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... ... @@ -4,13 +4,8 @@
4 4  **LT-22222-L LoRa IO Controller User Manual **
5 5  
6 6  
7 -**Table of Contents:**
8 8  
9 -{{toc/}}
10 10  
11 -
12 -
13 -
14 14  = 1.Introduction =
15 15  
16 16  == 1.1 What is LT Series I/O Controller ==
... ... @@ -48,7 +48,7 @@
48 48  **Hardware System:**
49 49  
50 50  * STM32L072CZT6 MCU
51 -* SX1276/78 Wireless Chip 
46 +* SX1276/78 Wireless Chip
52 52  * Power Consumption:
53 53  ** Idle: 4mA@12v
54 54  ** 20dB Transmit: 34mA@12v
... ... @@ -60,7 +60,7 @@
60 60  * 2 x Relay Output (5A@250VAC / 30VDC)
61 61  * 2 x 0~~20mA Analog Input (res:0.01mA)
62 62  * 2 x 0~~30V Analog Input (res:0.01v)
63 -* Power Input 7~~ 24V DC. 
58 +* Power Input 7~~ 24V DC.
64 64  
65 65  **LoRa Spec:**
66 66  
... ... @@ -104,7 +104,7 @@
104 104  
105 105  == 1.5 Hardware Variants ==
106 106  
107 -(% border="1" style="background-color:#f7faff; width:500px" %)
102 +(% border="1" cellpadding="2" style="background-color:#f7faff; width:540px" %)
108 108  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
109 109  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
110 110  * 2 x Digital Input (Bi-direction)
... ... @@ -127,7 +127,7 @@
127 127  
128 128  = 3. Operation Mode =
129 129  
130 -== 3.1 How it works? ==
125 +== 3.1 How it works? ==
131 131  
132 132  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. 
133 133  
... ... @@ -135,7 +135,7 @@
135 135  
136 136  3.2 Example to join LoRaWAN network
137 137  
138 -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. 
133 +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.
139 139  
140 140  [[image:image-20220523172350-1.png||height="266" width="864"]]
141 141  
... ... @@ -158,7 +158,7 @@
158 158  
159 159  Add APP EUI in the application.
160 160  
161 -[[image:1653297955910-247.png||height="321" width="716"]]
156 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]][[image:1653297955910-247.png||height="321" width="716"]]
162 162  
163 163  Add APP KEY and DEV EUI
164 164  
... ... @@ -170,7 +170,7 @@
170 170  
171 171  [[image:1653298044601-602.png||height="405" width="709"]]
172 172  
173 -== 3.3 Uplink Payload ==
168 +== [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]3.3 Uplink Payload ==
174 174  
175 175  There are five working modes + one interrupt mode on LT for different type application:
176 176  
... ... @@ -187,10 +187,9 @@
187 187  
188 188  [[image:image-20220523174024-3.png]]
189 189  
190 -(((
191 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
192 -)))
193 193  
186 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
187 +
194 194  [[image:image-20220523174254-4.png]]
195 195  
196 196  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -197,12 +197,13 @@
197 197  * DI is for digital input. DIx=1: high or float, DIx=0: low.
198 198  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
199 199  
200 -(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
194 +Note: DI3 and DO3 bit are not valid for LT-22222-L
201 201  
202 -For example if payload is: [[image:image-20220523175847-2.png]]
203 203  
204 -**The value for the interface is:  **
197 +For example if payload is: 04 AB 04 AC 13 10 13 00 AA FF 01
205 205  
199 +The value for the interface is:
200 +
206 206  AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
207 207  
208 208  AVI2 channel voltage is 0x04AC/1000=1.196V
... ... @@ -216,11 +216,18 @@
216 216  * [1] RO1 relay channel is close and the RO1 LED is ON.
217 217  * [0] RO2 relay channel is open and RO2 LED is OFF;
218 218  
219 -**LT22222-L:**
214 +LT33222-L:
220 220  
216 +* [1] DI3 channel is high input and DI3 LED is OFF;
217 +* [0] DI2 channel is low input;
218 +* [1] DI1 channel is high input and DI1 LED is OFF;
219 +
220 +LT22222-L:
221 +
221 221  * [1] DI2 channel is high input and DI2 LED is ON;
222 222  * [0] DI1 channel is low input;
223 223  
225 +
224 224  * [0] DO3 channel output state
225 225  ** DO3 is float in case no load between DO3 and V+.;
226 226  ** DO3 is high in case there is load between DO3 and V+.
