Last modified by Mengting Qiu on 2025/06/04 18:42

From version 128.4
edited by Xiaoling
on 2023/11/17 08:45
Change comment: There is no comment for this version
To version 102.2
edited by Xiaoling
on 2022/10/29 09:42
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -15,6 +15,7 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 +
18 18  == 1.1 What is LT Series I/O Controller ==
19 19  
20 20  (((
... ... @@ -26,7 +26,7 @@
26 26  )))
27 27  
28 28  (((
29 -The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
30 +The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
30 30  )))
31 31  
32 32  (((
... ... @@ -53,6 +53,7 @@
53 53  
54 54  )))
55 55  
57 +
56 56  == 1.2  Specifications ==
57 57  
58 58  (((
... ... @@ -62,7 +62,7 @@
62 62  )))
63 63  
64 64  * (((
65 -STM32L072xxxx MCU
67 +STM32L072CZT6 MCU
66 66  )))
67 67  * (((
68 68  SX1276/78 Wireless Chip 
... ... @@ -169,6 +169,7 @@
169 169  Packet engine up to 256 bytes with CRC.
170 170  
171 171  
174 +
172 172  
173 173  )))
174 174  
... ... @@ -176,43 +176,35 @@
176 176  
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 -
180 180  * Optional Customized LoRa Protocol
181 -
182 182  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 -
184 184  * AT Commands to change parameters
185 -
186 186  * Remote configure parameters via LoRa Downlink
187 -
188 188  * Firmware upgradable via program port
189 -
190 190  * Counting
191 191  
189 +
190 +
191 +
192 192  == 1.4  Applications ==
193 193  
194 194  
195 195  * Smart Buildings & Home Automation
196 -
197 197  * Logistics and Supply Chain Management
198 -
199 199  * Smart Metering
200 -
201 201  * Smart Agriculture
202 -
203 203  * Smart Cities
204 -
205 205  * Smart Factory
206 206  
202 +
203 +
204 +
207 207  == 1.5 Hardware Variants ==
208 208  
209 209  
210 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
211 -|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:266px" %)**Description**
212 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
213 -(% style="text-align:center" %)
214 -[[image:image-20230424115112-1.png||height="106" width="58"]]
215 -)))|(% style="width:334px" %)(((
208 +(% border="1" style="background-color:#f7faff; width:500px" %)
209 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
210 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
216 216  * 2 x Digital Input (Bi-direction)
217 217  * 2 x Digital Output
218 218  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -221,6 +221,9 @@
221 221  * 1 x Counting Port
222 222  )))
223 223  
219 +
220 +
221 +
224 224  = 2. Power ON Device =
225 225  
226 226  
... ... @@ -237,8 +237,10 @@
237 237  [[image:1653297104069-180.png]]
238 238  
239 239  
238 +
240 240  = 3. Operation Mode =
241 241  
241 +
242 242  == 3.1 How it works? ==
243 243  
244 244  
... ... @@ -251,6 +251,7 @@
251 251  )))
252 252  
253 253  
254 +
254 254  == 3.2 Example to join LoRaWAN network ==
255 255  
256 256  
... ... @@ -277,7 +277,7 @@
277 277  Each LT is shipped with a sticker with the default device EUI as below:
278 278  )))
279 279  
280 -[[image:image-20230425173427-2.png||height="246" width="530"]]
281 +[[image:1653297924498-393.png]]
281 281  
282 282  
283 283  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -292,6 +292,7 @@
292 292  [[image:1653298023685-319.png]]
293 293  
294 294  
296 +
295 295  (((
296 296  (% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
297 297  
... ... @@ -301,6 +301,7 @@
301 301  [[image:1653298044601-602.png||height="405" width="709"]]
302 302  
303 303  
306 +
304 304  == 3.3 Uplink Payload ==
305 305  
306 306  
... ... @@ -307,47 +307,33 @@
307 307  There are five working modes + one interrupt mode on LT for different type application:
308 308  
309 309  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
310 -
311 311  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
312 -
313 313  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
314 -
315 315  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
316 -
317 317  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
318 -
319 319  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
320 320  
319 +
320 +
321 +
321 321  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
322 322  
323 323  
324 324  (((
325 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
326 -
327 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
328 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
329 -|Value|(((
330 -AVI1 voltage
331 -)))|(((
332 -AVI2 voltage
333 -)))|(((
334 -ACI1 Current
335 -)))|(((
336 -ACI2 Current
337 -)))|DIDORO*|(((
338 -Reserve
339 -)))|MOD
326 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
340 340  )))
341 341  
329 +[[image:image-20220523174024-3.png]]
330 +
342 342  (((
343 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
332 +
344 344  
345 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
346 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
347 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
334 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
348 348  )))
349 349  
350 -* RO is for relay. ROx=1 : close, ROx=0 always open.
337 +[[image:image-20220523174254-4.png]]
338 +
339 +* RO is for relay. ROx=1 : close,ROx=0 always open.
351 351  * DI is for digital input. DIx=1: high or float, DIx=0: low.
352 352  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
353 353  
... ... @@ -358,7 +358,7 @@
358 358  
359 359  **The value for the interface is:  **
360 360  
361 -AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
350 +AVI1 channel voltage is 0x04AB/1000=1195DEC/1000=1.195V
362 362  
363 363  AVI2 channel voltage is 0x04AC/1000=1.196V
364 364  
... ... @@ -386,6 +386,9 @@
386 386  ** DO1 is high in case there is load between DO1 and V+.
