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

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

From 121.1 to 120.1 From 138.1 to 137.2

From version 137.2

edited by Dilisi S
on 2024/10/30 02:28

Change comment: There is no comment for this version

To version 121.1

edited by Bei Jinggeng
on 2023/06/08 10:17

Change comment: Uploaded new attachment "image-20230608101722-3.png", version {1}

Raw
Rendered

Summary

Page properties (3 modified, 0 added, 0 removed)
Attachments (0 modified, 0 added, 2 removed)
- image-20230616235145-1.png
- image-20240219115718-1.png

Details

Page properties

Title

@@ -1,1 +1,1 @@
--LT-22222-L -- LoRa IO Controller User Manual
++LT-22222-L LoRa IO Controller User Manual

Author

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

Content

@@ -3,10 +3,6 @@
--
--
--
--
  **Table of Contents:**
  {{toc/}}
@@ -25,28 +25,30 @@
  (((
--(% 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 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. The LT-22222-L simplifies and enhances I/O monitoring and controlling.
++The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
++)))
++)))
--The Dragino LT-22222-L I/O Controller 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.
++(((
++The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
  )))
++
++(((
++The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
  )))
  (((
--With the LT-22222-L I/O Controller, users can transmit data over ultra-long distances with low power consumption using LoRa, a spread-spectrum modulation technique derived from chirp spread spectrum (CSS) technology that operates on license-free ISM bands.
++The use environment includes:
  )))
  (((
--(% style="line-height:1.38; margin-top:16px; margin-bottom:16px" %)
--The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
++1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
  )))
  (((
--(% style="line-height:1.38; margin-top:16px; margin-bottom:16px" %)
--(% 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" %)You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
++2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
--* (% 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" %)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.
--* (% 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" %)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.
--* (% 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" %)Setup your own private LoRaWAN network.
++
  )))
  (((
@@ -55,71 +55,166 @@
  )))
--== 1.2 Specifications ==
++== 1.2  Specifications ==
++(((
++
++
  (% style="color:#037691" %)**Hardware System:**
++)))
--* STM32L072xxxx MCU
--* SX1276/78 Wireless Chip
--* Power Consumption:
--** Idle: 4mA@12v
--** 20dB Transmit: 34mA@12v
--* Operating Temperature: -40 ~~ 85 Degree, No Dew
++* (((
++STM32L072xxxx MCU
++)))
++* (((
++SX1276/78 Wireless Chip
++)))
++* (((
++(((
++Power Consumption:
++)))
++* (((
++Idle: 4mA@12v
++)))
++* (((
++20dB Transmit: 34mA@12v
++)))
++)))
++
++(((
++
++
  (% 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 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)
--* 2 x 0~~30V Analog Input (res:0.01v)
--* Power Input 7~~ 24V DC.
++* (((
++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)
++)))
++* (((
++2 x 0~~30V Analog Input (res:0.01v)
++)))
++* (((
++Power Input 7~~ 24V DC.
++)))
++(((
++
++
  (% style="color:#037691" %)**LoRa Spec:**
++)))
--* Frequency Range:
--** 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.
--* Programmable bit rate up to 300 kbps.
--* High sensitivity: down to -148 dBm.
--* Bullet-proof front end: IIP3 = -12.5 dBm.
--* Excellent blocking immunity.
--* Low RX current of 10.3 mA, 200 nA register retention.
--* Fully integrated synthesizer with a resolution of 61 Hz.
--* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
--* Built-in bit synchronizer for clock recovery.
--* Preamble detection.
--* 127 dB Dynamic Range RSSI.
--* Automatic RF Sense and CAD with ultra-fast AFC.
--* Packet engine up to 256 bytes with CRC.
++* (((
++(((
++Frequency Range:
++)))
++* (((
++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.
++)))
++* (((
++Programmable bit rate up to 300 kbps.
++)))
++* (((
++High sensitivity: down to -148 dBm.
++)))
++* (((
++Bullet-proof front end: IIP3 = -12.5 dBm.
++)))
++* (((
++Excellent blocking immunity.
++)))
++* (((
++Low RX current of 10.3 mA, 200 nA register retention.
++)))
++* (((
++Fully integrated synthesizer with a resolution of 61 Hz.
++)))
++* (((
++FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
++)))
++* (((
++Built-in bit synchronizer for clock recovery.
++)))
++* (((
++Preamble detection.
++)))
++* (((
++127 dB Dynamic Range RSSI.
++)))
++* (((
++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
++
  * Optional Customized LoRa Protocol
++
  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
++
  * AT Commands to change parameters
++
  * Remote configure parameters via LoRa Downlink
++