... ... @@ -231,236 +231,299 @@
231 231  ** DO1 is high in case there is load between DO1 and V+.
232 232  ** DO1 LED is off in both case
233 233  
234 -=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
235 235  
237 +
238 +1.
239 +11.
240 +111. AT+MOD=2, (Double DI Counting)
241 +
242 +**For LT-33222-L**: this mode the **DI3** is used as a counting pin. Counting on DI3 reflect in COUNT1.
243 +
236 236  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
237 237  
246 +
238 238  Total : 11 bytes payload
239 239  
240 -[[image:image-20220523180452-3.png]]
249 +(% border="1" style="background-color:#f7faff; height:10px; width:500px" %)
250 +|Size(bytes)|4|4|1|1|1
251 +|Value|COUNT1|COUNT2 |DIDORO*|(((
252 +Reserve
241 241  
242 -(((
243 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
244 -)))
254 +
255 +)))|MOD
245 245  
246 -[[image:image-20220523180506-4.png]]
247 247  
258 +**DIDORO** is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
259 +
260 +(% border="1" style="background-color:#f7faff" %)
261 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
262 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
263 +
248 248  * RO is for relay. ROx=1 : close，ROx=0 always open.
249 249  * FIRST: Indicate this is the first packet after join network.
250 250  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
251 251  
252 -(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
268 +Note: DO3 bit is not valid for LT-22222-L.
253 253  
254 -**To use counting mode, please run:**
255 255  
256 -(% class="box infomessage" %)
257 -(((
258 -**AT+MOD=2**
259 -)))
271 +To use counting mode, please run:
260 260  
261 -(% class="box infomessage" %)
262 -(((
263 -**ATZ**
264 -)))
273 +AT+MOD=2
265 265  
266 -(% style="color:#4f81bd" %)**AT Commands for counting:**
275 +ATZ
267 267  
277 +
278 +AT Commands for counting:
279 +
280 +**For LT33222-L:**
281 +
282 +AT+TRIG1=0,100 (set DI3 port to trigger on low level, valid signal is 100ms)
283 +
284 +AT+TRIG1=1,100 (set DI3 port to trigger on high level, valid signal is 100ms )
285 +
286 +AT+SETCNT=1,60   (Set COUNT1 value to 60)
287 +
288 +
268 268  **For LT22222-L:**
269 269  
270 -(% class="box infomessage" %)
271 -(((
272 -**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
273 -)))
291 +AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms)
274 274  
275 -(% class="box infomessage" %)
276 -(((
277 -**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
278 -)))
293 +AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
279 279  
280 -(% class="box infomessage" %)
281 -(((
282 -**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
283 -)))
295 +AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms)
284 284  
285 -(% class="box infomessage" %)
286 -(((
287 -**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
288 -)))
297 +AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms )
289 289  
290 -(% class="box infomessage" %)
291 -(((
292 -**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
293 -)))
294 294  
295 -(% class="box infomessage" %)
296 -(((
297 -**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
298 -)))
300 +AT+SETCNT=1,60   (Set COUNT1 value to 60)
299 299  
300 -=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
302 +AT+SETCNT=2,60   (Set COUNT2 value to 60)
301 301  
304 +
305 +**For both LT22222-L & LT33222-L**:
306 +
307 +AT+CLRCOUNT clear all countings
308 +
309 +AT+COUTIME=60  Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
310 +
311 +
312 +
313 +1.
314 +11.
315 +111. AT+MOD=3, Single DI Counting + 2 x ACI
316 +
317 +**LT33222-L**: This mode the DI3 is used as a counting pin.
318 +
302 302  **LT22222-L**: This mode the DI1 is used as a counting pin.
303 303  
304 -[[image:image-20220523181246-5.png]]
305 305  
306 -(((
307 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
308 -)))
322 +(% border="1" style="background-color:#f7faff" %)
323 +|Size(bytes)|4|2|2|1|1|1
324 +|Value|COUNT1|(((
325 +ACI1
309 309  
310 -[[image:image-20220523181301-6.png]]
327 +Current
328 +)))|(((
329 +ACI2
311 311  
331 +Current
332 +)))|DIDORO*|Reserve|MOD
333 +
334 +
335 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
336 +
337 +(% border="1" style="background-color:#f7faff" %)
338 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
339 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
340 +
312 312  * RO is for relay. ROx=1 : close，ROx=0 always open.
313 313  * FIRST: Indicate this is the first packet after join network.
314 314  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
315 315  
316 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
345 +Note: DO3 is not valid for LT-22222-L.