387 387  ** DO1 LED is off in both case
388 388  
378 +
379 +
380 +
389 389  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
390 390  
391 391  
... ... @@ -395,55 +395,56 @@
395 395  
396 396  (((
397 397  Total : 11 bytes payload
398 -
399 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
400 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
401 -|Value|COUNT1|COUNT2 |DIDORO*|(((
402 -Reserve
403 -)))|MOD
404 404  )))
405 405  
406 -(((
407 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
392 +[[image:image-20220523180452-3.png]]
408 408  
409 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
410 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
411 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
412 412  
413 -RO is for relay. ROx=1 : close , ROx=0 always open.
395 +(((
396 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
414 414  )))
415 415  
399 +[[image:image-20220523180506-4.png]]
400 +
401 +* RO is for relay. ROx=1 : close,ROx=0 always open.
416 416  * FIRST: Indicate this is the first packet after join network.
417 417  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
418 418  
419 419  (((
420 420  (% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
421 -
422 -
423 423  )))
424 424  
425 425  (((
410 +
411 +
426 426  **To use counting mode, please run:**
427 427  )))
428 428  
429 -(((
430 430  (% class="box infomessage" %)
431 431  (((
417 +(((
418 +(((
432 432  **AT+MOD=2**
420 +)))
433 433  
422 +(((
434 434  **ATZ**
435 435  )))
436 436  )))
426 +)))
437 437  
438 438  (((
439 439  
440 440  
441 441  (% style="color:#4f81bd" %)**AT Commands for counting:**
432 +
433 +
442 442  )))
443 443  
444 444  (((
445 445  **For LT22222-L:**
446 446  
439 +
447 447  (% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
448 448  
449 449  (% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
... ... @@ -458,28 +458,23 @@
458 458  )))
459 459  
460 460  
454 +
461 461  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
462 462  
463 463  
464 464  **LT22222-L**: This mode the DI1 is used as a counting pin.
465 465  
466 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
467 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
468 -|Value|COUNT1|(((
469 -ACI1 Current
470 -)))|(((
471 -ACI2 Current
472 -)))|DIDORO*|Reserve|MOD
460 +[[image:image-20220523181246-5.png]]
473 473  
474 474  (((
475 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
463 +
476 476  
477 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
478 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
479 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
465 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
480 480  )))
481 481  
482 -* RO is for relay. ROx=1 : close, ROx=0 always open.
468 +[[image:image-20220523181301-6.png]]
469 +
470 +* RO is for relay. ROx=1 : close,ROx=0 always open.
483 483  * FIRST: Indicate this is the first packet after join network.
484 484  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
485 485  
... ... @@ -492,14 +492,18 @@
492 492  **To use counting mode, please run:**
493 493  )))
494 494  
495 -(((
496 496  (% class="box infomessage" %)
497 497  (((
485 +(((
486 +(((
498 498  **AT+MOD=3**
488 +)))
499 499  
490 +(((
500 500  **ATZ**
501 501  )))
502 502  )))
494 +)))
503 503  
504 504  (((
505 505  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -506,6 +506,7 @@
506 506  )))
507 507  
508 508  
501 +
509 509  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
510 510  
511 511  
... ... @@ -515,52 +515,55 @@
515 515  
516 516  (((
517 517  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.
518 -
519 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
520 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
521 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
522 -Reserve
523 -)))|MOD
524 524  )))
525 525  
513 +[[image:image-20220523181903-8.png]]
514 +
515 +
526 526  (((
527 527  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
528 -
529 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
530 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
531 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
532 532  )))
533 533  
534 -* RO is for relay. ROx=1 : close, ROx=0 always open.
520 +[[image:image-20220523181727-7.png]]
521 +
522 +* RO is for relay. ROx=1 : close,ROx=0 always open.
535 535  * FIRST: Indicate this is the first packet after join network.
536 536  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
537 537  
538 538  (((
539 539  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
540 -
541 -
542 542  )))
543 543  
544 544  (((
531 +
532 +
545 545  **To use this mode, please run:**
546 546  )))
547 547  
548 -(((
549 549  (% class="box infomessage" %)
550 550  (((
538 +(((
539 +(((
551 551  **AT+MOD=4**
541 +)))
552 552  
543 +(((
553 553  **ATZ**
554 554  )))
555 555  )))
547 +)))
556 556  
549 +
557 557  (((
558 558  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
559 559  )))
560 560  
561 561  (((
555 +
556 +
562 562  **Plus below command for AVI1 Counting:**
563 563  
559 +
564 564  (% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
565 565  
566 566  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
... ... @@ -571,32 +571,21 @@
571 571  )))
572 572  
573 573  
570 +
574 574  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
575 575  
576 576  
577 577  **LT22222-L**: This mode the DI1 is used as a counting pin.
578 578  
579 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
580 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
581 -|Value|(((
582 -AVI1 voltage
583 -)))|(((
584 -AVI2 voltage
585 -)))|(((
586 -ACI1 Current
587 -)))|COUNT1|DIDORO*|(((
588 -Reserve
589 -)))|MOD
576 +[[image:image-20220523182334-9.png]]
590 590  
591 591  (((
592 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
579 +
593 593  
594 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
595 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
596 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
581 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
597 597  )))
598 598  
599 -* RO is for relay. ROx=1 : close, ROx=0 always open.
