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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 127.1
edited by Bei Jinggeng
on 2023/08/21 09:08
Change comment: There is no comment for this version
To version 116.1
edited by Bei Jinggeng
on 2023/04/26 16:13
Change comment: Uploaded new attachment "image-20230426161322-1.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -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.
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.
30 30  )))
31 31  
32 32  (((
... ... @@ -190,6 +190,7 @@
190 190  * Counting
191 191  
192 192  
193 +
193 193  == 1.4  Applications ==
194 194  
195 195  
... ... @@ -206,11 +206,12 @@
206 206  * Smart Factory
207 207  
208 208  
210 +
209 209  == 1.5 Hardware Variants ==
210 210  
211 211  
212 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
213 -|(% 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**
214 +(% border="1" style="background-color:#f2f2f2; width:500px" %)
215 +|(% 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:334px" %)**Description**
214 214  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
215 215  (% style="text-align:center" %)
216 216  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -224,6 +224,7 @@
224 224  )))
225 225  
226 226  
229 +
227 227  = 2. Power ON Device =
228 228  
229 229  
... ... @@ -280,7 +280,7 @@
280 280  Each LT is shipped with a sticker with the default device EUI as below:
281 281  )))
282 282  
283 -[[image:image-20230425173427-2.png||height="246" width="530"]]
286 +[[image:image-20230425173427-2.png]]
284 284  
285 285  
286 286  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -295,6 +295,7 @@
295 295  [[image:1653298023685-319.png]]
296 296  
297 297  
301 +
298 298  (((
299 299  (% 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.
300 300  
... ... @@ -310,15 +310,10 @@
310 310  There are five working modes + one interrupt mode on LT for different type application:
311 311  
312 312  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
313 -
314 314  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
315 -
316 316  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
317 -
318 318  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
319 -
320 320  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
321 -
322 322  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
323 323  
324 324  
... ... @@ -326,32 +326,20 @@
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:#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**
333 -|Value|(((
334 -AVI1 voltage
335 -)))|(((
336 -AVI2 voltage
337 -)))|(((
338 -ACI1 Current
339 -)))|(((
340 -ACI2 Current
341 -)))|DIDORO*|(((
342 -Reserve
343 -)))|MOD
328 +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  
331 +[[image:image-20220523174024-3.png]]
332 +
346 346  (((
347 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
334 +
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
336 +(% 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.
339 +[[image:image-20220523174254-4.png]]
340 +
341 +* 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
352 +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  
... ... @@ -400,55 +400,56 @@
400 400  
401 401  (((
402 402  Total : 11 bytes payload
403 -
404 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
405 -|(% 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**
406 -|Value|COUNT1|COUNT2 |DIDORO*|(((
407 -Reserve
408 -)))|MOD
409 409  )))
410 410  
411 -(((
412 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
392 +[[image:image-20220523180452-3.png]]
413 413  
414 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
415 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
416 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
417 417  
418 -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
419 419  )))
420 420  
399 +[[image:image-20220523180506-4.png]]
400 +
401 +* RO is for relay. ROx=1 : close，ROx=0 always open.
421 421  * FIRST: Indicate this is the first packet after join network.
422 422  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
423 423  
424 424  (((
425 425  (% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
426 -
427 -
428 428  )))
429 429  
430 430  (((
410 +
411 +
431 431  **To use counting mode, please run:**
432 432  )))
433 433  
434 -(((
435 435  (% class="box infomessage" %)
436 436  (((
417 +(((
418 +(((
437 437  **AT+MOD=2**
420 +)))
438 438  
422 +(((
439 439  **ATZ**
440 440  )))
441 441  )))
426 +)))
442 442  
443 443  (((
444 444  
445 445  
446 446  (% style="color:#4f81bd" %)**AT Commands for counting:**
432 +
433 +
447 447  )))
448 448  
449 449  (((
450 450  **For LT22222-L:**
451 451  
439 +
452 452  (% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
453 453  
454 454  (% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
... ... @@ -468,23 +468,17 @@
468 468  
469 469  **LT22222-L**: This mode the DI1 is used as a counting pin.
