Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 83.13 >
edited by Xiaoling
on 2022/06/29 17:56
To version < 82.37 >
edited by Xiaoling
on 2022/06/20 13:59
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1 1  (% style="text-align:center" %)
2 2  [[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3 3  
4 +**LT-22222-L LoRa IO Controller User Manual **
4 4  
5 5  
6 6  **Table of Contents:**
... ... @@ -166,6 +166,7 @@
166 166  Packet engine up to 256 bytes with CRC.
167 167  
168 168  
170 +
169 169  
170 170  )))
171 171  
... ... @@ -201,6 +201,8 @@
201 201  * 1 x Counting Port
202 202  )))
203 203  
206 +
207 +
204 204  = 2. Power ON Device =
205 205  
206 206  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.
... ... @@ -218,11 +218,11 @@
218 218  == 3.1 How it works? ==
219 219  
220 220  (((
221 -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 (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**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. 
225 +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. 
222 222  )))
223 223  
224 224  (((
225 -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>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
229 +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>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
226 226  )))
227 227  
228 228  
... ... @@ -274,14 +274,13 @@
274 274  
275 275  There are five working modes + one interrupt mode on LT for different type application:
276 276  
277 -* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
278 -* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
279 -* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
280 -* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
281 -* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
282 -* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
281 +* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
282 +* **MOD2**: Double DI Counting + DO + RO
283 +* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
284 +* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
285 +* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286 +* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
283 283  
284 -
285 285  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
286 286  
287 287  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -320,7 +320,6 @@
320 320  * [1] RO1 relay channel is close and the RO1 LED is ON.
321 321  * [0] RO2 relay channel is open and RO2 LED is OFF;
322 322  
323 -
324 324  **LT22222-L:**
325 325  
326 326  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -336,7 +336,6 @@
336 336  ** DO1 is high in case there is load between DO1 and V+.
337 337  ** DO1 LED is off in both case
338 338  
339 -
340 340  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
341 341  
342 342  
... ... @@ -410,8 +410,6 @@
410 410  [[image:image-20220523181246-5.png]]
411 411  
412 412  (((
413 -
414 -
415 415  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
416 416  )))
417 417  
... ... @@ -425,7 +425,6 @@
425 425  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
426 426  )))
427 427  
428 -
429 429  (((
430 430  **To use counting mode, please run:**
431 431  )))
... ... @@ -558,8 +558,8 @@
558 558  
559 559  For example, if user has configured below commands:
560 560  
561 -* **AT+MOD=1 ** **~-~->**  The normal working mode
562 -* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
559 +* **AT+MOD=1 ** **~-~->** The normal working mode
560 +* **AT+ADDMOD6=1**   **~-~->** Enable trigger
563 563  
564 564  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
565 565  
... ... @@ -566,9 +566,9 @@
566 566  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
567 567  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.**
568 568  
567 +
569 569  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
570 570  
571 -
572 572  (% style="color:#4f81bd" %)**Trigger base on voltage**:
573 573  
574 574  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -708,7 +708,6 @@
708 708  
709 709  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
710 710  
711 -
712 712  === 3.4.1 Common Commands ===
713 713  
714 714  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
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717 717  
718 718  === 3.4.2 Sensor related commands ===
719 719  
720 -
721 721  ==== 3.4.2.1 Set Transmit Interval ====
722 722  
723 723  Set device uplink interval.
... ... @@ -771,7 +771,6 @@
771 771  
772 772  
773 773  
774 -
775 775  ==== 3.4.2.4 Enable Trigger Mode ====
776 776  
777 777  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -803,7 +803,7 @@
803 803  
804 804  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
805 805  
806 -**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
801 +**0xAB 06  **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
807 807  
808 808  
809 809  
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849 849  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
850 850  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
851 851  
847 +
848 +
849 +
852 852  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
853 853  
854 854  Set DI2 trigger.
... ... @@ -913,7 +913,7 @@
913 913  
914 914  * (% style="color:#037691" %)**AT Command**
915 915  
916 -**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
914 +**AT+ATDC=5  ** Device won't response the second trigger within 5 minute after the first trigger.
917 917  
918 918  
919 919  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
... ... @@ -920,15 +920,9 @@
920 920  
921 921  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
922 922  
923 -(((
924 -
925 925  
926 -(% style="color:red" %)Note: ATDC setting must be more than 5min
927 -)))
928 928  
929 929  
930 -
931 -
932 932  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
933 933  
934 934  * (% style="color:#037691" %)**AT Command**
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1153 1153  
1154 1154  * (% style="color:#037691" %)**AT Command:**
1155 1155  
1156 -**AT+CLRCOUNT ** ~/~/ clear all counting
1148 +(% style="color:#037691" %)​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1157 1157  
1158 1158  
1159 1159  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
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1771 1771  
1772 1772  
1773 1773  (% style="color:blue" %)**For LT-22222-L**(%%):
1774 -Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
1766 +Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1775 1775  )))
1776 1776  
1777 1777   [[image:image-20220524103407-12.png]]
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1886 1886  
1887 1887  (((
1888 1888  (((
1889 -== 6.1 Downlink doesn't work, how to solve it? ==
1881 +== 6.1 Downlink doesn’t work, how to solve it? ==
1890 1890  )))
1891 1891  )))
1892 1892  
... ... @@ -1907,7 +1907,7 @@
1907 1907  (((
1908 1908  
1909 1909  
1910 -== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
1902 +== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1911 1911  )))
1912 1912  
1913 1913  (((
... ... @@ -1915,28 +1915,28 @@
1915 1915  )))
1916 1916  
1917 1917  
1910 +
1918 1918  = 7. Order Info =
1919 1919  
1920 1920  
1921 1921  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1922 1922  
1916 +
1923 1923  (% style="color:#4f81bd" %)**XXX:**
1924 1924  
1925 -* (% style="color:red" %)**EU433**(%%): LT with frequency bands EU433
1926 -* (% style="color:red" %)**EU868**(%%): LT with frequency bands EU868
1927 -* (% style="color:red" %)**KR920**(%%): LT with frequency bands KR920
1928 -* (% style="color:red" %)**CN470**(%%): LT with frequency bands CN470
1929 -* (% style="color:red" %)**AS923**(%%): LT with frequency bands AS923
1930 -* (% style="color:red" %)**AU915**(%%): LT with frequency bands AU915
1931 -* (% style="color:red" %)**US915**(%%): LT with frequency bands US915
1932 -* (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
1933 -* (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
1919 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1920 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1921 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1922 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1923 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1924 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1925 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1926 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1927 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1934 1934  
1935 1935  
1936 1936  
1937 1937  
1938 -
1939 -
1940 1940  = 8. Packing Info =
1941 1941  
1942 1942  
... ... @@ -1957,8 +1957,6 @@
1957 1957  
1958 1958  
1959 1959  
1960 -
1961 -
1962 1962  = 9. Support =
1963 1963  
1964 1964  * (((
... ... @@ -1966,13 +1966,12 @@
1966 1966  )))
1967 1967  * (((
1968 1968  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]]
1969 -)))
1970 1970  
1971 1971  
1961 +
1972 1972  
1963 +)))
1973 1973  
1974 -
1975 -
1976 1976  = 10. Reference​​​​​ =
1977 1977  
1978 1978  * 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]]

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