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

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

From 18.1 to 19.1 From 33.2 to 34.1

From version 19.1

edited by Xiaoling
on 2022/05/23 18:12

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To version 33.2

edited by Xiaoling
on 2022/05/24 09:44

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@@ -4,8 +4,13 @@
  **LT-22222-L LoRa IO Controller User Manual **
++**Table of Contents:**
++{{toc/}}
++
++
++
  = 1.Introduction =
  == 1.1 What is LT Series I/O Controller ==
@@ -246,7 +246,7 @@
  (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
--To use counting mode, please run:
++**To use counting mode, please run:**
  (% class="box infomessage" %)
  (((
@@ -258,7 +258,7 @@
  **ATZ**
  )))
--AT Commands for counting:
++(% style="color:#4f81bd" %)**AT Commands for counting:**
  **For LT22222-L:**
@@ -282,228 +282,180 @@
  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
  )))
++(% class="box infomessage" %)
++(((
++**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
++)))
--AT+SETCNT=1,60   (Set COUNT1 value to 60)
++(% class="box infomessage" %)
++(((
++**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
++)))
--AT+SETCNT=2,60   (Set COUNT2 value to 60)
++=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
--
--**For both LT22222-L & LT33222-L**:
--
--AT+CLRCOUNT clear all countings
--
--AT+COUTIME=60  Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
--
--
--
--1.
--11.
--111. AT+MOD=3, Single DI Counting + 2 x ACI
--
--**LT33222-L**: This mode the DI3 is used as a counting pin.
--
  **LT22222-L**: This mode the DI1 is used as a counting pin.
++[[image:image-20220523181246-5.png]]
--(% border="1" style="background-color:#f7faff" %)
--|Size(bytes)|4|2|2|1|1|1
--|Value|COUNT1|(((
--ACI1
++(((
++(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
++)))
--Current
--)))|(((
--ACI2
++[[image:image-20220523181301-6.png]]
--Current
--)))|DIDORO*|Reserve|MOD
--
--**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
--
--(% border="1" style="background-color:#f7faff" %)
--|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.
  * 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.
--Note: DO3 is not valid for LT-22222-L.
++(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
++**To use counting mode, please run:**
--To use counting mode, please run:
++(% class="box infomessage" %)
++(((
++**AT+MOD=3**
++)))
--AT+MOD=3
++(% class="box infomessage" %)
++(((
++**ATZ**
++)))
--ATZ
--
--
  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
++=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
--
--
--1.
--11.
--111. AT+MOD=4, Single DI Counting + 1 x Voltage Counting
--
--**LT33222-L**: This mode the DI3 is used as a counting pin.
--
  **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]]
--(% border="1" style="background-color:#f7faff" %)
--|Size(bytes)|4|4|1|1|1
--|Value|COUNT1|AVI1 Counting|DIDORO*|(((
--Reserve
++(((
++(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
++)))
--
--)))|MOD
++[[image:image-20220523181727-7.png]]
--**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
--
--(% border="1" style="background-color:#f7faff" %)
--|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.
  * 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.
--Note: DO3 is not valid for LT-22222-L.
++(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
++**To use this mode, please run:**
--To use this mode, please run:
++(% class="box infomessage" %)
++(((
++**AT+MOD=4**
++)))
--AT+MOD=4
++(% class="box infomessage" %)
++(((
++**ATZ**
++)))
--ATZ
--
--
  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
--Plus below command for AVI1 Counting:
++**Plus below command for AVI1 Counting:**
--AT+SETCNT=3,60   (set AVI Count to 60)
++(% class="box infomessage" %)
++(((
++**AT+SETCNT=3,60   (set AVI Count to 60)**
++)))
--AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)
++(% class="box infomessage" %)
++(((
++**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
++)))
--AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)
++(% class="box infomessage" %)
++(((
++**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
++)))
--AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)
++(% class="box infomessage" %)
++(((
++**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
++)))
++=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
--
--1.
