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 < 109.1 >

edited by Edwin Chen
on 2022/11/19 11:32

To version < 90.7 >

edited by Xiaoling
on 2022/08/18 13:38

Change comment: There is no comment for this version

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Author

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

Content

@@ -15,16 +15,13 @@
  = 1.Introduction =
--
  == 1.1 What is LT Series I/O Controller ==
  (((
--(((
  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 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, smartphone detection, building automation, and so on.
@@ -39,7 +39,7 @@
  )))
  (((
--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.
++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.
  )))
  (((
@@ -60,11 +60,11 @@
  (((
--(% style="color:#037691" %)**Hardware System:**
++**Hardware System:**
  )))
  * (((
--STM32L072xxxx MCU
++STM32L072CZT6 MCU
  )))
  * (((
  SX1276/78 Wireless Chip
@@ -85,7 +85,7 @@
  (((
--(% style="color:#037691" %)**Interface for Model: LT22222-L:**
++**Interface for Model: LT22222-L:**
  )))
  * (((
@@ -110,7 +110,7 @@
  (((
--(% style="color:#037691" %)**LoRa Spec:**
++**LoRa Spec:**
  )))
  * (((
@@ -180,12 +180,14 @@
  * LoRaWAN Class A & Class C protocol
  * Optional Customized LoRa Protocol
--* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
++* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
  * AT Commands to change parameters
  * Remote configure parameters via LoRa Downlink
  * Firmware upgradable via program port
  * Counting
++
++
  == 1.4  Applications ==
@@ -196,6 +196,8 @@
  * Smart Cities
  * Smart Factory
++
++
  == 1.5 Hardware Variants ==
@@ -210,17 +210,14 @@
  * 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]]
@@ -229,7 +229,6 @@
  = 3. Operation Mode =
--
  == 3.1 How it works? ==
@@ -274,12 +274,12 @@
  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
--**Add APP EUI in the application.**
++Add APP EUI in the application.
  [[image:1653297955910-247.png||height="321" width="716"]]
--**Add APP KEY and DEV EUI**
++Add APP KEY and DEV EUI
  [[image:1653298023685-319.png]]
@@ -287,8 +287,6 @@
  (((
  (% 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.
--
--
  )))
  [[image:1653298044601-602.png||height="405" width="709"]]
@@ -307,12 +307,12 @@
  * (% 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 ===
--(((
  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
--)))
  [[image:image-20220523174024-3.png]]
@@ -328,7 +328,7 @@
  * 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.
--(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
++(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
  For example if payload is: [[image:image-20220523175847-2.png]]
@@ -363,12 +363,12 @@
  ** 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) ===
--(((
  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
--)))
  (((
  Total : 11 bytes payload
@@ -388,7 +388,7 @@
  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
  (((
--(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
++(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
  )))
  (((
@@ -400,22 +400,16 @@
  (% class="box infomessage" %)
  (((
  (((
--(((
  **AT+MOD=2**
--)))
--(((
  **ATZ**
  )))
  )))
--)))
  (((
  (% style="color:#4f81bd" %)**AT Commands for counting:**
--
--
  )))
  (((
@@ -457,7 +457,7 @@
  * 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.**
++(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
  )))
@@ -468,15 +468,11 @@
  (% class="box infomessage" %)
  (((
  (((
--(((
  **AT+MOD=3**
--)))
--(((
  **ATZ**
  )))
  )))
--)))
  (((
  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
@@ -487,13 +487,9 @@
  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
--(((
  **LT22222-L**: This mode the DI1 is used as a counting pin.
--)))
--(((
  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.
--)))
  [[image:image-20220523181903-8.png]]
@@ -509,7 +509,7 @@
  * 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.**
++(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
  )))
  (((
@@ -521,17 +521,14 @@
  (% class="box infomessage" %)
  (((
  (((
--(((
  **AT+MOD=4**
--)))
--(((
  **ATZ**
  )))
  )))
--)))
++
  (((
  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
  )))
@@ -573,7 +573,7 @@
  )))
  (((
--(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
++(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
  )))
  (((
@@ -585,15 +585,11 @@
  (% class="box infomessage" %)
  (((
  (((
--(((
  **AT+MOD=5**
--)))
--(((
  **ATZ**
  )))
  )))
--)))
  (((
  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
@@ -623,7 +623,6 @@
  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
--
  **Example:**
  AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v.  or AV2 voltage is higher than 2v, LT will trigger Uplink)
@@ -636,7 +636,6 @@
  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
--
  **Example:**
  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
@@ -655,7 +655,6 @@
  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
