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 < 5.1 >

edited by Xiaoling
on 2022/05/23 17:11

To version < 15.1 >

edited by Xiaoling
on 2022/05/23 17:58

Change comment: Uploaded new attachment "image-20220523175847-2.png", version {1}

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@@ -43,7 +43,7 @@
  **Hardware System:**
  * STM32L072CZT6 MCU
--* SX1276/78 Wireless Chip
++* SX1276/78 Wireless Chip
  * Power Consumption:
  ** Idle: 4mA@12v
  ** 20dB Transmit: 34mA@12v
@@ -55,7 +55,7 @@
  * 2 x Relay Output (5A@250VAC / 30VDC)
  * 2 x 0~~20mA Analog Input (res:0.01mA)
  * 2 x 0~~30V Analog Input (res:0.01v)
--* Power Input 7~~ 24V DC.
++* Power Input 7~~ 24V DC.
  **LoRa Spec:**
@@ -99,7 +99,7 @@
  == 1.5 Hardware Variants ==
--(% border="1" style="background-color:#f7faff; width:540px" %)
++(% 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" %)(((
  * 2 x Digital Input (Bi-direction)
@@ -110,110 +110,82 @@
  * 1 x Counting Port
  )))
--2.
++= 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:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
++[[image:1653297104069-180.png]]
++= 3. Operation Mode =
++== 3.1 How it works? ==
++The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second.
--
--1. Operation Mode
--11. How it works?
--
--The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on TX LED will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. TX LED will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second.
--
--
  In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:#AT_Command]] to set the keys in the devices.
++3.2 Example to join LoRaWAN network
--1.
--11. Example to join LoRaWAN network
++This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here.
--This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here.
++[[image:image-20220523172350-1.png||height="266" width="864"]]
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
--
++(((
  The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
++)))
++(((
  **Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
++)))
++(((
  Each LT is shipped with a sticker with the default device EUI as below:
++)))
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
++[[image:1653297924498-393.png]]
--
--
--
  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
  Add APP EUI in the application.
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
++[[image:1653297955910-247.png||height="321" width="716"]]
  Add APP KEY and DEV EUI
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
++[[image:1653298023685-319.png]]
++(((
  **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:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
++[[image:1653298044601-602.png||height="405" width="709"]]
++== 3.3 Uplink Payload ==
--1.
--11. Uplink Payload
--
  There are five working modes + one interrupt mode on LT for different type application:
--* [[MOD1>>path:#MOD1]]: (default setting): 2 x ACI + 2AVI + DI + DO + RO
--* [[MOD2>>path:#MOD2]]: Double DI Counting + DO + RO
--* [[MOD3>>path:#MOD3]]: Single DI Counting + 2 x ACI + DO + RO
--* [[MOD4>>path:#MOD4]]: Single DI Counting + 1 x Voltage Counting + DO + RO
--* [[MOD5>>path:#MOD5]]: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
--* [[ADDMOD6>>path:#MOD6]]: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
++* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
++* **MOD2**: Double DI Counting + DO + RO
++* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
++* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
++* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
++* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
++=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
--1.
--11.
--111. 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]]
--|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
++[[image:image-20220523174254-4.png]]
--voltage
--)))|(((
--ACI1
--
--Current
--)))|(((
--ACI2
--
--Current
--)))|DIDORO*|(((
--Reserve
--
--
--)))|MOD
--
--
