Changes for page LT-22222-L -- LoRa I/O Controller User Manual

Last modified by Mengting Qiu on 2025/06/04 18:42

From 177.1 to 178.1 From 230.13 to 230.14

From version 178.1

edited by Dilisi S
on 2024/11/09 02:59

Change comment: Nov 8 edits - part 1

To version 230.13

edited by Xiaoling
on 2024/12/09 10:18

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Title

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--LT-22222-L -- LoRa IO Controller User Manual
++LT-22222-L -- LoRa I/O Controller User Manual

Author

@@ -1,1 +1,1 @@
--XWiki.pradeeka
++XWiki.Xiaoling

Content

@@ -21,10 +21,15 @@
  == 1.1 What is the LT-22222-L I/O Controller? ==
++
  (((
  (((
--The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs.
++{{info}}
++**This manual is also applicable to the LT-33222-L.**
++{{/info}}
++The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN end device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs.
++
  The LT-22222-L I/O Controller simplifies and enhances I/O monitoring and controlling. It is ideal for professional applications in wireless sensor networks, including irrigation systems, smart metering, smart cities, building automation, and more. These controllers are designed for easy, cost-effective deployment using LoRa wireless technology.
  )))
  )))
@@ -36,33 +36,36 @@
  (((
  You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
--* If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Network), you can select a network and register the LT-22222-L I/O controller with it.
++* If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Stack Community Network), you can select a network and register the LT-22222-L I/O controller with it.
  * If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
  * Setup your own private LoRaWAN network.
--
--> You can use a LoRaWAN gateway, such as the Dragino LG308, to expand or create LoRaWAN coverage in your area.
  )))
  (((
--[[image:1653295757274-912.png]]
--
++
++The network diagram below illustrates how the LT-22222-L communicates with a typical LoRaWAN network.
  )))
++(% class="wikigeneratedid" %)
++[[image:lorawan-nw.jpg||height="354" width="900"]]
++
++
  == 1.2 Specifications ==
++
  (% style="color:#037691" %)**Hardware System:**
  * STM32L072xxxx MCU
  * SX1276/78 Wireless Chip
  * Power Consumption:
--** Idle: 4mA@12v
++** Idle: 4mA@12V
  ** 20dB Transmit: 34mA@12V
  * Operating Temperature: -40 ~~ 85 Degrees, No Dew
  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
--* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
++* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50V, or 220V with optional external resistor)
  * 2 x Digital Output (NPN output. Max pull-up voltage 36V,450mA)
  * 2 x Relay Output (5A@250VAC / 30VDC)
  * 2 x 0~~20mA Analog Input (res:0.01mA)
@@ -72,8 +72,8 @@
  (% style="color:#037691" %)**LoRa Spec:**
  * Frequency Range:
--** Band 1 (HF): 862 ~~ 1020 Mhz
--** Band 2 (LF): 410 ~~ 528 Mhz
++** Band 1 (HF): 862 ~~ 1020 MHz
++** Band 2 (LF): 410 ~~ 528 MHz
  * 168 dB maximum link budget.
  * +20 dBm - 100 mW constant RF output vs.
  * +14 dBm high-efficiency PA.
@@ -90,9 +90,11 @@
  * Automatic RF Sense and CAD with ultra-fast AFC.
  * Packet engine up to 256 bytes with CRC.
++
  == 1.3 Features ==
--* LoRaWAN Class A & Class C protocol
++
++* LoRaWAN Class A & Class C modes
  * Optional Customized LoRa Protocol
  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
  * AT Commands to change parameters
@@ -100,24 +100,27 @@
  * Firmware upgradable via program port
  * Counting
++
  == 1.4 Applications ==
--* Smart Buildings & Home Automation
--* Logistics and Supply Chain Management
--* Smart Metering
--* Smart Agriculture
--* Smart Cities
--* Smart Factory
++* Smart buildings & home automation
++* Logistics and supply chain management
++* Smart metering
++* Smart agriculture
++* Smart cities
++* Smart factory
++
++
  == 1.5 Hardware Variants ==
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
--|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
--|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
++(% border="1" cellspacing="3" style="width:510px" %)
++|(% style="background-color:#4f81bd; color:white; width:94px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:172px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:244px" %)**Description**
++|(% style="width:94px" %)**LT-22222-L**|(% style="width:172px" %)(((
  (% style="text-align:center" %)
--[[image:image-20230424115112-1.png||height="106" width="58"]]
--)))|(% style="width:334px" %)(((
++[[image:lt33222-l.jpg||height="110" width="95"]]
++)))|(% style="width:256px" %)(((
  * 2 x Digital Input (Bi-direction)
  * 2 x Digital Output
  * 2 x Relay Output (5A@250VAC / 30VDC)
@@ -126,169 +126,208 @@
  * 1 x Counting Port
  )))
--= 2. Assembling the Device =
--== 2.1 What is included in the package? ==
++= 2. Assembling the device =
--The package includes the following items:
++== 2.1 Connecting the antenna ==
--* 1 x LT-22222-L I/O Controller
--* 1 x LoRaWAN antenna matched to the frequency of the LT-22222-L
--* 1 x bracket for DIN rail mounting
--* 1 x programming cable
--Attach the LoRaWAN antenna to the antenna connector, **ANT**,** **located on the top right side of the device, next to the upper terminal block. Secure the antenna by tightening it clockwise.
++Connect the LoRa antenna to the antenna connector, **ANT**,** **located on the top right side of the device, next to the upper screw terminal block. Secure the antenna by tightening it clockwise.
--== 2.2 Terminals ==
++{{warning}}
++**Warning! Do not power on the device without connecting the antenna.**
++{{/warning}}
--Upper screw terminal block (from left to right):
--(% style="width:634px" %)
--|=(% style="width: 295px;" %)Terminal|=(% style="width: 338px;" %)Function
--|(% style="width:295px" %)GND|(% style="width:338px" %)Ground
--|(% style="width:295px" %)VIN|(% style="width:338px" %)Input Voltage
--|(% style="width:295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2
--|(% style="width:295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1
--|(% style="width:295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2
--|(% style="width:295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1
++== 2.2 Terminals ==
--Lower screw terminal block (from left to right):
--(% style="width:633px" %)
--|=(% style="width: 296px;" %)Terminal|=(% style="width: 334px;" %)Function
--|(% style="width:296px" %)RO1-2|(% style="width:334px" %)Relay Output 1
--|(% style="width:296px" %)RO1-1|(% style="width:334px" %)Relay Output 1
--|(% style="width:296px" %)RO2-2|(% style="width:334px" %)Relay Output 2
--|(% style="width:296px" %)RO2-1|(% style="width:334px" %)Relay Output 2
--|(% style="width:296px" %)DI2+|(% style="width:334px" %)Digital Input 2
--|(% style="width:296px" %)DI2-|(% style="width:334px" %)Digital Input 2
--|(% style="width:296px" %)DI1+|(% style="width:334px" %)Digital Input 1
--|(% style="width:296px" %)DI1-|(% style="width:334px" %)Digital Input 1
--|(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
--|(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
++The  LT-22222-L has two screw terminal blocks. The upper screw treminal block has 6 screw terminals and the lower screw terminal block has 10 screw terminals.
--== 2.3 Powering the LT-22222-L ==
++**Upper screw terminal block (from left to right):**
--The LT-22222-L I/O Controller can be powered by a **7–24V DC** power source. Connect the power supply’s positive wire to the VIN and the negative wire to the GND screw terminals. The power indicator (PWR) LED will turn on when the device is properly powered.
++(% style="width:385px" %)
++|=(% style="width: 139px;" %)Screw Terminal|=(% style="width: 242px;" %)Function
++|(% style="width:139px" %)GND|(% style="width:242px" %)Ground
++|(% style="width:139px" %)VIN|(% style="width:242px" %)Input Voltage
++|(% style="width:139px" %)AVI2|(% style="width:242px" %)Analog Voltage Input Terminal 2
++|(% style="width:139px" %)AVI1|(% style="width:242px" %)Analog Voltage Input Terminal 1
++|(% style="width:139px" %)ACI2|(% style="width:242px" %)Analog Current Input Terminal 2
++|(% style="width:139px" %)ACI1|(% style="width:242px" %)Analog Current Input Terminal 1
++**Lower screw terminal block (from left to right):**
--[[image:1653297104069-180.png]]
++(% style="width:257px" %)
++|=(% style="width: 125px;" %)Screw Terminal|=(% style="width: 128px;" %)Function
++|(% style="width:125px" %)RO1-2|(% style="width:128px" %)Relay Output 1
++|(% style="width:125px" %)RO1-1|(% style="width:128px" %)Relay Output 1
++|(% style="width:125px" %)RO2-2|(% style="width:128px" %)Relay Output 2
++|(% style="width:125px" %)RO2-1|(% style="width:128px" %)Relay Output 2
++|(% style="width:125px" %)DI2+|(% style="width:128px" %)Digital Input 2
++|(% style="width:125px" %)DI2-|(% style="width:128px" %)Digital Input 2
++|(% style="width:125px" %)DI1+|(% style="width:128px" %)Digital Input 1
++|(% style="width:125px" %)DI1-|(% style="width:128px" %)Digital Input 1
++|(% style="width:125px" %)DO2|(% style="width:128px" %)Digital Output 2
++|(% style="width:125px" %)DO1|(% style="width:128px" %)Digital Output 1
++== 2.3 Connecting LT-22222-L to a Power Source ==
--= 3. Operation Mode =
++The LT-22222-L I/O Controller can be powered by a **7–24V DC** power source. Connect your power supply’s **positive wire** to the **VIN** and the **negative wire** to the **GND** screw terminals. The power indicator **(PWR) LED** will turn on when the device is properly powered.
--== 3.1 How does it work? ==
++{{warning}}
++**We recommend that you power on the LT-22222-L after adding its registration information to the LoRaWAN network server. Otherwise, the device will continuously send join-request messages to attempt to join a LoRaWAN network but will fail.**
++{{/warning}}
--By default, the LT-22222-L is configured to operate in LoRaWAN Class C mode. It supports OTAA (Over-the-Air Activation), the most secure method for activating a device with a LoRaWAN network server. The LT-22222-L comes with device registration information that allows you to register it with a LoRaWAN network, enabling the device to perform OTAA activation with the network server upon initial power-up and after any subsequent reboots.
--After powering on, the **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** the LoRaWAN network. The **TX LED** will be on for **5 seconds** after joining the network. When there is a **downlink** message from the server, the **RX LE**D will be on for **1 second**. When the device is sending an uplink message to the server, the **TX LED** will be on for **1 second**. See also LED status.
++[[image:1653297104069-180.png]]
--In case you can't set the root key and other identifiers in the network server and must use them from the server, you can use [[AT Commands>>||anchor="H4.UseATCommand"]] to configure them on the device.
--== 3.2 Registering with a LoRaWAN network server ==
++= 3. Registering LT-22222-L with a LoRaWAN Network Server =
--The network diagram below shows how the LT-22222-L is connected to a typical LoRaWAN network.
++The LT-22222-L supports both OTAA (Over-the-Air Activation) and ABP (Activation By Personalization) methods to activate with a LoRaWAN Network Server. However, OTAA is the most secure method for activating a device with a LoRaWAN Network Server. OTAA regenerates session keys upon initial registration and regenerates new session keys after any subsequent reboots. By default, the LT-22222-L is configured to operate in LoRaWAN Class C mode.
--[[image:image-20220523172350-1.png||height="266" width="864"]]
  === 3.2.1 Prerequisites ===
--Make sure you have the device registration information such as DevEUI, AppEUI, and AppKey with you. The registration information can be found on a sticker that can be found inside the package. Please keep the **registration information** sticker in a safe place for future reference.
++The LT-22222-L comes with device registration information such as DevEUI, AppEUI, and AppKey that allows you to register it with a LoRaWAN network. These registration information can be found on a sticker that can be found inside the package. Please keep the **registration information** sticker in a safe place for future reference.
  [[image:image-20230425173427-2.png||height="246" width="530"]]
++{{info}}
++In case you can't set the root key and other identifiers in the network server and must use them from the server, you can use [[AT Commands>>||anchor="H4.UseATCommand"]] to configure them on the device.
++{{/info}}
++
  The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
--=== 3.2.2 The Things Stack Sandbox (TTSS) ===
++=== 3.2.2 The Things Stack ===
--* Log in to your [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] account.
--* Create an application if you do not have one yet.
--* Register LT-22222-L with that application. Two registration options are available:
++This section guides you through how to register your LT-22222-L with The Things Stack Sandbox.
--(% class="wikigeneratedid" %)
--====   ====
++{{info}}
++The Things Stack Sandbox was formally called The Things Stack Community Edition.
++{{/info}}
--==== 3.2.2.1 Using the LoRaWAN Device Repository ====
--* Go to your application and click on the **Register end device** button.
++The network diagram below illustrates the connection between the LT-22222-L and The Things Stack, as well as how the data can be integrated with the ThingsEye IoT platform.
++
++
++[[image:dragino-lorawan-nw-lt-22222-n.jpg]]
++
++{{info}}
++ You can use a LoRaWAN gateway, such as the [[Dragino LPS8N>>https://www.dragino.com/products/lora-lorawan-gateway/item/200-lps8n.html]], to expand or create LoRaWAN coverage in your area.
++{{/info}}
++
++
++==== 3.2.2.1 Setting up ====
++
++* Sign up for a free account with [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] if you do not have one yet.