584 +* RO is for relay. ROx=1 : closeROx=0 always open.
600 600  * FIRST: Indicate this is the first packet after join network.
601 601  * (((
602 602  DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -607,17 +607,23 @@
607 607  )))
608 608  
609 609  (((
595 +
596 +
610 610  **To use this mode, please run:**
611 611  )))
612 612  
613 -(((
614 614  (% class="box infomessage" %)
615 615  (((
602 +(((
603 +(((
616 616  **AT+MOD=5**
605 +)))
617 617  
607 +(((
618 618  **ATZ**
619 619  )))
620 620  )))
611 +)))
621 621  
622 622  (((
623 623  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -624,6 +624,7 @@
624 624  )))
625 625  
626 626  
618 +
627 627  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
628 628  
629 629  
... ... @@ -678,6 +678,7 @@
678 678  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
679 679  
680 680  
673 +
681 681  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
682 682  
683 683  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -712,39 +712,12 @@
712 712  
713 713  MOD6 Payload : total 11 bytes payload
714 714  
715 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
716 -|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:49px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
717 -|Value|(((
718 -TRI_A FLAG
719 -)))|(((
720 -TRI_A Status
721 -)))|(((
722 -TRI_DI FLAG+STA
723 -)))|Reserve|Enable/Disable MOD6|(((
724 -MOD(6)
725 -)))
708 +[[image:image-20220524085923-1.png]]
726 726  
710 +
727 727  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
728 728  
729 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
730 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
731 -|(((
732 -AV1_LOW
733 -)))|(((
734 -AV1_HIGH
735 -)))|(((
736 -AV2_LOW
737 -)))|(((
738 -AV2_HIGH
739 -)))|(((
740 -AC1_LOW
741 -)))|(((
742 -AC1_HIGH
743 -)))|(((
744 -AC2_LOW
745 -)))|(((
746 -AC2_HIGH
747 -)))
713 +[[image:image-20220524090106-2.png]]
748 748  
749 749  * Each bits shows if the corresponding trigger has been configured.
750 750  
... ... @@ -753,27 +753,10 @@
753 753  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
754 754  
755 755  
722 +
756 756  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
757 757  
758 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
759 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
760 -|(((
761 -AV1_LOW
762 -)))|(((
763 -AV1_HIGH
764 -)))|(((
765 -AV2_LOW
766 -)))|(((
767 -AV2_HIGH
768 -)))|(((
769 -AC1_LOW
770 -)))|(((
771 -AC1_HIGH
772 -)))|(((
773 -AC2_LOW
774 -)))|(((
775 -AC2_HIGH
776 -)))
725 +[[image:image-20220524090249-3.png]]
777 777  
778 778  * Each bits shows which status has been trigger on this uplink.
779 779  
... ... @@ -782,11 +782,10 @@
782 782  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
783 783  
784 784  
734 +
785 785  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
786 786  
787 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
788 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
789 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
737 +[[image:image-20220524090456-4.png]]
790 790  
791 791  * Each bits shows which status has been trigger on this uplink.
792 792  
... ... @@ -797,6 +797,7 @@
797 797  00000101: Means both DI1 and DI2 trigger are enabled.
798 798  
799 799  
748 +
800 800  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
801 801  
802 802  Downlink command to poll MOD6 status:
... ... @@ -806,6 +806,7 @@
806 806  When device got this command, it will send the MOD6 payload.
807 807  
808 808  
758 +
809 809  === 3.3.7 Payload Decoder ===
810 810  
811 811  (((
... ... @@ -815,6 +815,7 @@
815 815  )))
816 816  
817 817  
768 +
818 818  == 3.4 ​Configure LT via AT or Downlink ==
819 819  
820 820  
... ... @@ -832,6 +832,8 @@
832 832  
833 833  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
834 834  
786 +
787 +
835 835  === 3.4.1 Common Commands ===
836 836  
837 837  
... ... @@ -840,8 +840,10 @@
840 840  )))
841 841  
842 842  
796 +
843 843  === 3.4.2 Sensor related commands ===
844 844  
799 +
845 845  ==== 3.4.2.1 Set Transmit Interval ====
846 846  
847 847  
... ... @@ -849,7 +849,7 @@
849 849  
850 850  * (% style="color:#037691" %)**AT Command:**
851 851  
852 -(% style="color:blue" %)**AT+TDC=N **
807 +**(% style="color:blue" %)AT+TDC=N **
853 853  
854 854  
855 855  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -857,106 +857,129 @@
857 857  
858 858  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
859 859  
860 -(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
815 +**(% style="color:blue" %)0x01 aa bb cc  (%%)   ~/~/ Same as AT+TDC=0x(aa bb cc)**
861 861  
862 862  
863 863  
819 +
864 864  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
865 865  
866 866  
867 867  Set work mode.
