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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 130.3
edited by Xiaoling
on 2024/02/19 14:45
Change comment: There is no comment for this version
To version 110.2
edited by Xiaoling
on 2022/12/23 08:41
Change comment: There is no comment for this version

Summary

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Title
... ... @@ -1,1 +1,1 @@
1 -LT-22222-L -- LoRa IO Controller User Manual
1 +LT-22222-L LoRa IO Controller User Manual
Content
... ... @@ -3,10 +3,6 @@
3 3  
4 4  
5 5  
6 -
7 -
8 -
9 -
10 10  **Table of Contents:**
11 11  
12 12  {{toc/}}
... ... @@ -30,7 +30,7 @@
30 30  )))
31 31  
32 32  (((
33 -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.
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, smartphone detection, building automation, and so on.
34 34  )))
35 35  
36 36  (((
... ... @@ -57,7 +57,7 @@
57 57  
58 58  )))
59 59  
60 -== 1.2 Specifications ==
56 +== 1.2  Specifications ==
61 61  
62 62  (((
63 63  
... ... @@ -180,43 +180,33 @@
180 180  
181 181  
182 182  * LoRaWAN Class A & Class C protocol
183 -
184 184  * Optional Customized LoRa Protocol
185 -
186 186  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
187 -
188 188  * AT Commands to change parameters
189 -
190 190  * Remote configure parameters via LoRa Downlink
191 -
192 192  * Firmware upgradable via program port
193 -
194 194  * Counting
195 195  
196 -== 1.4 Applications ==
197 197  
198 198  
199 -* Smart Buildings & Home Automation
188 +== 1.4  Applications ==
200 200  
201 -* Logistics and Supply Chain Management
202 202  
191 +* Smart Buildings & Home Automation
192 +* Logistics and Supply Chain Management
203 203  * Smart Metering
204 -
205 205  * Smart Agriculture
206 -
207 207  * Smart Cities
208 -
209 209  * Smart Factory
210 210  
198 +
199 +
211 211  == 1.5 Hardware Variants ==
212 212  
213 213  
214 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
215 -|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
216 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
217 -(% style="text-align:center" %)
218 -[[image:image-20230424115112-1.png||height="106" width="58"]]
219 -)))|(% style="width:334px" %)(((
203 +(% border="1" style="background-color:#f7faff; width:500px" %)
204 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
205 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
220 220  * 2 x Digital Input (Bi-direction)
221 221  * 2 x Digital Output
222 222  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -225,6 +225,8 @@
225 225  * 1 x Counting Port
226 226  )))
227 227  
214 +
215 +
228 228  = 2. Power ON Device =
229 229  
230 230  
... ... @@ -281,7 +281,7 @@
281 281  Each LT is shipped with a sticker with the default device EUI as below:
282 282  )))
283 283  
284 -[[image:image-20230425173427-2.png||height="246" width="530"]]
272 +[[image:1653297924498-393.png]]
285 285  
286 286  
287 287  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -296,6 +296,7 @@
296 296  [[image:1653298023685-319.png]]
297 297  
298 298  
287 +
299 299  (((
300 300  (% 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.
301 301  
... ... @@ -311,47 +311,32 @@
311 311  There are five working modes + one interrupt mode on LT for different type application:
312 312  
313 313  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
314 -
315 315  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
316 -
317 317  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
318 -
319 319  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
320 -
321 321  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
322 -
323 323  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
324 324  
309 +
310 +
325 325  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
326 326  
327 327  
328 328  (((
329 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
330 -
331 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
332 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
333 -|Value|(((
334 -AVI1 voltage
335 -)))|(((
336 -AVI2 voltage
337 -)))|(((
338 -ACI1 Current
339 -)))|(((
340 -ACI2 Current
341 -)))|DIDORO*|(((
342 -Reserve
343 -)))|MOD
315 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
344 344  )))
345 345  
318 +[[image:image-20220523174024-3.png]]
319 +
346 346  (((
347 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
321 +
348 348  
349 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
350 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
351 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
323 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
352 352  )))
353 353  
354 -* RO is for relay. ROx=1 : close, ROx=0 always open.