--11.
--111. AT+MOD=5, Single DI Counting + 2 x AVI + 1 x ACI
--
--**LT33222-L**: This mode the DI3 is used as a counting pin.
--
  **LT22222-L**: This mode the DI1 is used as a counting pin.
++[[image:image-20220523182334-9.png]]
--(% border="1" style="background-color:#f7faff" %)
--|Size(bytes)|2|2|2|2|1|1|1
--|Value|(((
--AVI1
++(((
++(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
++)))
--voltage
--)))|(((
--AVI2
--
--voltage
--)))|(((
--ACI1
--
--Current
--)))|COUNT1|DIDORO*|(((
--Reserve
--
--
--)))|MOD
--
--**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
--
--(% border="1" style="background-color:#f7faff" %)
--|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.
  * 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.
--Note: DO3 is not valid for LT-22222-L.
++(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
++**To use this mode, please run:**
--To use this mode, please run:
++(% class="box infomessage" %)
++(((
++**AT+MOD=5**
++)))
--AT+MOD=5
++(% class="box infomessage" %)
++(((
++**ATZ**
++)))
--ATZ
--
--
  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
++=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
++(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
--
--
--1.
--11.
--111. AT+ADDMOD=6. (Trigger Mode, Optional)
--
--**This mode is an optional mode for trigger purpose. It can run together with other mode.**
--
  For example, if user has configured below commands:
--* AT+MOD=1   à The normal working mode
--* AT+ADDMOD6=1    à Enable trigger
++* **AT+MOD=1 **  **~-~->** The normal working mode
++* **AT+ADDMOD6=1**   **~-~->** Enable trigger
  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
--1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN **unconfirmed** data type
--1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN **CONFIRMED data type.**
++1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
++1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
  **AT Command to set Trigger Condition**:
--**Trigger base on voltage**:
++(% style="color:#4f81bd" %)**Trigger base on voltage**:
  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
--Example:
++**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)
  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
++(% style="color:#4f81bd" %)**Trigger base on current**:
--**Trigger base on current**:
--
  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
--Example:
++**Example:**
  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
++(% style="color:#4f81bd" %)**Trigger base on DI status**:
--**Trigger base on DI status**:
--
  DI status trigger Flag.
  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
--Example:
++**Example:**
  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
--
--
--
  **Downlink Command to set Trigger Condition**
  Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
@@ -522,9 +522,8 @@
    Yy4 yy4: AC2 or AV2 high limit.
++**Example1**: AA 00 13 88 00 00 00 00 00 00
--Example1: AA 00 13 88 00 00 00 00 00 00
--
  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
  Example2: AA 02 01 00
@@ -531,134 +531,41 @@
  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
++(% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
--
--
--**Trigger Settings Payload Explanation:**
--
  MOD6 Payload : total 11 bytes payload
--(% border="1" style="background-color:#f7faff" %)
--|Size(bytes)|1|1|1|6|1|1
--|Value|(((
--TRI_A
++[[image:image-20220524085923-1.png]]
--FLAG
--)))|(((
--TRI_A
++(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
--Status
--)))|(((
--TRI_DI
++[[image:image-20220524090106-2.png]]
--FLAG+STA
--)))|Reserve|Enable/Disable MOD6|(((
--MOD
--
--(6)
--)))
--
--**TRI FLAG1** is a combination to show if trigger is set for this part. Totally 1byte as below
--
--(% border="1" style="background-color:#f7faff" %)
--|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.
--Example:
++**Example:**
  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
--**TRI Status1** is a combination to show which condition is trigger. Totally 1byte as below
++(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
--(% border="1" style="background-color:#f7faff" %)
--|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
--|(((
--AV1_
++[[image:image-20220524090249-3.png]]
--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.
--Example:
++**Example:**
  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]]
--**TRI_DI FLAG+STA **is a combination to show which condition is trigger. Totally 1byte as below
--
--(% border="1" style="background-color:#f7faff" %)
--|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.