317 317  
318 -**To use counting mode, please run:**
319 319  
320 -(% class="box infomessage" %)
321 -(((
322 -**AT+MOD=3**
323 -)))
348 +To use counting mode, please run:
324 324  
325 -(% class="box infomessage" %)
326 -(((
327 -**ATZ**
328 -)))
350 +AT+MOD=3
329 329  
352 +ATZ
353 +
354 +
330 330  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
331 331  
332 -=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
333 333  
358 +
359 +
360 +1.
361 +11.
362 +111. AT+MOD=4, Single DI Counting + 1 x Voltage Counting
363 +
364 +**LT33222-L**: This mode the DI3 is used as a counting pin.
365 +
334 334  **LT22222-L**: This mode the DI1 is used as a counting pin.
335 335  
368 +
336 336  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.
337 337  
338 -[[image:image-20220523181903-8.png]]
339 339  
340 -(((
341 -(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
342 -)))
372 +(% border="1" style="background-color:#f7faff" %)
373 +|Size(bytes)|4|4|1|1|1
374 +|Value|COUNT1|AVI1 Counting|DIDORO*|(((
375 +Reserve
343 343  
344 -[[image:image-20220523181727-7.png]]
377 +
378 +)))|MOD
345 345  
380 +
381 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
382 +
383 +(% border="1" style="background-color:#f7faff" %)
384 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
385 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
386 +
346 346  * RO is for relay. ROx=1 : close，ROx=0 always open.
347 347  * FIRST: Indicate this is the first packet after join network.
348 348  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
349 349  
350 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
391 +Note: DO3 is not valid for LT-22222-L.
351 351  
352 -**To use this mode, please run:**
353 353  
354 -(% class="box infomessage" %)
355 -(((
356 -**AT+MOD=4**
357 -)))
394 +To use this mode, please run:
358 358  
359 -(% class="box infomessage" %)
360 -(((
361 -**ATZ**
362 -)))
396 +AT+MOD=4
363 363  
398 +ATZ
364 364  
400 +
401 +
365 365  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
366 366  
367 -**Plus below command for AVI1 Counting:**
404 +Plus below command for AVI1 Counting:
368 368  
369 -(% class="box infomessage" %)
370 -(((
371 -**AT+SETCNT=3,60   (set AVI Count to 60)**
372 -)))
406 +AT+SETCNT=3,60   (set AVI Count to 60)
373 373  
374 -(% class="box infomessage" %)
375 -(((
376 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
377 -)))
408 +AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)
378 378  
379 -(% class="box infomessage" %)
380 -(((
381 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
382 -)))
410 +AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)
383 383  
384 -(% class="box infomessage" %)
385 -(((
386 -**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
387 -)))
412 +AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)
388 388  
389 -=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
390 390  
415 +
416 +1.
417 +11.
418 +111. AT+MOD=5, Single DI Counting + 2 x AVI + 1 x ACI
419 +
420 +
421 +**LT33222-L**: This mode the DI3 is used as a counting pin.
422 +
391 391  **LT22222-L**: This mode the DI1 is used as a counting pin.
392 392  
393 -[[image:image-20220523182334-9.png]]
394 394  
395 -(((
396 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
397 -)))
426 +(% border="1" style="background-color:#f7faff" %)
427 +|Size(bytes)|2|2|2|2|1|1|1
428 +|Value|(((
429 +AVI1
398 398  
431 +voltage
432 +)))|(((
433 +AVI2
434 +
435 +voltage
436 +)))|(((
437 +ACI1
438 +
439 +Current
440 +)))|COUNT1|DIDORO*|(((
441 +Reserve
442 +
443 +
444 +)))|MOD
445 +
446 +
447 +
448 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
449 +
450 +(% border="1" style="background-color:#f7faff" %)
451 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
452 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
453 +
399 399  * RO is for relay. ROx=1 : close，ROx=0 always open.
400 400  * FIRST: Indicate this is the first packet after join network.
401 401  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
402 402  
403 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
458 +Note: DO3 is not valid for LT-22222-L.
404 404  
405 -**To use this mode, please run:**
406 406  
407 -(% class="box infomessage" %)
408 -(((
409 -**AT+MOD=5**
410 -)))
461 +To use this mode, please run:
411 411  
412 -(% class="box infomessage" %)
413 -(((
414 -**ATZ**
415 -)))
463 +AT+MOD=5
416 416  
465 +ATZ
466 +
467 +
417 417  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
418 418  
419 -=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
420 420  
421 -(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
422 422  
472 +
473 +
474 +1.