  * Firmware upgradable via program port
++
  * Counting
--== 1.4 Applications ==
++
++== 1.4  Applications ==
++
++
  * 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**
++(% border="1" style="background-color:#f2f2f2; width:500px" %)
++|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
  (% style="text-align:center" %)
  [[image:image-20230424115112-1.png||height="106" width="58"]]
@@ -132,12 +132,21 @@
  * 1 x Counting Port
  )))
++
++
  = 2. Power ON Device =
++
++(((
  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
++)))
++(((
  PWR will on when device is properly powered.
++
++)))
++
  [[image:1653297104069-180.png]]
@@ -196,6 +196,7 @@
  [[image:1653298023685-319.png]]
++
  (((
  (% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
@@ -211,17 +211,14 @@
  There are five working modes + one interrupt mode on LT for different type application:
  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
--
  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
--
  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
--
  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
--
  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
--
  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
++
++
  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
@@ -228,16 +228,20 @@
  (((
  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
--(% 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**
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
++|**Size(bytes)(% style="display:none" %) (%%)**|**2**|**2**|**2**|**2**|**1**|**1**|**1**
  |Value|(((
--AVI1 voltage
++AVI1
++voltage
  )))|(((
--AVI2 voltage
++AVI2
++voltage
  )))|(((
--ACI1 Current
++ACI1
++Current
  )))|(((
--ACI2 Current
++ACI2
++Current
  )))|DIDORO*|(((
  Reserve
  )))|MOD
@@ -244,14 +244,17 @@
  )))
  (((
++
++
  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
  |RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
  )))
--* RO is for relay. ROx=1 : close, ROx=0 always open.
++
++* RO is for relay. ROx=1 : close，ROx=0 always open.
  * DI is for digital input. DIx=1: high or float, DIx=0: low.
  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
@@ -262,7 +262,7 @@
  **The value for the interface is:  **
--AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
++AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
  AVI2 channel voltage is 0x04AC/1000=1.196V
@@ -290,6 +290,8 @@
  ** DO1 is high in case there is load between DO1 and V+.
  ** DO1 LED is off in both case
++
++
  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
@@ -300,21 +300,25 @@
  (((
  Total : 11 bytes payload
--(% 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**
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
++|**Size(bytes)**|**4**|**4**|**1**|**1**|**1**
  |Value|COUNT1|COUNT2 |DIDORO*|(((
--Reserve
++Reserve
++
++
  )))|MOD
  )))
  (((
++
++
  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
--RO is for relay. ROx=1 : close , ROx=0 always open.
++RO is for relay. ROx=1 : close，ROx=0 always open.
  )))
  * FIRST: Indicate this is the first packet after join network.
@@ -322,32 +322,39 @@
  (((
  (% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
--
--
  )))
  (((
++
++
  **To use counting mode, please run:**
  )))
--(((
  (% class="box infomessage" %)
  (((
++(((
++(((
  **AT+MOD=2**
++)))
++(((
  **ATZ**
  )))
  )))
++)))
  (((
  (% style="color:#4f81bd" %)**AT Commands for counting:**
++
++
  )))
  (((
  **For LT22222-L:**
++
  (% style="color:blue" %)**AT+TRIG1=0,100**(%%)**    (set DI1 port to trigger on low level, valid signal is 100ms) **
  (% style="color:blue" %)**AT+TRIG1=1,100**(%%)**    (set DI1 port to trigger on high level, valid signal is 100ms ) **
@@ -367,8 +367,8 @@
  **LT22222-L**: This mode the DI1 is used as a counting pin.
--(% 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" %)**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**
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
++|**Size(bytes)**|**4**|**2**|**2**|**1**|**1**|**1**
  |Value|COUNT1|(((
  ACI1 Current
  )))|(((
@@ -376,14 +376,17 @@
  )))|DIDORO*|Reserve|MOD
  (((
++
++
  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
  )))
--* RO is for relay. ROx=1 : close, ROx=0 always open.
++
++* RO is for relay. ROx=1 : close，ROx=0 always open.
  * FIRST: Indicate this is the first packet after join network.
  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
@@ -396,14 +396,18 @@
  **To use counting mode, please run:**
  )))
--(((
  (% class="box infomessage" %)
  (((
++(((
++(((
  **AT+MOD=3**
++)))
++(((
  **ATZ**
  )))
  )))
++)))
  (((
  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
@@ -420,51 +420,63 @@
  (((
  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
--(% 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**
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
++|**Size(bytes)**|**4**|**4**|**1**|**1**|**1**
  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