++* Log in to your The Things Stack Sandbox account.
++* Create an **application** with The Things Stack if you do not have one yet (E.g., dragino-docs).
++* Go to your application's page and click on the **End devices** in the left menu.
++* On the End devices page, click on **+ Register end device**. Two registration options are available:
++
++==== 3.2.2.2 Using the LoRaWAN Device Repository ====
++
  * On the **Register end device** page:
--** Select the option **Select the end device in the LoRaWAN Device Repository**.
--** Choose the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)**.
--** Select the **Frequency plan** that matches your device.
++** Select the option **Select the end device in the LoRaWAN Device Repository **under **Input method**.
++** Select the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)** from the respective dropdown lists.
++*** **End device brand**: Dragino Technology Co., Limited
++*** **Model**: LT22222-L I/O Controller
++*** **Hardware ver**: Unknown
++*** **Firmware ver**: 1.6.0
++*** **Profile (Region)**: Select the region that matches your device.
++** Select the **Frequency plan** that matches your device from the **Frequency plan** dropdown list.
--[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
++[[image:lt-22222-l-dev-repo-reg-p1.png]]
--* Page continued...
--** Enter the **AppEUI** in the **JoinEUI** field and click the **Confirm** button.
--** Enter the **DevEUI** in the **DevEUI** field.
--** Enter the **AppKey** in the **AppKey** field.
--** In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
++* Register end device page continued...
++** Enter the **AppEUI** in the **JoinEUI** field and click the **Confirm** button. If The Things Stack accepts the JoinEUI you provided, it will display the message 'This end device can be registered on the network'.
++** In the **DevEUI** field, enter the **DevEUI**.
++** In the **AppKey** field, enter the **AppKey.**
++** In the **End device ID** field, enter a unique name for your LT-22222-N within this application.
  ** Under **After registration**, select the **View registered end device** option.
--[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
++[[image:lt-22222-l-dev-repo-reg-p2.png]]
--(% class="wikigeneratedid" %)
--====   ====
--==== 3.2.2.2 Entering device information manually ====
++==== 3.2.2.3 Adding device manually ====
  * On the **Register end device** page:
--** Select the **Enter end device specifies manually** option as the input method.
--** Select the **Frequency plan** that matches your device.
--** Select the **LoRaWAN version**.
--** Select the **Regional Parameters version**.
--** Click **Show advanced activation, LoRaWAN class and cluster settings** link to expand the section.
--** Select **Over the air activation (OTAA)** option under the **Activation mode**
--** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities**.
++** Select the option **Enter end device specifies manually** under **Input method**.
++** Select the **Frequency plan** that matches your device from the **Frequency plan** dropdown list.
++** Select the **LoRaWAN version** as **LoRaWAN Specification 1.0.3**
++** Select the **Regional Parameters version** as** RP001 Regional Parameters 1.0.3 revision A**
++** Click **Show advanced activation, LoRaWAN class and cluster settings** link to expand the hidden section.
++** Select the option **Over the air activation (OTAA)** under the **Activation mode.**
++** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities** dropdown list.
--[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
++[[image:lt-22222-l-manually-p1.png]]
--* Page continued...
--** Enter **AppEUI** in the **JoinEUI** field and click the **Confirm** button.
--** Enter **DevEUI** in the **DevEUI** field.
--** Enter **AppKey** in the **AppKey** field.
--** In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
++* Register end device page continued...
++** Enter the **AppEUI** in the **JoinEUI** field and click the **Confirm** button. If The Things Stack accepts the JoinEUI you provided, it will display the message '//**This end device can be registered on the network**//'
++** In the **DevEUI** field, enter the **DevEUI**.
++** In the **AppKey** field, enter the **AppKey**.
++** In the **End device ID** field, enter a unique name for your LT-22222-N within this application.
  ** Under **After registration**, select the **View registered end device** option.
  ** Click the **Register end device** button.
--[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
++[[image:lt-22222-l-manually-p2.png]]
  You will be navigated to the **Device overview** page.
--[[image:lt-22222-device-overview.png||height="625" width="1000"]]
++[[image:lt-22222-device-overview.png]]
--==== 3.2.2.3 Joining ====
++==== 3.2.2.4 Joining ====
--Click on **Live data** in the left navigation. The Live data panel for your application will display.
++On the Device's page, click on **Live data** tab. The Live data panel for your device will display.
--Power on your LT-22222-L. It will begin joining The Things Stack LoRaWAN network server. In the **Live data** panel, you can see the **join-request** and **join-accept** messages exchanged between the device and the network server. Once successfully joined, the device will send its first **uplink data message** to the application it belongs to (in this example, **dragino-docs**).
++Now power on your LT-22222-L. The **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** The Things Stack network server. The **TX LED** will be on for **5 seconds** after joining the network. In the **Live data** panel, you can see the **join-request** and **join-accept** messages exchanged between the device and the network server.
--[[image:lt-22222-join-network.png||height="625" width="1000"]]
++[[image:lt-22222-l-joining.png]]
--By default, you will receive an uplink data message every 10 minutes.
++==== 3.2.2.5 Uplinks ====
++
++
++After successfully joining, the device will send its first **uplink data message** to the application it belongs to (in this example, **dragino-docs**). When the LT-22222-L sends an uplink message to the server, the **TX LED** turns on for **1 second**. By default, you will receive an uplink data message from the device every 10 minutes.
++
  Click on one of a **Forward uplink data messages **to see its payload content. The payload content is encapsulated within the decode_payload {} JSON object.
  [[image:lt-22222-ul-payload-decoded.png]]
--If you can't see the decoded payload, it is because you haven't added the uplink formatter code. To add the uplink formatter code, select **End devices** > **LT-22222-L** > **Payload formatters** > **Uplink**. Then  select **Use Device repository formatters** for the **Formatter type** dropdown. Click the **Save changes** button to apply the changes.
++If you can't see the decoded payload, it is because you haven't added the uplink formatter code. To add the uplink formatter code, select **Applications > your application > End devices** > **your  end device** > **Payload formatters** > **Uplink**. Then  select **Use Device repository formatters** for the **Formatter type** dropdown. Click the **Save changes** button to apply the changes.
--[[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]]
++{{info}}
++The Things Stack provides two levels of payload formatters: application level and device level. The device-level payload formatters **override **the application-level payload formatters.
++{{/info}}
++[[image:lt-22222-ul-payload-fmt.png]]
--== 3.3 Work Modes and their Uplink Payload formats ==
++We also have a payload formatter that resolves some decoding issues present in the Device Repository formatter. You can add it under the Custom JavaScript formatter. It can be found [[here>>https://github.com/dragino/dragino-end-node-decoder/blob/main/LT22222-L/v1.6_decoder_ttn%20.txt]]:
--The LT-22222-L has 5 **work modes**. It also has an interrupt/trigger mode for different types of applications that can be used together with any work mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
++(% class="wikigeneratedid" %)
++[[image:lt-22222-l-js-custom-payload-formatter.png]]
++
++==== 3.2.2.6 Downlinks ====
++
++When the LT-22222-L receives a downlink message from the server, the **RX LED** turns on for **1 second**.
++
++
++== 3.3 Working Modes and Uplink Payload formats ==
++
++
++The LT-22222-L has 5 **working modes**. It also has an interrupt/trigger mode for different types of applications that can be used together with any working mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
++
  * (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2ACI + 2AVI + DI + DO + RO
  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
@@ -301,16 +301,19 @@
  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
++The uplink messages are sent over LoRaWAN FPort=2. By default, an uplink message is sent every 10 minutes.
--The uplink messages are sent over LoRaWAN FPort 2. By default, an uplink message is sent every 10 minutes.
--
  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
  (((
  This is the default mode.
--The uplink payload is 11 bytes long. (% style="display:none" wfd-invisible="true" %)
++The uplink payload is 11 bytes long.
++(% style="color:red" %)**Note:The maximum count depends on the bytes number of bytes.
++The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
++It starts counting again when it reaches the maximum value.**(% style="display:none" wfd-invisible="true" %)
++
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
  |Value|(((
@@ -367,9 +367,13 @@
  * [1] DO2 channel output is LOW, and the DO2 LED is ON.
  * [0] DO1 channel output state:
  ** DO1 is FLOATING when there is no load between DO1 and V+.
--** DO1 is HIGH when there is a load between DO1 and V+.
++** DO1 is HIGH and there is a load between DO1 and V+.
  ** DO1 LED is OFF in both cases.
++Reserve = 0
++
++MOD = 1
++
  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
@@ -380,6 +380,10 @@
  (((
  The uplink payload is 11 bytes long.
++(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
++The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
++It starts counting again when it reaches the maximum value.**
++
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
  |Value|COUNT1|COUNT2 |DIDORO*|(((
@@ -444,6 +444,9 @@
  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
++(% style="color:red" %)**Note: The maximum count depends on the bytes it is.
++The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
++It starts counting again when it reaches the maximum value.**
  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
@@ -494,7 +494,11 @@
  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
++(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
++The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
++It starts counting again when it reaches the maximum value.**
++
  (((
  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
  )))
@@ -541,25 +541,29 @@
  )))
  (((
--Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
++AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
  )))
  (((
  **In addition to that,  below are the commands for AVI1 Counting:**
--(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**           (Sets AVI Count to 60)**
++(% style="color:blue" %)**AT+SETCNT=3,60 **(%%)**(Sets AVI1 Count to 60)**
--(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**       (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
++(% style="color:blue" %)**AT+VOLMAX=20000 **(%%)**(If the AVI1 voltage is higher than VOLMAX (20000mV =20V), the counter increases by 1)**
--(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**    (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
++(% style="color:blue" %)**AT+VOLMAX=20000,0 **(%%)**(If the AVI1 voltage is lower than VOLMAX (20000mV =20V), counter increases by 1)**
--(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**    (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
++(% style="color:blue" %)**AT+VOLMAX=20000,1 **(%%)**(If the AVI1 voltage is higher than VOLMAX (20000mV =20V), counter increases by 1)**
  )))
  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
++(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
++The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
++It starts counting again when it reaches the maximum value.**
++
  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
@@ -610,23 +610,28 @@
  )))
--=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
++=== 3.3.6 AT+ADDMOD~=6 (Trigger Mode, Optional) ===
--(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate together with other modes.**
++(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate __alongside__ with other modes.**
--For example, if you configured the following commands:
++For example, if you configure the following commands:
--* **AT+MOD=1 **            **~-~->**   The normal working mode
--* **AT+ADDMOD6=1**   **~-~->**   Enable trigger mode
++* **AT+MOD=1 **            **~-~->**   Sets the default working mode
++* **AT+ADDMOD6=1**   **~-~->**   Enables trigger mode
--The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. LT will send uplink packets in two cases:
++The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. It will send uplink packets in two cases:
--1. Periodically uplink (Based on TDC time). The payload is the same as in normal mode (MOD=1 for the commands above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.
--1. Trigger uplink when the trigger condition is met. LT will send two packets in this case. The first uplink uses the payload specified in trigger mode (MOD=6). The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**CONFIRMED uplinks.**
++1. Periodic uplink: Based on TDC time. The payload is the same as in normal mode (MOD=1 as set above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.
++1. (((
++Trigger uplink: sent when a trigger condition is met. In this case, LT will send two packets
--(% style="color:#037691" %)**AT Command to set Trigger Condition**:
++* The first uplink uses the payload specified in trigger mode (MOD=6).
++* The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**confirmed uplinks.**
++)))
++(% style="color:#037691" %)**AT Commands to set Trigger Conditions**:
++
  (% style="color:#4f81bd" %)**Trigger based on voltage**:
  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
@@ -634,9 +634,9 @@
  **Example:**
--AT+AVLIM=3000,6000,0,2000   (triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V)
++AT+AVLIM=3000,6000,0,2000 (triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V)
--AT+AVLIM=5000,0,0,0   (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
++AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
  (% style="color:#4f81bd" %)**Trigger based on current**:
@@ -646,7 +646,7 @@
  **Example:**
--AT+ACLIM=10000,15000,0,0   (triggers an uplink if ACI1 voltage is lower than 10mA or higher than 15mA)
++AT+ACLIM=10000,15000,0,0 (triggers an uplink if AC1 current is lower than 10mA or higher than 15mA)
  (% style="color:#4f81bd" %)**Trigger based on DI status**:
@@ -663,9 +663,9 @@
  (% style="color:#037691" %)**LoRaWAN Downlink Commands for Setting the Trigger Conditions:**
--Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
++**Type Code**: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
--Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
++**Format**: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
    AA: Type Code for this downlink Command:
@@ -694,7 +694,7 @@
  MOD6 Payload: total of 11 bytes
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
++(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
  |(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
  |Value|(((
  TRI_A FLAG
@@ -708,7 +708,7 @@
  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Totally 1 byte as below
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
++(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
  |**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
  |(((
  AV1_LOW
@@ -732,12 +732,12 @@
  **Example:**
--10100000: Means the system has configure to use the trigger: AV1_LOW and AV2_LOW
++10100000: This means the system is configured to use the triggers AV1_LOW and AV2_LOW.
  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1 byte as below
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
++(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
  |**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
  |(((
  AV1_LOW
@@ -761,31 +761,31 @@
  **Example:**
--10000000: Means this uplink is triggered by AV1_LOW. That means the voltage is too low.
++10000000: The uplink is triggered by AV1_LOW, indicating that the voltage is too low.