326 +[[image:image-20220523174254-4.png]]
327 +
328 +* RO is for relay. ROx=1 : close，ROx=0 always open.
355 355  * DI is for digital input. DIx=1: high or float, DIx=0: low.
356 356  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
357 357  
... ... @@ -362,7 +362,7 @@
362 362  
363 363  **The value for the interface is:  **
364 364  
365 -AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
339 +AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
366 366  
367 367  AVI2 channel voltage is 0x04AC/1000=1.196V
368 368  
... ... @@ -390,6 +390,8 @@
390 390  ** DO1 is high in case there is load between DO1 and V+.
391 391  ** DO1 LED is off in both case
392 392  
367 +
368 +
393 393  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
394 394  
395 395  
... ... @@ -399,55 +399,56 @@
399 399  
400 400  (((
401 401  Total : 11 bytes payload
402 -
403 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
404 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
405 -|Value|COUNT1|COUNT2 |DIDORO*|(((
406 -Reserve
407 -)))|MOD
408 408  )))
409 409  
410 -(((
411 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
380 +[[image:image-20220523180452-3.png]]
412 412  
413 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
414 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
415 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
416 416  
417 -RO is for relay. ROx=1 : close , ROx=0 always open.
383 +(((
384 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
418 418  )))
419 419  
387 +[[image:image-20220523180506-4.png]]
388 +
389 +* RO is for relay. ROx=1 : close，ROx=0 always open.
420 420  * FIRST: Indicate this is the first packet after join network.
421 421  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
422 422  
423 423  (((
424 424  (% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
425 -
426 -
427 427  )))
428 428  
429 429  (((
398 +
399 +
430 430  **To use counting mode, please run:**
431 431  )))
432 432  
433 -(((
434 434  (% class="box infomessage" %)
435 435  (((
405 +(((
406 +(((
436 436  **AT+MOD=2**
408 +)))
437 437  
410 +(((
438 438  **ATZ**
439 439  )))
440 440  )))
414 +)))
441 441  
442 442  (((
443 443  
444 444  
445 445  (% style="color:#4f81bd" %)**AT Commands for counting:**
420 +
421 +
446 446  )))
447 447  
448 448  (((
449 449  **For LT22222-L:**
450 450  
427 +
451 451  (% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
452 452  
453 453  (% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
... ... @@ -467,23 +467,17 @@
467 467  
468 468  **LT22222-L**: This mode the DI1 is used as a counting pin.
469 469  
470 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
471 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
472 -|Value|COUNT1|(((
473 -ACI1 Current
474 -)))|(((
475 -ACI2 Current
476 -)))|DIDORO*|Reserve|MOD
447 +[[image:image-20220523181246-5.png]]
477 477  
478 478  (((
479 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
450 +
480 480  
481 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
482 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
483 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
452 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
484 484  )))
485 485  
486 -* RO is for relay. ROx=1 : close, ROx=0 always open.
455 +[[image:image-20220523181301-6.png]]
456 +
457 +* RO is for relay. ROx=1 : close，ROx=0 always open.
487 487  * FIRST: Indicate this is the first packet after join network.
488 488  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
489 489  
... ... @@ -496,14 +496,18 @@
496 496  **To use counting mode, please run:**
497 497  )))
498 498  
499 -(((
500 500  (% class="box infomessage" %)
501 501  (((
472 +(((
473 +(((
502 502  **AT+MOD=3**
475 +)))
503 503  
477 +(((
504 504  **ATZ**
505 505  )))
506 506  )))
481 +)))
507 507  
508 508  (((
509 509  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -519,52 +519,55 @@
519 519  
520 520  (((
521 521  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.