  Reserve
++
++
  )))|MOD
  )))
++
  (((
  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
  )))
--* RO is for relay. ROx=1 : close, ROx=0 always open.
++
++* RO is for relay. ROx=1 : close，ROx=0 always open.
  * FIRST: Indicate this is the first packet after join network.
  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
  (((
  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
--
--
  )))
  (((
++
++
  **To use this mode, please run:**
  )))
--(((
  (% class="box infomessage" %)
  (((
++(((
++(((
  **AT+MOD=4**
++)))
++(((
  **ATZ**
  )))
  )))
++)))
++
  (((
  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
  )))
  (((
++
++
  **Plus below command for AVI1 Counting:**
++
  (% style="color:blue" %)**AT+SETCNT=3,60**(%%)**            (set AVI Count to 60)**
  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**       (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
@@ -480,27 +480,32 @@
  **LT22222-L**: This mode the DI1 is used as a counting pin.
--(% 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**
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
++|**Size(bytes)**|**2**|**2**|**2**|**2**|**1**|**1**|**1**
  |Value|(((
--AVI1 voltage
++AVI1
++voltage
  )))|(((
--AVI2 voltage
++AVI2
++voltage
  )))|(((
--ACI1 Current
++ACI1
++Current
  )))|COUNT1|DIDORO*|(((
  Reserve
  )))|MOD
  (((
++
++
  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
  )))
--* RO is for relay. ROx=1 : close, ROx=0 always open.
++* RO is for relay. ROx=1 : close，ROx=0 always open.
  * FIRST: Indicate this is the first packet after join network.
  * (((
  DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
@@ -511,17 +511,23 @@
  )))
  (((
++
++
  **To use this mode, please run:**
  )))
--(((
  (% class="box infomessage" %)
  (((
++(((
++(((
  **AT+MOD=5**
++)))
++(((
  **ATZ**
  )))
  )))
++)))
  (((
  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
@@ -616,38 +616,51 @@
  MOD6 Payload : total 11 bytes payload
--(% border="1" cellspacing="4" 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**
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
++|**Size(bytes)**|**1**|**1**|**1**|**6**|**1**|**1**
  |Value|(((
--TRI_A FLAG
++TRI_A
++FLAG
  )))|(((
--TRI_A Status
++TRI_A
++Status
  )))|(((
--TRI_DI FLAG+STA
++TRI_DI
++FLAG+STA
  )))|Reserve|Enable/Disable MOD6|(((
--MOD(6)
++MOD
++(6)
  )))
++
  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
  |(((
--AV1_LOW
++AV1_
++LOW
  )))|(((
--AV1_HIGH
++AV1_
++HIGH
  )))|(((
--AV2_LOW
++AV2_
++LOW
  )))|(((
--AV2_HIGH
++AV2_
++HIGH
  )))|(((
--AC1_LOW
++AC1_
++LOW
  )))|(((
--AC1_HIGH
++AC1_
++HIGH
  )))|(((
--AC2_LOW
++AC2_
++LOW
  )))|(((
--AC2_HIGH
++AC2_
++HIGH
  )))
  * Each bits shows if the corresponding trigger has been configured.
@@ -659,24 +659,32 @@
  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
  |(((
--AV1_LOW
++AV1_
++LOW
  )))|(((
--AV1_HIGH
++AV1_
++HIGH
  )))|(((
--AV2_LOW
++AV2_
++LOW
  )))|(((
--AV2_HIGH
++AV2_
++HIGH
  )))|(((
--AC1_LOW
++AC1_
++LOW
  )))|(((
--AC1_HIGH
++AC1_
++HIGH
  )))|(((
--AC2_LOW
++AC2_
++LOW
  )))|(((
--AC2_HIGH
++AC2_
++HIGH
  )))
  * Each bits shows which status has been trigger on this uplink.
@@ -688,7 +688,7 @@
  (% 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" %)
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
  |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
@@ -736,6 +736,8 @@
  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
++
++
  === 3.4.1 Common Commands ===
@@ -770,10 +770,14 @@
  Set work mode.
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
++* (% style="color:#037691" %)**AT Command:**
++(% style="color:blue" %)**AT+MOD=N  **
++
++
  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
++
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
  (% style="color:blue" %)**0x0A aa  **(%%)**  ** ~/~/ Same as AT+MOD=aa
@@ -783,12 +783,16 @@
  ==== 3.4.2.3 Poll an uplink ====
--* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
++* (% style="color:#037691" %)**AT Command:**
++There is no AT Command to poll uplink
++
++
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
  (% style="color:blue" %)**0x08 FF  **(%%)**   **~/~/ Poll an uplink
++
  **Example**: 0x08FF, ask device to send an Uplink
@@ -798,8 +798,10 @@
  Use of trigger mode, please check [[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:blue" %)**AT+ADDMOD6=1 or 0**
++
  (% style="color:red" %)**1:** (%%)Enable Trigger Mode
  (% style="color:red" %)**0: **(%%)Disable Trigger Mode
@@ -814,12 +814,13 @@
  ==== 3.4.2.5 Poll trigger settings ====
--Poll trigger settings
++Poll trigger settings,
  * (% style="color:#037691" %)**AT Command:**
  There is no AT Command for this feature.
++
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
  (% style="color:blue" %)**0xAB 06  **  (%%)   ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
@@ -831,11 +831,15 @@
  Enable Disable DI1/DI2/DI2 as 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)
