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

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

From 101.2 to 101.3 From 126.1 to 126.2

From version 101.3

edited by Xiaoling
on 2022/10/25 15:22

Change comment: There is no comment for this version

To version 126.1

edited by Edwin Chen
on 2023/06/17 09:43

Change comment: There is no comment for this version

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Page properties

Author

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

Content

@@ -15,7 +15,6 @@
  = 1.Introduction =
--
  == 1.1 What is LT Series I/O Controller ==
  (((
@@ -27,7 +27,7 @@
  )))
  (((
--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.
++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.
  )))
  (((
@@ -54,7 +54,6 @@
  )))
--
  == 1.2  Specifications ==
  (((
@@ -64,7 +64,7 @@
  )))
  * (((
--STM32L072CZT6 MCU
++STM32L072xxxx MCU
  )))
  * (((
  SX1276/78 Wireless Chip
@@ -171,7 +171,6 @@
  Packet engine up to 256 bytes with CRC.
--
  )))
@@ -179,11 +179,17 @@
  * 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 ==
@@ -190,18 +190,26 @@
  * Smart Buildings & Home Automation
++
  * Logistics and Supply Chain Management
++
  * Smart Metering
++
  * Smart Agriculture
++
  * Smart Cities
++
  * Smart Factory
  == 1.5 Hardware Variants ==
--(% border="1" style="background-color:#f7faff; width:500px" %)
--|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
--|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
++(% 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"]]
++)))|(% style="width:334px" %)(((
  * 2 x Digital Input (Bi-direction)
  * 2 x Digital Output
  * 2 x Relay Output (5A@250VAC / 30VDC)
@@ -226,10 +226,8 @@
  [[image:1653297104069-180.png]]
--
  = 3. Operation Mode =
--
  == 3.1 How it works? ==
@@ -242,7 +242,6 @@
  )))
--
  == 3.2 Example to join LoRaWAN network ==
@@ -269,7 +269,7 @@
  Each LT is shipped with a sticker with the default device EUI as below:
  )))
--[[image:1653297924498-393.png]]
++[[image:image-20230425173427-2.png||height="246" width="530"]]
  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
@@ -294,7 +294,6 @@
  [[image:1653298044601-602.png||height="405" width="709"]]
--
  == 3.3 Uplink Payload ==
@@ -301,10 +301,15 @@
  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 ===
@@ -311,19 +311,31 @@
  (((
--The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
++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:520px" %)
++|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
++|Value|(((
++AVI1 voltage
++)))|(((
++AVI2 voltage
++)))|(((
++ACI1 Current
++)))|(((
++ACI2 Current
++)))|DIDORO*|(((
++Reserve
++)))|MOD
  )))
--[[image:image-20220523174024-3.png]]
--
  (((
--
--
  (% 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:520px" %)
++|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
++|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
  )))
--[[image:image-20220523174254-4.png]]
--
  * 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.
@@ -372,18 +372,24 @@
  (((
  Total : 11 bytes payload
++
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
++|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
++|Value|COUNT1|COUNT2 |DIDORO*|(((
++Reserve
++)))|MOD
  )))
--[[image:image-20220523180452-3.png]]
--
--
  (((
  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
--)))
--[[image:image-20220523180506-4.png]]
++(% 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.
@@ -414,14 +414,11 @@
  (% 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 ) **
@@ -436,22 +436,27 @@
  )))
--
  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
  **LT22222-L**: This mode the DI1 is used as a counting pin.
--[[image:image-20220523181246-5.png]]
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
++|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
++|Value|COUNT1|(((
++ACI1 Current
++)))|(((
++ACI2 Current
++)))|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:520px" %)
++|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
++|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
  )))
--[[image:image-20220523181301-6.png]]
--
  * 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.
@@ -483,7 +483,6 @@
  )))
--
  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
@@ -493,17 +493,22 @@
  (((
  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:520px" %)
++|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
++|Value|COUNT1|AVI1 Counting|DIDORO*|(((
++Reserve
++)))|MOD
  )))
--[[image:image-20220523181903-8.png]]
--
--
  (((
  (% 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:520px" %)
++|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
++|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
  )))
--[[image:image-20220523181727-7.png]]
--
  * 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.
@@ -537,11 +537,8 @@
  )))
  (((
--
--
  **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)**
@@ -552,18 +552,29 @@
  )))
--
  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
