Last modified by Saxer Lin on 2025/04/15 17:24
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From version < 83.8 >
edited by Xiaoling
on 2022/06/29 17:28
To version < 82.38 >
edited by Xiaoling
on 2022/06/25 15:11
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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 +179,10 @@
179 179  * Firmware upgradable via program port
180 180  * Counting
181 181  
184 +
185 +
186 +
187 +
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  
197 +
198 +
199 +
200 +
191 191  == 1.5 Hardware Variants ==
192 192  
193 193  (% border="1" style="background-color:#f7faff; width:500px" %)
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201 201  * 1 x Counting Port
202 202  )))
203 203  
214 +
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.
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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. 
232 +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.
236 +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
288 +* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
289 +* **MOD2**: Double DI Counting + DO + RO
290 +* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
291 +* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
292 +* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
293 +* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
283 283  
284 -
285 -
286 286  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
287 287  
288 288  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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321 321  * [1] RO1 relay channel is close and the RO1 LED is ON.
322 322  * [0] RO2 relay channel is open and RO2 LED is OFF;
323 323  
324 -
325 -
326 326  **LT22222-L:**
327 327  
328 328  * [1] DI2 channel is high input and DI2 LED is ON;
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338 338  ** DO1 is high in case there is load between DO1 and V+.
339 339  ** DO1 LED is off in both case
340 340  
341 -
342 -
343 343  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
344 344  
345 345  
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413 413  [[image:image-20220523181246-5.png]]
414 414  
415 415  (((
416 -
417 -
418 418  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
419 419  )))
420 420  
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428 428  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
429 429  )))
430 430  
431 -
432 432  (((
433 433  **To use counting mode, please run:**
434 434  )))
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561 561  
562 562  For example, if user has configured below commands:
563 563  
564 -* **AT+MOD=1 ** **~-~->**  The normal working mode
565 -* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
566 +* **AT+MOD=1 ** **~-~->** The normal working mode
567 +* **AT+ADDMOD6=1**   **~-~->** Enable trigger
566 566  
567 567  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
568 568  
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848 848  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
849 849  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
850 850  
853 +
854 +
851 851  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
852 852  
853 853  Set DI2 trigger.
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919 919  
920 920  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
921 921  
922 -(((
923 -
924 924  
925 -(% style="color:red" %)Note: ATDC setting must be more than 5min
926 -)))
927 927  
928 928  
929 -
930 930  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
931 931  
932 932  * (% style="color:#037691" %)**AT Command**
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1913 1913  )))
1914 1914  
1915 1915  
1915 +
1916 1916  = 7. Order Info =
1917 1917  
1918 +
1918 1918  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1919 1919  
1920 1920  
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1930 1930  * (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1931 1931  * (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1932 1932  
1934 +
1935 +
1933 1933  = 8. Packing Info =
1934 1934  
1935 1935  
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1947 1947  * Package Size / pcs : 14.5 x 8 x 5 cm
1948 1948  * Weight / pcs : 170g
1949 1949  
1953 +
1954 +
1950 1950  = 9. Support =
1951 1951  
1952 1952  * (((

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