868 868  
869 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
825 +* (% style="color:#037691" %)**AT Command:**
870 870  
827 +**(% style="color:blue" %)AT+MOD=N  **
828 +
829 +
871 871  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
872 872  
832 +
873 873  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
874 874  
875 -(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
835 +**(% style="color:blue" %)0x0A aa  (%%)  ** ~/~/ Same as AT+MOD=aa
876 876  
877 877  
878 878  
839 +
879 879  ==== 3.4.2.3 Poll an uplink ====
880 880  
881 881  
882 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
843 +* (% style="color:#037691" %)**AT Command:**
883 883  
845 +There is no AT Command to poll uplink
846 +
847 +
884 884  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
885 885  
886 -(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
850 +**(% style="color:blue" %)0x08 FF  (%%)   **~/~/ Poll an uplink
887 887  
852 +
888 888  **Example**: 0x08FF, ask device to send an Uplink
889 889  
890 890  
891 891  
857 +
892 892  ==== 3.4.2.4 Enable Trigger Mode ====
893 893  
894 894  
895 895  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
896 896  
897 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
863 +* (% style="color:#037691" %)**AT Command:**
898 898  
899 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
865 +**(% style="color:blue" %)AT+ADDMOD6=1 or 0**
900 900  
901 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
867 +**(% style="color:red" %)1:** Enable Trigger Mode
902 902  
869 +**(% style="color:red" %)0: **Disable Trigger Mode
903 903  
871 +
904 904  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
905 905  
906 -(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
874 +**(% style="color:blue" %)0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
907 907  
908 908  
909 909  
878 +
910 910  ==== 3.4.2.5 Poll trigger settings ====
911 911  
912 912  
913 -Poll trigger settings
882 +Poll trigger settings,
914 914  
915 915  * (% style="color:#037691" %)**AT Command:**
916 916  
917 917  There is no AT Command for this feature.
918 918  
888 +
919 919  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
920 920  
921 -(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
891 +**(% style="color:blue" %)0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
922 922  
923 923  
924 924  
895 +
925 925  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
926 926  
927 927  
928 928  Enable Disable DI1/DI2/DI2 as trigger,
929 929  
930 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
901 +* (% style="color:#037691" %)**AT Command:**
931 931  
932 -**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
903 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
933 933  
934 934  
906 +**Example:**
907 +
908 +AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
909 +
935 935  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
936 936  
937 -(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
912 +**(% style="color:blue" %)0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
938 938  
939 939  
940 940  
916 +
941 941  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
942 942  
943 943  
944 944  Set DI1 or DI3(for LT-33222-L) trigger.
945 945  
946 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
922 +* (% style="color:#037691" %)**AT Command:**
947 947  
948 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
924 +**(% style="color:blue" %)AT+TRIG1=a,b**
949 949  
950 -(% style="color:red" %)**b :** (%%)delay timing.
926 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
951 951  
952 -**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
928 +b : delay timing.
953 953  
954 954  
955 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
931 +**Example:**
956 956  
957 -(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
933 +AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
958 958  
959 959  
936 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
937 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
960 960  
961 961  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
962 962  
... ... @@ -963,64 +963,85 @@
963 963  
964 964  Set DI2 trigger.
965 965  
966 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
944 +* (% style="color:#037691" %)**AT Command:**
967 967  
968 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
946 +**AT+TRIG2=a,b**
969 969  
970 -(% style="color:red" %)**b :** (%%)delay timing.
971 971  
972 -**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
949 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
973 973  
951 +b : delay timing.
974 974  
953 +
954 +**Example:**
955 +
956 +AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
957 +
958 +
975 975  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
976 976  
977 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
961 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
978 978  
979 979  
980 980  
965 +
981 981  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
982 982  
983 983  
984 984  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
985 985  
986 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
971 +* (% style="color:#037691" %)**AT Command**
987 987  
973 +**AT+ACLIM**
974 +
975 +
988 988  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
989 989  
990 -(% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
978 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
991 991  
992 992  
993 993  
982 +
994 994  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
995 995  
996 996  
997 997  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
998 998  
999 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
988 +* (% style="color:#037691" %)**AT Command**
1000 1000  
990 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
991 +
992 +
1001 1001  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1002 1002  
1003 -(% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
995 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1004 1004  
1005 1005  
1006 1006  
999 +
1007 1007  ==== 3.4.2.11 Trigger – Set minimum interval ====
1008 1008  
1009 1009  
1010 1010  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1011 1011  
1012 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
1005 +* (% style="color:#037691" %)**AT Command**
1013 1013  
1007 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
1008 +
1009 +
1014 1014  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1015 1015  