  **LT22222-L**: This mode the DI1 is used as a counting pin.
--[[image:image-20220523182334-9.png]]
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
++|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
++|Value|(((
++AVI1 voltage
++)))|(((
++AVI2 voltage
++)))|(((
++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: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.
@@ -600,7 +600,6 @@
  )))
--
  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
@@ -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**
@@ -690,12 +690,39 @@
  MOD6 Payload : total 11 bytes payload
--[[image:image-20220524085923-1.png]]
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
++|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
++|Value|(((
++TRI_A FLAG
++)))|(((
++TRI_A Status
++)))|(((
++TRI_DI FLAG+STA
++)))|Reserve|Enable/Disable MOD6|(((
++MOD(6)
++)))
--
  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
--[[image:image-20220524090106-2.png]]
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
++|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
++|(((
++AV1_LOW
++)))|(((
++AV1_HIGH
++)))|(((
++AV2_LOW
++)))|(((
++AV2_HIGH
++)))|(((
++AC1_LOW
++)))|(((
++AC1_HIGH
++)))|(((
++AC2_LOW
++)))|(((
++AC2_HIGH
++)))
  * Each bits shows if the corresponding trigger has been configured.
@@ -704,10 +704,27 @@
  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]]
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
++|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
++|(((
++AV1_LOW
++)))|(((
++AV1_HIGH
++)))|(((
++AV2_LOW
++)))|(((
++AV2_HIGH
++)))|(((
++AC1_LOW
++)))|(((
++AC1_HIGH
++)))|(((
++AC2_LOW
++)))|(((
++AC2_HIGH
++)))
  * Each bits shows which status has been trigger on this uplink.
@@ -716,10 +716,11 @@
  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]]
++(% 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
  * Each bits shows which status has been trigger on this uplink.
@@ -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:
@@ -740,8 +740,6 @@
  When device got this command, it will send the MOD6 payload.
--
--
  === 3.3.7 Payload Decoder ===
  (((
@@ -751,7 +751,6 @@
  )))
--
  == 3.4 Configure LT via AT or Downlink ==
@@ -765,9 +765,9 @@
  )))
  )))
--* (% 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" %)**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" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
++* (% 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 ===
@@ -777,10 +777,8 @@
  )))
--
  === 3.4.2 Sensor related commands ===
--
  ==== 3.4.2.1 Set Transmit Interval ====
@@ -788,7 +788,7 @@
  * (% style="color:#037691" %)**AT Command:**
--**AT+TDC=N **
++(% style="color:blue" %)**AT+TDC=N **
  **Example: **AT+TDC=30000. Means set interval to 30 seconds
@@ -796,129 +796,106 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
--**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
++(% style="color:blue" %)**0x01 aa bb cc  **(%%)**   ~/~/ Same as AT+TDC=0x(aa bb cc)**
--
  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
  Set work mode.
--* (% style="color:#037691" %)**AT Command:**
++* (% 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
--
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
--**0x0A aa    ** ~/~/ Same as AT+MOD=aa
++(% style="color:blue" %)**0x0A aa  **(%%)**  ** ~/~/ Same as AT+MOD=aa
--
  ==== 3.4.2.3 Poll an uplink ====
--* (% style="color:#037691" %)**AT Command:**
++* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
--There is no AT Command to poll uplink
--
--
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
--**0x08 FF     **~/~/ Poll an uplink
++(% style="color:blue" %)**0x08 FF  **(%%)**   **~/~/ Poll an uplink
--
  **Example**: 0x08FF, ask device to send an Uplink
--
  ==== 3.4.2.4 Enable Trigger Mode ====
  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
--* (% style="color:#037691" %)**AT Command:**
++* (% 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):**
--**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
++(% style="color:blue" %)**0x0A 06 aa    **(%%)    ~/~/ Same as AT+ADDMOD6=aa
--
  ==== 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):**
--**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
++(% style="color:blue" %)**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 ====
  Enable Disable DI1/DI2/DI2 as trigger,
--* (% style="color:#037691" %)**AT Command:**
++* (% 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:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
--**Example:**
--
--AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
--
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
--**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
++(% style="color:blue" %)**0xAA 02 aa bb   **  (%%) ~/~/ Same as AT+DTRI=aa,bb
--
  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
  Set DI1 or DI3(for LT-33222-L) trigger.
--* (% style="color:#037691" %)**AT Command:**
++* (% 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:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
--**Example:**
++* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
--AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
++(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%)    ~/~/ same as AT+TRIG1=aa,0x(bb cc)
--* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
--* **0x09 01 aa bb cc    **     ~/~/ same as AT+TRIG1=aa,0x(bb cc)
  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
@@ -925,85 +925,64 @@
  Set DI2 trigger.
--* (% style="color:#037691" %)**AT Command:**
++* (% 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).
++**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
--b : delay timing.
--
--**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 ):**
--**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
++(% style="color:blue" %)**0x09 02 aa bb cc   **  (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
--
  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
--* (% style="color:#037691" %)**AT Command**
++* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
--**AT+ACLIM**
--
--
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
--**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:blue" %)**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 ====
  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
--* (% style="color:#037691" %)**AT Command**
++* (% 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 )**
--**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++(% 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"]]
--
  ==== 3.4.2.11 Trigger – Set minimum interval ====
  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:#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 )**
--**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
++(% 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**
  )))
--
  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
@@ -1013,8 +1013,9 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
--* **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.
  )))
@@ -1021,10 +1021,14 @@
  (((
 : Low,  00: High ,  11: No action
++
++(% 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
  )))
--[[image:image-20220524092754-5.png]]
--
  (((
  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
  )))
@@ -1035,7 +1035,6 @@
--
  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
@@ -1046,7 +1046,7 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
--**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
++(% style="color:blue" %)**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:
@@ -1062,23 +1062,37 @@
  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
--[[image:image-20220524093238-6.png]]
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
++|(% 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
--
  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
--[[image:image-20220524093328-7.png]]
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
++|(% 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
--
  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
--[[image:image-20220524093351-8.png]]
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
++|(% 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
++(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
--(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
--         Latching time. Unit: ms
++(% style="color:red" %)**Note: **
++   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.**
@@ -1102,10 +1102,9 @@
++==== 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:**
  There is no AT Command to control Relay Output
@@ -1113,7 +1113,7 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
--**0x03 aa bb     **~/~/ Set RO1/RO2 output
++(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
  (((
@@ -1122,10 +1122,17 @@
  (((
 : Close ,  00: Open , 11: No action
--)))
--(((
--[[image:image-20220524093724-9.png]]
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
++|(% 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
++|03  11  01|No Action|Close
++|03  00  00|Open|Open
++|03  01  01|Close|Close
++|03  01  00|Close|Open
++|03  00  01|Open|Close
  )))
  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
@@ -1132,7 +1132,6 @@
--
  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
@@ -1143,7 +1143,7 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
--**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
++(% 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:
@@ -1164,12 +1164,20 @@
  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
++
++(% style="color:red" %)**Note:**
++
++   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
++
++   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**
++**~1. 05 01 11 07 D0**
  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
@@ -1192,156 +1192,132 @@
  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
--* (% style="color:#037691" %)**AT Command:**
++* (% 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):**
--**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