  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
--|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
--|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
++(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
++|(% style="width:50px" %)**bit 7**|(% style="width:50px" %)**bit 6**|(% style="width:50px" %)**bit 5**|(% style="width:50px" %)**bit 4**|(% style="width:90px" %)**bit 3**|(% style="width:80px" %)**bit 2**|(% style="width:90px" %)**bit 1**|(% style="width:95px" %)**bit 0**
++|(% style="width:49px" %)N/A|(% style="width:53px" %)N/A|(% style="width:53px" %)N/A|(% style="width:55px" %)N/A|(% style="width:99px" %)DI2_STATUS|(% style="width:83px" %)DI2_FLAG|(% style="width:98px" %)DI1_STATUS|(% style="width:85px" %)DI1_FLAG
--* Each bits shows which status has been triggered on this uplink.
++* Each bit shows which status has been triggered on this uplink.
  **Example:**
--00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
++00000111: This means both DI1 and DI2 triggers are enabled, and this packet is trigger by DI1.
--00000101: Means both DI1 and DI2 trigger are enabled.
++00000101: This means both DI1 and DI2 triggers are enabled.
--(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
++(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enabled. 0x00: MOD6 is disabled.
--Downlink command to poll MOD6 status:
++Downlink command to poll/request MOD6 status:
  **AB 06**
--When device got this command, it will send the MOD6 payload.
++When device receives this command, it will send the MOD6 payload.
  === 3.3.7 Payload Decoder ===
@@ -797,278 +797,558 @@
  )))
--== 3.4 Configure LT via AT Commands or Downlinks ==
++== 3.4 Configure LT-22222-L via AT Commands or Downlinks ==
  (((
--User can configure LT I/O Controller via AT Commands or LoRaWAN Downlinks.
++You can configure LT-22222-L I/O Controller via AT Commands or LoRaWAN Downlinks.
  )))
  (((
  (((
--There are two kinds of Commands:
++There are two tytes of commands:
  )))
  )))
--* (% style="color:blue" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
++* (% style="color:blue" %)**Common commands**(%%):
--* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
++* (% style="color:blue" %)**Sensor-related commands**(%%):
--=== 3.4.1 Common Commands ===
++=== 3.4.1 Common commands ===
++
  (((
--These commands should be available for all Dragino sensors, such as changing the uplink interval or resetting the device. For firmware v1.5.4, you can find the supported common commands under [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]].
++These are available for each sensors and include actions such as changing the uplink interval or resetting the device. For firmware v1.5.4, you can find the supported common commands under: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]s.
++
++
  )))
++=== 3.4.2 Sensor-related commands ===
--=== 3.4.2 Sensor related commands ===
--==== 3.4.2.1 Set Transmit Interval ====
++These commands are specially designed for the LT-22222-L. Commands can be sent to the device using options such as an AT command or a LoRaWAN downlink payload.
++
++==== 3.4.2.1 Set Transmit/Uplink Interval ====
++
++
  Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes.
--* (% style="color:#037691" %)**AT command:**
++(% style="color:#037691" %)**AT command**
--(% style="color:blue" %)**AT+TDC=N**
++(% border="2" style="width:500px" %)
++|**Command**|AT+TDC=<time>
++|**Parameters**|**time **: uplink interval in milliseconds
++|**Get**|AT+TDC=?
++|**Response**|(((
++current uplink interval
--where N is the time in milliseconds.
++OK
++)))
++|**Set**|AT+TDC=<time>
++|**Response**|OK
++|**Example**|(((
++AT+TDC=30000
--**Example: **AT+TDC=30000. This will set the uplink interval to 30 seconds
++Sets the uplink interval to **30 seconds** (30000 milliseconds)
++)))
++(% style="color:#037691" %)**Downlink payload**
--* (% style="color:#037691" %)**Downlink payload (prefix 0x01):**
++(% border="2" style="width:500px" %)
++|**Payload**|(((
++<prefix><time>
++)))
++|**Parameters**|(((
++**prefix** : 0x01
--(% style="color:blue" %)**0x01 aa bb cc  **(%%)**   ~/~/ Same as AT+TDC=0x(aa bb cc)**
++**time** : uplink interval in **seconds**, represented by **3  bytes** in **hexadecimal**.
++)))
++|**Example**|(((
++01 **00 00 1E**
++Sets the uplink interval to **30 seconds**
++Conversion: 30 (dec) = 00 00 1E (hex)
--==== 3.4.2.2 Set the Work Mode (AT+MOD) ====
++See [[RapidTables>>https://www.rapidtables.com/convert/number/decimal-to-hex.html?x=30]]
++[[image:Screenshot 2024-11-23 at 18.27.11.png]]
++)))
--Sets the work mode.
++==== 3.4.2.2 Set the Working Mode (AT+MOD) ====
--* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
--Where N is the work mode.
++Sets the working mode.
--**Example**: AT+MOD=2. This will set the work mode to Double DI counting mode.
++(% style="color:#037691" %)**AT command**
++(% border="2" style="width:500px" %)
++|(% style="width:97px" %)**Command**|(% style="width:413px" %)AT+MOD=<working_mode>
++|(% style="width:97px" %)**Parameters**|(% style="width:413px" %)(((
++**working_mode** :
--* (% style="color:#037691" %)**Downlink payload (prefix 0x0A):**
++1 = (Default mode/factory set):  2ACI + 2AVI + DI + DO + RO
--(% style="color:blue" %)**0x0A aa  **(%%)**  ** ~/~/ Same as AT+MOD=aa
++2 = Double DI Counting + DO + RO
++3 = Single DI Counting + 2 x ACI + DO + RO
++4 = Single DI Counting + 1 x Voltage Counting + DO + RO
--==== 3.4.2.3 Poll an uplink ====
++5 = Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
++6 = Trigger Mode, Optional, used together with MOD1 ~~ MOD5
++)))
++|(% style="width:97px" %)**Get**|(% style="width:413px" %)AT+MOD=?
++|(% style="width:97px" %)**Response**|(% style="width:413px" %)(((
++Current working mode
--Asks the device to send an uplink.
++OK
++)))
++|(% style="width:97px" %)**Set**|(% style="width:413px" %)AT+MOD=<working_mode>
++|(% style="width:97px" %)**Response**|(% style="width:413px" %)(((
++Attention:Take effect after ATZ
--* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
++OK
++)))
++|(% style="width:97px" %)**Example**|(% style="width:413px" %)(((
++AT+MOD=2
--* (% style="color:#037691" %)**Downlink payload (prefix 0x08):**
++Sets the device to working mode 2 (Double DI Counting + DO + RO)
++)))
--(% style="color:blue" %)**0x08 FF  **(%%)**   **~/~/ Poll an uplink
++(% class="wikigeneratedid" %)
++(% style="color:#037691" %)**Downlink payload**
--**Example**: 0x08FF, ask device to send an Uplink
++(% border="2" style="width:500px" %)
++|(% style="width:98px" %)**Payload**|(% style="width:400px" %)<prefix><working_mode>
++|(% style="width:98px" %)**Parameters**|(% style="width:400px" %)(((
++**prefix** : 0x0A
++**working_mode** : Working mode, represented by 1 byte in hexadecimal.
++)))
++|(% style="width:98px" %)**Example**|(% style="width:400px" %)(((
++0A **02**
++Sets the device to working mode 2 (Double DI Counting + DO + RO)
++)))
++==== 3.4.2.3 Request an uplink from the device ====
++
++
++Requests an uplink from LT-22222-L. The content of the uplink payload varies based on the device's current working mode.
++
++(% style="color:#037691" %)**AT command**
++
++There is no AT Command available for this feature.
++
++(% style="color:#037691" %)**Downlink payload**
++
++(% border="2" style="width:500px" %)
++|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix>FF
++|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)**prefix** : 0x08
++|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
++08 **FF**
++
++Requests an uplink from LT-22222-L.
++)))
++
  ==== 3.4.2.4 Enable/Disable Trigger Mode ====
--Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
++Enable or disable the trigger mode for the current working mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
++(% style="color:#037691" %)**AT Command**
--(% style="color:red" %)**1:** (%%)Enable the trigger mode
++(% border="2" style="width:500px" %)
++|(% style="width:95px" %)**Command**|(% style="width:403px" %)AT+ADDMOD6=<enable/disable trigger_mode>
++|(% style="width:95px" %)**Response**|(% style="width:403px" %)
++|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)(((
++**enable/disable trigger_mode** :
--(% style="color:red" %)**0: **(%%)Disable the trigger mode
++1 = enable trigger mode
++0 = disable trigger mode
++)))
++|(% style="width:95px" %)**Example**|(% style="width:403px" %)(((
++AT+ADDMOD6=1
--* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
++Enable trigger mode for the current working mode
++)))
--(% style="color:blue" %)**0x0A 06 aa    **(%%)    ~/~/ Same as AT+ADDMOD6=aa
++(% style="color:#037691" %)**Downlink payload**
++(% border="2" style="width:500px" %)
++|(% style="width:97px" %)**Payload**|(% style="width:401px" %)<prefix><enable/disable trigger_mode>
++|(% style="width:97px" %)**Parameters**|(% style="width:401px" %)(((
++**prefix** : 0x0A 06 (two bytes in hexadecimal)
++**enable/disable trigger_mode** : enable (1) or disable (0), represented by 1 byte in hexadecimal.
++)))
++|(% style="width:97px" %)**Example**|(% style="width:401px" %)(((
++0A 06 **01**
--==== 3.4.2.5 Poll trigger settings ====
++Enable trigger mode for the current working mode
++)))
++==== 3.4.2.5 Request trigger settings ====
--Polls the trigger settings
--* (% style="color:#037691" %)**AT Command:**
++Requests the trigger settings.
--There is no AT Command for this feature.
++(% style="color:#037691" %)**AT Command:**
--* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
++There is no AT Command available for this feature.
--(% style="color:blue" %)**0xAB 06  **  (%%)   ~/~/ Poll the trigger settings. Device will uplink trigger settings once receive this command
++(% style="color:#037691" %)**Downlink Payload**
++(% border="2" style="width:500px" %)
++|(% style="width:95px" %)**Payload**|(% style="width:403px" %)<prefix>
++|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)**prefix **: AB 06 (two bytes in hexadecimal)
++|(% style="width:95px" %)**Example**|(% style="width:403px" %)(((
++AB 06
++Uplinks the trigger settings.
++)))
--==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
++==== 3.4.2.6 Enable/Disable DI1/DI2/DI3 as a trigger ====
--Enable or Disable DI1/DI2/DI2 as trigger,
++Enable or disable DI1/DI2/DI3 as a trigger.
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
++(% style="color:#037691" %)**AT Command**
--**Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
++(% border="2" style="width:500px" %)
++|(% style="width:98px" %)**Command**|(% style="width:400px" %)AT+DTRI=<DI1_trigger>,<DI2_trigger>
++|(% style="width:98px" %)**Response**|(% style="width:400px" %)
++|(% style="width:98px" %)**Parameters**|(% style="width:400px" %)(((
++**DI1_trigger:**
++1 = enable DI1 trigger
--* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
++0 = disable DI1 trigger
--(% style="color:blue" %)**0xAA 02 aa bb   **  (%%) ~/~/ Same as AT+DTRI=aa,bb
++**DI2 _trigger**
++1 = enable DI2 trigger
++0 = disable DI2 trigger
++)))
++|(% style="width:98px" %)**Example**|(% style="width:400px" %)(((
++AT+DTRI=1,0
--==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
++Enable DI1 trigger, disable DI2 trigger
++)))
++(% class="wikigeneratedid" %)
++(% style="color:#037691" %)**Downlink Payload**
--Set DI1 or DI3(for LT-33222-L) trigger.
++(% border="2" style="width:500px" %)
++|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix><DI1_trigger><DI2_trigger>
++|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
++**prefix :** AA 02 (two bytes in hexadecimal)
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
++**DI1_trigger:**
--(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
++1 = enable DI1 trigger, represented by 1 byte in hexadecimal.
--(% style="color:red" %)**b :** (%%)delay timing.
++0 = disable DI1 trigger, represented by 1 byte in hexadecimal.
--**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
++**DI2 _trigger**
++1 = enable DI2 trigger, represented by 1 byte in hexadecimal.
--* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
++0 = disable DI2 trigger, represented by 1 byte in hexadecimal.
++)))
++|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
++AA 02 **01 00**
--(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%)    ~/~/ same as AT+TRIG1=aa,0x(bb cc)
++Enable DI1 trigger, disable DI2 trigger
++)))
++==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ====
--==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
++Sets DI1 or DI3 (for LT-33222-L) as a trigger.
++(% style="color:#037691" %)**AT Command**
--Sets DI2 trigger.
++(% border="2" style="width:500px" %)
++|(% style="width:101px" %)**Command**|(% style="width:397px" %)AT+TRIG1=<interrupt_mode>,<minimum_signal_duration>
++|(% style="width:101px" %)**Response**|(% style="width:397px" %)
++|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
++**interrupt_mode** :  0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
++**minimum_signal_duration** : the **minimum signal duration** required for the DI1 port to recognize a valid trigger.
++)))
++|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
++AT+TRIG1=1,100
--(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
++Set the DI1 port to trigger on a rising edge; the valid signal duration is 100 ms.
++)))
--(% style="color:red" %)**b :** (%%)delay timing.