470 470  
471 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
472 -|(% 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**
473 -|Value|COUNT1|(((
474 -ACI1 Current
475 -)))|(((
476 -ACI2 Current
477 -)))|DIDORO*|Reserve|MOD
459 +[[image:image-20220523181246-5.png]]
478 478  
479 479  (((
480 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
462 +
481 481  
482 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
483 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
484 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
464 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
485 485  )))
486 486  
487 -* RO is for relay. ROx=1 : close, ROx=0 always open.
467 +[[image:image-20220523181301-6.png]]
468 +
469 +* RO is for relay. ROx=1 : close，ROx=0 always open.
488 488  * FIRST: Indicate this is the first packet after join network.
489 489  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
490 490  
... ... @@ -497,14 +497,18 @@
497 497  **To use counting mode, please run:**
498 498  )))
499 499  
500 -(((
501 501  (% class="box infomessage" %)
502 502  (((
484 +(((
485 +(((
503 503  **AT+MOD=3**
487 +)))
504 504  
489 +(((
505 505  **ATZ**
506 506  )))
507 507  )))
493 +)))
508 508  
509 509  (((
510 510  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -520,52 +520,55 @@
520 520  
521 521  (((
522 522  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.
523 -
524 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
525 -|(% 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**
526 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
527 -Reserve
528 -)))|MOD
529 529  )))
530 530  
511 +[[image:image-20220523181903-8.png]]
512 +
513 +
531 531  (((
532 532  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
533 -
534 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
535 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
536 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
537 537  )))
538 538  
539 -* RO is for relay. ROx=1 : close, ROx=0 always open.
518 +[[image:image-20220523181727-7.png]]
519 +
520 +* RO is for relay. ROx=1 : close，ROx=0 always open.
540 540  * FIRST: Indicate this is the first packet after join network.
541 541  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
542 542  
543 543  (((
544 544  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
545 -
546 -
547 547  )))
548 548  
549 549  (((
529 +
530 +
550 550  **To use this mode, please run:**
551 551  )))
552 552  
553 -(((
554 554  (% class="box infomessage" %)
555 555  (((
536 +(((
537 +(((
556 556  **AT+MOD=4**
539 +)))
557 557  
541 +(((
558 558  **ATZ**
559 559  )))
560 560  )))
545 +)))
561 561  
547 +
562 562  (((
563 563  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
564 564  )))
565 565  
566 566  (((
553 +
554 +
567 567  **Plus below command for AVI1 Counting:**
568 568  
557 +
569 569  (% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
570 570  
571 571  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
... ... @@ -581,27 +581,15 @@
581 581  
582 582  **LT22222-L**: This mode the DI1 is used as a counting pin.
583 583  
584 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
585 -|(% 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**
586 -|Value|(((
587 -AVI1 voltage
588 -)))|(((
589 -AVI2 voltage
590 -)))|(((
591 -ACI1 Current
592 -)))|COUNT1|DIDORO*|(((
593 -Reserve
594 -)))|MOD
573 +[[image:image-20220523182334-9.png]]
595 595  
596 596  (((
597 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
576 +
598 598  
599 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
600 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
601 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
578 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
602 602  )))
603 603  
604 -* RO is for relay. ROx=1 : close, ROx=0 always open.
581 +* RO is for relay. ROx=1 : close，ROx=0 always open.
605 605  * FIRST: Indicate this is the first packet after join network.
606 606  * (((
607 607  DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -612,17 +612,23 @@
612 612  )))
613 613  
614 614  (((
592 +
593 +
615 615  **To use this mode, please run:**
616 616  )))
617 617  
618 -(((
619 619  (% class="box infomessage" %)
620 620  (((
599 +(((
600 +(((
621 621  **AT+MOD=5**
602 +)))
622 622  
604 +(((
623 623  **ATZ**
624 624  )))
625 625  )))
608 +)))
626 626  
627 627  (((
628 628  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -717,39 +717,12 @@
717 717  
718 718  MOD6 Payload : total 11 bytes payload
719 719  
720 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
721 -|(% 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**
722 -|Value|(((
723 -TRI_A FLAG
724 -)))|(((
725 -TRI_A Status
726 -)))|(((
727 -TRI_DI FLAG+STA
728 -)))|Reserve|Enable/Disable MOD6|(((
729 -MOD(6)
730 -)))
703 +[[image:image-20220524085923-1.png]]
731 731  
705 +
732 732  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
733 733  
734 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
735 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
736 -|(((
737 -AV1_LOW
738 -)))|(((
739 -AV1_HIGH
740 -)))|(((
741 -AV2_LOW
742 -)))|(((
743 -AV2_HIGH
744 -)))|(((
745 -AC1_LOW
746 -)))|(((
747 -AC1_HIGH
748 -)))|(((
749 -AC2_LOW
750 -)))|(((
751 -AC2_HIGH
752 -)))
708 +[[image:image-20220524090106-2.png]]
753 753  
754 754  * Each bits shows if the corresponding trigger has been configured.