1016 -(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1012 +**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1017 1017  
1018 1018  (((
1015 +
1016 +
1019 1019  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
1020 1020  )))
1021 1021  
1022 1022  
1023 1023  
1022 +
1024 1024  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1025 1025  
1026 1026  
... ... @@ -1030,9 +1030,8 @@
1030 1030  
1031 1031  
1032 1032  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1032 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1033 1033  
1034 -(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1035 -
1036 1036  (((
1037 1037  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1038 1038  )))
... ... @@ -1039,14 +1039,10 @@
1039 1039  
1040 1040  (((
1041 1041  01: Low,  00: High ,  11: No action
1042 -
1043 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1044 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**
1045 -|02  01  00  11|Low|High|No Action
1046 -|02  00  11  01|High|No Action|Low
1047 -|02  11  01  00|No Action|Low|High
1048 1048  )))
1049 1049  
1042 +[[image:image-20220524092754-5.png]]
1043 +
1050 1050  (((
1051 1051  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1052 1052  )))
... ... @@ -1057,6 +1057,7 @@
1057 1057  
1058 1058  
1059 1059  
1054 +
1060 1060  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1061 1061  
1062 1062  
... ... @@ -1067,7 +1067,7 @@
1067 1067  
1068 1068  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1069 1069  
1070 -(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
1065 +**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1071 1071  
1072 1072  
1073 1073  This is to control the digital output time of DO pin. Include four bytes:
... ... @@ -1083,37 +1083,23 @@
1083 1083  
1084 1084  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1085 1085  
1086 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1087 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1088 -|0x01|DO1 set to low
1089 -|0x00|DO1 set to high
1090 -|0x11|DO1 NO Action
1081 +[[image:image-20220524093238-6.png]]
1091 1091  
1083 +
1092 1092  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1093 1093  
1094 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1095 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1096 -|0x01|DO2 set to low
1097 -|0x00|DO2 set to high
1098 -|0x11|DO2 NO Action
1086 +[[image:image-20220524093328-7.png]]
1099 1099  
1088 +
1100 1100  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1101 1101  
1102 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1103 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1104 -|0x01|DO3 set to low
1105 -|0x00|DO3 set to high
1106 -|0x11|DO3 NO Action
1091 +[[image:image-20220524093351-8.png]]
1107 1107  
1108 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1109 1109  
1094 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1110 1110  
1111 -(% style="color:red" %)**Note: **
1096 + Latching time. Unit: ms
1112 1112  
1113 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1114 -
1115 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1116 -
1117 1117  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1118 1118  
1119 1119  
... ... @@ -1137,6 +1137,7 @@
1137 1137  
1138 1138  
1139 1139  
1121 +
1140 1140  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1141 1141  
1142 1142  
... ... @@ -1147,7 +1147,7 @@
1147 1147  
1148 1148  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1149 1149  
1150 -(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1132 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1151 1151  
1152 1152  
1153 1153  (((
... ... @@ -1156,17 +1156,10 @@
1156 1156  
1157 1157  (((
1158 1158  01: Close ,  00: Open , 11: No action
1141 +)))
1159 1159  
1160 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1161 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1162 -|03  00  11|Open|No Action
1163 -|03  01  11|Close|No Action
1164 -|03  11  00|No Action|Open
1165 -|03  11  01|No Action|Close
1166 -|03  00  00|Open|Open
1167 -|03  01  01|Close|Close
1168 -|03  01  00|Close|Open
1169 -|03  00  01|Open|Close
1143 +(((
1144 +[[image:image-20220524093724-9.png]]
1170 1170  )))
1171 1171  
1172 1172  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1173,6 +1173,7 @@
1173 1173  
1174 1174  
1175 1175  
1151 +
1176 1176  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1177 1177  
1178 1178  
... ... @@ -1183,7 +1183,7 @@
1183 1183  
1184 1184  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1185 1185  
1186 -(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1162 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1187 1187  
1188 1188  
1189 1189  This is to control the relay output time of relay. Include four bytes:
... ... @@ -1204,20 +1204,12 @@
1204 1204  
1205 1205  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1206 1206  
1207 -
1208 -(% style="color:red" %)**Note:**
1209 -
1210 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1211 -
1212 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1213 -
1214 -
1215 1215  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1216 1216  
1217 1217  
1218 1218  **Example payload:**
1219 1219  
1220 -**~1. 05 01 11 07 D0**
1188 +**~1. 05 01 11 07 D**
1221 1221  
1222 1222  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1223 1223  
... ... @@ -1240,132 +1240,156 @@
1240 1240  
1241 1241  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1242 1242  
1243 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1211 +* (% style="color:#037691" %)**AT Command:**
1244 1244  
1213 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1214 +
1215 +
1245 1245  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1246 1246  
1247 -(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1218 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1248 1248  
1249 1249  
1250 1250  
1222 +
1251 1251  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1252 1252  
1253 1253  
1254 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1226 +* (% style="color:#037691" %)**AT Command:**
1255 1255  
1256 -(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1228 +**AT+SETCNT=aa,(bb cc dd ee) **
1257 1257  
1258 -(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1230 +aa: 1: Set count1,
1259 1259  
1232 +2: Set count2,
1260 1260  
1234 +3: Set AV1 count
1235 +
1236 +Bb cc dd ee: number to be set
1237 +
1238 +
1261 1261  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1262 1262  