475 +11.
476 +111. AT+ADDMOD=6. (Trigger Mode, Optional)
477 +
478 +
479 +**This mode is an optional mode for trigger purpose. It can run together with other mode.**
480 +
423 423  For example, if user has configured below commands:
424 424  
425 -* **AT+MOD=1 ** **~-~->** The normal working mode
426 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
483 +* AT+MOD=1   à The normal working mode
484 +* AT+ADDMOD6=1    à Enable trigger
427 427  
486 +
428 428  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
429 429  
430 -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
431 -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.**
489 +1. 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
490 +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 **CONFIRMED data type.**
432 432  
492 +
433 433  **AT Command to set Trigger Condition**:
434 434  
435 -(% style="color:#4f81bd" %)**Trigger base on voltage**:
495 +**Trigger base on voltage**:
436 436  
437 437  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
438 438  
439 -**Example:**
499 +Example:
440 440  
441 441  AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
442 442  
443 443  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
444 444  
445 -(% style="color:#4f81bd" %)**Trigger base on current**:
446 446  
506 +**Trigger base on current**:
507 +
447 447  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
448 448  
449 -**Example:**
510 +Example:
450 450  
451 451  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
452 452  
453 -(% style="color:#4f81bd" %)**Trigger base on DI status**:
454 454  
515 +**Trigger base on DI status**:
516 +
455 455  DI status trigger Flag.
456 456  
457 457  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
458 458  
459 -**Example:**
521 +Example:
460 460  
461 461  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
462 462  
463 463  
526 +
527 +
528 +
464 464  **Downlink Command to set Trigger Condition**
465 465  
466 466  Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
... ... @@ -479,8 +479,9 @@
479 479  
480 480   Yy4 yy4: AC2 or AV2 high limit.
481 481  
482 -**Example1**: AA 00 13 88 00 00 00 00 00 00
483 483  
548 +Example1: AA 00 13 88 00 00 00 00 00 00
549 +
484 484  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
485 485  
486 486  Example2: AA 02 01 00
... ... @@ -487,41 +487,136 @@
487 487  
488 488  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
489 489  
490 -(% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
491 491  
557 +
558 +
559 +**Trigger Settings Payload Explanation:**
560 +
492 492  MOD6 Payload : total 11 bytes payload
493 493  
494 -[[image:image-20220524085923-1.png]]
563 +(% border="1" style="background-color:#f7faff" %)
564 +|Size(bytes)|1|1|1|6|1|1
565 +|Value|(((
566 +TRI_A
495 495  
496 -(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
568 +FLAG
569 +)))|(((
570 +TRI_A
497 497  
498 -[[image:image-20220524090106-2.png]]
572 +Status
573 +)))|(((
574 +TRI_DI
499 499  
576 +FLAG+STA
577 +)))|Reserve|Enable/Disable MOD6|(((
578 +MOD
579 +
580 +(6)
581 +)))
582 +
583 +
584 +
585 +**TRI FLAG1** is a combination to show if trigger is set for this part. Totally 1byte as below
586 +
587 +(% border="1" style="background-color:#f7faff" %)
588 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
589 +|(((
590 +AV1_
591 +
592 +LOW
593 +)))|(((
594 +AV1_
595 +
596 +HIGH
597 +)))|(((
598 +AV2_
599 +
600 +LOW
601 +)))|(((
602 +AV2_
603 +
604 +HIGH
605 +)))|(((
606 +AC1_
607 +
608 +LOW
609 +)))|(((
610 +AC1_
611 +
612 +HIGH
613 +)))|(((
614 +AC2_
615 +
616 +LOW
617 +)))|(((
618 +AC2_
619 +
620 +HIGH
621 +)))
622 +
500 500  * Each bits shows if the corresponding trigger has been configured.
501 501  
502 -**Example:**
625 +Example:
503 503  
504 504  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
505 505  
506 506  
507 -(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
630 +**TRI Status1** is a combination to show which condition is trigger. Totally 1byte as below
508 508  
509 -[[image:image-20220524090249-3.png]]
632 +(% border="1" style="background-color:#f7faff" %)
633 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
634 +|(((
635 +AV1_
510 510  
637 +LOW
638 +)))|(((
639 +AV1_
640 +
641 +HIGH
642 +)))|(((
643 +AV2_
644 +
645 +LOW
646 +)))|(((
647 +AV2_
648 +
649 +HIGH
650 +)))|(((
651 +AC1_
652 +
653 +LOW
654 +)))|(((
655 +AC1_
656 +
657 +HIGH
658 +)))|(((
659 +AC2_
660 +
661 +LOW
662 +)))|(((
663 +AC2_
664 +
665 +HIGH
666 +)))
667 +
511 511  * Each bits shows which status has been trigger on this uplink.
