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

Last modified by Saxer Lin on 2025/04/15 17:24

From version < 199.1 >

edited by Dilisi S
on 2024/11/17 20:25

To version < 205.1 >

edited by Dilisi S
on 2024/11/19 21:19

Change comment: Nov 19 edits - part 1

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- dragino-ttn-te.jpg
- lorawan-nw.jpg

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@@ -40,7 +40,7 @@
  (((
  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.
@@ -50,11 +50,14 @@
  )))
  (((
--[[image:1653295757274-912.png]]
--
++
++The network diagram below shows how the LT-22222-L is connected to a typical LoRaWAN network.
  )))
++(% class="wikigeneratedid" %)
++[[image:lorawan-nw.jpg||height="354" width="900"]]
++
  == 1.2 Specifications ==
  (% style="color:#037691" %)**Hardware System:**
@@ -115,6 +115,22 @@
  * Smart cities
  * Smart factory
++== 1.5 Hardware Variants ==
++
++(% style="width:524px" %)
++|(% style="width:94px" %)**Model**|(% style="width:98px" %)**Photo**|(% style="width:329px" %)**Description**
++|(% style="width:94px" %)**LT33222-L**|(% style="width:98px" %)(((
++
++)))|(% style="width:329px" %)(((
++* 2 x Digital Input (Bi-direction)
++* 2 x Digital Output
++* 2 x Relay Output (5A@250VAC / 30VDC)
++* 2 x 0~~20mA Analog Input (res:0.01mA)
++* 2 x 0~~30V Analog Input (res:0.01v)
++* 1 x Counting Port
++)))
++
++
  == 2. Assembling the device ==
  == 2.1 Connecting the antenna ==
@@ -155,11 +155,11 @@
  |(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
  |(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
--== 2.3 Powering the device ==
++== 2.3 Connecting LT-22222-L to a Power Source ==
--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.
++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.
--Once powered, 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. The **TX LED** will be on for **5 seconds** after joining the network. When there is a **downlink** message from the server, the **RX LED** 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.
++Once powered, the **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** with the Network Server.
  {{warning}}
  We recommend that you power on the LT-22222-L after configuring its registration information with a LoRaWAN network server. Otherwise, the device will continuously send join-request messages to attempt to join a LoRaWAN network but will fail.
@@ -169,35 +169,45 @@
  [[image:1653297104069-180.png]]
--= 3. Registering with a LoRaWAN Network Server =
++= 3. Registering LT-22222-L with a LoRaWAN Network Server =
--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.
++By default, the LT-22222-L is configured to operate in LoRaWAN Class C mode. It 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.
--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 LED** 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.
--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.
--The network diagram below shows how the LT-22222-L is connected to a typical LoRaWAN network.
--
--[[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 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.
++Make sure you have the device registration information such as DevEUI, AppEUI, and AppKey with you. 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 Registering with The Things Stack ===
++{{info}}
  The Things Stack Sandbox was formally called The Things Stack Community Edition.
++{{/info}}
--* Log in to your [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] account.
++
++The network diagram below shows how the LT-22222-L is connected to The Things Stack and integrates its data with the ThingsEye IoT platform.
++
++[[image:dragino-ttn-te.jpg]]
++
++
++* Create a free account with [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] if you do not have a 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.
  * Go to your application 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:
++
  ==== 3.2.2.1 Using the LoRaWAN Device Repository ====
  * On the **Register end device** page:
@@ -210,6 +210,7 @@
  *** **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"]]
@@ -259,14 +259,17 @@
  On the Device overview page, click on **Live data** tab. The Live data panel for your device will display.
--Now power on your LT-22222-L. It will begin joining The Things Stack. 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"]]
--By default, you will receive an uplink data message from the device every 10 minutes.
++==== 3.2.2.4 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]]
@@ -281,6 +281,11 @@
  [[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]]
++==== 3.2.2.4 Uplinks ====
++
++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 ==
@@ -556,13 +556,13 @@
  )))
  (((
--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)**
@@ -977,7 +977,7 @@
  (% 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
++**prefix** : 0x0A 06 (two bytes in hexadecimal)
  **working mode** : enable (1) or disable (0), represented by 1 byte in hexadecimal.
  )))
@@ -999,7 +999,7 @@
  (% border="2" style="width:500px" %)
  |(% style="width:95px" %)**Payload**|(% style="width:403px" %)<prefix>