522 -
523 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
524 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
525 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
526 -Reserve
527 -)))|MOD
528 528  )))
529 529  
499 +[[image:image-20220523181903-8.png]]
500 +
501 +
530 530  (((
531 531  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
532 -
533 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
534 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
535 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
536 536  )))
537 537  
538 -* RO is for relay. ROx=1 : close, ROx=0 always open.
506 +[[image:image-20220523181727-7.png]]
507 +
508 +* RO is for relay. ROx=1 : close，ROx=0 always open.
539 539  * FIRST: Indicate this is the first packet after join network.
540 540  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
541 541  
542 542  (((
543 543  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
544 -
545 -
546 546  )))
547 547  
548 548  (((
517 +
518 +
549 549  **To use this mode, please run:**
550 550  )))
551 551  
552 -(((
553 553  (% class="box infomessage" %)
554 554  (((
524 +(((
525 +(((
555 555  **AT+MOD=4**
527 +)))
556 556  
529 +(((
557 557  **ATZ**
558 558  )))
559 559  )))
533 +)))
560 560  
535 +
561 561  (((
562 562  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
563 563  )))
564 564  
565 565  (((
541 +
542 +
566 566  **Plus below command for AVI1 Counting:**
567 567  
545 +
568 568  (% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
569 569  
570 570  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
... ... @@ -580,27 +580,15 @@
580 580  
581 581  **LT22222-L**: This mode the DI1 is used as a counting pin.
582 582  
583 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
584 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
585 -|Value|(((
586 -AVI1 voltage
587 -)))|(((
588 -AVI2 voltage
589 -)))|(((
590 -ACI1 Current
591 -)))|COUNT1|DIDORO*|(((
592 -Reserve
593 -)))|MOD
561 +[[image:image-20220523182334-9.png]]
594 594  
595 595  (((
596 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
564 +
597 597  
598 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
599 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
600 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
566 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
601 601  )))
602 602  
603 -* RO is for relay. ROx=1 : close, ROx=0 always open.
569 +* RO is for relay. ROx=1 : close，ROx=0 always open.
604 604  * FIRST: Indicate this is the first packet after join network.
605 605  * (((
606 606  DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -611,17 +611,23 @@
611 611  )))
612 612  
613 613  (((
580 +
581 +
614 614  **To use this mode, please run:**
615 615  )))
616 616  
617 -(((
618 618  (% class="box infomessage" %)
619 619  (((
587 +(((
588 +(((
620 620  **AT+MOD=5**
590 +)))
621 621  
592 +(((
622 622  **ATZ**
623 623  )))
624 624  )))
596 +)))
625 625  
626 626  (((
627 627  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -682,6 +682,7 @@
682 682  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
683 683  
684 684  
657 +
685 685  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
686 686  
687 687  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -716,39 +716,12 @@
716 716  
717 717  MOD6 Payload : total 11 bytes payload
718 718  
719 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
720 -|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
721 -|Value|(((
722 -TRI_A FLAG
723 -)))|(((
724 -TRI_A Status
725 -)))|(((
726 -TRI_DI FLAG+STA
727 -)))|Reserve|Enable/Disable MOD6|(((
728 -MOD(6)
729 -)))
692 +[[image:image-20220524085923-1.png]]
730 730  
694 +
731 731  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
732 732  
733 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
734 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
735 -|(((
736 -AV1_LOW
737 -)))|(((
738 -AV1_HIGH
739 -)))|(((
740 -AV2_LOW
741 -)))|(((
742 -AV2_HIGH
743 -)))|(((
744 -AC1_LOW
745 -)))|(((
746 -AC1_HIGH
747 -)))|(((
748 -AC2_LOW
749 -)))|(((
750 -AC2_HIGH
751 -)))
697 +[[image:image-20220524090106-2.png]]
752 752  
753 753  * Each bits shows if the corresponding trigger has been configured.