755 755  
... ... @@ -758,27 +758,10 @@
758 758  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
759 759  
760 760  
717 +
761 761  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
762 762  
763 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
764 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
765 -|(((
766 -AV1_LOW
767 -)))|(((
768 -AV1_HIGH
769 -)))|(((
770 -AV2_LOW
771 -)))|(((
772 -AV2_HIGH
773 -)))|(((
774 -AC1_LOW
775 -)))|(((
776 -AC1_HIGH
777 -)))|(((
778 -AC2_LOW
779 -)))|(((
780 -AC2_HIGH
781 -)))
720 +[[image:image-20220524090249-3.png]]
782 782  
783 783  * Each bits shows which status has been trigger on this uplink.
784 784  
... ... @@ -789,9 +789,7 @@
789 789  
790 790  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
791 791  
792 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
793 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
794 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
731 +[[image:image-20220524090456-4.png]]
795 795  
796 796  * Each bits shows which status has been trigger on this uplink.
797 797  
... ... @@ -872,10 +872,14 @@
872 872  
873 873  Set work mode.
874 874  
875 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
812 +* (% style="color:#037691" %)**AT Command:**
876 876  
814 +(% style="color:blue" %)**AT+MOD=N  **
815 +
816 +
877 877  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
878 878  
819 +
879 879  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
880 880  
881 881  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
... ... @@ -885,12 +885,16 @@
885 885  ==== 3.4.2.3 Poll an uplink ====
886 886  
887 887  
888 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
829 +* (% style="color:#037691" %)**AT Command:**
889 889  
831 +There is no AT Command to poll uplink
832 +
833 +
890 890  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
891 891  
892 892  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
893 893  
838 +
894 894  **Example**: 0x08FF, ask device to send an Uplink
895 895  
896 896  
... ... @@ -900,8 +900,10 @@
900 900  
901 901  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
902 902  
903 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
848 +* (% style="color:#037691" %)**AT Command:**
904 904  
850 +(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
851 +
905 905  (% style="color:red" %)**1:** (%%)Enable Trigger Mode
906 906  
907 907  (% style="color:red" %)**0: **(%%)Disable Trigger Mode
... ... @@ -916,12 +916,13 @@
916 916  ==== 3.4.2.5 Poll trigger settings ====
917 917  
918 918  
919 -Poll trigger settings
866 +Poll trigger settings,
920 920  
921 921  * (% style="color:#037691" %)**AT Command:**
922 922  
923 923  There is no AT Command for this feature.
924 924  
872 +
925 925  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
926 926  
927 927  (% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
... ... @@ -933,11 +933,15 @@
933 933  
934 934  Enable Disable DI1/DI2/DI2 as trigger,
935 935  
936 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
884 +* (% style="color:#037691" %)**AT Command:**
937 937  
938 -**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
886 +(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
939 939  
940 940  
889 +**Example:**
890 +
891 +AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
892 +
941 941  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
942 942  
943 943  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -949,15 +949,20 @@
949 949  
950 950  Set DI1 or DI3(for LT-33222-L) trigger.
951 951  
952 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
904 +* (% style="color:#037691" %)**AT Command:**
953 953  
906 +(% style="color:blue" %)**AT+TRIG1=a,b**
907 +
954 954  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
955 955  
956 956  (% style="color:red" %)**b :** (%%)delay timing.