512 512  
513 -**Example:**
670 +Example:
514 514  
515 515  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
516 516  
517 517  
518 -(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
519 519  
520 -[[image:image-20220524090456-4.png]]
521 521  
677 +**TRI_DI FLAG+STA **is a combination to show which condition is trigger. Totally 1byte as below
678 +
679 +(% border="1" style="background-color:#f7faff" %)
680 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
681 +|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
682 +
522 522  * Each bits shows which status has been trigger on this uplink.
523 523  
524 -**Example:**
685 +Example:
525 525  
526 526  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
527 527  
... ... @@ -528,117 +528,121 @@
528 528  00000101: Means both DI1 and DI2 trigger are enabled.
529 529  
530 530  
531 -(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
692 +**Enable/Disable MOD6 **: 0x01: MOD6 is enable. 0x00: MOD6 is disable.
532 532  
694 +
533 533  Downlink command to poll MOD6 status:
534 534  
535 -**AB 06**
697 +AB 06
536 536  
537 537  When device got this command, it will send the MOD6 payload.
538 538  
539 -=== 3.3.7 Payload Decoder ===
540 540  
541 -(((
702 +1.
703 +11.
704 +111. Payload Decoder
705 +
706 +
542 542  **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/]]
543 -)))
544 544  
545 -== 3.4 ​Configure LT via AT or Downlink ==
546 546  
547 -User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
548 548  
549 -(((
711 +
712 +
713 +
714 +
715 +1.
716 +11. ​Configure LT via AT or Downlink
717 +
718 +User can configure LT I/O Controller via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
719 +
550 550  There are two kinds of Commands:
551 -)))
552 552  
553 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, 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
722 +* **Common Commands**: They should be available for each sensor, 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
554 554  
555 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
724 +* **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
556 556  
557 -=== 3.4.1 Common Commands ===
558 558  
559 -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>>http://8.211.40.43:8080/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
727 +1.
728 +11.
729 +111. Common Commands:
560 560  
561 -=== 3.4.2 Sensor related commands ===
562 562  
563 -==== 3.4.2.1 Set Transmit Interval ====
732 +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
564 564  
734 +
735 +1.
736 +11.
737 +111. Sensor related commands:
738 +
739 +
740 +==== Set Transmit Interval ====
741 +
565 565  Set device uplink interval.
566 566  
567 567  * AT Command:
568 568  
569 -(% class="box infomessage" %)
570 -(((
571 -**AT+TDC=N **
572 -)))
746 +AT+TDC=N
573 573  
574 -**Example: **AT+TDC=30000. Means set interval to 30 seconds
748 +Example: AT+TDC=30000. Means set interval to 30 seconds
575 575  
750 +
576 576  * Downlink Payload (prefix 0x01):
577 577  
578 -(% class="box infomessage" %)
579 -(((
580 -**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
581 -)))
753 +0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)
582 582  
583 -==== 3.4.2.2 Set Work Mode (AT+MOD) ====
584 584  
756 +==== Set Work Mode (AT+MOD) ====
757 +
585 585  Set work mode.