++(% style="color:blue" %)**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:#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):**
--**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
++(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
--
  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
  Clear counting for counting mode
--* (% style="color:#037691" %)**AT Command:**
++* (% 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):**
--**0x A6 01    ** ~/~/ clear all counting
++(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
--
  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
  * (% style="color:#037691" %)**AT Command:**
--**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  **(%%)~/~/ 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):**
--**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
++(% style="color:blue" %)**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 ====
--==== 3.4.2.20 Reset save DR DO state ====
--
  * (% style="color:#037691" %)**AT Command:**
--**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
++(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
--**AT+RODORET=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 is not changed when it is reconnected to the network.
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
--**0x AD aa      **~/~/ same as AT+RODORET =aa
++(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
--(((
--
--
  ==== 3.4.2.21 Encrypted payload ====
  * (% style="color:#037691" %)**AT Command:**
--**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
++(% style="color:blue" %)**AT+DECRYPT=1  **   (%%)~/~/ The payload is uploaded without encryption
--**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
++(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
--
  ==== 3.4.2.22 Get sensor value ====
  * (% style="color:#037691" %)**AT Command:**
--**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
++(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
--**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
++(% 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:**
--**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=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)
--**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.
++(% 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:**
--       **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=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)
--       **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: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 **(%%)**:**
--**0x21 00 01 **         ~/~/ Set  the DISMACANS=1
++(% style="color:blue" %)**0x21 00 01 **   (%%)      ~/~/ Set  the DISMACANS=1
--
  ==== 3.4.2.25 Copy downlink to uplink ====
  * (% style="color:#037691" %)**AT Command**(%%)**:**
--       **AT+RPL=5**     ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
++(% style="color: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.
@@ -1364,7 +1364,7 @@
  * (((
  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
--**26 01  **   ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
++(% style="color:blue" %)**26 01  ** (%%)  ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
  )))
@@ -1374,9 +1374,6 @@
  [[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 ==
@@ -1401,7 +1401,7 @@
  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
--(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
++(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
  Search under The things network
@@ -1426,10 +1426,8 @@
  [[image:image-20220524094909-5.png||height="341" width="734"]]
--
  == 3.6 Interface Detail ==
--
  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
@@ -1438,17 +1438,16 @@
  [[image:1653356991268-289.png]]
--
  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
  (((
--The DI port of LT-22222-L can support NPN or PNP output sensor.
++The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** 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. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high.
++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.
  )))
@@ -1495,8 +1495,6 @@
  (((
--
--
  )))
  (((
@@ -1528,8 +1528,6 @@
  (((
--
--
  )))
  (((
@@ -1560,16 +1560,26 @@
  )))
++(% 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]]
++
++
++
  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
--NPN output: GND or Float. Max voltage can apply to output pin is 36v.
++(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
++(% style="color:red" %)**Note: DO pins go to float when device is power off.**
++
  [[image:1653357531600-905.png]]
--
  === 3.6.4 Analog Input Interface ===
@@ -1587,13 +1587,12 @@
  (% style="color:blue" %)**Specifications of the wind speed sensor:**
--**Red:      12~~24v**
++(% style="color:red" %)**Red:      12~~24v**
--**Yellow:  4~~20mA**
++(% style="color:#ffc000" %)**Yellow:  4~~20mA**
  **Black:   GND**
--
  **Connection diagram:**
  [[image:1653357640609-758.png]]
@@ -1601,12 +1601,29 @@
  [[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 ===
