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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 126.21
edited by Xiaoling
on 2023/06/19 16:22
Change comment: There is no comment for this version
To version 110.1
edited by Bei Jinggeng
on 2022/12/22 09:19
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
... ... @@ -15,6 +15,7 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 +
18 18  == 1.1 What is LT Series I/O Controller ==
19 19  
20 20  (((
... ... @@ -26,7 +26,7 @@
26 26  )))
27 27  
28 28  (((
29 -The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
30 +The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
30 30  )))
31 31  
32 32  (((
... ... @@ -53,6 +53,7 @@
53 53  
54 54  )))
55 55  
57 +
56 56  == 1.2  Specifications ==
57 57  
58 58  (((
... ... @@ -169,6 +169,7 @@
169 169  Packet engine up to 256 bytes with CRC.
170 170  
171 171  
174 +
172 172  
173 173  )))
174 174  
... ... @@ -176,43 +176,31 @@
176 176  
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 -
180 180  * Optional Customized LoRa Protocol
181 -
182 182  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 -
184 184  * AT Commands to change parameters
185 -
186 186  * Remote configure parameters via LoRa Downlink
187 -
188 188  * Firmware upgradable via program port
189 -
190 190  * Counting
191 191  
189 +
192 192  == 1.4  Applications ==
193 193  
194 194  
195 195  * Smart Buildings & Home Automation
196 -
197 197  * Logistics and Supply Chain Management
198 -
199 199  * Smart Metering
200 -
201 201  * Smart Agriculture
202 -
203 203  * Smart Cities
204 -
205 205  * Smart Factory
206 206  
200 +
207 207  == 1.5 Hardware Variants ==
208 208  
209 209  
210 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
211 -|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:266px" %)**Description**
212 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
213 -(% style="text-align:center" %)
214 -[[image:image-20230424115112-1.png||height="106" width="58"]]
215 -)))|(% style="width:334px" %)(((
204 +(% border="1" style="background-color:#f7faff; width:500px" %)
205 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
206 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
216 216  * 2 x Digital Input (Bi-direction)
217 217  * 2 x Digital Output
218 218  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -221,6 +221,7 @@
221 221  * 1 x Counting Port
222 222  )))
223 223  
215 +
224 224  = 2. Power ON Device =
225 225  
226 226  
... ... @@ -277,7 +277,7 @@
277 277  Each LT is shipped with a sticker with the default device EUI as below:
278 278  )))
279 279  
280 -[[image:image-20230425173427-2.png||height="246" width="530"]]
272 +[[image:1653297924498-393.png]]
281 281  
282 282  
283 283  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -302,6 +302,7 @@
302 302  [[image:1653298044601-602.png||height="405" width="709"]]
303 303  
304 304  
297 +
305 305  == 3.3 Uplink Payload ==
306 306  
307 307  
... ... @@ -308,46 +308,30 @@
308 308  There are five working modes + one interrupt mode on LT for different type application:
309 309  
310 310  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
311 -
312 312  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
313 -
314 314  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
315 -
316 316  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
317 -
318 318  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
319 -
320 320  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
321 321  
310 +
322 322  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
323 323  
324 324  
325 325  (((
326 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
327 -
328 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
329 -|(% 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**
330 -|Value|(((
331 -AVI1 voltage
332 -)))|(((
333 -AVI2 voltage
334 -)))|(((
335 -ACI1 Current
336 -)))|(((
337 -ACI2 Current
338 -)))|DIDORO*|(((
339 -Reserve
340 -)))|MOD
315 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
341 341  )))
342 342  
318 +[[image:image-20220523174024-3.png]]
319 +
343 343  (((
344 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
321 +
345 345  
346 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
347 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
348 -|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
349 349  )))
350 350  
326 +[[image:image-20220523174254-4.png]]
327 +
351 351  * RO is for relay. ROx=1 : close，ROx=0 always open.
352 352  * DI is for digital input. DIx=1: high or float, DIx=0: low.
353 353  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -387,6 +387,7 @@
387 387  ** DO1 is high in case there is load between DO1 and V+.
388 388  ** DO1 LED is off in both case
389 389  
367 +
390 390  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
391 391  
392 392  
... ... @@ -396,24 +396,18 @@
396 396  
397 397  (((
398 398  Total : 11 bytes payload
399 -
400 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
401 -|(% 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**
402 -|Value|COUNT1|COUNT2 |DIDORO*|(((
403 -Reserve
404 -)))|MOD
405 405  )))
406 406  
407 -(((
408 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
379 +[[image:image-20220523180452-3.png]]
409 409  
410 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
411 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
412 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
413 413  
414 -RO is for relay. ROx=1 : close，ROx=0 always open.