754 754  
... ... @@ -757,27 +757,10 @@
757 757  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
758 758  
759 759  
706 +
760 760  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
761 761  
762 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
763 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
764 -|(((
765 -AV1_LOW
766 -)))|(((
767 -AV1_HIGH
768 -)))|(((
769 -AV2_LOW
770 -)))|(((
771 -AV2_HIGH
772 -)))|(((
773 -AC1_LOW
774 -)))|(((
775 -AC1_HIGH
776 -)))|(((
777 -AC2_LOW
778 -)))|(((
779 -AC2_HIGH
780 -)))
709 +[[image:image-20220524090249-3.png]]
781 781  
782 782  * Each bits shows which status has been trigger on this uplink.
783 783  
... ... @@ -786,11 +786,10 @@
786 786  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
787 787  
788 788  
718 +
789 789  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
790 790  
791 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
792 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
793 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
721 +[[image:image-20220524090456-4.png]]
794 794  
795 795  * Each bits shows which status has been trigger on this uplink.
796 796  
... ... @@ -801,6 +801,7 @@
801 801  00000101: Means both DI1 and DI2 trigger are enabled.
802 802  
803 803  
732 +
804 804  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
805 805  
806 806  Downlink command to poll MOD6 status:
... ... @@ -836,6 +836,8 @@
836 836  
837 837  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
838 838  
768 +
769 +
839 839  === 3.4.1 Common Commands ===
840 840  
841 841  
... ... @@ -870,10 +870,14 @@
870 870  
871 871  Set work mode.
872 872  
873 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
804 +* (% style="color:#037691" %)**AT Command:**
874 874  
806 +(% style="color:blue" %)**AT+MOD=N  **
807 +
808 +
875 875  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
876 876  
811 +
877 877  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
878 878  
879 879  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
... ... @@ -883,12 +883,16 @@
883 883  ==== 3.4.2.3 Poll an uplink ====
884 884  
885 885  
886 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
821 +* (% style="color:#037691" %)**AT Command:**
887 887  
823 +There is no AT Command to poll uplink
824 +
825 +
888 888  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
889 889  
890 890  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
891 891  
830 +
892 892  **Example**: 0x08FF, ask device to send an Uplink
893 893  
894 894  
... ... @@ -898,8 +898,10 @@
898 898  
899 899  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
900 900  
901 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
840 +* (% style="color:#037691" %)**AT Command:**
902 902  
842 +(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
843 +
903 903  (% style="color:red" %)**1:** (%%)Enable Trigger Mode
904 904  
905 905  (% style="color:red" %)**0: **(%%)Disable Trigger Mode
... ... @@ -914,12 +914,13 @@
914 914  ==== 3.4.2.5 Poll trigger settings ====
915 915  
916 916  
917 -Poll trigger settings
858 +Poll trigger settings,
918 918  
919 919  * (% style="color:#037691" %)**AT Command:**
920 920  
921 921  There is no AT Command for this feature.
922 922  
864 +
923 923  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
924 924  
925 925  (% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
... ... @@ -931,11 +931,15 @@
931 931  
932 932  Enable Disable DI1/DI2/DI2 as trigger,
933 933  
934 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
876 +* (% style="color:#037691" %)**AT Command:**
935 935  
936 -**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
878 +(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
937 937  
938 938  
881 +**Example:**
882 +
883 +AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
884 +
939 939  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
940 940  
941 941  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -947,15 +947,20 @@
947 947  
948 948  Set DI1 or DI3(for LT-33222-L) trigger.
949 949  
950 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
896 +* (% style="color:#037691" %)**AT Command:**
951 951  
898 +(% style="color:blue" %)**AT+TRIG1=a,b**
899 +
952 952  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
953 953  
954 954  (% style="color:red" %)**b :** (%%)delay timing.
955 955  
956 -**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
957 957  
905 +**Example:**
958 958  
907 +AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
908 +
909 +
959 959  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
960 960  
961 961  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
... ... @@ -967,15 +967,20 @@
967 967  
968 968  Set DI2 trigger.
969 969  
970 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
921 +* (% style="color:#037691" %)**AT Command:**
971 971  
923 +(% style="color:blue" %)**AT+TRIG2=a,b**
924 +
972 972  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
973 973  
974 974  (% style="color:red" %)**b :** (%%)delay timing.