  (((
--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:
++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.
  )))
  [[image:image-20220524100215-9.png]]
@@ -1615,17 +1615,46 @@
  [[image:image-20220524100215-10.png||height="382" width="723"]]
--
  == 3.7 LEDs Indicators ==
--[[image:image-20220524100748-11.png]]
++(% 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.
++)))
++(((
++Successful join network: TX ON for 5 seconds.
++)))
++(((
++Transmit a LoRa packet: TX blinks once
++)))
++)))
++|**RX**|RX blinks once when receive a packet.
++|**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
++)))
++|**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 ==
@@ -1836,10 +1836,8 @@
  )))
--
  == 4.2 Common AT Command Sequence ==
--
  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
  (((
@@ -1884,7 +1884,6 @@
  )))
--
  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
  (((
@@ -1957,7 +1957,7 @@
  **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**
++**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.**
  )))
@@ -1970,12 +1970,11 @@
  )))
--
  === 4.2.3 Change to Class A ===
  (((
--(% style="color:blue" %)If sensor JOINED:
++(% style="color:blue" %)**If sensor JOINED:**
  (% style="background-color:#dcdcdc" %)**AT+CLASS=A
  ATZ**
@@ -1982,13 +1982,19 @@
  )))
++= 5. Case Study =
--= 5. FAQ =
++== 5.1 Counting how many objects pass in Flow Line ==
--== 5.1 How to upgrade the image? ==
++Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
++= 6. FAQ =
++
++== 6.1 How to upgrade the image? ==
++
++
  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
  * Support new features
@@ -2002,7 +2002,7 @@
  (((
  (% 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>>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>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
@@ -2016,8 +2016,10 @@
    [[image:image-20220524103407-12.png]]
++
  [[image:image-20220524103429-13.png]]
++
  [[image:image-20220524104033-15.png]]
@@ -2029,10 +2029,8 @@
  (((
  (((
--
++== 6.2 How to change the LoRa Frequency Bands/Region? ==
--== 5.2 How to change the LoRa Frequency Bands/Region? ==
--
  )))
  )))
@@ -2044,9 +2044,8 @@
  (((
++== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
--== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
--
  )))
@@ -2060,7 +2060,6 @@
  (((
  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
--
  )))
  )))
@@ -2109,26 +2109,29 @@
  [[image:1653360498588-932.png||height="485" width="726"]]
++== 6.4 How to change the uplink interval？ ==
--== 5.4 Can I see counting event in Serial? ==
++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/]]
--(((
--User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
++== 6.5 Can I see counting event in Serial? ==
--== 5.5 Can i use point to point communication for LT-22222-L? ==
++(((
++User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
--Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
++== 6.6 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]].
++
  )))
  (((
--== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
++== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
  If the device is not shut down, but directly powered off.
@@ -2140,10 +2140,9 @@
  After restart, the status before power failure will be read from flash.
++== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
--== 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:
@@ -2150,15 +2150,18 @@
  [[image:image-20221006170630-1.png||height="610" width="945"]]
++== 6.9 Can LT22222-L save RO state? ==
--= 6. Trouble Shooting =
--
++Firmware version needs to be no less than 1.6.0.
++
++
++= 7. Trouble Shooting =
  )))
  (((
  (((
--== 6.1 Downlink doesn't work, how to solve it? ==
++== 7.1 Downlink doesn't work, how to solve it? ==
  )))
@@ -2171,9 +2171,8 @@
  (((
++== 7.2 Have trouble to upload image. ==
--== 6.2 Have trouble to upload image. ==
--
  )))
@@ -2184,9 +2184,8 @@
  (((
++== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
--== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
--
  )))
@@ -2195,10 +2195,9 @@
  )))
++= 8. Order Info =
--= 7. Order Info =
--
  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
  (% style="color:#4f81bd" %)**XXX:**
@@ -2213,11 +2213,9 @@
  * (% style="color:red" %)**IN865**(%%):   LT with frequency bands IN865
  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
++= 9. Packing Info =
--= 8. Packing Info =
--
--
  **Package Includes**:
  * LT-22222-L I/O Controller x 1
@@ -2232,25 +2232,24 @@
  * Package Size / pcs : 14.5 x 8 x 5 cm
  * Weight / pcs : 170g
++= 10. Support =
--= 9. Support =
--
--
  * (((
  Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
  )))
  * (((
--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]]
++Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[Support@dragino.cc>>mailto:Support@dragino.cc]]
--
  )))
--= 10. Reference =
++= 11. Reference =
  * 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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