382 +(((
383 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
415 415  )))
416 416  
386 +[[image:image-20220523180506-4.png]]
387 +
388 +* RO is for relay. ROx=1 : close，ROx=0 always open.
417 417  * FIRST: Indicate this is the first packet after join network.
418 418  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
419 419  
... ... @@ -422,28 +422,36 @@
422 422  )))
423 423  
424 424  (((
397 +
398 +
425 425  **To use counting mode, please run:**
426 426  )))
427 427  
428 -
429 -(((
430 430  (% class="box infomessage" %)
431 431  (((
404 +(((
405 +(((
432 432  **AT+MOD=2**
407 +)))
433 433  
409 +(((
434 434  **ATZ**
435 435  )))
436 436  )))
413 +)))
437 437  
438 438  (((
439 439  
440 440  
441 441  (% style="color:#4f81bd" %)**AT Commands for counting:**
419 +
420 +
442 442  )))
443 443  
444 444  (((
445 445  **For LT22222-L:**
446 446  
426 +
447 447  (% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
448 448  
449 449  (% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
... ... @@ -463,22 +463,16 @@
463 463  
464 464  **LT22222-L**: This mode the DI1 is used as a counting pin.
465 465  
466 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
467 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
468 -|Value|COUNT1|(((
469 -ACI1 Current
470 -)))|(((
471 -ACI2 Current
472 -)))|DIDORO*|Reserve|MOD
446 +[[image:image-20220523181246-5.png]]
473 473  
474 474  (((
475 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
449 +
476 476  
477 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
478 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
479 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
451 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
480 480  )))
481 481  
454 +[[image:image-20220523181301-6.png]]
455 +
482 482  * RO is for relay. ROx=1 : close，ROx=0 always open.
483 483  * FIRST: Indicate this is the first packet after join network.
484 484  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -492,14 +492,18 @@
492 492  **To use counting mode, please run:**
493 493  )))
494 494  
495 -(((
496 496  (% class="box infomessage" %)
497 497  (((
471 +(((
472 +(((
498 498  **AT+MOD=3**
474 +)))
499 499  
476 +(((
500 500  **ATZ**
501 501  )))
502 502  )))
480 +)))
503 503  
504 504  (((
505 505  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -515,22 +515,17 @@
515 515  
516 516  (((
517 517  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
518 -
519 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
520 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
521 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
522 -Reserve
523 -)))|MOD
524 524  )))
525 525  
498 +[[image:image-20220523181903-8.png]]
499 +
500 +
526 526  (((
527 527  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
528 -
529 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
530 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
531 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
532 532  )))
533 533  
505 +[[image:image-20220523181727-7.png]]
506 +
534 534  * RO is for relay. ROx=1 : close，ROx=0 always open.
535 535  * FIRST: Indicate this is the first packet after join network.
536 536  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -537,30 +537,38 @@
537 537  
538 538  (((
539 539  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
540 -
541 -
542 542  )))
543 543  
544 544  (((
516 +
517 +
545 545  **To use this mode, please run:**
546 546  )))
547 547  
548 -(((
549 549  (% class="box infomessage" %)
550 550  (((
523 +(((
524 +(((
551 551  **AT+MOD=4**
526 +)))
552 552  
528 +(((
553 553  **ATZ**
554 554  )))
555 555  )))
532 +)))
556 556  
534 +
557 557  (((
558 558  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
559 559  )))
560 560  
561 561  (((
540 +
541 +
562 562  **Plus below command for AVI1 Counting:**
563 563  
544 +
564 564  (% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
565 565  
566 566  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
... ... @@ -576,24 +576,12 @@
576 576  
577 577  **LT22222-L**: This mode the DI1 is used as a counting pin.