957 957  
958 -**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
959 959  
913 +**Example:**
960 960  
915 +AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
916 +
917 +
961 961  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
962 962  
963 963  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
... ... @@ -969,15 +969,20 @@
969 969  
970 970  Set DI2 trigger.
971 971  
972 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
929 +* (% style="color:#037691" %)**AT Command:**
973 973  
931 +(% style="color:blue" %)**AT+TRIG2=a,b**
932 +
974 974  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
975 975  
976 976  (% style="color:red" %)**b :** (%%)delay timing.
977 977  
978 -**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
979 979  
938 +**Example:**
980 980  
940 +AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
941 +
942 +
981 981  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
982 982  
983 983  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
... ... @@ -989,8 +989,11 @@
989 989  
990 990  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
991 991  
992 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
954 +* (% style="color:#037691" %)**AT Command**
993 993  
956 +(% style="color:blue" %)**AT+ACLIM**
957 +
958 +
994 994  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
995 995  
996 996  (% 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"]]
... ... @@ -1002,8 +1002,11 @@
1002 1002  
1003 1003  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1004 1004  
1005 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
970 +* (% style="color:#037691" %)**AT Command**
1006 1006  
972 +(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
973 +
974 +
1007 1007  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1008 1008  
1009 1009  (% 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"]]
... ... @@ -1015,13 +1015,18 @@
1015 1015  
1016 1016  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1017 1017  
1018 -* (% 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.
986 +* (% style="color:#037691" %)**AT Command**
1019 1019  
988 +(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
989 +
990 +
1020 1020  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1021 1021  
1022 1022  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1023 1023  
1024 1024  (((
996 +
997 +
1025 1025  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
1026 1026  )))
1027 1027  
... ... @@ -1036,9 +1036,8 @@
1036 1036  
1037 1037  
1038 1038  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1012 +* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1039 1039  
1040 -(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1041 -
1042 1042  (((
1043 1043  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1044 1044  )))
... ... @@ -1045,14 +1045,10 @@
1045 1045  
1046 1046  (((
1047 1047  01: Low,  00: High ,  11: No action
1048 -
1049 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1050 -|(% 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**
1051 -|02  01  00  11|Low|High|No Action
1052 -|02  00  11  01|High|No Action|Low
1053 -|02  11  01  00|No Action|Low|High
1054 1054  )))
1055 1055  
1022 +[[image:image-20220524092754-5.png]]
1023 +
1056 1056  (((
1057 1057  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1058 1058  )))
... ... @@ -1089,31 +1089,24 @@
1089 1089  
1090 1090  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1091 1091  
1092 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1093 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1094 -|0x01|DO1 set to low
1095 -|0x00|DO1 set to high
1096 -|0x11|DO1 NO Action
1060 +[[image:image-20220524093238-6.png]]
1097 1097  
1062 +
1098 1098  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1099 1099  
1100 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1101 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1102 -|0x01|DO2 set to low
1103 -|0x00|DO2 set to high
1104 -|0x11|DO2 NO Action
1065 +[[image:image-20220524093328-7.png]]
1105 1105  
1067 +
1106 1106  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1107 1107  
1108 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1109 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1110 -|0x01|DO3 set to low
1111 -|0x00|DO3 set to high
1112 -|0x11|DO3 NO Action
1070 +[[image:image-20220524093351-8.png]]
1113 1113  
1114 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1115 1115  
1073 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1116 1116  
1075 + Latching time. Unit: ms
1076 +
1077 +
1117 1117  (% style="color:red" %)**Note: **
1118 1118  
1119 1119   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
... ... @@ -1120,6 +1120,7 @@
1120 1120  
1121 1121   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1122 1122  
1084 +