++(% class="wikigeneratedid" %)
++(% style="color:#037691" %)**Downlink Payload**
--**Example:** AT+TRIG2=0,100 (set DI1 port to trigger on low level, valid signal is 100ms )
++(% border="2" style="width:500px" %)
++|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix><interrupt_mode><minimum_signal_duration>
++|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
++**prefix** : 09 01 (hexadecimal)
++**interrupt_mode** : 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1), represented by 1 byte in hexadecimal.
--* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
++**minimum_signal_duration** : in milliseconds, represented two bytes in hexadecimal.
++)))
++|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
++09 01 **01 00 64**
--(% style="color:blue" %)**0x09 02 aa bb cc   **  (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
++Set the DI1 port to trigger on a rising edge; the valid signal duration is 100 ms.
++)))
++==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ====
--==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
++Sets DI2 as a trigger.
++(% style="color:#037691" %)**AT Command**
--Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++(% border="2" style="width:500px" %)
++|(% style="width:94px" %)**Command**|(% style="width:404px" %)AT+TRIG2=<interrupt_mode>,<minimum_signal_duration>
++|(% style="width:94px" %)**Response**|(% style="width:404px" %)
++|(% style="width:94px" %)**Parameters**|(% style="width:404px" %)(((
++**interrupt_mode **:  0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
++**minimum_signal_duration** : the **minimum signal duration** required for the DI1 port to recognize a valid trigger.
++)))
++|(% style="width:94px" %)**Example**|(% style="width:404px" %)(((
++AT+TRIG2=0,100
--* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
++Set the DI1 port to trigger on a falling edge; the valid signal duration is 100 ms.
++)))
--(% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%)  ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++(% style="color:#037691" %)**Downlink Payload**
++(% border="2" style="width:500px" %)
++|(% style="width:96px" %)**Payload**|(% style="width:402px" %)<prefix><interrupt_mode><minimum_signal_duration>
++|(% style="width:96px" %)**Parameters**|(% style="width:402px" %)(((
++**prefix** : 09 02 (hexadecimal)
++**interrupt_mode **: 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1), represented by 1 byte in hexadecimal.
++**minimum_signal_duration** : in milliseconds, represented two bytes in hexadecimal
++)))
++|(% style="width:96px" %)**Example**|(% style="width:402px" %)09 02 **00 00 64**
++
++==== 3.4.2.9 Trigger – Set AC (current) as a trigger ====
++
++
++Sets the current trigger based on the AC port. See also [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++
++(% style="color:#037691" %)**AT Command**
++
++(% border="2" style="width:500px" %)
++|(% style="width:104px" %)**Command**|(% style="width:394px" %)(((
++AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
++)))
++|(% style="width:104px" %)**Response**|(% style="width:394px" %)
++|(% style="width:104px" %)**Parameters**|(% style="width:394px" %)(((
++**AC1_LIMIT_LOW** : lower limit of the current to be checked
++
++**AC1_LIMIT_HIGH **: higher limit of the current to be checked
++
++**AC2_LIMIT_HIGH **: lower limit of the current to be checked
++
++**AC2_LIMIT_LOW** : higher limit of the current to be checked
++)))
++|(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
++AT+ACLIM=10000,15000,0,0
++
++Triggers an uplink if AC1 current is lower than 10mA or higher than 15mA
++)))
++|(% style="width:104px" %)Note|(% style="width:394px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++
++(% style="color:#037691" %)**Downlink Payload**
++
++(% border="2" style="width:500px" %)
++|(% style="width:104px" %)**Payload**|(% style="width:394px" %)<prefix><AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
++|(% style="width:104px" %)**Parameters**|(% style="width:394px" %)(((
++**prefix **: AA 01 (hexadecimal)
++
++**AC1_LIMIT_LOW** : lower limit of the current to be checked, two bytes in hexadecimal
++
++**AC1_LIMIT_HIGH **: higher limit of the current to be checked, two bytes in hexadecimal
++
++**AC2_LIMIT_HIGH **: lower limit of the current to be checked, two bytes in hexadecimal
++
++**AC2_LIMIT_LOW** : higher limit of the current to be checked, two bytes in hexadecimal
++)))
++|(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
++AA 01 **27** **10 3A** **98** 00 00 00 00
++
++Triggers an uplink if AC1 current is lower than 10mA or higher than 15mA. Set all values to zero for AC2 limits because we are only checking AC1 limits.
++)))
++|(% style="width:104px" %)Note|(% style="width:394px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++
  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
--Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++Sets the current trigger based on the AV port. See also [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
--* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)**        See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
++(% style="color:#037691" %)**AT Command**
--* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
++(% border="2" style="width:500px" %)
++|(% style="width:104px" %)**Command**|(% style="width:387px" %)AT+AVLIM= AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
++|(% style="width:104px" %)**Response**|(% style="width:387px" %)
++|(% style="width:104px" %)**Parameters**|(% style="width:387px" %)(((
++**AC1_LIMIT_LOW** : lower limit of the current to be checked
--(% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++**AC1_LIMIT_HIGH **: higher limit of the current to be checked
++**AC2_LIMIT_HIGH **: lower limit of the current to be checked
++**AC2_LIMIT_LOW** : higher limit of the current to be checked
++)))
++|(% style="width:104px" %)**Example**|(% style="width:387px" %)(((
++AT+AVLIM=3000,6000,0,2000
--==== 3.4.2.11 Trigger – Set minimum interval ====
++Triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V
++)))
++|(% style="width:104px" %)**Note**|(% style="width:387px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++(% style="color:#037691" %)**Downlink Payload**
--Sets AV and AC trigger minimum interval.  Device won't response to the second trigger within this set time after the first trigger.
++(% border="2" style="width:500px" %)
++|(% style="width:104px" %)**Payload**|(% style="width:394px" %)<prefix><AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
++|(% style="width:104px" %)**Parameters**|(% style="width:394px" %)(((
++**prefix **: AA 00 (hexadecimal)
--* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
++**AV1_LIMIT_LOW** : lower limit of the voltage to be checked, two bytes in hexadecimal
--* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
++**AV1_LIMIT_HIGH **: higher limit of the voltage to be checked, two bytes in hexadecimal
--(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
++**AV2_LIMIT_HIGH **: lower limit of the voltage to be checked, two bytes in hexadecimal
--(((
--(% style="color:red" %)**Note: ATDC setting must be more than 5min**
++**AV2_LIMIT_LOW** : higher limit of the voltage to be checked, two bytes in hexadecimal
  )))
++|(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
++AA 00 **0B B8 17 70 00 00 07 D0**
++Triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V.
++)))
++|(% style="width:104px" %)**Note**|(% style="width:394px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++==== 3.4.2.11 Trigger – Set minimum interval ====
++
++Sets the AV and AC trigger minimum interval. The device won't respond to a second trigger within this set time after the first trigger.
++
++(% style="color:#037691" %)**AT Command**
++
++(% border="2" style="width:500px" %)
++|(% style="width:113px" %)**Command**|(% style="width:385px" %)AT+ATDC=<time>
++|(% style="width:113px" %)**Response**|(% style="width:385px" %)
++|(% style="width:113px" %)**Parameters**|(% style="width:385px" %)(((
++**time** : in minutes
++)))
++|(% style="width:113px" %)**Example**|(% style="width:385px" %)(((
++AT+ATDC=5
++
++The device won't respond to the second trigger within 5 minutes after the first trigger.
++)))
++|(% style="width:113px" %)Note|(% style="width:385px" %)(% style="color:red" %)**The time must be greater than 5 minutes.**
++
++(% style="color:#037691" %)**Downlink Payload**
++
++(% border="2" style="width:500px" %)
++|(% style="width:112px" %)**Payload**|(% style="width:386px" %)<prefix><time>
++|(% style="width:112px" %)**Parameters**|(% style="width:386px" %)(((
++**prefix** : AC (hexadecimal)
++
++**time **: in minutes (two bytes in hexadecimal)
++)))
++|(% style="width:112px" %)**Example**|(% style="width:386px" %)(((
++AC **00 05**
++
++The device won't respond to the second trigger within 5 minutes after the first trigger.
++)))
++|(% style="width:112px" %)Note|(% style="width:386px" %)(% style="color:red" %)**The time must be greater than 5 minutes.**
++
  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
--* (% style="color:#037691" %)**AT Command**
++Controls the digital outputs DO1, DO2, and DO3
--There is no AT Command to control Digital Output
++(% style="color:#037691" %)**AT Command**
++There is no AT Command to control the Digital Output.
--* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
--(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
++(% style="color:#037691" %)**Downlink Payload**
--(((
--If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
++(% border="2" style="width:500px" %)
++|(% style="width:115px" %)**Payload**|(% style="width:383px" %)<prefix><DO1><DO2><DO3>
++|(% style="width:115px" %)**Parameters**|(% style="width:383px" %)(((
++**prefix** : 02 (hexadecimal)
++
++**DOI** : 01: Low,  00: High, 11: No action (1 byte in hex)
++
++**DO2** : 01: Low,  00: High, 11: No action (1 byte in hex)
++
++**DO3 **: 01: Low,  00: High, 11: No action (1 byte in hex)
  )))
++|(% style="width:115px" %)**Examples**|(% style="width:383px" %)(((
++02 **01 00 01**
++If there is a load between V+ and DOx, it means DO1 is set to low, DO2 is set to high, and DO3 is set to low.
++
++**More examples:**
++
  (((
--01: Low,  00: High ,  11: No action
++01: Low,  00: High,  11: No action
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
--|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
--|02  01  00  11|Low|High|No Action
--|02  00  11  01|High|No Action|Low
--|02  11  01  00|No Action|Low|High
++(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:383px" %)
++|(% style="background-color:#4f81bd; color:white; width:126px" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white; width:85px" %)**DO1**|(% style="background-color:#4f81bd; color:white; width:86px" %)**DO2**|(% style="background-color:#4f81bd; color:white; width:86px" %)**DO3**
++|(% style="width:126px" %)02  01  00  11|(% style="width:85px" %)Low|(% style="width:86px" %)High|(% style="width:86px" %)No Action
++|(% style="width:126px" %)02  00  11  01|(% style="width:85px" %)High|(% style="width:86px" %)No Action|(% style="width:86px" %)Low
++|(% style="width:126px" %)02  11  01  00|(% style="width:85px" %)No Action|(% style="width:86px" %)Low|(% style="width:86px" %)High
  )))
  (((
--(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
++(((
++(% style="color:red" %)**Note: For the LT-22222-L, there is no DO3; the last byte can have any value.**
  )))
  (((
--(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
++(% style="color:red" %)**The device will upload a packet if downlink code executes successfully.**
  )))
++)))
++)))
--
--
  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
  * (% style="color:#037691" %)**AT Command**
--There is no AT Command to control Digital Output
++There is no AT command to control the digital output.
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
--(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
++(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Sets DO1/DO2/DO3 outputs with time control
--
  This is to control the digital output time of DO pin. Include four bytes:
--(% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
++(% style="color:#4f81bd" %)**First byte**(%%)**:** Type code (0xA9)
--(% style="color:#4f81bd" %)**Second Byte**(%%): Inverter Mode
++(% style="color:#4f81bd" %)**Second byte**(%%): Inverter Mode
--01: DO pins will change back to original state after timeout.
++**01:** DO pins revert to their original state after the timeout.
++**00:** DO pins switch to an inverted state after the timeout.
--00: DO pins will change to an inverter state after timeout
++(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Port status:
--(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
--
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
  |(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
  |0x01|DO1 set to low
@@ -1075,7 +1075,7 @@
  |0x00|DO1 set to high
  |0x11|DO1 NO Action
--(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
++(% style="color:#4f81bd" %)**Fourth byte**(%%): Control Method and Port status:
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
  |(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
@@ -1083,7 +1083,7 @@
  |0x00|DO2 set to high
  |0x11|DO2 NO Action
--(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
++(% style="color:#4f81bd" %)**Fifth byte**(%%): Control Method and Port status:
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
  |(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
@@ -1091,16 +1091,16 @@
  |0x00|DO3 set to high
  |0x11|DO3 NO Action
--(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
++(% style="color:#4f81bd" %)**Sixth, Seventh, Eighth, and Ninth bytes**:(%%) Latching time (Unit: ms)
  (% style="color:red" %)**Note: **
--   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
++   Since firmware v1.6.0, the latch time support 4 bytes and 2 bytes
--   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
++   Before firmware v1.6.0, the latch time only supported 2 bytes.
--(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
++(% style="color:red" %)**The device will uplink a packet if the downlink code executes successfully.**
  **Example payload:**
@@ -1107,41 +1107,40 @@
  **~1. A9 01 01 01 01 07 D0**
--DO1 pin & DO2 pin & DO3 pin will be set to Low, last 2 seconds, then change back to original state.
++DO1 pin, DO2 pin, and DO3 pin will be set to low, last for 2 seconds, and then revert to their original state.
  **2. A9 01 00 01 11 07 D0**
--DO1 pin set high, DO2 pin set low, DO3 pin no action, last 2 seconds, then change back to original state.
++DO1 pin is set to high, DO2 pin is set to low, and DO3 pin takes no action. This lasts for 2 seconds and then reverts to the original state.
  **3. A9 00 00 00 00 07 D0**
--DO1 pin & DO2 pin & DO3 pin will be set to high, last 2 seconds, then both change to low.
++DO1 pin, DO2 pin, and DO3 pin will be set to high, last for 2 seconds, and then all change to low.
  **4. A9 00 11 01 00 07 D0**
--DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
++DO1 pin takes no action, DO2 pin is set to low, and DO3 pin is set to high. This lasts for 2 seconds, after which DO1 pin takes no action, DO2 pin is set to high, and DO3 pin is set to low.