1263 -(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1241 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1264 1264  
1265 1265  
1266 1266  
1245 +
1267 1267  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1268 1268  
1269 1269  
1270 1270  Clear counting for counting mode
1271 1271  
1272 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1251 +* (% style="color:#037691" %)**AT Command:**
1273 1273  
1253 +**AT+CLRCOUNT ** ~/~/ clear all counting
1254 +
1255 +
1274 1274  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1275 1275  
1276 -(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1258 +**0x A6 01    ** ~/~/ clear all counting
1277 1277  
1278 1278  
1279 1279  
1262 +
1280 1280  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1281 1281  
1282 1282  
1283 1283  * (% style="color:#037691" %)**AT Command:**
1284 1284  
1285 -(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1268 +**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1286 1286  
1287 1287  
1288 1288  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1289 1289  
1290 -(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1273 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1291 1291  
1292 1292  (((
1293 1293  range: aa bb cc:0 to 16777215,  (unit:second)
1294 -)))
1295 1295  
1296 1296  
1297 1297  
1298 -==== 3.4.2.20 Reset save RO DO state ====
1280 +
1281 +)))
1299 1299  
1283 +==== 3.4.2.20 Reset save DR DO state ====
1300 1300  
1285 +
1301 1301  * (% style="color:#037691" %)**AT Command:**
1302 1302  
1303 -(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1288 +**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1304 1304  
1305 -(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1290 +**AT+RODORET=0  **~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1306 1306  
1307 1307  
1308 1308  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1309 1309  
1310 -(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1295 +**0x AD aa      **~/~/ same as AT+RODORET =aa
1311 1311  
1297 +(((
1298 +
1312 1312  
1313 1313  
1301 +
1314 1314  ==== 3.4.2.21 Encrypted payload ====
1315 1315  
1316 1316  
1317 1317  * (% style="color:#037691" %)**AT Command:**
1318 1318  
1319 -(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1307 +**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1320 1320  
1321 -(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
1309 +**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1322 1322  
1323 1323  
1324 1324  
1313 +
1325 1325  ==== 3.4.2.22 Get sensor value ====
1326 1326  
1327 1327  
1328 1328  * (% style="color:#037691" %)**AT Command:**
1329 1329  
1330 -(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
1319 +**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1331 1331  
1332 -(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
1321 +**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1333 1333  
1334 1334  
1335 1335  
1325 +
1336 1336  ==== 3.4.2.23 Resets the downlink packet count ====
1337 1337  
1338 1338  
1339 1339  * (% style="color:#037691" %)**AT Command:**
1340 1340  
1341 -(% style="color:blue" %)**AT+DISFCNTCHECK=0   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1331 +**AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1342 1342  
1343 -(% style="color:blue" %)**AT+DISFCNTCHECK=1   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1333 +**AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1344 1344  
1345 1345  
1346 1346  
1337 +
1347 1347  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1348 1348  
1349 1349  
1350 1350  * (% style="color:#037691" %)**AT Command:**
1351 1351  
1352 -(% style="color:blue" %)**AT+DISMACANS=0**   (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1343 + **AT+DISMACANS=0**  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1353 1353  
1354 -(% style="color:blue" %)**AT+DISMACANS=1**  (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1345 + **AT+DISMACANS=1**      ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1355 1355  
1356 1356  
1357 1357  * (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1358 1358  
1359 -(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1350 +**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1360 1360  
1361 1361  
1362 1362  
1354 +
1363 1363  ==== 3.4.2.25 Copy downlink to uplink ====
1364 1364  
1365 1365  
1366 1366  * (% style="color:#037691" %)**AT Command**(%%)**:**
1367 1367  
1368 -(% 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.
1360 + **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.
1369 1369  
1370 1370  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.
1371 1371  
... ... @@ -1388,7 +1388,7 @@
1388 1388  * (((
1389 1389  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
1390 1390  
1391 -(% style="color:blue" %)**26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1383 +**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1392 1392  
1393 1393  
1394 1394  )))
... ... @@ -1398,6 +1398,9 @@
1398 1398  [[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-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1399 1399  
1400 1400  
1393 +
1394 +)))
1395 +
1401 1401  == 3.5 Integrate with Mydevice ==
1402 1402  
1403 1403  
... ... @@ -1422,7 +1422,7 @@
1422 1422  
1423 1423  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1424 1424  
1425 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1420 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1426 1426  
1427 1427  Search under The things network
1428 1428  
... ... @@ -1429,6 +1429,7 @@
1429 1429  [[image:1653356838789-523.png||height="337" width="740"]]
1430 1430  
1431 1431  
1427 +
1432 1432  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1433 1433  
1434 1434  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1446,8 +1446,10 @@
1446 1446  [[image:image-20220524094909-5.png||height="341" width="734"]]
1447 1447  
1448 1448  
1445 +
1449 1449  == 3.6 Interface Detail ==
1450 1450  
1448 +
1451 1451  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1452 1452  
1453 1453  
... ... @@ -1456,16 +1456,17 @@
1456 1456  [[image:1653356991268-289.png]]
1457 1457  
1458 1458  
1457 +
1459 1459  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1460 1460  
1461 1461  
1462 1462  (((
1463 -The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1462 +The DI port of LT-22222-L can support NPN or PNP output sensor.
1464 1464  )))
1465 1465  
1466 1466  (((
1467 1467  (((
1468 -Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
1467 +Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high.