--
  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
@@ -704,7 +704,6 @@
  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
--
  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
  [[image:image-20220524090249-3.png]]
@@ -716,7 +716,6 @@
  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
--
  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
  [[image:image-20220524090456-4.png]]
@@ -730,7 +730,6 @@
  00000101: Means both DI1 and DI2 trigger are enabled.
--
  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
  Downlink command to poll MOD6 status:
@@ -746,7 +746,7 @@
  (((
--**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
++**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
  )))
@@ -754,26 +754,23 @@
  == 3.4 Configure LT via AT or Downlink ==
--(((
  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
--)))
  (((
--(((
  There are two kinds 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:#4f81bd" %)**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" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
++* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
++
++
++
  === 3.4.1 Common Commands ===
--(((
  They should be available for each of Dragino Sensors, 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]]
--)))
@@ -787,7 +787,7 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+TDC=N **
++**AT+TDC=N **
  **Example: **AT+TDC=30000. Means set interval to 30 seconds
@@ -795,10 +795,11 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
--(% style="color:blue" %)**0x01 aa bb cc  **(%%)**   ~/~/ Same as AT+TDC=0x(aa bb cc)**
++**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
++
  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
@@ -806,7 +806,7 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+MOD=N  **
++**AT+MOD=N  **
  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
@@ -814,10 +814,11 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
--(% style="color:blue" %)**0x0A aa  **(%%)**  ** ~/~/ Same as AT+MOD=aa
++**0x0A aa    ** ~/~/ Same as AT+MOD=aa
++
  ==== 3.4.2.3 Poll an uplink ====
@@ -828,13 +828,13 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
--(% style="color:blue" %)**0x08 FF  **(%%)**   **~/~/ Poll an uplink
++**0x08 FF     **~/~/ Poll an uplink
--
  **Example**: 0x08FF, ask device to send an Uplink
++
  ==== 3.4.2.4 Enable Trigger Mode ====
@@ -842,16 +842,16 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
++**AT+ADDMOD6=1 or 0**
--(% style="color:red" %)**1:** (%%)Enable Trigger Mode
++1: Enable Trigger Mode
--(% style="color:red" %)**0: **(%%)Disable Trigger Mode
++0: Disable Trigger Mode
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
--(% style="color:blue" %)**0x0A 06 aa    **(%%)    ~/~/ Same as AT+ADDMOD6=aa
++**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
@@ -868,10 +868,11 @@
  * (% 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
++**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
++
  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
@@ -879,7 +879,7 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
++**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
  **Example:**
@@ -888,10 +888,11 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
--(% style="color:blue" %)**0xAA 02 aa bb   **  (%%) ~/~/ Same as AT+DTRI=aa,bb
++**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
++
  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
@@ -899,11 +899,11 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+TRIG1=a,b**
++**AT+TRIG1=a,b**
--(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
++a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
--(% style="color:red" %)**b :** (%%)delay timing.
++b : delay timing.
  **Example:**
@@ -912,11 +912,10 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
++* **0x09 01 aa bb cc    **     ~/~/ same as AT+TRIG1=aa,0x(bb cc)
--(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%)    ~/~/ same as AT+TRIG1=aa,0x(bb cc)
--
  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
@@ -924,13 +924,14 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+TRIG2=a,b**
++**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.
++a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
++b : delay timing.
++
  **Example:**
  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
@@ -938,10 +938,11 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
--(% style="color:blue" %)**0x09 02 aa bb cc   **  (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
++**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
++
  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
@@ -949,15 +949,16 @@
  * (% style="color:#037691" %)**AT Command**
--(% style="color:blue" %)**AT+ACLIM**
++**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"]]
++**0x AA 01 aa bb cc dd ee ff gg hh        **   ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++
  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
@@ -965,15 +965,16 @@
  * (% style="color:#037691" %)**AT Command**