--Example:
++**Example:**
  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
@@ -665,117 +665,117 @@
  00000101: Means both DI1 and DI2 trigger are enabled.
--**Enable/Disable MOD6 **: 0x01: MOD6 is enable. 0x00: MOD6 is disable.
++(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
--
  Downlink command to poll MOD6 status:
--AB 06
++**AB 06**
  When device got this command, it will send the MOD6 payload.
++=== 3.3.7 Payload Decoder ===
--1.
--11.
--111. Payload Decoder
--
++(((
  **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
++)))
++== 3.4 Configure LT via AT or Downlink ==
++User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
--
--
--
--
--1.
--11. Configure LT via AT or Downlink
--
--User can configure LT I/O Controller via [[AT Commands >>path:#_Using_the_AT]]or LoRaWAN Downlink Commands
--
++(((
  There are two kinds of Commands:
++)))
--* **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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
++* (% 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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
--* **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:
--1.
--11.
--111. Common Commands:
++=== 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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_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>>http://8.211.40.43:8080/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
++=== 3.4.2 Sensor related commands ===
--1.
--11.
--111. Sensor related commands:
++==== 3.4.2.1 Set Transmit Interval ====
--==== Set Transmit Interval ====
--
  Set device uplink interval.
  * AT Command:
--AT+TDC=N
++(% class="box infomessage" %)
++(((
++**AT+TDC=N **
++)))
--Example: AT+TDC=30000. Means set interval to 30 seconds
++**Example: **AT+TDC=30000. Means set interval to 30 seconds
--
  * Downlink Payload (prefix 0x01):
--0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)
++(% class="box infomessage" %)
++(((
++**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
++)))
++==== 3.4.2.2 Set Work Mode (AT+MOD) ====
--==== Set Work Mode (AT+MOD) ====
--
  Set work mode.
  * AT Command:
--AT+MOD=N
++(% class="box infomessage" %)
++(((
++**AT+MOD=N  **
++)))
--Example: AT+MOD=2. Set work mode to Double DI counting mode
++**Example**: AT+MOD=2. Set work mode to Double DI counting mode
--
  * Downlink Payload (prefix 0x0A):
--0x0A aa     ~/~/ Same as AT+MOD=aa
++(% class="box infomessage" %)
++(((
++**0x0A aa     ~/~/ Same as AT+MOD=aa**
++)))
++==== 3.4.2.3 Poll an uplink ====
--
--==== Poll an uplink ====
--
  * AT Command:
  There is no AT Command to poll uplink
--
  * Downlink Payload (prefix 0x08):
--0x08 FF     ~/~/ Poll an uplink,
++(% class="box infomessage" %)
++(((
++**0x08 FF     ~/~/ Poll an uplink,**
++)))
--Example: 0x08FF, ask device to send an Uplink
++**Example**: 0x08FF, ask device to send an Uplink
++==== 3.4.2.4 Enable Trigger Mode ====
--==== Enable Trigger Mode ====
++Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
--Use of trigger mode, please check [[ADDMOD6>>path:#MOD6]]
--
  * AT Command:
--AT+ADDMOD6=1 or 0
++(% class="box infomessage" %)
++(((
++**AT+ADDMOD6=1 or 0**
++)))
 : Enable Trigger Mode
 : Disable Trigger Mode
--
  * Downlink Payload (prefix 0x0A 06):
--0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,
++(% class="box infomessage" %)
++(((
++**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
++)))
++==== 3.4.2.5 Poll trigger settings ====
--==== Poll trigger settings ====
--
  Poll trigger settings,
  * AT Command:
@@ -782,339 +782,337 @@
  There is no AT Command for this feature.