--|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)**prefix **: AB 06
++|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)**prefix **: AB 06 (two bytes in hexadecimal)
  |(% style="width:95px" %)**Example**|(% style="width:403px" %)(((
  AB 06
@@ -1040,7 +1040,7 @@
  (% 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
++**prefix :** AA 02 (two bytes in hexadecimal)
  **DI1_trigger:**
@@ -1064,20 +1064,7 @@
  Sets DI1 or DI3 (for LT-33222-L) as a trigger.
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
--(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
--
--(% style="color:red" %)**b :** (%%)delay timing.
--
--**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
--
--
--* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
--
--(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%)    ~/~/ same as AT+TRIG1=aa,0x(bb cc)
--
--
  (% style="color:#037691" %)**AT Command**
  (% border="2" style="width:500px" %)
@@ -1100,7 +1100,7 @@
  (% 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
++**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.
@@ -1116,20 +1116,7 @@
  Sets DI2 as a trigger.
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
--(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
--
--(% style="color:red" %)**b :** (%%)delay timing.
--
--**Example:** AT+TRIG2=0,100 (Set the DI1 port to trigger on a falling edge; the valid signal duration is 100 ms)
--
--
--* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
--
--(% style="color:blue" %)**0x09 02 aa bb cc   **  (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
--
--
  (% style="color:#037691" %)**AT Command**
  (% border="2" style="width:500px" %)
@@ -1151,7 +1151,7 @@
  (% 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
++**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.
@@ -1159,16 +1159,12 @@
  )))
  |(% 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:**(%%) (% style="color:blue" %)**AT+ACLIM**
--
--* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
--
--(% 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" %)**AT Command**
  (% border="2" style="width:500px" %)
@@ -1177,13 +1177,13 @@
  )))
  |(% 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 / threshold
++**AC1_LIMIT_LOW** : lower limit of the current to be checked
--**AC1_LIMIT_HIGH **: higher limit of the current to be checked / threshold
++**AC1_LIMIT_HIGH **: higher limit of the current to be checked
--**AC2_LIMIT_HIGH **: lower limit of the current to be checked / threshold
++**AC2_LIMIT_HIGH **: lower limit of the current to be checked
--**AC2_LIMIT_LOW** : higher limit of the current to be checked / threshold
++**AC2_LIMIT_LOW** : higher limit of the current to be checked
  )))
  |(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
  AT+ACLIM=10000,15000,0,0
@@ -1190,6 +1190,7 @@
  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**
@@ -1196,15 +1196,15 @@
  (% 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 - two bytes in hexadecimal
++**prefix **: AA 01 (hexadecimal)
--**AC1_LIMIT_LOW** : lower limit of the current to be checked / threshold, two bytes in 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 / threshold, 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 / threshold, 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 / threshold, 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
@@ -1211,69 +1211,121 @@
  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 ====
  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
++
++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**
++
  (% 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 / threshold, two bytes in hexadecimal
++|(% 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)
--**AC1_LIMIT_HIGH **: higher limit of the current to be checked / threshold, two bytes in hexadecimal
++**AV1_LIMIT_LOW** : lower limit of the voltage to be checked, two bytes in hexadecimal
--**AC2_LIMIT_HIGH **: lower limit of the current to be checked / threshold, two bytes in hexadecimal
++**AV1_LIMIT_HIGH **: higher limit of the voltage to be checked, two bytes in hexadecimal
--**AC2_LIMIT_LOW** : higher limit of the current to be checked / threshold, two bytes in hexadecimal
++**AV2_LIMIT_HIGH **: lower limit of the voltage to be checked, two bytes in hexadecimal
++
++**AV2_LIMIT_LOW** : higher limit of the voltage to be checked, two bytes in hexadecimal
  )))
--|(% style="width:104px" %)Example|(% style="width:387px" %)
++|(% 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 AV and AC trigger minimum interval.  Device won't response to the second trigger within this set time after the first trigger.
++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**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
++(% style="color:#037691" %)**AT Command**
--* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
++(% 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
--(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
--
--(((
--(% style="color:red" %)**Note: ATDC setting must be more than 5min**
++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 ====
  Controls the digital outputs DO1, DO2, and DO3
--* (% style="color:#037691" %)**AT Command**