1123 1123  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1124 1124  
1125 1125  
... ... @@ -1162,17 +1162,10 @@
1162 1162  
1163 1163  (((
1164 1164  01: Close ,  00: Open , 11: No action
1127 +)))
1165 1165  
1166 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1167 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1168 -|03  00  11|Open|No Action
1169 -|03  01  11|Close|No Action
1170 -|03  11  00|No Action|Open
1171 -|03  11  01|No Action|Close
1172 -|03  00  00|Open|Open
1173 -|03  01  01|Close|Close
1174 -|03  01  00|Close|Open
1175 -|03  00  01|Open|Close
1129 +(((
1130 +[[image:image-20220524093724-9.png]]
1176 1176  )))
1177 1177  
1178 1178  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1246,8 +1246,11 @@
1246 1246  
1247 1247  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1248 1248  
1249 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1204 +* (% style="color:#037691" %)**AT Command:**
1250 1250  
1206 +(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1207 +
1208 +
1251 1251  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1252 1252  
1253 1253  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1257,8 +1257,10 @@
1257 1257  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1258 1258  
1259 1259  
1260 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1218 +* (% style="color:#037691" %)**AT Command:**
1261 1261  
1220 +(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1221 +
1262 1262  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1263 1263  
1264 1264  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1275,8 +1275,11 @@
1275 1275  
1276 1276  Clear counting for counting mode
1277 1277  
1278 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1238 +* (% style="color:#037691" %)**AT Command:**
1279 1279  
1240 +(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1241 +
1242 +
1280 1280  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1281 1281  
1282 1282  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1428,7 +1428,7 @@
1428 1428  
1429 1429  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1430 1430  
1431 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1394 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1432 1432  
1433 1433  Search under The things network
1434 1434  
... ... @@ -1435,6 +1435,7 @@
1435 1435  [[image:1653356838789-523.png||height="337" width="740"]]
1436 1436  
1437 1437  
1401 +
1438 1438  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1439 1439  
1440 1440  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1466,12 +1466,12 @@
1466 1466  
1467 1467  
1468 1468  (((
1469 -The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1433 +The DI port of LT-22222-L can support NPN or PNP output sensor.
1470 1470  )))
1471 1471  
1472 1472  (((
1473 1473  (((
1474 -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.
1438 +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.
1475 1475  
1476 1476  
1477 1477  )))
... ... @@ -1579,15 +1579,6 @@
1579 1579  )))
1580 1580  
1581 1581  
1582 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1583 -
1584 -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.
1585 -
1586 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1587 -
1588 -[[image:image-20230616235145-1.png]]
1589 -
1590 -
1591 1591  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1592 1592  
1593 1593  
... ... @@ -1621,6 +1621,7 @@
1621 1621  
1622 1622  **Black:  GND**
1623 1623  
1579 +
1624 1624  **Connection diagram:**
1625 1625  
1626 1626  [[image:1653357640609-758.png]]
... ... @@ -1628,22 +1628,6 @@
1628 1628  [[image:1653357648330-671.png||height="155" width="733"]]
1629 1629  
1630 1630  
1631 -Example connected to a regulated power supply to measure voltage
1632 -
1633 -[[image:image-20230608101532-1.png||height="606" width="447"]]
1634 -
1635 -[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1636 -
1637 -[[image:image-20230608101722-3.png||height="102" width="1139"]]
1638 -
1639 -
1640 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1641 -
1642 -(% style="color:red" %)**Red:  12~~24v**
1643 -
1644 -**Black:  GND**
1645 -
1646 -
1647 1647  === 3.6.5 Relay Output ===
1648 1648  
1649 1649  
... ... @@ -1662,42 +1662,9 @@
1662 1662  == 3.7 LEDs Indicators ==
1663 1663  
1664 1664  
1665 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1666 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1667 -|**PWR**|Always on if there is power
1668 -|**SYS**|(((
1669 -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.
1670 -)))
1671 -|**TX**|(((
1672 -(((
1673 -Device boot: TX blinks 5 times.
1674 -)))
1605 +[[image:image-20220524100748-11.png]]
1675 1675  
1676 -(((
1677 -Successful join network: TX ON for 5 seconds.
1678 -)))
1679 1679  
1680 -(((
1681 -Transmit a LoRa packet: TX blinks once
1682 -)))
1683 -)))
1684 -|**RX**|RX blinks once when receive a packet.