--
  * Downlink Payload (prefix 0x AB 06):
--0xAB 06  ~/~/ Poll trigger settings, device will uplink [[trigger settings>>path:#Trigger_Settings]] once receive this command
++(% class="box infomessage" %)
++(((
++**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/DI3 as trigger ====
--
  Enable Disable DI1/DI2/DI2 as trigger,
  * AT Command:
--Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
++(% class="box infomessage" %)
++(((
++**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
++)))
--Example:
++**Example:**
  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
--
--
  * Downlink Payload (prefix 0xAA 02):
--0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb
++(% class="box infomessage" %)
++(((
++**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
++)))
++==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
--
--==== Trigger1 – Set DI1 or DI3 as trigger ====
--
  Set DI1 or DI3(for LT-33222-L) trigger.
  * AT Command:
--AT+TRIG1=a,b
++(% class="box infomessage" %)
++(((
++**AT+TRIG1=a,b**
++)))
  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
  b : delay timing.
--Example:
++**Example:**
  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
--
  * Downlink Payload (prefix 0x09 01 ):
--0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
++(% class="box infomessage" %)
++(((
++**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
++)))
++==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
--==== Trigger2 – Set DI2 as trigger ====
--
  Set DI2 trigger.
  * AT Command:
--AT+TRIG2=a,b
++(% class="box infomessage" %)
++(((
++**AT+TRIG2=a,b**
++)))
  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
  b : delay timing.
--Example:
++**Example:**
  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
--
  * Downlink Payload (prefix 0x09 02 ):
--0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
++(% class="box infomessage" %)
++(((
++**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
++)))
++==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
--==== Trigger – Set AC (current) as trigger ====
++Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
--Set current trigger , base on AC port. See [[trigger mode>>path:#MOD6]]
--
  * AT Command:
--AT+ACLIM. See [[trigger mode>>path:#MOD6]]
++(% class="box infomessage" %)
++(((
++**AT+ACLIM. **
++)))
--
  * Downlink Payload (prefix 0xAA 01 ):
--0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>path:#MOD6]]
++(% class="box infomessage" %)
++(((
++**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
++)))
++==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
--==== Trigger – Set AV (voltage) as trigger ====
++Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
--Set current trigger , base on AV port. See [[trigger mode>>path:#MOD6]]
--
  * AT Command:
--AT+AVLIM. See [[trigger mode>>path:#MOD6]]
++(% class="box infomessage" %)
++(((
++**AT+AVLIM. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
++)))
--
  * Downlink Payload (prefix 0xAA 00 ):
--0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>path:#MOD6]]
++(% class="box infomessage" %)
++(((
++**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
++)))
--==== Trigger – Set minimum interval ====
++==== 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.
  * AT Command:
--AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.
++(% class="box infomessage" %)
++(((
++**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
++)))
--
  * Downlink Payload (prefix 0xAC ):
--0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
++(% class="box infomessage" %)
++(((
++**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
++)))
++==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
--==== DO ~-~- Control Digital Output DO1/DO2/DO3 ====
--
  * AT Command:
  There is no AT Command to control Digital Output
--
  * Downlink Payload (prefix 0x02):
--0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output
++(% class="box infomessage" %)
++(((
++**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.
++)))
++(((
 : Low,  00: High ,  11: No action
++)))
--(% border="1" style="background-color:#f7faff" %)
--|Downlink Code|DO1|DO2|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]]
--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.
++)))
--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 ====
--
--
--==== DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
--
  * AT Command:
  There is no AT Command to control Digital Output
--
  * Downlink Payload (prefix 0xA9):
--0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control
++(% class="box infomessage" %)
++(((
++**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:
--**First Byte:** Type code (0xA9)
++(% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
--**Second Byte**: Inverter Mode
++(% style="color:#4f81bd" %)**Second Byte**(%%): Inverter Mode
 : DO pins will change back to original state after timeout.