--(% style="color:blue" %)**AT+AVLIM    **(%%)**        See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
++**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"]]
++**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++
  ==== 3.4.2.11 Trigger – Set minimum interval ====
@@ -981,21 +981,22 @@
  * (% 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.
++**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)
++**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
  (((
--(% style="color:red" %)**Note: ATDC setting must be more than 5min**
++(% style="color:red" %)Note: ATDC setting must be more than 5min
  )))
++
  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
@@ -1005,7 +1005,7 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
--* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
++* **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.
@@ -1018,15 +1018,16 @@
  [[image:image-20220524092754-5.png]]
  (((
--(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
++(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
  )))
  (((
--(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
++(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
  )))
++
  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
@@ -1037,7 +1037,7 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
--(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
++**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
  This is to control the digital output time of DO pin. Include four bytes:
@@ -1066,20 +1066,13 @@
  [[image:image-20220524093351-8.png]]
--(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
++(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
           Latching time. Unit: ms
--Note:
++Device will upload a packet if downlink code executes successfully.
--   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.
--
--
--(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
--
--
  **Example payload:**
  **~1. A9 01 01 01 01 07 D0**
@@ -1100,6 +1100,7 @@
++
  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
@@ -1110,7 +1110,7 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
--(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
++**0x03 aa bb     **~/~/ Set RO1/RO2 output
  (((
@@ -1125,7 +1125,7 @@
  [[image:image-20220524093724-9.png]]
  )))
--(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
++Device will upload a packet if downlink code executes successfully.
@@ -1140,7 +1140,7 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
--(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
++**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:
@@ -1156,21 +1156,14 @@
  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
--[[image:image-20221008095908-1.png||height="364" width="564"]]
++[[image:image-20220714135731-1.png||height="406" width="627"]]
--(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
++(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
--Note:
++Device will upload a packet if downlink code executes successfully.
--   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.
--
--
--(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
--
--
  **Example payload:**
  **~1. 05 01 11 07 D**
@@ -1191,6 +1191,7 @@
++
  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
@@ -1198,33 +1198,39 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
++**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
++**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
++
  ==== 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) **
++**AT+SETCNT=aa,(bb cc dd ee) **
--(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
++aa: 1: Set count1,
--(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
++2: Set count2,
++3: Set AV1 count
++Bb cc dd ee: number to be set
++
++
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
--(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
++**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
++
  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
@@ -1232,139 +1232,36 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
++**AT+CLRCOUNT ** ~/~/ clear all counting
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
--(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
++**0x A6 01    ** ~/~/ clear all counting
++
  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
  * (% 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)
++**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:#037691" %)**Downlink Payload (prefix 0xA7):**
--(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
++**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
  (((
  range: aa bb cc:0 to 16777215,  (unit:second)
--)))
--
--
--==== 3.4.2.20 Reset save RO DO state ====
--
--
--* (% 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:#037691" %)**Downlink Payload (prefix 0xAD):**
--
--(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
--
--
--
--==== 3.4.2.21 Encrypted payload ====
--
--
--* (% style="color:#037691" %)**AT Command:**
--
--(% style="color:blue" %)**AT+DECRYPT=1  **   (%%)~/~/ The payload is uploaded without encryption