1469 1469  
1470 1470  
1471 1471  )))
... ... @@ -1512,6 +1512,8 @@
1512 1512  
1513 1513  (((
1514 1514  
1514 +
1515 +
1515 1515  )))
1516 1516  
1517 1517  (((
... ... @@ -1543,6 +1543,8 @@
1543 1543  
1544 1544  (((
1545 1545  
1547 +
1548 +
1546 1546  )))
1547 1547  
1548 1548  (((
... ... @@ -1573,25 +1573,16 @@
1573 1573  )))
1574 1574  
1575 1575  
1576 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1577 1577  
1578 -From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
1579 -
1580 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1581 -
1582 -[[image:image-20230616235145-1.png]]
1583 -
1584 -
1585 1585  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1586 1586  
1587 1587  
1588 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1583 +NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1589 1589  
1590 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1591 -
1592 1592  [[image:1653357531600-905.png]]
1593 1593  
1594 1594  
1588 +
1595 1595  === 3.6.4 Analog Input Interface ===
1596 1596  
1597 1597  
... ... @@ -1609,12 +1609,13 @@
1609 1609  
1610 1610  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1611 1611  
1612 -(% style="color:red" %)**Red:  12~~24v**
1606 +**Red:  12~~24v**
1613 1613  
1614 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1608 +**Yellow:  4~~20mA**
1615 1615  
1616 1616  **Black:  GND**
1617 1617  
1612 +
1618 1618  **Connection diagram:**
1619 1619  
1620 1620  [[image:1653357640609-758.png]]
... ... @@ -1622,29 +1622,12 @@
1622 1622  [[image:1653357648330-671.png||height="155" width="733"]]
1623 1623  
1624 1624  
1625 -Example connected to a regulated power supply to measure voltage
1626 1626  
1627 -[[image:image-20230608101532-1.png||height="606" width="447"]]
1628 -
1629 -[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1630 -
1631 -[[image:image-20230608101722-3.png||height="102" width="1139"]]
1632 -
1633 -
1634 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1635 -
1636 -(% style="color:red" %)**Red:  12~~24v**
1637 -
1638 -**Black:  GND**
1639 -
1640 -
1641 1641  === 3.6.5 Relay Output ===
1642 1642  
1643 1643  
1644 1644  (((
1645 -The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
1646 -
1647 -**Note**: RO pins go to Open(NO) when device is power off.
1625 +The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
1648 1648  )))
1649 1649  
1650 1650  [[image:image-20220524100215-9.png]]
... ... @@ -1653,46 +1653,17 @@
1653 1653  [[image:image-20220524100215-10.png||height="382" width="723"]]
1654 1654  
1655 1655  
1634 +
1656 1656  == 3.7 LEDs Indicators ==
1657 1657  
1658 1658  
1659 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1660 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1661 -|**PWR**|Always on if there is power
1662 -|**SYS**|(((
1663 -After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1664 -)))
1665 -|**TX**|(((
1666 -(((
1667 -Device boot: TX blinks 5 times.
1668 -)))
1638 +[[image:image-20220524100748-11.png]]
1669 1669  
1670 -(((
1671 -Successful join network: TX ON for 5 seconds.
1672 -)))
1673 1673  
1674 -(((
1675 -Transmit a LoRa packet: TX blinks once
1676 -)))
1677 -)))
1678 -|**RX**|RX blinks once when receive a packet.
1679 -|**DO1**|
1680 -|**DO2**|
1681 -|**DO3**|
1682 -|**DI2**|(((
1683 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1684 -)))
1685 -|**DI2**|(((
1686 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1687 -)))
1688 -|**DI2**|(((
1689 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1690 -)))
1691 -|**RO1**|
1692 -|**RO2**|
1693 1693  
1694 1694  = 4. Use AT Command =
1695 1695  
1644 +
1696 1696  == 4.1 Access AT Command ==
1697 1697  
1698 1698  
... ... @@ -1903,8 +1903,10 @@
1903 1903  )))
1904 1904  
1905 1905  
1855 +
1906 1906  == 4.2 Common AT Command Sequence ==
1907 1907  
1858 +
1908 1908  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1909 1909  
1910 1910  (((
... ... @@ -1949,6 +1949,7 @@
1949 1949  )))
1950 1950  
1951 1951  
1903 +
1952 1952  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1953 1953  
1954 1954  (((
... ... @@ -2021,7 +2021,9 @@
2021 2021  **3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
2022 2022  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2023 2023  
2024 -**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
1976 +**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5**
1977 +
1978 +
2025 2025  )))
2026 2026  
2027 2027  (((
... ... @@ -2028,32 +2028,29 @@
2028 2028  [[image:1653359097980-169.png||height="188" width="729"]]
2029 2029  )))
2030 2030  
1985 +(((
1986 +
1987 +)))
2031 2031  
1989 +
2032 2032  === 4.2.3 Change to Class A ===
2033 2033  
2034 2034  
2035 2035  (((
2036 -(% style="color:blue" %)**If sensor JOINED:**
1994 +(% style="color:blue" %)If sensor JOINED:
2037 2037  
2038 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
2039 -
2040 -(% style="background-color:#dcdcdc" %)**ATZ**
1996 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1997 +ATZ**
2041 2041  )))
2042 2042  
2043 2043  
2044 -= 5. Case Study =
2045 2045  
2046 -== 5.1 Counting how many objects pass in Flow Line ==
2002 += 5. FAQ =
2047 2047  
2048 2048  
2049 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
2005 +== 5.1 How to upgrade the image? ==
2050 2050  
2051 2051  
2052 -= 6. FAQ =
2053 -
2054 -== 6.1 How to upgrade the image? ==
2055 -
2056 -
2057 2057  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2058 2058  
2059 2059  * Support new features
... ... @@ -2067,7 +2067,7 @@
2067 2067  
2068 2068  (((
2069 2069  (% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
2070 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
2021 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2071 2071  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2072 2072  
2073 2073  
... ... @@ -2081,22 +2081,23 @@
2081 2081  
2082 2082   [[image:image-20220524103407-12.png]]
2083 2083  
2084 -
2085 2085  [[image:image-20220524103429-13.png]]