578 578  
579 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
580 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
581 -|Value|(((
582 -AVI1 voltage
583 -)))|(((
584 -AVI2 voltage
585 -)))|(((
586 -ACI1 Current
587 -)))|COUNT1|DIDORO*|(((
588 -Reserve
589 -)))|MOD
560 +[[image:image-20220523182334-9.png]]
590 590  
591 591  (((
592 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
563 +
593 593  
594 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
595 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
596 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
565 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
597 597  )))
598 598  
599 599  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -607,17 +607,23 @@
607 607  )))
608 608  
609 609  (((
579 +
580 +
610 610  **To use this mode, please run:**
611 611  )))
612 612  
613 -(((
614 614  (% class="box infomessage" %)
615 615  (((
586 +(((
587 +(((
616 616  **AT+MOD=5**
589 +)))
617 617  
591 +(((
618 618  **ATZ**
619 619  )))
620 620  )))
595 +)))
621 621  
622 622  (((
623 623  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -678,6 +678,7 @@
678 678  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
679 679  
680 680  
656 +
681 681  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
682 682  
683 683  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -712,39 +712,12 @@
712 712  
713 713  MOD6 Payload : total 11 bytes payload
714 714  
715 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
716 -|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:49px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
717 -|Value|(((
718 -TRI_A FLAG
719 -)))|(((
720 -TRI_A Status
721 -)))|(((
722 -TRI_DI FLAG+STA
723 -)))|Reserve|Enable/Disable MOD6|(((
724 -MOD(6)
725 -)))
691 +[[image:image-20220524085923-1.png]]
726 726  
693 +
727 727  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
728 728  
729 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
730 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
731 -|(((
732 -AV1_LOW
733 -)))|(((
734 -AV1_HIGH
735 -)))|(((
736 -AV2_LOW
737 -)))|(((
738 -AV2_HIGH
739 -)))|(((
740 -AC1_LOW
741 -)))|(((
742 -AC1_HIGH
743 -)))|(((
744 -AC2_LOW
745 -)))|(((
746 -AC2_HIGH
747 -)))
696 +[[image:image-20220524090106-2.png]]
748 748  
749 749  * Each bits shows if the corresponding trigger has been configured.
750 750  
... ... @@ -753,27 +753,10 @@
753 753  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
754 754  
755 755  
705 +
756 756  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
757 757  
758 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
759 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
760 -|(((
761 -AV1_LOW
762 -)))|(((
763 -AV1_HIGH
764 -)))|(((
765 -AV2_LOW
766 -)))|(((
767 -AV2_HIGH
768 -)))|(((
769 -AC1_LOW
770 -)))|(((
771 -AC1_HIGH
772 -)))|(((
773 -AC2_LOW
774 -)))|(((
775 -AC2_HIGH
776 -)))
708 +[[image:image-20220524090249-3.png]]
777 777  
778 778  * Each bits shows which status has been trigger on this uplink.
779 779  
... ... @@ -782,11 +782,10 @@
782 782  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
783 783  
784 784  
717 +
785 785  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
786 786  
787 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
788 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
789 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
720 +[[image:image-20220524090456-4.png]]
790 790  
791 791  * Each bits shows which status has been trigger on this uplink.
792 792  
... ... @@ -797,6 +797,7 @@
797 797  00000101: Means both DI1 and DI2 trigger are enabled.
798 798  
799 799  
731 +
800 800  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
801 801  
802 802  Downlink command to poll MOD6 status:
... ... @@ -832,6 +832,7 @@
832 832  
833 833  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
834 834  
767 +
835 835  === 3.4.1 Common Commands ===
836 836  
837 837  
... ... @@ -866,10 +866,14 @@
866 866  
867 867  Set work mode.
868 868  
869 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
802 +* (% style="color:#037691" %)**AT Command:**
870 870  
804 +(% style="color:blue" %)**AT+MOD=N  **
805 +
806 +
871 871  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
872 872  
809 +
873 873  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
874 874  
875 875  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
... ... @@ -879,12 +879,16 @@
879 879  ==== 3.4.2.3 Poll an uplink ====
880 880  
881 881  
882 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
819 +* (% style="color:#037691" %)**AT Command:**
883 883  
821 +There is no AT Command to poll uplink
822 +
823 +
884 884  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
885 885  
886 886  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
887 887  
828 +
888 888  **Example**: 0x08FF, ask device to send an Uplink
889 889  
890 890  
... ... @@ -894,8 +894,10 @@
894 894  
895 895  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
896 896  
897 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
838 +* (% style="color:#037691" %)**AT Command:**
898 898  
840 +(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
841 +
899 899  (% style="color:red" %)**1:** (%%)Enable Trigger Mode
900 900  
901 901  (% style="color:red" %)**0: **(%%)Disable Trigger Mode
... ... @@ -907,15 +907,17 @@
907 907  
908 908  
909 909  
853 +
910 910  ==== 3.4.2.5 Poll trigger settings ====
911 911  
912 912  
913 -Poll trigger settings
857 +Poll trigger settings,
914 914  
915 915  * (% style="color:#037691" %)**AT Command:**
916 916  
917 917  There is no AT Command for this feature.