1685 -|**DO1**|
1686 -|**DO2**|
1687 -|**DO3**|
1688 -|**DI2**|(((
1689 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1690 -)))
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 -|**RO1**|
1698 -|**RO2**|
1699 -
1700 -
1701 1701  = 4. Use AT Command =
1702 1702  
1703 1703  == 4.1 Access AT Command ==
... ... @@ -2029,6 +2029,8 @@
2029 2029  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2030 2030  
2031 2031  **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.**
1939 +
1940 +
2032 2032  )))
2033 2033  
2034 2034  (((
... ... @@ -2035,6 +2035,9 @@
2035 2035  [[image:1653359097980-169.png||height="188" width="729"]]
2036 2036  )))
2037 2037  
1947 +(((
1948 +
1949 +)))
2038 2038  
2039 2039  === 4.2.3 Change to Class A ===
2040 2040  
... ... @@ -2042,9 +2042,8 @@
2042 2042  (((
2043 2043  (% style="color:blue" %)**If sensor JOINED:**
2044 2044  
2045 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
2046 -
2047 -(% style="background-color:#dcdcdc" %)**ATZ**
1957 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1958 +ATZ**
2048 2048  )))
2049 2049  
2050 2050  
... ... @@ -2074,7 +2074,7 @@
2074 2074  
2075 2075  (((
2076 2076  (% 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]].
2077 -(% 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]].
1988 +(% 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]].
2078 2078  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2079 2079  
2080 2080  
... ... @@ -2161,21 +2161,13 @@
2161 2161  
2162 2162  (((
2163 2163  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2164 -
2165 2165  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2166 -
2167 2167  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2168 -
2169 2169  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2170 -
2171 2171  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2172 -
2173 2173  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2174 -
2175 2175  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2176 -
2177 2177  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2178 -
2179 2179  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2180 2180  )))
2181 2181  
... ... @@ -2187,20 +2187,14 @@
2187 2187  [[image:1653360498588-932.png||height="485" width="726"]]
2188 2188  
2189 2189  
2190 -== 6.4 How to change the uplink interval? ==
2093 +== 6.4 Can I see counting event in Serial? ==
2191 2191  
2192 2192  
2193 -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/]]
2194 -
2195 -
2196 -== 6.5 Can I see counting event in Serial? ==
2197 -
2198 -
2199 2199  (((
2200 2200  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.
2201 2201  
2202 2202  
2203 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2100 +== 6.5 Can i use point to point communication for LT-22222-L? ==
2204 2204  
2205 2205  
2206 2206  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]].
... ... @@ -2209,7 +2209,7 @@
2209 2209  )))
2210 2210  
2211 2211  (((
2212 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2109 +== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2213 2213  
2214 2214  
2215 2215  If the device is not shut down, but directly powered off.
... ... @@ -2221,7 +2221,7 @@
2221 2221  After restart, the status before power failure will be read from flash.
2222 2222  
2223 2223  
2224 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2121 +== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2225 2225  
2226 2226  
2227 2227  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2230,18 +2230,12 @@
2230 2230  [[image:image-20221006170630-1.png||height="610" width="945"]]
2231 2231  
2232 2232  
2233 -== 6.9 Can LT22222-L save RO state? ==
2130 +== 6.8 Can LT22222-L save RO state? ==
2234 2234  
2235 2235  
2236 2236  Firmware version needs to be no less than 1.6.0.
2237 2237  
2238 -== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2239 2239  
2240 -
2241 -It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2242 -
2243 -
2244 -
2245 2245  = 7. Trouble Shooting =
2246 2246  )))
2247 2247  
... ... @@ -2282,8 +2282,6 @@
2282 2282  )))
2283 2283  
2284 2284  
2285 -== ==
2286 -
2287 2287  = 8. Order Info =
2288 2288  
2289 2289  
... ... @@ -2302,6 +2302,7 @@
2302 2302  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2303 2303  
2304 2304  
2194 +
2305 2305  = 9. Packing Info =
2306 2306  
2307 2307  
... ... @@ -2320,6 +2320,7 @@
2320 2320  * Weight / pcs : 170g
2321 2321  
2322 2322  
2213 +
2323 2323  = 10. Support =
2324 2324  
2325 2325  
... ... @@ -2327,7 +2327,7 @@
2327 2327  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.
2328 2328  )))
2329 2329  * (((
2330 -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]]
2221 +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]]
2331 2331  
2332 2332  
2333 2333  
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