--**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
--
--|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
--|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
--
  * RO is for relay. ROx=1 : close，ROx=0 always open.
  * 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.
@@ -223,7 +223,7 @@
  For example if payload is: 04 AB 04 AC 13 10 13 00 AA FF 01
--The value for the interface is:
++The value for the interface is:
  AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
@@ -249,7 +249,6 @@
  * [1] DI2 channel is high input and DI2 LED is ON;
  * [0] DI1 channel is low input;
--
  * [0] DO3 channel output state
  ** DO3 is float in case no load between DO3 and V+.;
  ** DO3 is high in case there is load between DO3 and V+.
@@ -261,9 +261,8 @@
  ** DO1 LED is off in both case
--
--1.
--11.
++1.
++11.
 . AT+MOD=2, (Double DI Counting)
  **For LT-33222-L**: this mode the **DI3** is used as a counting pin. Counting on DI3 reflect in COUNT1.
@@ -273,6 +273,7 @@
  Total : 11 bytes payload
++(% border="1" style="background-color:#f7faff; height:10px; width:500px" %)
  |Size(bytes)|4|4|1|1|1
  |Value|COUNT1|COUNT2 |DIDORO*|(((
  Reserve
@@ -280,9 +280,9 @@
  )))|MOD
--
  **DIDORO** is a combination for RO1, RO2, 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
@@ -335,8 +335,8 @@
--1.
--11.
++1.
++11.
 . AT+MOD=3, Single DI Counting + 2 x ACI
  **LT33222-L**: This mode the DI3 is used as a counting pin.
@@ -344,6 +344,7 @@
  **LT22222-L**: This mode the DI1 is used as a counting pin.
++(% border="1" style="background-color:#f7faff" %)
  |Size(bytes)|4|2|2|1|1|1
  |Value|COUNT1|(((
  ACI1
@@ -355,9 +355,9 @@
  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
@@ -380,8 +380,8 @@
--1.
--11.
++1.
++11.
 . AT+MOD=4, Single DI Counting + 1 x Voltage Counting
  **LT33222-L**: This mode the DI3 is used as a counting pin.
@@ -392,6 +392,7 @@
  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" style="background-color:#f7faff" %)
  |Size(bytes)|4|4|1|1|1
  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
  Reserve
@@ -399,9 +399,9 @@
  )))|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
@@ -434,16 +434,16 @@
--1.
--11.
++1.
++11.
 . 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.
++(% border="1" style="background-color:#f7faff" %)
  |Size(bytes)|2|2|2|2|1|1|1
  |Value|(((
  AVI1
@@ -464,9 +464,9 @@
  )))|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
@@ -490,11 +490,10 @@
--1.
--11.
++1.
++11.
 . 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:
@@ -502,13 +502,11 @@
  * AT+MOD=1   à The normal working mode
  * AT+ADDMOD6=1    à Enable trigger
--
  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
 . 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
 . 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.**
--
  **AT Command to set Trigger Condition**:
  **Trigger base on voltage**:
@@ -579,6 +579,7 @@
  MOD6 Payload : total 11 bytes payload
++(% border="1" style="background-color:#f7faff" %)
  |Size(bytes)|1|1|1|6|1|1
  |Value|(((
  TRI_A
@@ -599,9 +599,9 @@
  )))
--
  **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_
@@ -646,6 +646,7 @@
  **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_
@@ -692,6 +692,7 @@
  **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
@@ -714,11 +714,10 @@
  When device got this command, it will send the MOD6 payload.
--1.
--11.
++1.
++11.
 . 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/]]
@@ -727,7 +727,7 @@
--1.
++1.
 . Configure LT via AT or Downlink
  User can configure LT I/O Controller via [[AT Commands >>path:#_Using_the_AT]]or LoRaWAN Downlink Commands
@@ -738,20 +738,17 @@
  * **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
--
--1.
--11.
++1.
++11.
 . 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
--1.
--11.
++1.
++11.
 . Sensor related commands:
--
  ==== Set Transmit Interval ====
  Set device uplink interval.
@@ -951,6 +951,7 @@
 : 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
@@ -988,22 +988,23 @@