--
  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
  * (% style="color:#037691" %)**AT Command:**
--There is no AT Command to control Relay Output
++There is no AT Command to control the Relay Output
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
--(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
++(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Sets RO1/RO2 output
  (((
--If payload = 0x030100, it means set RO1 to close and RO2 to open.
++If the payload is 0x030100, it means setting RO1 to close and RO2 to open.
  )))
  (((
--00: Closed ,  01: Open , 11: No action
++00: Close ,  01: Open , 11: No action
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
  |(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
@@ -1155,50 +1155,51 @@
  |03  00  01|Open|Close
  )))
--(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
++(% style="color:red" %)**The device will uplink a packet if the downlink code executes successfully.**
--
  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
++Controls the relay output time.
++
  * (% style="color:#037691" %)**AT Command:**
--There is no AT Command to control Relay Output
++There is no AT Command to control the Relay Output
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
--(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
++(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Sets RO1/RO2 relays with time control
--This is to control the relay output time of relay. Include four bytes:
++This controls the relay output time and includes 4 bytes:
--(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
++(% style="color:#4f81bd" %)**First byte **(%%)**:** Type code (0x05)
--(% style="color:#4f81bd" %)**Second Byte(aa)**(%%): Inverter Mode
++(% style="color:#4f81bd" %)**Second byte (aa)**(%%): Inverter Mode
--01: Relays will change back to original state after timeout.
++01: Relays will change back to their original state after timeout.
--00: Relays will change to an inverter state after timeout
++00: Relays will change to the inverter state after timeout.
--(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
++(% style="color:#4f81bd" %)**Third byte (bb)**(%%): Control Method and Ports status:
  [[image:image-20221008095908-1.png||height="364" width="564"]]
--(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
++(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh bytes (cc)**(%%): Latching time. Unit: ms
  (% style="color:red" %)**Note:**
--   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
++   Since firmware v1.6.0, the latch time supports both 4 bytes and 2 bytes.
--   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
++   Before firmware v1.6.0, the latch time only supported 2 bytes.
--(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
++(% style="color:red" %)**The device will uplink a packet if the downlink code executes successfully.**
  **Example payload:**
@@ -1205,19 +1205,19 @@
  **~1. 05 01 11 07 D0**
--Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
++Relay1 and Relay2 will be set to NC, lasting 2 seconds, then revert to their original state
  **2. 05 01 10 07 D0**
--Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
++Relay1 will change to NC, Relay2 will change to NO, lasting 2 seconds, then both will revert to their original state.
  **3. 05 00 01 07 D0**
--Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
++Relay1 will change to NO, Relay2 will change to NC, lasting 2 seconds, then Relay1 will change to NC, and Relay2 will change to NO.
  **4. 05 00 00 07 D0**
--Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
++Relay1 and Relay2 will change to NO, lasting 2 seconds, then both will change to NC.
@@ -1224,158 +1224,397 @@
  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
--When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
++When the voltage exceeds the threshold, counting begins. For details, see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
++(% style="color:#037691" %)**AT Command**
--* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
++(% border="2" style="width:500px" %)
++|(% style="width:137px" %)**Command**|(% style="width:361px" %)AT+VOLMAX=<voltage>,<logic>
++|(% style="width:137px" %)**Response**|(% style="width:361px" %)
++|(% style="width:137px" %)**Parameters**|(% style="width:361px" %)(((
++**voltage** : voltage threshold in mV
--(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
++**logic**:
++**0** : lower than
++**1**: higher than
++if you leave logic parameter blank, it is considered 0
++)))
++|(% style="width:137px" %)**Examples**|(% style="width:361px" %)(((
++AT+VOLMAX=20000
++
++If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1
++
++AT+VOLMAX=20000,0
++
++If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1
++
++AT+VOLMAX=20000,1
++
++If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1
++)))
++
++(% style="color:#037691" %)**Downlink Payload**
++
++(% border="2" style="width:500px" %)
++|(% style="width:140px" %)**Payload**|(% style="width:358px" %)<prefix><voltage><logic>
++|(% style="width:140px" %)**Parameters**|(% style="width:358px" %)(((
++**prefix** : A5 (hex)
++
++**voltage** : voltage threshold in mV (2 bytes in hex)
++
++**logic**: (1 byte in hexadecimal)
++
++**0** : lower than
++
++**1**: higher than
++
++if you leave logic parameter blank, it is considered 1 (higher than)
++)))
++|(% style="width:140px" %)**Example**|(% style="width:358px" %)(((
++A5 **4E 20**
++
++If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1
++
++A5 **4E 20 00**
++
++If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1
++
++A5 **4E 20 01**
++
++If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1
++)))
++
  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
++This command allows users to pre-configure specific count numbers for various counting parameters such as Count1, Count2, or AVI1 Count. Use the AT command to set the desired count number for each configuration.
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
++(% style="color:#037691" %)**AT Command**
--(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
++(% border="2" style="width:500px" %)
++|(% style="width:134px" %)**Command**|(% style="width:364px" %)AT+SETCNT=<counting_parameter>,<number>
++|(% style="width:134px" %)**Response**|(% style="width:364px" %)
++|(% style="width:134px" %)**Parameters**|(% style="width:364px" %)(((
++**counting_parameter** :
--(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
++1: COUNT1
++2: COUNT2
--* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
++3: AVI1 Count
--(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
++**number** : Start number
++)))
++|(% style="width:134px" %)**Example**|(% style="width:364px" %)(((
++AT+SETCNT=1,10
++Sets the COUNT1 to 10.
++)))
++(% style="color:#037691" %)**Downlink Payload**
++(% border="2" style="width:500px" %)
++|(% style="width:135px" %)**Payload**|(% style="width:363px" %)<prefix><counting_parameter><number>
++|(% style="width:135px" %)**Parameters**|(% style="width:363px" %)(((
++prefix : A8 (hex)
++
++**counting_parameter** :  (1 byte in hexadecimal)
++
++1: COUNT1
++
++2: COUNT2
++
++3: AVI1 Count
++
++**number** : Start number, 4 bytes in hexadecimal
++)))
++|(% style="width:135px" %)**Example**|(% style="width:363px" %)(((
++A8 **01 00 00 00 0A**
++
++Sets the COUNT1 to 10.
++)))
++
  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
++This command clears the counting in counting mode.
--Clear counting for counting mode
++(% style="color:#037691" %)**AT Command**
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
++(% border="2" style="width:500px" %)
++|(% style="width:142px" %)**Command**|(% style="width:356px" %)AT+CLRCOUNT
++|(% style="width:142px" %)**Response**|(% style="width:356px" %)-
--* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
++(% style="color:#037691" %)**Downlink Payload**
--(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
++(% border="2" style="width:500px" %)
++|(% style="width:141px" %)**Payload**|(% style="width:357px" %)<prefix><clear?>
++|(% style="width:141px" %)**Parameters**|(% style="width:357px" %)(((
++prefix : A6 (hex)
++clear? : 01 (hex)
++)))
++|(% style="width:141px" %)**Example**|(% style="width:357px" %)A6 **01**
++==== 3.4.2.19 Counting ~-~- Set Saving Interval for 'Counting Result' ====
--==== 3.4.2.19 Counting ~-~- Change counting mode to save time ====
++This command allows you to configure the device to save its counting result to internal flash memory at specified intervals. By setting a save time, the device will periodically store the counting data to prevent loss in case of power failure. The save interval can be adjusted to suit your requirements, with a minimum value of 30 seconds.
--* (% style="color:#037691" %)**AT Command:**
++(% style="color:#037691" %)**AT Command**
--(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
++(% border="2" style="width:500px" %)
++|(% style="width:124px" %)**Command**|(% style="width:374px" %)AT+COUTIME=<time>
++|(% style="width:124px" %)**Response**|(% style="width:374px" %)
++|(% style="width:124px" %)**Parameters**|(% style="width:374px" %)time : seconds (0 to 16777215)
++|(% style="width:124px" %)**Example**|(% style="width:374px" %)(((
++AT+COUTIME=60
++Sets the device to save its counting results to the memory every 60 seconds.
++)))
--* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
++(% style="color:#037691" %)**Downlink Payload**
--(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
++(% border="2" style="width:500px" %)
++|(% style="width:123px" %)**Payload**|(% style="width:375px" %)<prefix><time>
++|(% style="width:123px" %)**Parameters**|(% style="width:375px" %)(((
++prefix : A7
--(((
--range: aa bb cc:0 to 16777215,  (unit:second)
++time : seconds, 3 bytes in hexadecimal
  )))
++|(% style="width:123px" %)**Example**|(% style="width:375px" %)(((
++A7 **00 00 3C**
++Sets the device to save its counting results to the memory every 60 seconds.
++)))
++==== 3.4.2.20 Reset saved RO and DO states ====
--==== 3.4.2.20 Reset save RO DO state ====
++This command allows you to reset the saved relay output (RO) and digital output (DO) states when the device joins the network. By configuring this setting, you can control whether the device should retain or reset the relay states after a reset and rejoin to the network.
--* (% style="color:#037691" %)**AT Command:**
++(% style="color:#037691" %)**AT Command**
--(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
++(% border="2" style="width:500px" %)
++|(% style="width:127px" %)**Command**|(% style="width:371px" %)AT+RODORESET=<state>
++|(% style="width:127px" %)**Response**|(% style="width:371px" %)
++|(% style="width:127px" %)**Parameters**|(% style="width:371px" %)(((
++**state** :
--(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
++**0** : RODO will close when the device joins the network. (default)
++**1**: After the device is reset, the previously saved RODO state (limited to MOD2 to MOD5) is read, and it will not change when the device reconnects to the network.
++)))
++|(% style="width:127px" %)**Example**|(% style="width:371px" %)(((
++(% style="color:blue" %)**AT+RODORESET=1 **
--* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
++RODO will close when the device joins the network. (default)
--(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
++(% style="color:blue" %)**AT+RODORESET=0 **
++After the device is reset, the previously saved RODO state (limited to MOD2 to MOD5) is read, and it will not change when the device reconnects to the network.
++)))
++(% style="color:#037691" %)**Downlink Payload**
++(% border="2" style="width:500px" %)
++|(% style="width:127px" %)**Payload**|(% style="width:371px" %)<prefix><state>
++|(% style="width:127px" %)**Parameters**|(% style="width:371px" %)(((
++**prefix** : AD
++
++**state** :
++
++**0** : RODO will close when the device joins the network. (default), represents as 1 byte in hexadecimal.
++
++**1**: After the device is reset, the previously saved RODO state (limited to MOD2 to MOD5) is read, and it will not change when the device reconnects to the network. - represents as 1 byte in hexadecimal
++)))
++|(% style="width:127px" %)**Example**|(% style="width:371px" %)(((
++AD **01**
++
++RODO will close when the device joins the network. (default)
++
++AD **00**
++
++After the device is reset, the previously saved RODO state (limited to MOD2 to MOD5) is read, and it will not change when the device reconnects to the network.
++)))
++
  ==== 3.4.2.21 Encrypted payload ====
--* (% style="color:#037691" %)**AT Command:**
++This command allows you to configure whether the device should upload data in an encrypted format or in plaintext. By default, the device encrypts the payload before uploading. You can toggle this setting to either upload encrypted data or transmit it without encryption.
--(% style="color:blue" %)**AT+DECRYPT=1  **   (%%)~/~/ The payload is uploaded without encryption
++(% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
++(% border="2" style="width:500px" %)
++|(% style="width:127px" %)**Command**|(% style="width:371px" %)AT+DECRYPT=<state>
++|(% style="width:127px" %)**Response**|(% style="width:371px" %)
++|(% style="width:127px" %)**Parameters**|(% style="width:371px" %)(((
++**state** :
++**1** : The payload is uploaded without encryption
++**0** : The payload is encrypted when uploaded (default)
++)))
++|(% style="width:127px" %)**Example**|(% style="width:371px" %)(((
++AT+DECRYPT=1
++The payload is uploaded without encryption
++
++AT+DECRYPT=0
++
++The payload is encrypted when uploaded (default)
++)))
++
++There is no downlink payload for this configuration.
++
++
  ==== 3.4.2.22 Get sensor value ====
--* (% style="color:#037691" %)**AT Command:**
++This command allows you to retrieve and optionally uplink sensor readings through the serial port.
--(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
++(% style="color:#037691" %)**AT Command**
--(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
++(% border="2" style="width:500px" %)
++|(% style="width:127px" %)**Command**|(% style="width:371px" %)AT+GETSENSORVALUE=<state>
++|(% style="width:127px" %)**Response**|(% style="width:371px" %)
++|(% style="width:127px" %)**Parameters**|(% style="width:371px" %)(((
++**state** :
++**0 **: Retrieves the current sensor reading via the serial port.
++**1 **: Retrieves and uploads the current sensor reading via the serial port.
++)))
++|(% style="width:127px" %)**Example**|(% style="width:371px" %)(((
++AT+GETSENSORVALUE=0
--==== 3.4.2.23 Resets the downlink packet count ====
++Retrieves the current sensor reading via the serial port.
++AT+GETSENSORVALUE=1
--* (% style="color:#037691" %)**AT Command:**
++Retrieves and uplinks the current sensor reading via the serial port.
++)))
--(% style="color:blue" %)**AT+DISFCNTCHECK=0   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
++There is no downlink payload for this configuration.
