Last modified by Saxer Lin on 2025/04/15 17:24
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From version < 88.1 >
edited by Bei Jinggeng
on 2022/07/19 11:02
To version < 83.1 >
edited by Bei Jinggeng
on 2022/06/28 13:36
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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:**
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166 166  Packet engine up to 256 bytes with CRC.
167 167  
168 168  
170 +
169 169  
170 170  )))
171 171  
... ... @@ -179,6 +179,7 @@
179 179  * Firmware upgradable via program port
180 180  * Counting
181 181  
184 +
182 182  == 1.4  Applications ==
183 183  
184 184  * Smart Buildings & Home Automation
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188 188  * Smart Cities
189 189  * Smart Factory
190 190  
194 +
191 191  == 1.5 Hardware Variants ==
192 192  
193 193  (% border="1" style="background-color:#f7faff; width:500px" %)
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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  
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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  
288 +
289 +
284 284  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
285 285  
286 286  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
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334 334  ** DO1 is high in case there is load between DO1 and V+.
335 335  ** DO1 LED is off in both case
336 336  
343 +
344 +
337 337  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
338 338  
339 339  
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407 407  [[image:image-20220523181246-5.png]]
408 408  
409 409  (((
410 -
411 -
412 412  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
413 413  )))
414 414  
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422 422  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
423 423  )))
424 424  
425 -
426 426  (((
427 427  **To use counting mode, please run:**
428 428  )))
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555 555  
556 556  For example, if user has configured below commands:
557 557  
558 -* **AT+MOD=1 ** **~-~->**  The normal working mode
559 -* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
563 +* **AT+MOD=1 ** **~-~->** The normal working mode
564 +* **AT+ADDMOD6=1**   **~-~->** Enable trigger
560 560  
561 561  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
562 562  
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565 565  
566 566  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
567 567  
568 -
569 569  (% style="color:#4f81bd" %)**Trigger base on voltage**:
570 570  
571 571  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
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705 705  
706 706  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
707 707  
712 +
713 +
708 708  === 3.4.1 Common Commands ===
709 709  
710 710  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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713 713  
714 714  === 3.4.2 Sensor related commands ===
715 715  
716 -
717 717  ==== 3.4.2.1 Set Transmit Interval ====
718 718  
719 719  Set device uplink interval.
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767 767  
768 768  
769 769  
770 -
771 771  ==== 3.4.2.4 Enable Trigger Mode ====
772 772  
773 773  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
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924 924  
925 925  
926 926  
927 -
928 928  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
929 929  
930 930  * (% style="color:#037691" %)**AT Command**
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1076 1076  
1077 1077  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1078 1078  
1079 -[[image:image-20220714135731-1.png||height="406" width="627"]]
1082 +[[image:image-20220524093831-10.png]]
1080 1080  
1081 1081  
1082 1082  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
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1086 1086  
1087 1087  **Example payload:**
1088 1088  
1089 -**~1. 05 01 11 07 D**
1092 +**~1. 05 01 11 07 D0**
1090 1090  
1091 -Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1094 +Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1092 1092  
1093 1093  **2. 05 01 10 07 D0**
1094 1094  
1095 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1098 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1096 1096  
1097 1097  **3. 05 00 01 07 D0**
1098 1098  
1099 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1102 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1100 1100  
1101 1101  **4. 05 00 00 07 D0**
1102 1102  
1103 -Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1106 +Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1104 1104  
1105 1105  
1106 1106  
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1767 1767  
1768 1768  
1769 1769  (% style="color:blue" %)**For LT-22222-L**(%%):
1770 -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.
1773 +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.
1771 1771  )))
1772 1772  
1773 1773   [[image:image-20220524103407-12.png]]
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1882 1882  
1883 1883  (((
1884 1884  (((
1885 -== 6.1 Downlink doesn't work, how to solve it? ==
1888 +== 6.1 Downlink doesn’t work, how to solve it? ==
1886 1886  )))
1887 1887  )))
1888 1888  
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1903 1903  (((
1904 1904  
1905 1905  
1906 -== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
1909 +== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1907 1907  )))
1908 1908  
1909 1909  (((
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1913 1913  
1914 1914  = 7. Order Info =
1915 1915  
1916 -
1917 1917  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1918 1918  
1921 +
1919 1919  (% style="color:#4f81bd" %)**XXX:**
1920 1920  
1921 -* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
1922 -* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
1923 -* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
1924 -* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
1925 -* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
1926 -* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
1927 -* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
1928 -* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
1929 -* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1924 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1925 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1926 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1927 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1928 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1929 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1930 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1931 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1932 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1930 1930  
1931 -
1932 -
1933 -
1934 1934  = 8. Packing Info =
1935 1935  
1936 1936  
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1948 1948  * Package Size / pcs : 14.5 x 8 x 5 cm
1949 1949  * Weight / pcs : 170g
1950 1950  
1951 -
1952 -
1953 -
1954 1954  = 9. Support =
1955 1955  
1956 1956  * (((
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1958 1958  )))
1959 1959  * (((
1960 1960  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]]
1961 -)))
1962 1962  
1963 1963  
1964 1964  
1961 +
1962 +)))
1963 +
1965 1965  = 10. Reference​​​​​ =
1966 1966  
1967 1967  * 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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