586 586  
587 587  * AT Command:
588 588  
589 -(% class="box infomessage" %)
590 -(((
591 -**AT+MOD=N  **
592 -)))
762 +AT+MOD=N 
593 593  
594 -**Example**: AT+MOD=2. Set work mode to Double DI counting mode
764 +Example: AT+MOD=2. Set work mode to Double DI counting mode
595 595  
766 +
596 596  * Downlink Payload (prefix 0x0A):
597 597  
598 -(% class="box infomessage" %)
599 -(((
600 -**0x0A aa     ~/~/ Same as AT+MOD=aa**
601 -)))
769 +0x0A aa     ~/~/ Same as AT+MOD=aa
602 602  
603 -==== 3.4.2.3 Poll an uplink ====
604 604  
772 +
773 +==== Poll an uplink ====
774 +
605 605  * AT Command:
606 606  
607 607  There is no AT Command to poll uplink
608 608  
779 +
609 609  * Downlink Payload (prefix 0x08):
610 610  
611 -(% class="box infomessage" %)
612 -(((
613 -**0x08 FF     ~/~/ Poll an uplink,**
614 -)))
782 +0x08 FF     ~/~/ Poll an uplink,
615 615  
616 -**Example**: 0x08FF, ask device to send an Uplink
784 +Example: 0x08FF, ask device to send an Uplink
617 617  
618 -==== 3.4.2.4 Enable Trigger Mode ====
619 619  
620 -Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
787 +==== Enable Trigger Mode ====
621 621  
789 +Use of trigger mode, please check [[ADDMOD6>>path:#MOD6]]
790 +
622 622  * AT Command:
623 623  
624 -(% class="box infomessage" %)
625 -(((
626 -**AT+ADDMOD6=1 or 0**
627 -)))
793 +AT+ADDMOD6=1 or 0
628 628  
629 629  1: Enable Trigger Mode
630 630  
631 631  0: Disable Trigger Mode
632 632  
799 +
633 633  * Downlink Payload (prefix 0x0A 06):
634 634  
635 -(% class="box infomessage" %)
636 -(((
637 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
638 -)))
802 +0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,
639 639  
640 -==== 3.4.2.5 Poll trigger settings ====
641 641  
805 +==== Poll trigger settings ====
806 +
642 642  Poll trigger settings,
643 643  
644 644  * AT Command:
... ... @@ -645,213 +645,195 @@
645 645  
646 646  There is no AT Command for this feature.
647 647  
813 +
648 648  * Downlink Payload (prefix 0x AB 06):
649 649  
650 -(% class="box infomessage" %)
651 -(((
652 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
653 -)))
816 +0xAB 06  ~/~/ Poll trigger settings, device will uplink [[trigger settings>>path:#Trigger_Settings]] once receive this command
654 654  
655 -==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
656 656  
819 +==== Enable / Disable DI1/DI2/DI3 as trigger ====
820 +
657 657  Enable Disable DI1/DI2/DI2 as trigger,
658 658  
659 659  * AT Command:
660 660  
661 -(% class="box infomessage" %)
662 -(((
663 -**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
664 -)))
825 +Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
665 665  
666 -**Example:**
827 +Example:
667 667  
668 668  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
669 669  
831 +
832 +
670 670  * Downlink Payload (prefix 0xAA 02):
671 671  
672 -(% class="box infomessage" %)
673 -(((
674 -**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
675 -)))
835 +0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb
676 676  
677 -==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
678 678  
838 +
839 +==== Trigger1 – Set DI1 or DI3 as trigger ====
840 +
679 679  Set DI1 or DI3(for LT-33222-L) trigger.
680 680  
681 681  * AT Command:
682 682  
683 -(% class="box infomessage" %)
684 -(((
685 -**AT+TRIG1=a,b**
686 -)))
845 +AT+TRIG1=a,b
687 687  
688 688  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
689 689  
690 690  b : delay timing.
691 691  
692 -**Example:**
851 +Example:
693 693  
694 694  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
695 695  
855 +
696 696  * Downlink Payload (prefix 0x09 01 ):
697 697  
698 -(% class="box infomessage" %)
699 -(((
700 -**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
701 -)))
858 +0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
702 702  
703 -==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
704 704  
861 +==== Trigger2 – Set DI2 as trigger ====
862 +
705 705  Set DI2 trigger.
706 706  
707 707  * AT Command:
708 708  
709 -(% class="box infomessage" %)
710 -(((
711 -**AT+TRIG2=a,b**
712 -)))
867 +AT+TRIG2=a,b
713 713  
714 714  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
715 715  
716 716  b : delay timing.
717 717  
718 -**Example:**
873 +Example:
719 719  
720 720  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
721 721  
877 +
722 722  * Downlink Payload (prefix 0x09 02 ):
723 723  
724 -(% class="box infomessage" %)
725 -(((
726 -**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
727 -)))
880 +0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
728 728  
729 -==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
730 730  
731 -Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
883 +==== Trigger – Set AC (current) as trigger ====
732 732  
885 +Set current trigger , base on AC port. See [[trigger mode>>path:#MOD6]]
886 +
733 733  * AT Command:
734 734  
735 -(% class="box infomessage" %)
736 -(((
737 -**AT+ACLIM. **
738 -)))
889 +AT+ACLIM. See [[trigger mode>>path:#MOD6]]
739 739  
891 +
740 740  * Downlink Payload (prefix 0xAA 01 ):
741 741  
742 -(% class="box infomessage" %)
743 -(((
744 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
745 -)))
894 +0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>path:#MOD6]]
746 746  
747 -==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
748 748  
749 -Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
897 +==== Trigger – Set AV (voltage) as trigger ====
750 750  
899 +Set current trigger , base on AV port. See [[trigger mode>>path:#MOD6]]
900 +
751 751  * AT Command:
752 752  
753 -(% class="box infomessage" %)
754 -(((
755 -**AT+AVLIM. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
756 -)))
903 +AT+AVLIM. See [[trigger mode>>path:#MOD6]]
757 757  
905 +
758 758  * Downlink Payload (prefix 0xAA 00 ):
759 759  
760 -(% class="box infomessage" %)
761 -(((
762 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
763 -)))
908 +0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>path:#MOD6]]
764 764  
765 -==== 3.4.2.11 Trigger – Set minimum interval ====
910 +==== Trigger – Set minimum interval ====
766 766  
767 767  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
768 768  
769 769  * AT Command:
770 770  
771 -(% class="box infomessage" %)
772 -(((
773 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
774 -)))
916 +AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.