++(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
++**Example:**
++
++AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
++
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
  (% style="color:blue" %)**0xAA 02 aa bb   **  (%%) ~/~/ Same as AT+DTRI=aa,bb
@@ -847,15 +847,20 @@
  Set DI1 or DI3(for LT-33222-L) trigger.
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
++* (% 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 )
++**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)
@@ -867,15 +867,20 @@
  Set DI2 trigger.
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
++* (% 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 DI1 port to trigger on low level, valid signal is 100ms )
++**Example:**
++AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
++
++
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
  (% style="color:blue" %)**0x09 02 aa bb cc   **  (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
@@ -887,8 +887,11 @@
  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
++* (% 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"]]
@@ -900,8 +900,11 @@
  Set current trigger , base on AV port. See [[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:blue" %)**AT+AVLIM    **(%%)**        See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
++
++
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
  (% 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"]]
@@ -913,13 +913,18 @@
  Set AV and AC trigger minimum interval, system won't response to the 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:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
++
++
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
  (% 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**
  )))
@@ -934,9 +934,8 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
++* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
--(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
--
  (((
  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
  )))
@@ -944,13 +944,14 @@
  (((
 : 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**
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
++|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**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
  )))
++
  (((
  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
  )))
@@ -988,7 +988,7 @@
  (% 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**
++|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
  |0x01|DO1 set to low
  |0x00|DO1 set to high
  |0x11|DO1 NO Action
@@ -996,7 +996,7 @@
  (% style="color:#4f81bd" %)**Fourth 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**
++|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
  |0x01|DO2 set to low
  |0x00|DO2 set to high
  |0x11|DO2 NO Action
@@ -1004,7 +1004,7 @@
  (% style="color:#4f81bd" %)**Fifth 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**
++|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
  |0x01|DO3 set to low
  |0x00|DO3 set to high
  |0x11|DO3 NO Action
@@ -1018,6 +1018,7 @@
     Before Firmwre v1.6.0 the latch time only suport 2 bytes.
++
  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
@@ -1041,7 +1041,7 @@
--==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
++==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
  * (% style="color:#037691" %)**AT Command:**
@@ -1059,10 +1059,10 @@
  )))
  (((
--00: Close ,  01: Open , 11: No action
++01: Close ,  00: 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**
++|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
  |03  00  11|Open|No Action
  |03  01  11|Close|No Action
  |03  11  00|No Action|Open
@@ -1073,6 +1073,10 @@
  |03  00  01|Open|Close
  )))
++(((
++
++)))
++
  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
@@ -1144,8 +1144,11 @@
  When voltage exceed the threshold, count. Feature 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:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
++
++
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
@@ -1155,8 +1155,10 @@
  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
++* (% 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
@@ -1173,8 +1173,11 @@
  Clear counting for counting mode
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
++* (% style="color:#037691" %)**AT Command:**
++(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
++
++
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
@@ -1333,6 +1333,7 @@
  [[image:1653356838789-523.png||height="337" width="740"]]
++
  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
  [[image:image-20220524094909-1.png||height="335" width="729"]]
@@ -1364,12 +1364,12 @@
  (((
--The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
++The DI port of LT-22222-L can support NPN or PNP output sensor.
  )))
  (((
  (((
--Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
++Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high.
  )))
@@ -1477,19 +1477,6 @@
  )))