975 975  
976 -**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
977 977  
930 +**Example:**
978 978  
932 +AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
933 +
934 +
979 979  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
980 980  
981 981  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
... ... @@ -987,8 +987,11 @@
987 987  
988 988  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
989 989  
990 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
946 +* (% style="color:#037691" %)**AT Command**
991 991  
948 +(% style="color:blue" %)**AT+ACLIM**
949 +
950 +
992 992  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
993 993  
994 994  (% 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"]]
... ... @@ -1000,8 +1000,11 @@
1000 1000  
1001 1001  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1002 1002  
1003 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
962 +* (% style="color:#037691" %)**AT Command**
1004 1004  
964 +(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
965 +
966 +
1005 1005  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1006 1006  
1007 1007  (% 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"]]
... ... @@ -1013,13 +1013,18 @@
1013 1013  
1014 1014  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1015 1015  
1016 -* (% 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.
978 +* (% style="color:#037691" %)**AT Command**
1017 1017  
980 +(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
981 +
982 +
1018 1018  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1019 1019  
1020 1020  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1021 1021  
1022 1022  (((
988 +
989 +
1023 1023  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
1024 1024  )))
1025 1025  
... ... @@ -1034,9 +1034,8 @@
1034 1034  
1035 1035  
1036 1036  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1004 +* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1037 1037  
1038 -(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1039 -
1040 1040  (((
1041 1041  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1042 1042  )))
... ... @@ -1043,14 +1043,10 @@
1043 1043  
1044 1044  (((
1045 1045  01: Low,  00: High ,  11: No action
1046 -
1047 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1048 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
1049 -|02  01  00  11|Low|High|No Action
1050 -|02  00  11  01|High|No Action|Low
1051 -|02  11  01  00|No Action|Low|High
1052 1052  )))
1053 1053  
1014 +[[image:image-20220524092754-5.png]]
1015 +
1054 1054  (((
1055 1055  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1056 1056  )))
... ... @@ -1087,37 +1087,30 @@
1087 1087  
1088 1088  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1089 1089  
1090 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1091 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1092 -|0x01|DO1 set to low
1093 -|0x00|DO1 set to high
1094 -|0x11|DO1 NO Action
1052 +[[image:image-20220524093238-6.png]]
1095 1095  
1054 +
1096 1096  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1097 1097  
1098 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1099 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1100 -|0x01|DO2 set to low
1101 -|0x00|DO2 set to high
1102 -|0x11|DO2 NO Action
1057 +[[image:image-20220524093328-7.png]]
1103 1103  
1059 +
1104 1104  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1105 1105  
1106 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1107 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1108 -|0x01|DO3 set to low
1109 -|0x00|DO3 set to high
1110 -|0x11|DO3 NO Action
1062 +[[image:image-20220524093351-8.png]]
1111 1111  
1112 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1113 1113  
1065 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1114 1114  
1115 -(% style="color:red" %)**Note: **
1067 + Latching time. Unit: ms
1116 1116  
1069 +Note:
1070 +
1117 1117   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1118 1118  
1119 1119   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1120 1120  
1075 +
1121 1121  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1122 1122  
1123 1123  
... ... @@ -1160,17 +1160,10 @@
1160 1160  
1161 1161  (((
1162 1162  01: Close ,  00: Open , 11: No action
1118 +)))
1163 1163  
1164 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1165 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1166 -|03  00  11|Open|No Action
1167 -|03  01  11|Close|No Action
1168 -|03  11  00|No Action|Open
1169 -|03  11  01|No Action|Close
1170 -|03  00  00|Open|Open
1171 -|03  01  01|Close|Close
1172 -|03  01  00|Close|Open
1173 -|03  00  01|Open|Close
1120 +(((
1121 +[[image:image-20220524093724-9.png]]
1174 1174  )))
1175 1175  
1176 1176  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1208,9 +1208,8 @@
1208 1208  
1209 1209  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1210 1210  
1159 +Note:
1211 1211  