--(% style="color:blue" %)**AT+DISFCNTCHECK=1   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
++==== 3.4.2.23 Resetting the downlink packet count ====
++This command manages how the node handles mismatched downlink packet counts. It offers two modes: one disables the reception of further downlink packets if discrepancies occur, while the other resets the downlink packet count to align with the server, ensuring continued communication.
++
++(% style="color:#037691" %)**AT Command**
++
++(% border="2" style="width:500px" %)
++|(% style="width:130px" %)**Command**|(% style="width:368px" %)AT+DISFCNTCHECK=<state>
++|(% style="width:130px" %)**Response**|(% style="width:368px" %)(((
++
++)))
++|(% style="width:130px" %)**Parameters**|(% style="width:368px" %)(((
++**state **:
++
++**0** : When the downlink packet count sent by the server is less than the node's downlink packet count or exceeds 16,384, the node stops receiving further downlink packets (default).
++
++
++**1** : When the downlink packet count sent by the server is less than the node's downlink packet count or exceeds 16,384, the node resets its downlink packet count to match the server's, ensuring consistency.
++)))
++|(% style="width:130px" %)**Example**|(% style="width:368px" %)(((
++AT+DISFCNTCHECK=0
++
++When the downlink packet count sent by the server is less than the node's downlink packet count or exceeds 16,384, the node stops receiving further downlink packets (default).
++
++AT+DISFCNTCHECK=1
++
++When the downlink packet count sent by the server is less than the node's downlink packet count or exceeds 16,384, the node resets its downlink packet count to match the server's, ensuring consistency.
++)))
++
++There is no downlink payload for this configuration.
++
++
  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
--* (% style="color:#037691" %)**AT Command:**
++This command controls the behavior of the node when the combined size of the MAC commands (MACANS) from the server and the payload exceeds the allowed byte limit for the current data rate (DR). The command provides two modes: one enables splitting the data into batches to ensure compliance with the byte limit, while the other prioritizes the payload and ignores the MACANS in cases of overflow.
--(% style="color:blue" %)**AT+DISMACANS=0**   (%%)  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
++(% style="color:#037691" %)**AT Command**
--(% style="color:blue" %)**AT+DISMACANS=1**  (%%)    ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
++(% border="2" style="width:500px" %)
++|(% style="width:127px" %)**Command**|(% style="width:371px" %)AT+DISMACANS=<state>
++|(% style="width:127px" %)**Response**|(% style="width:371px" %)
++|(% style="width:127px" %)**Parameters**|(% style="width:371px" %)(((
++**state** :
++**0** : When the combined size of the MACANS from the server and the payload exceeds the byte limit (11 bytes for DR0 of US915, DR2 of AS923, DR2 of AU915), the node sends a packet with a payload of 00 and a port of 4. (default)
--* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
++**1** : When the combined size of the MACANS from the server and the payload exceeds the byte limit for the current DR, the node ignores the MACANS and only uploads the payload.
++)))
++|(% style="width:127px" %)**Example**|(% style="width:371px" %)(((
++AT+DISMACANS=0
--(% style="color:blue" %)**0x21 00 01 **   (%%)      ~/~/ Set  the DISMACANS=1
++When the combined size of the MACANS from the server and the payload exceeds the byte limit (11 bytes for DR0 of US915, DR2 of AS923, DR2 of AU915), the node sends a packet with a payload of 00 and a port of 4. (default)
++AT+DISMACANS=1
++When the combined size of the MACANS from the server and the payload exceeds the byte limit for the current DR, the node ignores the MACANS and only uploads the payload.
++)))
++(% style="color:#037691" %)**Downlink Payload**
++
++(% border="2" style="width:500px" %)
++|(% style="width:126px" %)**Payload**|(% style="width:372px" %)<prefix><state>
++|(% style="width:126px" %)**Parameters**|(% style="width:372px" %)(((
++**prefix** : 21
++
++**state** : (2 bytes in hexadecimal)
++
++**0** : When the combined size of the MACANS from the server and the payload exceeds the byte limit (11 bytes for DR0 of US915, DR2 of AS923, DR2 of AU915), the node sends a packet with a payload of 00 and a port of 4. (default)
++
++**1 **: When the combined size of the MACANS from the server and the payload exceeds the byte limit for the current DR, the node ignores the MACANS and only uploads the payload.
++)))
++|(% style="width:126px" %)**Example**|(% style="width:372px" %)(((
++21 **00 01**
++
++Set DISMACANS=1
++)))
++
  ==== 3.4.2.25 Copy downlink to uplink ====
--* (% style="color:#037691" %)**AT Command**(%%)**:**
++This command enables the device to immediately uplink the payload of a received downlink packet back to the server. The command allows for quick data replication from downlink to uplink, with a fixed port number of 100.
--(% style="color:blue" %)**AT+RPL=5**   (%%)  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
++(% style="color:#037691" %)**AT Command**(%%)**:**
--Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
++(% style="color:blue" %)**AT+RPL=5**   (%%)  ~/~/ After receiving a downlink payload from the server, the device will immediately uplink the payload back to the server using port number 100.
++Example：**aa xx xx xx xx**         ~/~/ **aa** indicates whether the configuration has changed: **00** means YES, and **01** means NO. **xx xx xx xx** are the bytes uplinked back.
++
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
  For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
--
--
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
  For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
++(% style="color:#037691" %)**Downlink Payload**(%%)**:**
--==== 3.4.2.26 Query version number and frequency band 、TDC ====
++There is no downlink option available for this feature.
++==== 3.4.2.26 Query firmware version, frequency band, sub band, and TDC time ====
++
++
++This command is used to query key information about the device, including its firmware version, frequency band, sub band, and TDC time. By sending the specified payload as a downlink, the server can retrieve this essential data from the device.
++
  * (((
  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
--(% style="color:blue" %)**26 01  ** (%%)  ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
++(% style="color:blue" %)**26 01  ** (%%)  ~/~/  The downlink payload 26 01 is used to query the device's firmware version, frequency band, sub band, and TDC time.
++
  )))
@@ -1386,30 +1386,37 @@
  == 3.5 Integrating with ThingsEye.io ==
--The Things Stack applications can be integrated with ThingsEye.io. Once integrated, ThingsEye.io works as an MQTT client for The Things Stack MQTT broker, allowing it to subscribe to upstream traffic and publish downlink traffic.
--=== 3.5.1 Configuring MQTT Connection Information with The Things Stack Sandbox ===
++The Things Stack application supports integration with ThingsEye.io. Once integrated, ThingsEye.io acts as an MQTT client for The Things Stack MQTT broker, allowing it to subscribe to upstream traffic and publish downlink traffic.
--We use The Things Stack Sandbox for demonstating the configuration but  other
--* In **The Things Stack Sandbox**, select your application under **Applications**.
--* Select **MQTT** under **Integrations**.
--* In the **Connection information **section, for **Username**, The Things Stack displays an auto-generated username. You can use it or provide a new one.
--* For the **Password**, click the **Generate new API key** button to generate a password. You can see it by clicking on the **eye** button. The API key works as the password.
++=== 3.5.1 Configuring The Things Stack ===
--NOTE. The username and  password (API key) you created here are required in the next section.
--[[image:tts-mqtt-integration.png||height="625" width="1000"]]
++We use The Things Stack Sandbox in this example:
++* In **The Things Stack Sandbox**, go to the **Application **for the LT-22222-L you added.
++* Select **MQTT** under **Integrations** in the left menu.
++* In the **Connection information **section, under **Connection credentials**, The Things Stack displays an auto-generated **username**. You can use it or provide a new one.
++* Click the **Generate new API key** button to generate a password. You can view it by clicking on the **visibility toggle/eye** icon. The API key works as the password.
++
++{{info}}
++The username and  password (API key) you created here are required in the next section.
++{{/info}}
++
++[[image:tts-mqtt-integration.png]]
++
++
  === 3.5.2 Configuring ThingsEye.io ===
--This section guides you on how to create an integration in ThingsEye to connect with The Things Stack MQTT server.
++The ThingsEye.io IoT platform is not open for self-registration at the moment. If you are interested in testing the platform, please send your project information to admin@thingseye.io, and we will create an account for you.
++
  * Login to your [[ThingsEye.io >>https://thingseye.io]]account.
  * Under the **Integrations center**, click **Integrations**.
  * Click the **Add integration** button (the button with the **+** symbol).
--[[image:thingseye-io-step-1.png||height="625" width="1000"]]
++[[image:thingseye-io-step-1.png]]
  On the **Add integration** window, configure the following:
@@ -1424,7 +1424,7 @@
  ** Allow create devices or assets
  * Click the **Next** button. you will be navigated to the **Uplink data converter** tab.
--[[image:thingseye-io-step-2.png||height="625" width="1000"]]
++[[image:thingseye-io-step-2.png]]
  **Uplink data converter:**
@@ -1435,18 +1435,18 @@
  * Paste the uplink decoder function into the text area (first, delete the default code). The demo uplink decoder function can be found [[here>>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Uplink_Converter.js]].
  * Click the **Next** button. You will be navigated to the **Downlink data converter **tab.
--[[image:thingseye-io-step-3.png||height="625" width="1000"]]
++[[image:thingseye-io-step-3.png]]
  **Downlink data converter (this is an optional step):**
  * Click the **Create new** button if it is not selected by default.
--* Enter a suitable name for the downlink data converter in the **Name **text** **box or keep the default name
++* Enter a suitable name for the downlink data converter in the **Name **text** **box or keep the default name.
  * Click the **JavaScript** button.
--* Paste the downlink decoder function into the text area (first, delete the default code). The demo downlink decoder function can be found here.
++* Paste the downlink decoder function into the text area (first, delete the default code). The demo downlink decoder function can be found [[here>>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Downlink_Converter.js]].
  * Click the **Next** button. You will be navigated to the **Connection** tab.
--[[image:thingseye-io-step-4.png||height="625" width="1000"]]
++[[image:thingseye-io-step-4.png]]
  **Connection:**
@@ -1453,7 +1453,7 @@
  * Choose **Region** from the **Host type**.
  * Enter the **cluster** of your **The Things Stack** in the **Region** textbox. You can find the cluster in the url (e.g., https:~/~/**eu1**.cloud.thethings.network/...).
--* Enter the **Username** and **Password** of the MQTT integration in the **Credentials** section. The username and password can be found on the MQTT integration page of your The Things Stack account (see Configuring MQTT Connection information with The Things Stack Sandbox).
++* Enter the **Username** and **Password** of the MQTT integration in the **Credentials** section. The **username **and **password **can be found on the MQTT integration page of your The Things Stack account (see **3.5.1 Configuring The Things Stack**).
  * Click the **Check connection** button to test the connection. If the connection is successful, you will see the message saying **Connected**.
  [[image:message-1.png]]
@@ -1461,58 +1461,69 @@
  * Click the **Add** button.
--[[image:thingseye-io-step-5.png||height="625" width="1000"]]
++[[image:thingseye-io-step-5.png]]
--Your integration has been added to the** Integrations** list and will be displayed on the **Integrations** page. Check whether the status is shown as **Active**. If not, review your configuration settings.
++Your integration has been added to the** Integrations** list and will be displayed on the **Integrations** page. Check whether the status is shown as **Active**. If not, review your configuration settings and correct any errors.
--[[image:thingseye.io_integrationsCenter_integrations.png||height="686" width="1000"]]
++[[image:thingseye.io_integrationsCenter_integrations.png]]
--**Viewing integration details**:
++==== 3.5.2.1 Viewing integration details ====
--Click on your integration from the list. The Integration details window will appear with the Details tab selected. The Details tab shows all the settings you have provided for this integration.
--[[image:integration-details.png||height="686" width="1000"]]
++Click on your integration from the list. The **Integration details** window will appear with the **Details **tab selected. The **Details **tab shows all the settings you have provided for this integration.
++[[image:integration-details.png]]
++
  If you want to edit the settings you have provided, click on the **Toggle edit mode** button. Once you have done click on the **Apply changes **button.
--Note: See also ThingsEye documentation.
++{{info}}
++See also [[ThingsEye documentation>>https://wiki.thingseye.io/xwiki/bin/view/Main/]].
++{{/info}}
--**Viewing events:**
++==== 3.5.2.2 Viewing events ====
--This tab  displays all the uplink messages from the LT-22222-L.
--* Click on the **Events **tab.
++The **Events **tab displays all the uplink messages from the LT-22222-L.
++
  * Select **Debug **from the **Event type** dropdown.
  * Select the** time frame** from the **time window**.
--[insert image]
++[[image:thingseye-events.png]]
--- To view the JSON payload of a message, click on the three dots (...) in the Message column of the desired message.
--[insert image]
++* To view the **JSON payload** of a message, click on the **three dots (...)** in the Message column of the desired message.
++[[image:thingseye-json.png]]
--**Deleting the integration**:
--If you want to delete this integration, click the **Delete integratio**n button.
++==== 3.5.2.3 Deleting an integration ====
++If you want to delete an integration, click the **Delete integratio**n button on the Integrations page.
++
++
++==== 3.5.2.4 Creating a Dashboard to Display and Analyze LT-22222-L Data ====
++
++
++This will be added soon.
++
++
  == 3.6 Interface Details ==
--=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
++=== 3.6.1 Digital Input Ports: DI1/DI2/DI3 (For LT-33222-L, Low Active) ===
--Support NPN-type sensor
++Supports** NPN-type **sensors.