775 775  
918 +
776 776  * Downlink Payload (prefix 0xAC ):
777 777  
778 -(% class="box infomessage" %)
779 -(((
780 -**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
781 -)))
921 +0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
782 782  
783 -==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
784 784  
924 +==== DO ~-~- Control Digital Output DO1/DO2/DO3 ====
925 +
785 785  * AT Command:
786 786  
787 787  There is no AT Command to control Digital Output
788 788  
930 +
789 789  * Downlink Payload (prefix 0x02):
790 790  
791 -(% class="box infomessage" %)
792 -(((
793 -**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
794 -)))
933 +0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output
795 795  
796 -(((
797 797  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
798 -)))
799 799  
800 -(((
801 801  01: Low,  00: High ,  11: No action
802 -)))
803 803  
804 -[[image:image-20220524092754-5.png]]
939 +(% border="1" style="background-color:#f7faff" %)
940 +|Downlink Code|DO1|DO2|DO3
941 +|02  01  00  11|Low|High|No Action
942 +|02  00  11  01|High|No Action|Low
943 +|02  11  01  00|No Action|Low|High
805 805  
806 -(((
807 -(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
808 -)))
945 +Note: For LT-22222-L, there is no DO3, the last byte can use any value.
809 809  
810 -(((
811 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
812 -)))
947 +Device will upload a packet if downlink code executes successfully.
813 813  
814 814  
815 -==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
816 816  
951 +
952 +
953 +==== DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
954 +
817 817  * AT Command:
818 818  
819 819  There is no AT Command to control Digital Output
820 820  
959 +
821 821  * Downlink Payload (prefix 0xA9):
822 822  
823 -(% class="box infomessage" %)
824 -(((
825 -**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
826 -)))
962 +0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control
827 827  
828 828  This is to control the digital output time of DO pin. Include four bytes:
829 829  
830 -(% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
966 +**First Byte:** Type code (0xA9)
831 831  
832 -(% style="color:#4f81bd" %)**Second Byte**(%%): Inverter Mode
968 +**Second Byte**: Inverter Mode
833 833  
834 834  01: DO pins will change back to original state after timeout.
835 835  
836 836  00: DO pins will change to an inverter state after timeout 
837 837  
838 -(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
839 839  
840 -[[image:image-20220524093238-6.png]]
975 +**Third Byte**: Control Method and Ports status:
841 841  
842 -(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
977 +(% border="1" style="background-color:#f7faff" %)
978 +|Second Byte|Status
979 +|0x01|DO1 set to low
980 +|0x00|DO1 set to high
981 +|0x11|DO1 NO Action
843 843  
844 -[[image:image-20220524093328-7.png]]
845 845  
846 -(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
984 +**Fourth Byte**: Control Method and Ports status:
847 847  
848 848  (% border="1" style="background-color:#f7faff" %)
849 849  |Second Byte|Status
988 +|0x01|DO2 set to low
989 +|0x00|DO2 set to high
990 +|0x11|DO2 NO Action
991 +
992 +
993 +**Fifth Byte**: Control Method and Ports status:
994 +
995 +(% border="1" style="background-color:#f7faff" %)
996 +|Second Byte|Status
850 850  |0x01|DO3 set to low
851 851  |0x00|DO3 set to high
852 852  |0x11|DO3 NO Action
853 853  
854 -(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1001 +**Sixth and Seventh Byte**:
855 855  
856 856   Latching time. Unit: ms
857 857  
... ... @@ -947,6 +947,7 @@
947 947  |0x02|RO1 to NC, RO2 No Action
948 948  |0x12|RO1 to NO, RO2 No Action
949 949  
1097 +
950 950  **Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
951 951  
952 952  Device will upload a packet if downlink code executes successfully.