1212 -(% style="color:red" %)**Note:**
1213 -
1214 1214   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1215 1215  
1216 1216   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1221,7 +1221,7 @@
1221 1221  
1222 1222  **Example payload:**
1223 1223  
1224 -**~1. 05 01 11 07 D0**
1171 +**~1. 05 01 11 07 D**
1225 1225  
1226 1226  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1227 1227  
... ... @@ -1244,8 +1244,11 @@
1244 1244  
1245 1245  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1246 1246  
1247 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1194 +* (% style="color:#037691" %)**AT Command:**
1248 1248  
1196 +(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1197 +
1198 +
1249 1249  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1250 1250  
1251 1251  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1255,8 +1255,10 @@
1255 1255  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1256 1256  
1257 1257  
1258 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1208 +* (% style="color:#037691" %)**AT Command:**
1259 1259  
1210 +(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1211 +
1260 1260  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1261 1261  
1262 1262  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1273,8 +1273,11 @@
1273 1273  
1274 1274  Clear counting for counting mode
1275 1275  
1276 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1228 +* (% style="color:#037691" %)**AT Command:**
1277 1277  
1230 +(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1231 +
1232 +
1278 1278  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1279 1279  
1280 1280  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1426,7 +1426,7 @@
1426 1426  
1427 1427  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1428 1428  
1429 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1384 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1430 1430  
1431 1431  Search under The things network
1432 1432  
... ... @@ -1433,6 +1433,7 @@
1433 1433  [[image:1653356838789-523.png||height="337" width="740"]]
1434 1434  
1435 1435  
1391 +
1436 1436  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1437 1437  
1438 1438  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1464,12 +1464,12 @@
1464 1464  
1465 1465  
1466 1466  (((
1467 -The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1423 +The DI port of LT-22222-L can support NPN or PNP output sensor.
1468 1468  )))
1469 1469  
1470 1470  (((
1471 1471  (((
1472 -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.
1428 +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.
1473 1473  
1474 1474  
1475 1475  )))
... ... @@ -1577,26 +1577,12 @@
1577 1577  )))
1578 1578  
1579 1579  
1580 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1581 -
1582 -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.
1583 -
1584 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1585 -
1586 -[[image:image-20230616235145-1.png]]
1587 -
1588 -(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
1589 -
1590 -[[image:image-20240219115718-1.png]]
1591 -
1592 -
1593 -
1594 1594  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1595 1595  
1596 1596  
1597 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1539 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1598 1598  
1599 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1541 +Note: DO pins go to float when device is power off.
1600 1600  
1601 1601  [[image:1653357531600-905.png]]
1602 1602  
... ... @@ -1618,12 +1618,13 @@
1618 1618  
1619 1619  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1620 1620  
1621 -(% style="color:red" %)**Red:  12~~24v**
1563 +**Red:  12~~24v**
1622 1622  
1623 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1565 +**Yellow:  4~~20mA**
1624 1624  
1625 1625  **Black:  GND**
1626 1626  
1569 +
1627 1627  **Connection diagram:**
1628 1628  
1629 1629  [[image:1653357640609-758.png]]
... ... @@ -1631,22 +1631,6 @@
1631 1631  [[image:1653357648330-671.png||height="155" width="733"]]
1632 1632  
1633 1633  
1634 -Example connected to a regulated power supply to measure voltage
1635 -
1636 -[[image:image-20230608101532-1.png||height="606" width="447"]]
1637 -
1638 -[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1639 -
1640 -[[image:image-20230608101722-3.png||height="102" width="1139"]]
1641 -
1642 -
1643 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1644 -
1645 -(% style="color:red" %)**Red:  12~~24v**
1646 -
1647 -**Black:  GND**
1648 -
1649 -
1650 1650  === 3.6.5 Relay Output ===
1651 1651  
1652 1652  
... ... @@ -1665,41 +1665,9 @@
1665 1665  == 3.7 LEDs Indicators ==
1666 1666  
1667 1667  
1668 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1669 -|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:470px" %)**Feature**
1670 -|**PWR**|Always on if there is power
1671 -|**SYS**|(((
1672 -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.