  [[image:1653356991268-289.png]]
--=== 3.6.2 Digital Input Ports: DI1/DI2 ( For LT-22222-L) ===
++=== 3.6.2 Digital Input Ports: DI1/DI2 ===
  (((
@@ -1629,20 +1629,20 @@
  )))
--(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor
++(% style="color:blue" %)**Example 4**(%%): Connecting to a Dry Contact sensor
--From the DI port circuit above, you can see that activating the photocoupler requires a voltage difference between the DI+ and DI- ports. However, the Dry Contact sensor is a passive component and cannot provide this voltage difference.
++From the DI port circuit above, activating the photocoupler requires a voltage difference between the DI+ and DI- ports. However, the Dry Contact sensor is a passive component and cannot provide this voltage difference on its own.
--To detect a Dry Contact, you can supply a power source to one pin of the Dry Contact. Below is a reference circuit diagram.
++To detect a Dry Contact, you can supply a power source to one of the pins of the Dry Contact. A reference circuit diagram is shown below.
  [[image:image-20230616235145-1.png]]
--(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector
++(% style="color:blue" %)**Example 5**(%%): Connecting to an Open Collector
  [[image:image-20240219115718-1.png]]
--=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 ===
++=== 3.6.3 Digital Output Ports: DO1/DO2 ===
  (% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
@@ -1713,12 +1713,14 @@
  [[image:image-20220524100215-10.png||height="382" width="723"]]
--== 3.7 LEDs Indicators ==
++== 3.7 LED Indicators ==
++The table below lists the behavior of LED indicators for each port function.
++
  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
  |(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
--|**PWR**|Always on if there is power
++|**PWR**|Always on when there is power
  |**TX**|(((
  (((
  Device boot: TX blinks 5 times.
@@ -1725,7 +1725,7 @@
  )))
  (((
--Successful join network: TX ON for 5 seconds.
++Successful network join: TX remains ON for 5 seconds.
  )))
  (((
@@ -1732,7 +1732,7 @@
  Transmit a LoRa packet: TX blinks once
  )))
  )))
--|**RX**|RX blinks once when receiving a packet.
++|**RX**|RX blinks once when a packet is received.
  |**DO1**|For LT-22222-L: ON when DO1 is low, OFF when DO1 is high
  |**DO2**|For LT-22222-L: ON when DO2 is low, OFF when DO2 is high
  |**DI1**|(((
@@ -1744,216 +1744,92 @@
  |**RO1**|For LT-22222-L: ON when RO1 is closed, OFF when RO1 is open
  |**RO2**|For LT-22222-L: ON when RO2 is closed, OFF when RO2 is open
--= 4. Using AT Command =
++= 4. Using AT Commands =
--== 4.1 Connecting the LT-22222-L to a computer ==
++The LT-22222-L supports programming using AT Commands.
--(((
--The LT-22222-L supports programming using AT Commands. You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a computer, as shown below.
--)))
--[[image:1653358238933-385.png]]
++== 4.1 Connecting the LT-22222-L to a PC ==
  (((
--On the PC, the user needs to set the (% style="color:#4f81bd" %)**serial tool **(%%)(such as [[PuTTY>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]] or [[SecureCRT>>https://www.vandyke.com/cgi-bin/releases.php?product=securecrt]]) to a baud rate of (% style="color:green" %)**9600**(%%) to access the serial console of LT-22222-L. The AT commands are disabled by default, and a password (default:(% style="color:green" %)**123456**)(%%) must be entered to active them, as shown below:
--)))
++You can use a USB-to-TTL adapter/converter along with a 3.5mm Program Cable to connect the LT-22222-L to a PC, as shown below.
--[[image:1653358355238-883.png]]
++[[image:usb-ttl-audio-jack-connection.jpg]]
--
--(((
--You can find more details in the [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
++
  )))
--(((
--The following table lists all the AT commands related to the LT-22222-L, except for those used for switching between modes.
--AT+<CMD>?        : Help on <CMD>
--)))
--
  (((
--AT+<CMD>         : Run <CMD>
++On the PC, you need to set the (% style="color:#4f81bd" %)**serial tool **(%%)(such as [[PuTTY>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]] or [[SecureCRT>>https://www.vandyke.com/cgi-bin/releases.php?product=securecrt]]) to a baud rate of (% style="color:green" %)**9600**(%%) to access the serial console of LT-22222-L. Access to AT commands is disabled by default, and a password (default: (% style="color:green" %)**123456**)(%%) must be entered to enable AT command access, as shown below:
  )))
--(((
--AT+<CMD>=<value> : Set the value
--)))
++[[image:1653358355238-883.png]]
--(((
--AT+<CMD>=?       :  Get the value
--)))
  (((
--ATZ: Trig a reset of the MCU
--)))
++You can find more details in the [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
--(((
--AT+FDR: Reset Parameters to Factory Default, Keys Reserve
--)))
--(((
--AT+DEUI: Get or Set the Device EUI
--)))
++== 4.2 LT-22222-L related AT commands ==
--(((
--AT+DADDR: Get or Set the Device Address
++
  )))
  (((
--AT+APPKEY: Get or Set the Application Key
--)))
++The following is the list of all the AT commands related to the LT-22222-L, except for those used for switching between working modes.
--(((
--AT+NWKSKEY: Get or Set the Network Session Key
++* **##AT##+<CMD>?** : Help on <CMD>
++* **##AT##+<CMD>** : Run <CMD>
++* **##AT##+<CMD>=<value>** : Set the value
++* **##AT##+<CMD>=?** : Get the value
++* ##**ATZ**##: Trigger a reset of the MCU
++* ##**AT+FDR**##: Reset Parameters to factory default, reserve keys
++* **##AT+DEUI##**: Get or set the Device EUI (DevEUI)
++* **##AT+DADDR##**: Get or set the Device Address (DevAddr)
++* **##AT+APPKEY##**: Get or set the Application Key (AppKey)
++* ##**AT+NWKSKEY**##: Get or set the Network Session Key (NwkSKey)
++* **##AT+APPSKEY##**: Get or set the Application Session Key (AppSKey)
++* **##AT+APPEUI##**: Get or set the Application EUI (AppEUI)
++* **##AT+ADR##**: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON)
++* ##**AT+TXP**##: Get or set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Specification)
++* **##AT+DR##**:  Get or set the Data Rate. (0-7 corresponding to DR_X)
++* **##AT+DCS##**: Get or set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
++* ##**AT+PNM**##: Get or set the public network mode. (0: off, 1: on)
++* ##**AT+RX2FQ**##: Get or set the Rx2 window frequency
++* ##**AT+RX2DR**##: Get or set the Rx2 window data rate (0-7 corresponding to DR_X)
++* ##**AT+RX1DL**##: Get or set the delay between the end of the Tx and the Rx Window 1 in ms
++* ##**AT+RX2DL**##: Get or set the delay between the end of the Tx and the Rx Window 2 in ms
++* ##**AT+JN1DL**##: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
++* ##**AT+JN2DL**##: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
++* ##**AT+NJM**##: Get or set the Network Join Mode. (0: ABP, 1: OTAA)
++* ##**AT+NWKID**##: Get or set the Network ID
++* ##**AT+FCU**##: Get or set the Frame Counter Uplink (FCntUp)
++* ##**AT+FCD**##: Get or set the Frame Counter Downlink (FCntDown)
++* ##**AT+CLASS**##: Get or set the Device Class
++* ##**AT+JOIN**##: Join network
++* ##**AT+NJS**##: Get OTAA Join Status
++* ##**AT+SENDB**##: Send hexadecimal data along with the application port
++* ##**AT+SEND**##: Send text data along with the application port
++* ##**AT+RECVB**##: Print last received data in binary format (with hexadecimal values)
++* ##**AT+RECV**##: Print last received data in raw format
++* ##**AT+VER**##: Get current image version and Frequency Band
++* ##**AT+CFM**##: Get or Set the confirmation mode (0-1)
++* ##**AT+CFS**##: Get confirmation status of the last AT+SEND (0-1)
++* ##**AT+SNR**##: Get the SNR of the last received packet
++* ##**AT+RSSI**##: Get the RSSI of the last received packet
++* ##**AT+TDC**##: Get or set the application data transmission interval in ms
++* ##**AT+PORT**##: Get or set the application port
++* ##**AT+DISAT**##: Disable AT commands
++* ##**AT+PWORD**##: Set password, max 9 digits
++* ##**AT+CHS**##: Get or set the Frequency (Unit: Hz) for Single Channel Mode
++* ##**AT+CHE**##: Get or set eight channels mode, Only for US915, AU915, CN470
++* ##**AT+CFG**##: Print all settings
  )))
--(((
--AT+APPSKEY:  Get or Set the Application Session Key
--)))
--(((
--AT+APPEUI:    Get or Set the Application EUI
--)))
--
--(((
--AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
--)))
--
--(((
--AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
--)))
--
--(((
--AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
--)))
--
--(((
--AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
--)))
--
--(((
--AT+PNM: Get or Set the public network mode. (0: off, 1: on)
--)))
--
--(((
--AT+RX2FQ: Get or Set the Rx2 window frequency
--)))
--
--(((
--AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
--)))
--
--(((
--AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
--)))
--
--(((
--AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
--)))
--
--(((
--AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
--)))
--
--(((
--AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
--)))
--
--(((
--AT+NJM:    Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
--)))
--
--(((
--AT+NWKID: Get or Set the Network ID
--)))
--
--(((
--AT+FCU: Get or Set the Frame Counter Uplink
--)))
--
--(((
--AT+FCD: Get or Set the Frame Counter Downlink
--)))
--
--(((
--AT+CLASS: Get or Set the Device Class
--)))
--
--(((
--AT+JOIN: Join network
--)))
--
--(((
--AT+NJS: Get OTAA Join Status
--)))
--
--(((
--AT+SENDB: Send hexadecimal data along with the application port
--)))
--
--(((
--AT+SEND: Send text data along with the application port
--)))
--
--(((
--AT+RECVB: Print last received data in binary format (with hexadecimal values)
--)))
--
--(((
--AT+RECV: Print last received data in raw format
--)))
--
--(((
--AT+VER:  Get current image version and Frequency Band
--)))
--
--(((
--AT+CFM: Get or Set the confirmation mode (0-1)
--)))
--
--(((
--AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
--)))
--
--(((
--AT+SNR: Get the SNR of the last received packet
--)))
--
--(((
--AT+RSSI: Get the RSSI of the last received packet
--)))
--
--(((
--AT+TDC: Get or set the application data transmission interval in ms
--)))
--
--(((
--AT+PORT: Get or set the application port
--)))
--
--(((
--AT+DISAT: Disable AT commands
--)))
--
--(((
--AT+PWORD: Set password, max 9 digits
--)))
--
--(((
--AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
--)))
--
--(((
--AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
--)))
--
--(((
--AT+CFG: Print all settings
--)))
--
--
  == 4.2 Common AT Command Sequence ==
  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
@@ -1962,41 +1962,41 @@
  (((
--(% style="color:blue" %)**If device has not joined network yet:**
++(% style="color:blue" %)**If the device has not yet joined the network:**
  )))
  )))
  (((
--(% style="background-color:#dcdcdc" %)**123456**
++(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
  )))
  (((
--(% style="background-color:#dcdcdc" %)**AT+FDR**
++(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/Reset parameters to factory default, Reserve keys**##
  )))
  (((
--(% style="background-color:#dcdcdc" %)**123456**
++(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
  )))
  (((
--(% style="background-color:#dcdcdc" %)**AT+NJM=0**
++(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/Set to ABP mode**##
  )))
  (((
--(% style="background-color:#dcdcdc" %)**ATZ**
++(% style="background-color:#dcdcdc" %)##**ATZ ~/~/Reset MCU**##
  )))
  (((
--(% style="color:blue" %)**If device already joined network:**
++(% style="color:blue" %)**If the device has already joined the network:**
  )))
  (((
--(% style="background-color:#dcdcdc" %)**AT+NJM=0**
++(% style="background-color:#dcdcdc" %)##**AT+NJM=0**##
  )))
  (((
--(% style="background-color:#dcdcdc" %)**ATZ**
++(% style="background-color:#dcdcdc" %)##**ATZ**##
  )))
@@ -2006,20 +2006,20 @@
  (((
--(% style="background-color:#dcdcdc" %)**123456**(%%)        ~/~/ Enter Password to have AT access.
++(% style="background-color:#dcdcdc" %)**123456**(%%)        ~/~/ Enter password to enable AT commands access
  )))
  )))
  (((
--(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)     ~/~/ Reset Parameters to Factory Default, Keys Reserve
++(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)     ~/~/ Reset parameters to Factory Default, Reserve keys
  )))
  (((
--(% style="background-color:#dcdcdc" %)** 123456**(%%)       ~/~/ Enter Password to have AT access.
++(% style="background-color:#dcdcdc" %)** 123456**(%%)       ~/~/ Enter password to enable AT commands access
  )))
  (((
--(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)   ~/~/ Set to work in CLASS C
++(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)   ~/~/ Set to CLASS C mode
  )))
  (((
@@ -2039,19 +2039,19 @@
  )))
  (((
--(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)     ~/~/ Set transmit frequency to 868.4Mhz
++(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)     ~/~/ Set transmit frequency to 868.4 MHz
  )))
  (((
--(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)    ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
++(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)    ~/~/ Set RX2 frequency to 868.4 MHz (according to the result from the server)
  )))
  (((
--(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** **                   ~/~/ Set RX2DR to match the downlink DR from server. see below
++(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** **                   ~/~/ Set RX2 DR to match the downlink DR from the server. See below.