... ... @@ -1051,6 +1051,7 @@
1051 1051  1.
1052 1052  11. Integrate with Mydevice
1053 1053  
1202 +
1054 1054  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:
1055 1055  
1056 1056  
... ... @@ -1095,7 +1095,7 @@
1095 1095  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1096 1096  
1097 1097  
1098 -1.
1247 +1.
1099 1099  11. Interface Detail
1100 1100  111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1101 1101  
... ... @@ -1105,7 +1105,7 @@
1105 1105  
1106 1106  
1107 1107  
1108 -1.
1257 +1.
1109 1109  11.
1110 1110  111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1111 1111  
... ... @@ -1148,7 +1148,7 @@
1148 1148  
1149 1149  **Example3**: Connect to a 220v high active sensor.公司测试一下
1150 1150  
1151 -Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1300 +Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler 
1152 1152  
1153 1153  * Connect sensor’s output to DI1+ with a serial 50K resistor
1154 1154  * Connect sensor’s GND DI1-.
... ... @@ -1171,7 +1171,7 @@
1171 1171  
1172 1172  
1173 1173  
1174 -1.
1323 +1.
1175 1175  11.
1176 1176  111. Analog Input Interface
1177 1177  
... ... @@ -1204,7 +1204,7 @@
1204 1204  
1205 1205  
1206 1206  
1207 -1.
1356 +1.
1208 1208  11.
1209 1209  111. Relay Output
1210 1210  
... ... @@ -1219,9 +1219,10 @@
1219 1219  
1220 1220  
1221 1221  
1222 -1.
1371 +1.
1223 1223  11. LEDs Indicators
1224 1224  
1374 +
1225 1225  (% border="1" style="background-color:#f7faff" %)
1226 1226  |**LEDs**|**Feature**
1227 1227  |**PWR**|Always on if there is power
... ... @@ -1256,6 +1256,9 @@
1256 1256  |**RO1**|
1257 1257  |**RO2**|
1258 1258  
1409 +
1410 +
1411 +
1259 1259  1. Use AT Command
1260 1260  11. Access AT Command
1261 1261  
... ... @@ -1428,10 +1428,11 @@
1428 1428  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1429 1429  
1430 1430  
1431 -1.
1584 +1.
1432 1432  11.
1433 1433  111. Change to Class A
1434 1434  
1588 +
1435 1435  If sensor JOINED
1436 1436  
1437 1437  AT+CLASS=A
... ... @@ -1444,6 +1444,7 @@
1444 1444  
1445 1445  1. FAQ
1446 1446  
1601 +
1447 1447  1.
1448 1448  11. How to upgrade the image?
1449 1449  
... ... @@ -1453,6 +1453,7 @@
1453 1453  * For bug fix
1454 1454  * Change LoRaWAN bands.
1455 1455  
1611 +
1456 1456  Below shows the hardware connection for how to upload an image to the LT:
1457 1457  
1458 1458  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
... ... @@ -1497,7 +1497,7 @@
1497 1497  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1498 1498  
1499 1499  
1500 -1.
1656 +1.
1501 1501  11. How to change the LoRa Frequency Bands/Region?
1502 1502  
1503 1503  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1546,7 +1546,7 @@
1546 1546  
1547 1547  
1548 1548  
1549 -1.
1705 +1.
1550 1550  11. Can I see counting event in Serial?
1551 1551  
1552 1552  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.
... ... @@ -1582,6 +1582,7 @@
1582 1582  
1583 1583  1. Order Info
1584 1584  
1741 +
1585 1585  **For LT-33222-L-XXX or LT-22222-L-XXX:**
1586 1586  
1587 1587  **XXX:**
... ... @@ -1596,6 +1596,7 @@
1596 1596  * **IN865**: LT with frequency bands IN865
1597 1597  * **CN779**: LT with frequency bands CN779
1598 1598  
1756 +
1599 1599  1. Packing Info
1600 1600  
1601 1601  **Package Includes**:
... ... @@ -1605,6 +1605,7 @@
1605 1605  * Bracket for controller x1
1606 1606  * Program cable x 1
1607 1607  
1766 +
1608 1608  **Dimension and weight**:
1609 1609  
1610 1610  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1612,6 +1612,7 @@
1612 1612  * Package Size / pcs : 14.5 x 8 x 5 cm
1613 1613  * Weight / pcs : 170g
1614 1614  
1774 +
1615 1615  1. Support
1616 1616  
1617 1617  * 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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