++(% 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 0x02)**
++(% style="color:#037691" %)**Downlink Payload**
--(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
++(% 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)
--(((
--If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
++**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**
@@ -1283,15 +1283,18 @@
  )))
  (((
--(% 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 ====
@@ -1316,7 +1316,7 @@
 : DO pins will change to an inverter state after timeout
--(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
++(% style="color:#4f81bd" %)**Third 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**
@@ -1324,7 +1324,7 @@
  |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**
@@ -1332,7 +1332,7 @@
  |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**
@@ -1340,16 +1340,16 @@
  |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" %)**Device will upload a packet if the downlink code executes successfully.**
  **Example payload:**
@@ -1356,22 +1356,21 @@
  **~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 ====
@@ -1386,11 +1386,11 @@
  (((
--If payload = 0x030100, it means set RO1 to close and RO2 to open.
++If 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**
@@ -1407,9 +1407,9 @@
  (% style="color:red" %)**Device will upload a packet if 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:**
@@ -1421,15 +1421,15 @@
  (% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
--This is to control the relay output time of relay. Include four bytes:
++This is to control the relay output time. It includes four bytes:
  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
  (% 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:
@@ -1442,12 +1442,12 @@
  (% 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" %)**Device will upload a packet if the downlink code executes successfully.**
  **Example payload:**
@@ -1454,19 +1454,19 @@
  **~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.
@@ -1473,7 +1473,7 @@
  ==== 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"]]
@@ -1482,15 +1482,76 @@
  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
++(% style="color:#037691" %)**AT Command**
++(% 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
++
++**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 feature 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:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
--(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
++(% style="color:red" %)**bb cc dd ee: **(%%)The number to be set
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
@@ -1498,12 +1498,55 @@
  (% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
++(% style="color:#037691" %)**AT Command**
--==== 3.4.2.18 Counting ~-~- Clear Counting ====
++(% 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** :
++1: COUNT1
--Clear counting for counting mode
++2: COUNT2
++3: AVI1 Count
++
++**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 feature clears the counting in counting mode.
++
  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
@@ -1510,14 +1510,30 @@
  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
++(% style="color:#037691" %)**AT Command**
++(% 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**
++
++(% 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 ~-~- Change counting mode to save time ====
++This feature 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: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)
++(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Sets the save time to 60 seconds. The device will save the counting result in internal flash every 60 seconds. (Min value: 30 seconds)
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
@@ -1525,7 +1525,7 @@
  (% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
  (((
--range: aa bb cc:0 to 16777215,  (unit:second)
++Range: aa bb cc:0 to 16777215,  (unit: seconds)
  )))
@@ -1532,12 +1532,13 @@
  ==== 3.4.2.20 Reset save RO DO state ====
++This feature 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:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
--(% 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.
++(% 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 will not change when the device reconnects to the network.
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
@@ -1548,6 +1548,7 @@
  ==== 3.4.2.21 Encrypted payload ====
++This feature 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:#037691" %)**AT Command:**
@@ -1562,9 +1562,9 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
++(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port retrieves the reading of the current sensor.
--(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
++(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port retrieves the current sensor reading and uploads it.
@@ -1754,7 +1754,7 @@
  == 3.6 Interface Details ==
--=== 3.6.1 Digital Input Ports: DI1/DI2/DI3 (For LT-33222-L, Low Active ) ===
++=== 3.6.1 Digital Input Ports: DI1/DI2/DI3 (For LT-33222-L, Low Active) ===
  Supports NPN-type sensors.

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

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