1673 -)))
1674 -|**TX**|(((
1675 -(((
1676 -Device boot: TX blinks 5 times.
1677 -)))
1595 +[[image:image-20220524100748-11.png]]
1678 1678  
1679 -(((
1680 -Successful join network: TX ON for 5 seconds.
1681 -)))
1682 1682  
1683 -(((
1684 -Transmit a LoRa packet: TX blinks once
1685 -)))
1686 -)))
1687 -|**RX**|RX blinks once when receive a packet.
1688 -|**DO1**|
1689 -|**DO2**|
1690 -|**DO3**|
1691 -|**DI2**|(((
1692 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1693 -)))
1694 -|**DI2**|(((
1695 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1696 -)))
1697 -|**DI2**|(((
1698 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1699 -)))
1700 -|**RO1**|
1701 -|**RO2**|
1702 -
1703 1703  = 4. Use AT Command =
1704 1704  
1705 1705  == 4.1 Access AT Command ==
... ... @@ -2030,7 +2030,9 @@
2030 2030  **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?
2031 2031  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2032 2032  
2033 -**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.**
1928 +**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**
1929 +
1930 +
2034 2034  )))
2035 2035  
2036 2036  (((
... ... @@ -2037,6 +2037,9 @@
2037 2037  [[image:1653359097980-169.png||height="188" width="729"]]
2038 2038  )))
2039 2039  
1937 +(((
1938 +
1939 +)))
2040 2040  
2041 2041  === 4.2.3 Change to Class A ===
2042 2042  
... ... @@ -2044,25 +2044,16 @@
2044 2044  (((
2045 2045  (% style="color:blue" %)**If sensor JOINED:**
2046 2046  
2047 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
2048 -
2049 -(% style="background-color:#dcdcdc" %)**ATZ**
1947 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1948 +ATZ**
2050 2050  )))
2051 2051  
2052 2052  
2053 -= 5. Case Study =
1952 += 5. FAQ =
2054 2054  
2055 -== 5.1 Counting how many objects pass in Flow Line ==
1954 +== 5.1 How to upgrade the image? ==
2056 2056  
2057 2057  
2058 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
2059 -
2060 -
2061 -= 6. FAQ =
2062 -
2063 -== 6.1 How to upgrade the image? ==
2064 -
2065 -
2066 2066  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2067 2067  
2068 2068  * Support new features
... ... @@ -2076,7 +2076,7 @@
2076 2076  
2077 2077  (((
2078 2078  (% 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]].
2079 -(% 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]].
1970 +(% 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]].
2080 2080  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2081 2081  
2082 2082  
... ... @@ -2090,21 +2090,20 @@
2090 2090  
2091 2091   [[image:image-20220524103407-12.png]]
2092 2092  
2093 -
2094 2094  [[image:image-20220524103429-13.png]]
2095 2095  
2096 -
2097 2097  [[image:image-20220524104033-15.png]]
2098 2098  
2099 2099  
2100 2100  (% 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:
2101 2101  
1991 +
2102 2102  [[image:1653360054704-518.png||height="186" width="745"]]
2103 2103  
2104 2104  
2105 2105  (((
2106 2106  (((
2107 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1997 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2108 2108  
2109 2109  
2110 2110  )))
... ... @@ -2117,7 +2117,7 @@
2117 2117  (((
2118 2118  
2119 2119  
2120 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2010 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2121 2121  
2122 2122  
2123 2123  )))
... ... @@ -2162,21 +2162,13 @@
2162 2162  
2163 2163  (((
2164 2164  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2165 -
2166 2166  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2167 -
2168 2168  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2169 -
2170 2170  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2171 -
2172 2172  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2173 -
2174 2174  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2175 -
2176 2176  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2177 -
2178 2178  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2179 -
2180 2180  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2181 2181  )))
2182 2182  
... ... @@ -2188,20 +2188,14 @@
2188 2188  [[image:1653360498588-932.png||height="485" width="726"]]
2189 2189  
2190 2190  
2191 -== 6.4 How to change the uplink interval? ==
2073 +== 5.4 Can I see counting event in Serial? ==
2192 2192  
2193 2193  
2194 -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/]]
2195 -
2196 -
2197 -== 6.5 Can I see counting event in Serial? ==
2198 -
2199 -
2200 2200  (((
2201 2201  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.
