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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 230.1
edited by Dilisi S
on 2024/12/09 02:51
Change comment: Dec 8 edits - add some details to AT commands
To version 224.1
edited by Xiaoling
on 2024/11/27 17:03
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.pradeeka
1 +XWiki.Xiaoling
Content
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125 125  (% style="text-align:center" %)
126 126  [[image:lt33222-l.jpg||height="116" width="100"]]
127 127  )))|(% style="width:256px" %)(((
128 -* 2 x Digital Input (Bi-direction)
129 -* 2 x Digital Output
128 +* 3 x Digital Input (Bi-direction)
129 +* 3 x Digital Output
130 130  * 2 x Relay Output (5A@250VAC / 30VDC)
131 131  * 2 x 0~~20mA Analog Input (res:0.01mA)
132 132  * 2 x 0~~30V Analog Input (res:0.01v)
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178 178  The LT-22222-L I/O Controller can be powered by a **7–24V DC** power source. Connect your power supply’s **positive wire** to the **VIN** and the **negative wire** to the **GND** screw terminals. The power indicator **(PWR) LED** will turn on when the device is properly powered.
179 179  
180 180  {{warning}}
181 -**We recommend that you power on the LT-22222-L after adding its registration information to the LoRaWAN network server. Otherwise, the device will continuously send join-request messages to attempt to join a LoRaWAN network but will fail.**
181 +**We recommend that you power on the LT-22222-L after configuring its registration information with a LoRaWAN network server. Otherwise, the device will continuously send join-request messages to attempt to join a LoRaWAN network but will fail.**
182 182  {{/warning}}
183 183  
184 184  
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315 315  [[image:lt-22222-ul-payload-fmt.png]]
316 316  
317 317  
318 -We also have a payload formatter that resolves some decoding issues present in the Device Repository formatter. You can add it under the Custom JavaScript formatter. It can be found [[here>>https://github.com/dragino/dragino-end-node-decoder/blob/main/LT22222-L/v1.6_decoder_ttn%20.txt]]:
319 -
320 -(% class="wikigeneratedid" %)
321 -[[image:lt-22222-l-js-custom-payload-formatter.png]]
322 -
323 -
324 324  ==== 3.2.2.6 Downlinks ====
325 325  
326 326  When the LT-22222-L receives a downlink message from the server, the **RX LED** turns on for **1 second**.
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901 901  
902 902  (% border="2" style="width:500px" %)
903 903  |**Command**|AT+TDC=<time>
904 -|**Parameters**|**time **: uplink interval in milliseconds
905 -|**Get**|AT+TDC=?
906 -|**Response**|(((
907 -current uplink interval
908 -
909 -OK
910 -)))
911 -|**Set**|AT+TDC=<time>
912 -|**Response**|OK
898 +|**Response**|
899 +|**Parameters**|**time** : uplink interval is in **milliseconds**
913 913  |**Example**|(((
914 914  AT+TDC=30000
915 915  
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925 925  |**Parameters**|(((
926 926  **prefix** : 0x01
927 927  
928 -**time** : uplink interval in **seconds**, represented by **3  bytes** in **hexadecimal**.
915 +**time** : uplink interval is in **seconds**, represented by **3  bytes** in **hexadecimal**.
929 929  )))
930 930  |**Example**|(((
931 931  01 **00 00 1E**
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946 946  (% style="color:#037691" %)**AT command**
947 947  
948 948  (% border="2" style="width:500px" %)
949 -|(% style="width:97px" %)**Command**|(% style="width:413px" %)AT+MOD=<working_mode>
936 +|(% style="width:97px" %)**Command**|(% style="width:413px" %)AT+MODE=<working_mode>
937 +|(% style="width:97px" %)**Response**|(% style="width:413px" %)
950 950  |(% style="width:97px" %)**Parameters**|(% style="width:413px" %)(((
951 951  **working_mode** :
952 952  
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962 962  
963 963  6 = Trigger Mode, Optional, used together with MOD1 ~~ MOD5
964 964  )))
965 -|(% style="width:97px" %)**Get**|(% style="width:413px" %)AT+MOD=?
966 -|(% style="width:97px" %)**Response**|(% style="width:413px" %)(((
967 -Current working mode
968 -
969 -OK
970 -)))
971 -|(% style="width:97px" %)**Set**|(% style="width:413px" %)AT+MOD=<working_mode>
972 -|(% style="width:97px" %)**Response**|(% style="width:413px" %)(((
973 -Attention:Take effect after ATZ
974 -
975 -OK
976 -)))
977 977  |(% style="width:97px" %)**Example**|(% style="width:413px" %)(((
978 978  AT+MOD=2
979 979  
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1908 1908  
1909 1909  ==== 3.4.2.25 Copy downlink to uplink ====
1910 1910  
1911 -This command enables the device to immediately uplink the payload of a received downlink packet back to the server. The command allows for quick data replication from downlink to uplink, with a fixed port number of 100.
1887 +This command enables the device to immediately uplink the content of a received downlink packet back to the server. The command allows for quick data replication from downlink to uplink, with a fixed port number of 100.
1912 1912  
1913 -(% style="color:#037691" %)**AT Command**(%%)**:**
1889 +* (% style="color:#037691" %)**AT Command**(%%)**:**
1914 1914  
1915 -(% style="color:blue" %)**AT+RPL=5**   (%%) ~/~/ After receiving a downlink payload from the server, the device will immediately uplink the payload back to the server using port number 100.
1891 +(% 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.
1916 1916  
1917 -Example：**aa xx xx xx xx**         ~/~/ **aa** indicates whether the configuration has changed: **00** means YES, and **01** means NO. **xx xx xx xx** are the bytes uplinked back.
1893 +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.
1918 1918  
1919 1919  
1920 1920  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
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1921 1921  
1922 1922  For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1923 1923  
1924 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1900 +(% border="2" style="width:500px" %)
1901 +|(% style="width:122px" %)**Command**|(% style="width:376px" %)(((
1902 +AT+RPL=5
1925 1925  
1926 -For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1904 +After receiving a downlink packet from the server, the node immediately uplinks the content of the packet back to the server using port number 100.
1905 +)))
1906 +|(% style="width:122px" %)**Example**|(% style="width:376px" %)(((
1907 +Downlink:
1927 1927  
1909 +01 00 02 58
1928 1928  
1929 -(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1911 +Uplink:
1930 1930  
1931 -There is no downlink option available for this feature.
1913 +01 01 00 02 58
1914 +)))
1932 1932  
1916 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1933 1933  
1918 +For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1919 +
1920 +
1921 +
1934 1934  ==== 3.4.2.26 Query firmware version, frequency band, sub band, and TDC time ====
1935 1935  
1936 1936  This command is used to query key information about the device, including its firmware version, frequency band, sub band, and TDC time. By sending the specified payload as a downlink, the server can retrieve this essential data from the device.
Screenshot 2024-12-08 193946.png
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