  **Third Byte**: Control Method and Ports status:
++(% border="1" style="background-color:#f7faff" %)
  |Second Byte|Status
  |0x01|DO1 set to low
  |0x00|DO1 set to high
  |0x11|DO1 NO Action
--
  **Fourth Byte**: Control Method and Ports status:
++(% border="1" style="background-color:#f7faff" %)
  |Second Byte|Status
  |0x01|DO2 set to low
  |0x00|DO2 set to high
  |0x11|DO2 NO Action
--
  **Fifth Byte**: Control Method and Ports status:
++(% border="1" style="background-color:#f7faff" %)
  |Second Byte|Status
  |0x01|DO3 set to low
  |0x00|DO3 set to high
@@ -1056,6 +1056,7 @@
 : 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
@@ -1093,6 +1093,7 @@
  **Third Byte(bb)**: Control Method and Ports status:
++(% border="1" style="background-color:#f7faff" %)
  |Value|Status
  |0x11|RO1 and RO2 to NO
  |0x10|RO2 to NO, RO1 to NC
@@ -1103,7 +1103,6 @@
  |0x02|RO1 to NC, RO2 No Action
  |0x12|RO1 to NO, RO2 No Action
--
  **Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
  Device will upload a packet if downlink code executes successfully.
@@ -1205,10 +1205,9 @@
--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:
@@ -1253,7 +1253,7 @@
  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
--1.
++1.
 . Interface Detail
 . Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
@@ -1263,8 +1263,8 @@
--1.
--11.
++1.
++11.
 . Digital Input Port: DI1/DI2 ( For LT-22222-L)
  The DI port of LT-22222-L can support NPN or PNP output sensor.
@@ -1306,7 +1306,7 @@
  **Example3**: Connect to a 220v high active sensor.公司测试一下
--Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
++Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
  * Connect sensor’s output to DI1+ with a serial 50K resistor
  * Connect sensor’s GND DI1-.
@@ -1318,8 +1318,8 @@
  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.
@@ -1329,8 +1329,8 @@
--1.
--11.
++1.
++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:
@@ -1362,8 +1362,8 @@
--1.
--11.
++1.
++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:
@@ -1377,10 +1377,10 @@
--1.
++1.
 . LEDs Indicators
--
++(% border="1" style="background-color:#f7faff" %)
  |**LEDs**|**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.
@@ -1416,7 +1416,6 @@
--
 . Use AT Command
 . Access AT Command
@@ -1526,7 +1526,7 @@
--1.
++1.
 . Common AT Command Sequence
 . Multi-channel ABP mode (Use with SX1301/LG308)
@@ -1549,8 +1549,8 @@
  ATZ
--1.
--11.
++1.
++11.
 . Single-channel ABP mode (Use with LG01/LG02)
    Enter Password to have AT access.
@@ -1589,11 +1589,10 @@
  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
--1.
--11.
++1.
++11.
 . Change to Class A
--
  If sensor JOINED
  AT+CLASS=A
@@ -1606,8 +1606,7 @@
 . 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:
@@ -1616,7 +1616,6 @@
  * For bug fix
  * Change LoRaWAN bands.
--
  Below shows the hardware connection for how to upload an image to the LT:
  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
@@ -1661,13 +1661,13 @@
  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
--1.
++1.
 . How to change the LoRa Frequency Bands/Region?
  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.
@@ -1710,7 +1710,7 @@
--1.
++1.
 . Can I see counting event in Serial?
  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.
@@ -1726,7 +1726,7 @@
  [[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:
@@ -1734,7 +1734,7 @@
  [[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:
@@ -1746,7 +1746,6 @@
 . Order Info
--
  **For LT-33222-L-XXX or LT-22222-L-XXX:**
  **XXX:**
@@ -1761,7 +1761,6 @@
  * **IN865**: LT with frequency bands IN865
  * **CN779**: LT with frequency bands CN779
--
 . Packing Info
  **Package Includes**:
@@ -1771,7 +1771,6 @@
  * Bracket for controller x1
  * Program cable x 1
--
  **Dimension and weight**:
  * Device Size: 13.5 x 7 x 3 cm
@@ -1779,7 +1779,6 @@
  * Package Size / pcs : 14.5 x 8 x 5 cm
  * Weight / pcs : 170g
--
 . 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.

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

Summary

Details

Applications

Navigation