2202 2202  
2203 2203  
2204 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2080 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2205 2205  
2206 2206  
2207 2207  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]].
... ... @@ -2210,7 +2210,7 @@
2210 2210  )))
2211 2211  
2212 2212  (((
2213 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2089 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2214 2214  
2215 2215  
2216 2216  If the device is not shut down, but directly powered off.
... ... @@ -2222,7 +2222,7 @@
2222 2222  After restart, the status before power failure will be read from flash.
2223 2223  
2224 2224  
2225 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2101 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2226 2226  
2227 2227  
2228 2228  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2231,24 +2231,18 @@
2231 2231  [[image:image-20221006170630-1.png||height="610" width="945"]]
2232 2232  
2233 2233  
2234 -== 6.9 Can LT22222-L save RO state? ==
2110 +== 5.8 Can LT22222-L save RO state? ==
2235 2235  
2236 2236  
2237 2237  Firmware version needs to be no less than 1.6.0.
2238 2238  
2239 2239  
2240 -== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2241 -
2242 -
2243 -It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2244 -
2245 -
2246 -= 7. Trouble Shooting =
2116 += 6. Trouble Shooting =
2247 2247  )))
2248 2248  
2249 2249  (((
2250 2250  (((
2251 -== 7.1 Downlink doesn't work, how to solve it? ==
2121 +== 6.1 Downlink doesn't work, how to solve it? ==
2252 2252  
2253 2253  
2254 2254  )))
... ... @@ -2261,7 +2261,7 @@
2261 2261  (((
2262 2262  
2263 2263  
2264 -== 7.2 Have trouble to upload image. ==
2134 +== 6.2 Have trouble to upload image. ==
2265 2265  
2266 2266  
2267 2267  )))
... ... @@ -2273,7 +2273,7 @@
2273 2273  (((
2274 2274  
2275 2275  
2276 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2146 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2277 2277  
2278 2278  
2279 2279  )))
... ... @@ -2283,16 +2283,9 @@
2283 2283  )))
2284 2284  
2285 2285  
2286 -== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2156 += 7. Order Info =
2287 2287  
2288 2288  
2289 -The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2290 -Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2291 -
2292 -
2293 -= 8. Order Info =
2294 -
2295 -
2296 2296  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2297 2297  
2298 2298  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2307,9 +2307,11 @@
2307 2307  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2308 2308  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2309 2309  
2310 -= 9. Packing Info =
2311 2311  
2312 2312  
2175 += 8. Packing Info =
2176 +
2177 +
2313 2313  **Package Includes**:
2314 2314  
2315 2315  * LT-22222-L I/O Controller x 1
... ... @@ -2324,22 +2324,27 @@
2324 2324  * Package Size / pcs : 14.5 x 8 x 5 cm
2325 2325  * Weight / pcs : 170g
2326 2326  
2327 -= 10. Support =
2328 2328  
2329 2329  
2194 += 9. Support =
2195 +
2196 +
2330 2330  * (((
2331 2331  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.
2332 2332  )))
2333 2333  * (((
2334 -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]]
2201 +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]]
2335 2335  
2336 2336  
2337 2337  
2338 2338  )))
2339 2339  
2340 -= 11. Reference​​​​​ =
2207 += 10. Reference​​​​​ =
2341 2341  
2342 2342  
2343 2343  * 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]]
2344 2344  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2345 2345  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2213 +
2214 +
2215 +
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