 : DO pins will change to an inverter state after timeout
++(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
--**Third Byte**: Control Method and Ports status:
++[[image:image-20220524093238-6.png]]
--(% border="1" style="background-color:#f7faff" %)
--|Second Byte|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:
--**Fourth Byte**: Control Method and Ports status:
++[[image:image-20220524093328-7.png]]
--(% border="1" style="background-color:#f7faff" %)
--|Second Byte|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:
--**Fifth Byte**: Control Method and Ports status:
++[[image:image-20220524093351-8.png]]
--(% border="1" style="background-color:#f7faff" %)
--|Second Byte|Status
--|0x01|DO3 set to low
--|0x00|DO3 set to high
--|0x11|DO3 NO Action
++(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
--**Sixth and Seventh Byte**:
--
           Latching time. Unit: ms
  Device will upload a packet if downlink code executes successfully.
++**Example payload:**
++**~1. A9 01 01 01 01 07 D0**
--Example payload:
--
--1. A9 01 01 01 01 07 D0
--
  DO1 pin & DO2 pin & DO3 pin will be set to Low, last 2 seconds, then change back to original state.
++**2. A9 01 00 01 11 07 D0**
--1. A9 01 00 01 11 07 D0
--
  DO1 pin set high, DO2 pin set low, DO3 pin no action, last 2 seconds, then change back to original state.
++**3. A9 00 00 00 00 07 D0**
--1. A9 00 00 00 00 07 D0
--
  DO1 pin & DO2 pin & DO3 pin will be set to high, last 2 seconds, then both change to low.
++**4. A9 00 11 01 00 07 D0**
--1. A9 00 11 01 00 07 D0
--
  DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
++=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
--
--==== Relay ~-~- Control Relay Output RO1/RO2 ====
--
  * AT Command:
  There is no AT Command to control Relay Output
--
  * Downlink Payload (prefix 0x03):
--0x03 aa bb     ~/~/ Set RO1/RO2 output
++(% class="box infomessage" %)
++(((
++**0x03 aa bb     ~/~/ Set RO1/RO2 output**
++)))
++(((
  If payload = 0x030100, it means set RO1 to close and RO2 to open.
++)))
++(((
 : Close ,  00: Open , 11: No action
++)))
--(% border="1" style="background-color:#f7faff" %)
--|Downlink Code|RO1|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
++(((
++[[image:image-20220524093724-9.png]]
++)))
  Device will upload a packet if downlink code executes successfully.
--==== Relay ~-~- Control Relay Output RO1/RO2 with time control ====
++==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
  * AT Command:
  There is no AT Command to control Relay Output
--
  * Downlink Payload (prefix 0x05):
--0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:
++(% class="box infomessage" %)
++(((
++**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:
--**First Byte:** Type code (0x05)
++(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
--**Second Byte(aa)**: Inverter Mode
++(% style="color:#4f81bd" %)**Second Byte(aa)**(%%): Inverter Mode
 : Relays will change back to original state after timeout.
 : Relays will change to an inverter state after timeout
++(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
--**Third Byte(bb)**: Control Method and Ports status:
++[[image:image-20220524093831-10.png]]
--(% border="1" style="background-color:#f7faff" %)
--|Value|Status
--|0x11|RO1 and RO2 to NO
--|0x10|RO2 to NO, RO1 to NC
--|0x01|RO2 to NC, RO1 to NO
--|0x00|RO1 and RO2 to NC.
--|0x20|RO1 No Action, RO2 to NC
--|0x21|RO1 No Action, RO2 to NO
--|0x02|RO1 to NC, RO2 No Action
--|0x12|RO1 to NO, RO2 No Action
++(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
--**Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
--
  Device will upload a packet if downlink code executes successfully.