--(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
--
--From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
--
--To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
--
--[[image:image-20230616235145-1.png]]
--
--(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
--
--[[image:image-20240219115718-1.png]]
--
--
  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
@@ -1523,6 +1523,7 @@
  **Black:   GND**
++
  **Connection diagram:**
  [[image:1653357640609-758.png]]
@@ -1530,22 +1530,6 @@
  [[image:1653357648330-671.png||height="155" width="733"]]
--Example connected to a regulated power supply to measure voltage
--
--[[image:image-20230608101532-1.png||height="606" width="447"]]
--
--[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
--
--[[image:image-20230608101722-3.png||height="102" width="1139"]]
--
--
--(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
--
--(% style="color:red" %)**Red:      12~~24v**
--
--**Black:   GND**
--
--
  === 3.6.5 Relay Output ===
@@ -1564,9 +1564,12 @@
  == 3.7 LEDs Indicators ==
--(% 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**
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
++|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
  |**PWR**|Always on if there is power
++|**SYS**|(((
++After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
++)))
  |**TX**|(((
  (((
  Device boot: TX blinks 5 times.
@@ -1581,17 +1581,23 @@
  )))
  )))
  |**RX**|RX blinks once when receive a packet.
--|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
--|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
--|**DI1**|(((
--For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
++|**DO1**|
++|**DO2**|
++|**DO3**|
++|**DI2**|(((
++For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
  )))
  |**DI2**|(((
--For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
++For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
  )))
--|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
--|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
++|**DI2**|(((
++For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
++)))
++|**RO1**|
++|**RO2**|
++
++
  = 4. Use AT Command =
  == 4.1 Access AT Command ==
@@ -1601,6 +1601,10 @@
  LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
  )))
++(((
++
++)))
++
  [[image:1653358238933-385.png]]
@@ -1919,6 +1919,8 @@
  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.**
++
++
  )))
  (((
@@ -1925,6 +1925,9 @@
  [[image:1653359097980-169.png||height="188" width="729"]]
  )))
++(((
++
++)))
  === 4.2.3 Change to Class A ===
@@ -1932,9 +1932,8 @@
  (((
  (% style="color:blue" %)**If sensor JOINED:**
--(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
--
--(% style="background-color:#dcdcdc" %)**ATZ**
++(% style="background-color:#dcdcdc" %)**AT+CLASS=A
++ATZ**
  )))
@@ -1964,7 +1964,7 @@
  (((
  (% style="color:blue" %)**Step1**(%%)**:** Download [[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]].
--(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
++(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
@@ -1987,6 +1987,7 @@
  (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
++
  [[image:1653360054704-518.png||height="186" width="745"]]
@@ -2050,21 +2050,13 @@
  (((
  (% style="background-color:#dcdcdc" %)**123456** (%%)   :   Enter Password to have AT access.
--
  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)   :   Reset Parameters to Factory Default, Keys Reserve
--
  (% 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+DR=5** (%%)    :   Set Data Rate (Set AT+DR=3 for 915 band)
--
  (% 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+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
--
  (% style="background-color:#dcdcdc" %)**ATZ**        (%%)                              :  Reset MCU
  )))
@@ -2076,7 +2076,7 @@
  [[image:1653360498588-932.png||height="485" width="726"]]
--== 6.4 How to change the uplink interval? ==
++== 6.4 How to change the uplink interval？ ==
  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/]]
@@ -2125,12 +2125,6 @@
  Firmware version needs to be no less than 1.6.0.
--== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
--
--
--It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
--
--
  = 7. Trouble Shooting =
  )))
@@ -2171,13 +2171,6 @@
  )))
--== 7.4 Why can LT22222 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"]]
--
--
  = 8. Order Info =
@@ -2195,6 +2195,8 @@
  * (% style="color:red" %)**IN865**(%%):   LT with frequency bands IN865
  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
++
++
  = 9. Packing Info =
@@ -2212,6 +2212,8 @@
  * Package Size / pcs : 14.5 x 8 x 5 cm
  * Weight / pcs : 170g
++
++
  = 10. Support =

image-20230616235145-1.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Edwin

Size

...	...	@@ -1,1 +1,0 @@
1		-19.4 KB

Content

image-20240219115718-1.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Edwin

Size

...	...	@@ -1,1 +1,0 @@
1		-27.7 KB

Content