2086 2086  
2087 -
2088 2088  [[image:image-20220524104033-15.png]]
2089 2089  
2090 2090  
2091 2091  (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
2092 2092  
2042 +
2093 2093  [[image:1653360054704-518.png||height="186" width="745"]]
2094 2094  
2095 2095  
2096 2096  (((
2097 2097  (((
2098 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2048 +
2099 2099  
2050 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2051 +
2100 2100  
2101 2101  )))
2102 2102  )))
... ... @@ -2108,8 +2108,9 @@
2108 2108  (((
2109 2109  
2110 2110  
2111 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2112 2112  
2064 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2065 +
2113 2113  
2114 2114  )))
2115 2115  
... ... @@ -2123,6 +2123,7 @@
2123 2123  (((
2124 2124  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2125 2125  
2079 +
2126 2126  
2127 2127  )))
2128 2128  )))
... ... @@ -2153,21 +2153,13 @@
2153 2153  
2154 2154  (((
2155 2155  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2156 -
2157 2157  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2158 -
2159 2159  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2160 -
2161 2161  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2162 -
2163 2163  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2164 -
2165 2165  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2166 -
2167 2167  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2168 -
2169 2169  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2170 -
2171 2171  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2172 2172  )))
2173 2173  
... ... @@ -2179,29 +2179,26 @@
2179 2179  [[image:1653360498588-932.png||height="485" width="726"]]
2180 2180  
2181 2181  
2182 -== 6.4 How to change the uplink interval? ==
2183 2183  
2129 +== 5.4 Can I see counting event in Serial? ==
2184 2184  
2185 -Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2186 2186  
2187 -
2188 -== 6.5 Can I see counting event in Serial? ==
2189 -
2190 -
2191 2191  (((
2192 2192  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.
2193 2193  
2194 2194  
2195 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2196 2196  
2137 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2197 2197  
2198 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ,this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
2199 2199  
2140 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ,this is [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2141 +
2142 +
2200 2200  
2201 2201  )))
2202 2202  
2203 2203  (((
2204 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2147 +== 5.Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2205 2205  
2206 2206  
2207 2207  If the device is not shut down, but directly powered off.
... ... @@ -2213,9 +2213,10 @@
2213 2213  After restart, the status before power failure will be read from flash.
2214 2214  
2215 2215  
2216 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2217 2217  
2160 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2218 2218  
2162 +
2219 2219  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2220 2220  
2221 2221  
... ... @@ -2222,24 +2222,15 @@
2222 2222  [[image:image-20221006170630-1.png||height="610" width="945"]]
2223 2223  
2224 2224  
2225 -== 6.9 Can LT22222-L save RO state? ==
2226 2226  
2170 += 6. Trouble Shooting =
2227 2227  
2228 -Firmware version needs to be no less than 1.6.0.
2229 -
2230 -
2231 -== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2232 -
2233 -
2234 -It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2235 -
2236 -
2237 -= 7. Trouble Shooting =
2172 +
2238 2238  )))
2239 2239  
2240 2240  (((
2241 2241  (((
2242 -== 7.1 Downlink doesn't work, how to solve it? ==
2177 +== 6.1 Downlink doesn't work, how to solve it? ==
2243 2243  
2244 2244  
2245 2245  )))
... ... @@ -2252,8 +2252,9 @@
2252 2252  (((
2253 2253  
2254 2254  
2255 -== 7.2 Have trouble to upload image. ==
2256 2256  
2191 +== 6.2 Have trouble to upload image. ==
2192 +
2257 2257  
2258 2258  )))
2259 2259  
... ... @@ -2264,8 +2264,9 @@
2264 2264  (((
2265 2265  
2266 2266  
2267 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2268 2268  
2204 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2205 +
2269 2269  
2270 2270  )))
2271 2271  
... ... @@ -2274,16 +2274,10 @@
2274 2274  )))
2275 2275  
2276 2276  
2277 -== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2278 2278  
2215 += 7. Order Info =
2279 2279  
2280 -The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2281 -Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2282 2282  
2283 -
2284 -= 8. Order Info =
2285 -
2286 -
2287 2287  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2288 2288  
2289 2289  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2298,7 +2298,7 @@
2298 2298  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2299 2299  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2300 2300  
2301 -= 9. Packing Info =
2232 += 8. Packing Info =
2302 2302  
2303 2303  
2304 2304  **Package Includes**:
... ... @@ -2315,7 +2315,7 @@
2315 2315  * Package Size / pcs : 14.5 x 8 x 5 cm
2316 2316  * Weight / pcs : 170g
2317 2317  
2318 -= 10. Support =
2249 += 9. Support =
2319 2319  
2320 2320  
2321 2321  * (((
... ... @@ -2322,17 +2322,16 @@
2322 2322  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.
2323 2323  )))
2324 2324  * (((
2325 -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.cc>>mailto:Support@dragino.cc]]
2256 +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]]
2326 2326  
2327 2327  
2259 +
2328 2328  
2329 2329  )))
2330 2330  
2331 -= 11. Reference​​​​​ =
2263 += 10. Reference​​​​​ =
2332 2332  
2333 2333  
2334 2334  * 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]]
2335 2335  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2336 2336  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2337 -
2338 -
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