--
--(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
--
--
--
--==== 3.4.2.22 Get sensor value ====
--
--
--* (% 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=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
--
--
--
--==== 3.4.2.23 Resets the downlink packet count ====
--
--
--* (% style="color:#037691" %)**AT Command:**
--
--(% 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)
--
--(% 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.
--
--
--
--
--==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
--
--
--* (% style="color:#037691" %)**AT Command:**
--
--(% 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: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.
--
--
--* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
--
--(% style="color:blue" %)**0x21 00 01 **   (%%)      ~/~/ Set  the DISMACANS=1
--
--
--
--
--==== 3.4.2.25 Copy downlink to uplink ====
--
--
--* (% style="color:#037691" %)**AT Command**(%%)**:**
--
--(% 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.
--
--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.
--
--
--[[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.
--
--
--
--==== 3.4.2.26 Query version number and frequency band 、TDC ====
--
--
--* (((
--(% 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.
--
  )))
--**Example：**
--[[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-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
--
--
  == 3.5 Integrate with Mydevice ==
@@ -1463,10 +1463,10 @@
  )))
  * (((
--Connect sensor's output to DI1-
++Connect sensor’s output to DI1-
  )))
  * (((
--Connect sensor's VCC to DI1+.
++Connect sensor’s VCC to DI1+.
  )))
  (((
@@ -1474,11 +1474,11 @@
  )))
  (((
--[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
++[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
  )))
  (((
--If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
++If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
  )))
  (((
@@ -1496,10 +1496,10 @@
  )))
  * (((
--Connect sensor's output to DI1+
++Connect sensor’s output to DI1+
  )))
  * (((
--Connect sensor's GND DI1-.
++Connect sensor’s GND DI1-.
  )))
  (((
@@ -1529,10 +1529,10 @@
  )))
  * (((
--Connect sensor's output to DI1+ with a serial 50K resistor
++Connect sensor’s output to DI1+ with a serial 50K resistor
  )))
  * (((
--Connect sensor's GND DI1-.
++Connect sensor’s GND DI1-.
  )))
  (((
@@ -1552,10 +1552,8 @@
  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
--**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
++NPN output: GND or Float. Max voltage can apply to output pin is 36v.
--Note: DO pins go to float when device is power off.
--
  [[image:1653357531600-905.png]]
@@ -1575,13 +1575,13 @@
  We take the wind speed sensor as an example for reference only.
--(% style="color:blue" %)**Specifications of the wind speed sensor:**
++**Specifications of the wind speed sensor:**
--**Red:      12~~24v**
++Red:      12~~24v
--**Yellow:  4~~20mA**
++Yellow:  4~~20mA
--**Black:   GND**
++Black:   GND
  **Connection diagram:**
@@ -1596,14 +1596,11 @@
  (((
--The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
--
--**Note**: RO pins go to Open(NO) when device is power off.
++The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
  )))
  [[image:image-20220524100215-9.png]]
--
  [[image:image-20220524100215-10.png||height="382" width="723"]]
@@ -1621,14 +1621,8 @@
  == 4.1 Access AT Command ==
--(((
  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]]
@@ -1656,7 +1656,7 @@
  )))
  (((
--AT+<CMD>=?       :  Get the value
++AT+<CMD>=?       : Get the value
  )))
  (((
@@ -1684,11 +1684,11 @@
  )))
  (((
--AT+APPSKEY:  Get or Set the Application Session Key
++AT+APPSKEY: Get or Set the Application Session Key
  )))
  (((
--AT+APPEUI:    Get or Set the Application EUI
++AT+APPEUI: Get or Set the Application EUI
  )))
  (((
@@ -1700,7 +1700,7 @@
  )))
  (((
--AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
++AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
  )))
  (((
@@ -1736,7 +1736,7 @@
  )))
  (((
--AT+NJM:    Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
++AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
  )))
  (((
@@ -1780,7 +1780,7 @@
  )))
  (((
--AT+VER:  Get current image version and Frequency Band
++AT+VER: Get current image version and Frequency Band
  )))
  (((
@@ -1788,7 +1788,7 @@
  )))
  (((
--AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
++AT+CFS: Get confirmation status of the last AT+SEND (0-1)
  )))
  (((
@@ -1837,42 +1837,40 @@
  (((
--(((
--(% style="color:blue" %)**If device has not joined network yet:**
++**If device has not joined network yet:**
  )))
--)))
  (((
--(% style="background-color:#dcdcdc" %)**123456**
++(% style="background-color:#dcdcdc" %)123456
  )))
  (((
--(% style="background-color:#dcdcdc" %)**AT+FDR**
++(% style="background-color:#dcdcdc" %)AT+FDR
  )))
  (((
--(% style="background-color:#dcdcdc" %)**123456**
++(% style="background-color:#dcdcdc" %)123456
  )))
  (((