--
--
  **Example payload:**
--1. 05 01 11 07 D0
++**~1. 05 01 11 07 D0**
  Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
++**2. 05 01 10 07 D0**
--1. 05 01 10 07 D0
--
  Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
++**3. 05 00 01 07 D0**
--1. 05 00 01 07 D0
--
  Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
++**4. 05 00 00 07 D0**
--1. 05 00 00 07 D0
--
  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
++==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
++When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]
--
--
--==== Counting ~-~- Voltage threshold counting ====
--
--When voltage exceed the threshold, count. Feature see [[MOD4>>path:#MOD4]]
--
  * AT Command:
--AT+VOLMAX    ~/~/ See [[MOD4>>path:#MOD4]]
++(% class="box infomessage" %)
++(((
++**AT+VOLMAX    ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]**
++)))
--
  * Downlink Payload (prefix 0xA5):
--0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc
++(% class="box infomessage" %)
++(((
++**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
++)))
++==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
--==== Counting ~-~- Pre-configure the Count Number ====
--
  * AT Command:
--AT+SETCNT=aa,(bb cc dd ee)
++(% class="box infomessage" %)
++(((
++**AT+SETCNT=aa,(bb cc dd ee) **
++)))
  aa: 1: Set count1,
@@ -1124,41 +1124,46 @@
  Bb cc dd ee: number to be set
--
  * Downlink Payload (prefix 0xA8):
--0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
++(% class="box infomessage" %)
++(((
++**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
++)))
++==== 3.4.2.18 Counting ~-~- Clear Counting ====
--
--
--
--==== Counting ~-~- Clear Counting ====
--
  Clear counting for counting mode
  * AT Command:
--AT+CLRCOUNT  ~/~/ clear all counting
++(% class="box infomessage" %)
++(((
++**AT+CLRCOUNT  ~/~/ clear all counting**
++)))
--
  * Downlink Payload (prefix 0xA6):
--0x A6 01     ~/~/ clear all counting,
++(% class="box infomessage" %)
++(((
++**0x A6 01     ~/~/ clear all counting,**
++)))
++==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
--
--
--==== Counting ~-~- Change counting mode save time ====
--
  * 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)
++(% class="box infomessage" %)
++(((
++**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
++)))
--
  * Downlink Payload (prefix 0xA7):
--0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,
++(% class="box infomessage" %)
++(((
++**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
++)))
  range: aa bb cc:0 to 16777215,  (unit:second)
@@ -1165,7 +1165,7 @@
--1.
++1.
 . Integrate with Mydevice
  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
@@ -1223,7 +1223,7 @@
 .
--11.
++11.
 . Digital Input Port: DI1/DI2 ( For LT-22222-L)
  The DI port of LT-22222-L can support NPN or PNP output sensor.
@@ -1277,8 +1277,8 @@
  If sensor output is 220v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
--1.
--11.
++1.
++11.
 . Digital Output Port: DO1/DO2 /DO3
  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
@@ -1289,7 +1289,7 @@
 .
--11.
++11.
 . Analog Input Interface
  The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
@@ -1322,7 +1322,7 @@
 .
--11.
++11.
 . 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:
@@ -1482,7 +1482,7 @@
--1.
++1.
 . Common AT Command Sequence
 . Multi-channel ABP mode (Use with SX1301/LG308)
@@ -1505,8 +1505,8 @@
  ATZ
--1.
--11.
++1.
++11.
 . Single-channel ABP mode (Use with LG01/LG02)
    Enter Password to have AT access.
@@ -1546,7 +1546,7 @@
 .
--11.
++11.
 . Change to Class A
  If sensor JOINED
@@ -1561,7 +1561,7 @@
 . FAQ
--1.
++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:
@@ -1620,7 +1620,7 @@
  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
--1.
++1.
 . How to set up LT to work with Single Channel Gateway such as LG01/LG02?
  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
@@ -1679,7 +1679,7 @@
  [[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]]
--1.
++1.
 . Have trouble to upload image.
  See this link for trouble shooting:
@@ -1687,7 +1687,7 @@
  [[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]
--1.
++1.
 . Why I can’t join TTN in US915 /AU915 bands?
  It might be about the channels mapping. Please see this link for detail:

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

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