  )))
  (((
--(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%)     ~/~/ Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
++(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%)     ~/~/ Set Device Address. The Device Address can be found in the application on the LoRaWAN NS.
  )))
  (((
@@ -2065,14 +2065,14 @@
  )))
  (((
--**~1. Make sure the device is set to ABP mode in the IoT Server.**
++**~1. Ensure that the device is set to ABP mode in the LoRaWAN Network Server.**
--**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
++**2. Verify that the LG01/02 gateway RX frequency matches the AT+CHS setting exactly.**
--**3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
++**3. Make sure the SF/bandwidth settings in the LG01/LG02 match the settings of AT+DR. Refer to [[this link>>url:http://www.dragino.com/downloads/index.php?
  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
--**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
++**4. The commands AT+RX2FQ and AT+RX2DR enable downlink functionality. To set the correct parameters, you can check the actual downlink parameters to be used as shown below. Here, RX2FQ should be set to 868400000 and RX2DR should be set to 5.**
  )))
  (((
@@ -2084,7 +2084,7 @@
  (((
--(% style="color:blue" %)**If sensor JOINED:**
++(% style="color:blue" %)**If the sensor has JOINED:**
  (% style="background-color:#dcdcdc" %)**AT+CLASS=A**
@@ -2094,39 +2094,48 @@
  = 5. Case Study =
--== 5.1 Counting how many objects pass through the flow Line ==
++== 5.1 Counting how many objects pass through the flow line ==
--Reference Link: [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]]?
++See [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]]?
  = 6. FAQ =
--== 6.1 How to upgrade the firmware image? ==
++This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly.
--The LT-22222-L I/O Controller is shipped with a 3.5mm cable, which is used to upload an image to LT in order to:
--* Support new features.
--* Fix bugs.
--* Change LoRaWAN bands.
++== 6.1 How to update the firmware? ==
--Below is the hardware connection setup for uploading an firmware image to the LT-22222-L:
--(% class="box infomessage" %)
--(((
--The latest firmware version available for the LT-22222-L is v1.6.1 at the time of this writing.
--)))
++Dragino frequently releases firmware updates for the LT-22222-L. Updating your LT-22222-L with the latest firmware version helps to:
--[[image:1653359603330-121.png]]
++* Support new features
++* Fix bugs
++* Change LoRaWAN frequency bands
++You will need the following things before proceeding:
--(((
--(% style="color:#0000ff" %)**Step 1**(%%)**:** Download the F[[lash Loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. (replaced by STM32CubeProgrammer)
--(% style="color:#0000ff" %)**Step 2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
--(% style="color:#0000ff" %)**Step 3**(%%)**:** Open the Flash Loader and choose the correct COM port to update.
++* 3.5mm programming cable (included with the LT-22222-L as an additional accessory)
++* USB to TTL adapter/converter
++* Download and install the [[STM32 Flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. (replaced by STM32CubeProgrammer)
++* Download the latest firmware image from [[LT-22222-L firmware image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]]. Check the file name of the firmware to find the correct region.
++{{info}}
++As of this writing, the latest firmware version available for the LT-22222-L is v1.6.1.
++{{/info}}
++
++Below is the hardware setup for uploading a firmware image to the LT-22222-L:
++
++[[image:usb-ttl-audio-jack-connection.jpg]]
++
++
++
++Start the STM32 Flash Loader and choose the correct COM port to update.
++
  (((
++(((
  (% style="color:blue" %)**For LT-22222-L**(%%):
  Hold down the **PRO** button, then briefly press the **RST** button. The **DO1** LED will change from OFF to ON. When the **DO1** LED is ON, it indicates that the device is in firmware download mode.
@@ -2144,7 +2144,7 @@
  [[image:image-20220524104033-15.png]]
--(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5mm cable. The pin mapping is as follows:
++(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5 mm cable. The pin mapping is as follows:
  [[image:1653360054704-518.png||height="186" width="745"]]
@@ -2151,7 +2151,7 @@
  (((
  (((
--== 6.2 How to change the LoRa Frequency Bands/Region? ==
++== 6.2 How to change the LoRaWAN frequency band/region? ==
  )))
@@ -2164,7 +2164,7 @@
  (((
--== 6.3 How to set up LT to work with a Single Channel Gateway, such as LG01/LG02? ==
++== 6.3 How to setup LT-22222-L to work with a Single Channel Gateway, such as LG01/LG02? ==
  )))
@@ -2171,13 +2171,13 @@
  (((
  (((
--In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency.
++In this case, you need to set the LT-22222-L to work in ABP mode and transmit on only one frequency.
  )))
  )))
  (((
  (((
--Assume you have an LG02 working on the frequency 868400000. Below are the steps.
++We assume you have an LG01/LG02 working on the frequency 868400000. Below are the steps.
  )))
@@ -2184,52 +2184,55 @@
  )))
  (((
--(% style="color:#0000ff" %)**Step 1**(%%):  Log in to The Things Stack SANDBOX, create an ABP device in the application, and input the Network Session key (NwkSKey), App session key (AppSKey) of the device.
++(% style="color:#0000ff" %)**Step 1**(%%):  Log in to The Things Stack Sandbox account and create an ABP device in the application. To do this, use the manual registration option as explained in section 3.2.2.2, //Adding a Device Manually//. Select //Activation by Personalization (ABP)// under Activation Mode. Enter the DevEUI exactly as shown on the registration information sticker, then generate the Device Address, Application Session Key (AppSKey), and Network Session Key (NwkSKey).
--
++[[image:lt-22222-l-abp.png||height="686" width="1000"]]
  )))
  (((
--[[image:1653360231087-571.png||height="401" width="727"]]
--
  )))
--(((
--(% style="color:red" %)**Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.**
--)))
++{{warning}}
++Ensure that the Device Address (DevAddr) and the two keys match between the LT-22222-L and The Things Stack. You can modify them either in The Things Stack or on the LT-22222-L to make them align. In The Things Stack, you can configure the NwkSKey and AppSKey on the settings page, but note that the Device Address is generated by The Things Stack.
++{{/warning}}
--
  (((
--(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
++(% style="color:blue" %)**Step 2**(%%)**:  **(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)Run AT commands to configure the LT-22222-L to operate in single-frequency and ABP mode. The AT commands are as follows:
  )))
  (((
--(% style="background-color:#dcdcdc" %)**123456** (%%)   :   Enter Password to have AT access.
++(% style="background-color:#dcdcdc" %)**123456** (%%) : Enter the password to enable AT access.
--(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)   :   Reset Parameters to Factory Default, Keys Reserve
++(% style="background-color:#dcdcdc" %)**AT+FDR**(%%) : Reset parameters to factory default, keeping keys reserved.
--(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :   Set to ABP mode
++(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) : Set to ABP mode.
--(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)  :  Set the Adaptive Data Rate Off
++(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) : Disable the Adaptive Data Rate (ADR).
--(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%)    :   Set Data Rate (Set AT+DR=3 for 915 band)
++(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) : Set Data Rate (Use AT+DR=3 for the 915 MHz band).
--(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%)   :      Set transmit interval to 60 seconds
++(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%)  : Set transmit interval to 60 seconds.
--(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
++(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4 MHz.
--(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
++(% style="background-color:#dcdcdc" %)**AT+DADDR=xxxx**(%%) : Set the Device Address (DevAddr)
--(% style="background-color:#dcdcdc" %)**ATZ**        (%%)                              :  Reset MCU
++(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:700; text-decoration:none; white-space:pre-wrap" %)**AT+APPKEY=xxxx**(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %): Get or set the Application Key (AppKey)
++
++(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)**AT+NWKSKEY=xxxx**: Get or set the Network Session Key (NwkSKey)
++
++(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)**AT+APPSKEY=xxxx**: Get or set the Application Session Key (AppSKey)
++
++(% style="background-color:#dcdcdc" %)**ATZ**        (%%) : Reset MCU.
  )))
  (((
--As shown in below:
++(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)The following figure shows the screenshot of the command set above, issued using a serial tool:
  )))
  [[image:1653360498588-932.png||height="485" width="726"]]
@@ -2241,61 +2241,62 @@
  Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
--== 6.5 Can I see the counting event in Serial? ==
++== 6.5 Can I see the counting event in the serial output? ==
  (((
--User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
++You can run the AT command **AT+DEBUG** to view the counting event in the serial output. If the firmware is too old and doesn’t support AT+DEBUG, update to the latest firmware first.
  == 6.6 Can I use point-to-point communication with LT-22222-L? ==
--Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]. this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
++Yes, you can. Please refer to the [[Point-to-Point Communication of LT-22222-L>>https://wiki.dragino.com/xwiki/bin/view/Main/%20Point%20to%20Point%20Communication%20of%20LT-22222-L/]] page. The firmware that supports point-to-point communication can be found [[here>>https://github.com/dragino/LT-22222-L/releases]].
  )))
  (((
--== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
++== 6.7 Why does the relay output default to an open relay after the LT-22222-L is powered off? ==
--If the device is not shut down, but directly powered off.
++* If the device is not properly shut down and is directly powered off.
++* It will default to a power-off state.
++* In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
++* After a restart, the status before the power failure will be read from flash.
--It will default that this is a power-off state.
++== 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
--In modes 2 to 5, DO RO status and pulse count are saved in flash.
--After restart, the status before power failure will be read from flash.
++The LT-22222-L's built-in relay is Normally Open (NO). You can use an external relay to achieve a Normally Closed (NC) configuration. The circuit diagram is shown below:
--== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
++[[image:image-20221006170630-1.png||height="610" width="945"]]
--LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
++== 6.9 Can the LT-22222-L save the RO state? ==
--[[image:image-20221006170630-1.png||height="610" width="945"]]
++To enable this feature, the firmware version must be 1.6.0 or higher.
--== 6.9 Can LT22222-L save RO state? ==
++== 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? ==
--Firmware version needs to be no less than 1.6.0.
++It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose.
--== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
++= 7. Troubleshooting =
--It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
++This section provides some known troubleshooting tips.
--
--= 7. Trouble Shooting =
++
  )))
  (((
  (((
--== 7.1 Downlink doesn't work, how to solve it? ==
++== 7.1 Downlink isn't working. How can I solve this? ==
  )))
@@ -2302,42 +2302,42 @@
  )))
  (((
--Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
++Please refer to this link for debugging instructions: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
  )))
  (((
--== 7.2 Have trouble to upload image. ==
++== 7.2 Having trouble uploading an image? ==
  )))
  (((
--See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
++Please refer to this link for troubleshooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
  )))
  (((
--== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
++== 7.3 Why can't I join TTN in the US915 /AU915 bands? ==
  )))
  (((
--It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
++It might be related to the channel mapping. [[Please refer to this link for details.>>https://github.com/dragino/LT-22222-L/releases]]
  )))
--== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
++== 7.4 Why can the LT-22222-L perform uplink normally, but cannot receive downlink? ==
--The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
--Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
++The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
++Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
--= 8. Order Info =
++= 8. Ordering information =
  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
@@ -2344,43 +2344,44 @@
  (% style="color:#4f81bd" %)**XXX:**
--* (% style="color:red" %)**EU433**(%%):   LT with frequency bands EU433
--* (% style="color:red" %)**EU868**(%%):   LT with frequency bands EU868
--* (% style="color:red" %)**KR920**(%%):   LT with frequency bands KR920
--* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
--* (% style="color:red" %)**AS923**(%%):   LT with frequency bands AS923
--* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
--* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
--* (% style="color:red" %)**IN865**(%%):   LT with frequency bands IN865
--* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
++* (% style="color:red" %)**EU433**(%%): LT with frequency bands EU433
++* (% style="color:red" %)**EU868**(%%): LT with frequency bands EU868
++* (% style="color:red" %)**KR920**(%%): LT with frequency bands KR920
++* (% style="color:red" %)**CN470**(%%): LT with frequency bands CN470
++* (% style="color:red" %)**AS923**(%%): LT with frequency bands AS923
++* (% style="color:red" %)**AU915**(%%): LT with frequency bands AU915
++* (% style="color:red" %)**US915**(%%): LT with frequency bands US915
++* (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
++* (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
--= 9. Packing Info =
++= 9. Package information =
--**Package Includes**:
--* LT-22222-L I/O Controller x 1
--* Stick Antenna for LoRa RF part x 1
--* Bracket for controller x1
--* Program cable x 1
++**Package includes**:
++* 1 x LT-22222-L I/O Controller
++* 1 x LoRa antenna matched to the frequency of the LT-22222-L
++* 1 x bracket for DIN rail mounting
++* 1 x 3.5 mm programming cable
++
  **Dimension and weight**:
  * Device Size: 13.5 x 7 x 3 cm
--* Device Weight: 105g
++* Device Weight: 105 g
  * Package Size / pcs : 14.5 x 8 x 5 cm
--* Weight / pcs : 170g
++* Weight / pcs : 170 g
++
  = 10. Support =
  * (((
--Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
++Support is available Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different time zones, we cannot offer live support. However, your questions will be answered as soon as possible within the aforementioned schedule.
  )))
  * (((
--Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[Support@dragino.cc>>mailto:Support@dragino.cc]]
++Please provide as much information as possible regarding your inquiry (e.g., product models, a detailed description of the problem, steps to replicate it, etc.) and send an email to [[support@dragino.cc>>mailto:support@dragino.cc]]
--
  )))

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