--(% style="background-color:#dcdcdc" %)**AT+NJM=0**
++(% style="background-color:#dcdcdc" %)AT+NJM=0
  )))
  (((
--(% style="background-color:#dcdcdc" %)**ATZ**
++(% style="background-color:#dcdcdc" %)ATZ
  )))
  (((
--(% style="color:blue" %)**If device already joined network:**
++**If device already joined 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
  )))
@@ -1882,57 +1882,55 @@
  (((
--(((
--(% style="background-color:#dcdcdc" %)**123456**(%%)        ~/~/ Enter Password to have AT access.
++(% 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+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
  )))
  (((
--(% style="background-color:#dcdcdc" %)** 123456**(%%)       ~/~/ Enter Password to have AT access.
++(% style="background-color:#dcdcdc" %) 123456(%%)     Enter Password to have AT access.
  )))
  (((
--(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)   ~/~/ Set to work in CLASS C
++(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
  )))
  (((
--(% 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(%%)    Set the Adaptive Data Rate Off
  )))
  (((
--(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)       ~/~/ Set Data Rate
++(% style="background-color:#dcdcdc" %) AT+DR=5(%%)       Set Data Rate
  )))
  (((
--(% 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 868.4Mhz
  )))
  (((
--(% 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 RX2Frequency to 868.4Mhz (according to the result from 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 RX2DR to match the downlink DR from 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 to 26 01 1A F1, this ID can be found in the LoRa Server portal.
  )))
  (((
--(% style="background-color:#dcdcdc" %)** ATZ**         (%%)                                 ~/~/ Reset MCU
++(% style="background-color:#dcdcdc" %) ATZ         (%%)                             Reset MCU
  )))
@@ -1942,16 +1942,10 @@
  )))
  (((
--**~1. Make sure the device is set to ABP mode in the IoT Server.**
--
--**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
--
--**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?
--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**
--
--
++(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
++2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
++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?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
  )))
  (((
@@ -1966,15 +1966,12 @@
  === 4.2.3 Change to Class A ===
--(((
--(% style="color:blue" %)**If sensor JOINED:**
++If sensor JOINED
++(% style="background-color:#dcdcdc" %)AT+CLASS=A
++ATZ
--(% style="background-color:#dcdcdc" %)**AT+CLASS=A
--ATZ**
--)))
--
  = 5. FAQ =
@@ -1994,14 +1994,12 @@
  (((
  (% 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>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
++(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
--(((
  (% style="color:blue" %)**For LT-22222-L**(%%):
  Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
--)))
  )))
@@ -2058,14 +2058,10 @@
  (((
  (% style="color:blue" %)**Step1**(%%):  Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
--
--
  )))
  (((
  [[image:1653360231087-571.png||height="401" width="727"]]
--
--
  )))
  (((
@@ -2073,23 +2073,21 @@
  )))
--
  (((
  (% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
--
--
  )))
  (((
--(% 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
++(% 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" %)123456 (%%)     Enter Password to have AT access.
++(% 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
  )))
@@ -2112,7 +2112,7 @@
  == 5.5 Can i use point to point communication for 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, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
@@ -2132,25 +2132,7 @@
--== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
--
--
--LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
--
--
--[[image:image-20221006170630-1.png||height="610" width="945"]]
--
--
--== 5.8 Can LT22222-L save RO state? ==
--
--
--Firmware version needs to be no less than 1.6.0.
--
--
--
  = 6. Trouble Shooting =
--
--
  )))
  (((
@@ -2210,6 +2210,9 @@
  * (% style="color:red" %)**IN865**(%%):   LT with frequency bands IN865
  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
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++
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  = 8. Packing Info =
@@ -2227,6 +2227,9 @@
  * Package Size / pcs : 14.5 x 8 x 5 cm
  * Weight / pcs : 170g
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++
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  = 9. Support =
@@ -2237,6 +2237,8 @@
  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.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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  )))
@@ -2246,3 +2246,5 @@
  * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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Changes for page LT-22222-L -- LoRa I/O Controller User Manual

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