918 918  
863 +
919 919  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
920 920  
921 921  (% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
... ... @@ -927,11 +927,15 @@
927 927  
928 928  Enable Disable DI1/DI2/DI2 as trigger,
929 929  
930 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
875 +* (% style="color:#037691" %)**AT Command:**
931 931  
932 -**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
877 +(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
933 933  
934 934  
880 +**Example:**
881 +
882 +AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
883 +
935 935  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
936 936  
937 937  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -943,15 +943,20 @@
943 943  
944 944  Set DI1 or DI3(for LT-33222-L) trigger.
945 945  
946 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
895 +* (% style="color:#037691" %)**AT Command:**
947 947  
897 +(% style="color:blue" %)**AT+TRIG1=a,b**
898 +
948 948  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
949 949  
950 950  (% style="color:red" %)**b :** (%%)delay timing.
951 951  
952 -**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
953 953  
904 +**Example:**
954 954  
906 +AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
907 +
908 +
955 955  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
956 956  
957 957  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
... ... @@ -963,15 +963,20 @@
963 963  
964 964  Set DI2 trigger.
965 965  
966 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
920 +* (% style="color:#037691" %)**AT Command:**
967 967  
922 +(% style="color:blue" %)**AT+TRIG2=a,b**
923 +
968 968  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
969 969  
970 970  (% style="color:red" %)**b :** (%%)delay timing.
971 971  
972 -**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
973 973  
929 +**Example:**
974 974  
931 +AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
932 +
933 +
975 975  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
976 976  
977 977  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
... ... @@ -983,8 +983,11 @@
983 983  
984 984  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
985 985  
986 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
945 +* (% style="color:#037691" %)**AT Command**
987 987  
947 +(% style="color:blue" %)**AT+ACLIM**
948 +
949 +
988 988  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
989 989  
990 990  (% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -996,8 +996,11 @@
996 996  
997 997  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
998 998  
999 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
961 +* (% style="color:#037691" %)**AT Command**
1000 1000  
963 +(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
964 +
965 +
1001 1001  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1002 1002  
1003 1003  (% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -1009,13 +1009,18 @@
1009 1009  
1010 1010  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1011 1011  
1012 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
977 +* (% style="color:#037691" %)**AT Command**
1013 1013  
979 +(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
980 +
981 +
1014 1014  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1015 1015  
1016 1016  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1017 1017  
1018 1018  (((
987 +
988 +
1019 1019  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
1020 1020  )))
1021 1021  
... ... @@ -1030,9 +1030,8 @@
1030 1030  
1031 1031  
1032 1032  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1003 +* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1033 1033  
1034 -(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1035 -
1036 1036  (((
1037 1037  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1038 1038  )))
... ... @@ -1039,14 +1039,10 @@
1039 1039  
1040 1040  (((
1041 1041  01: Low,  00: High ,  11: No action
1042 -
1043 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1044 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**
1045 -|02  01  00  11|Low|High|No Action
1046 -|02  00  11  01|High|No Action|Low
1047 -|02  11  01  00|No Action|Low|High
1048 1048  )))
1049 1049  
1013 +[[image:image-20220524092754-5.png]]
1014 +
1050 1050  (((
1051 1051  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1052 1052  )))
... ... @@ -1083,37 +1083,30 @@
1083 1083  
1084 1084  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1085 1085  
1086 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1087 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1088 -|0x01|DO1 set to low
1089 -|0x00|DO1 set to high
1090 -|0x11|DO1 NO Action
1051 +[[image:image-20220524093238-6.png]]
1091 1091  
1053 +
1092 1092  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1093 1093  
1094 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1095 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1096 -|0x01|DO2 set to low
1097 -|0x00|DO2 set to high
1098 -|0x11|DO2 NO Action
1056 +[[image:image-20220524093328-7.png]]
1099 1099  
1058 +
1100 1100  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1101 1101  
1102 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1103 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1104 -|0x01|DO3 set to low
1105 -|0x00|DO3 set to high
1106 -|0x11|DO3 NO Action
1061 +[[image:image-20220524093351-8.png]]
1107 1107  
1108 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1109 1109  
1064 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1110 1110  
1111 -(% style="color:red" %)**Note: **
1066 + Latching time. Unit: ms
1112 1112  
1068 +Note:
1069 +
1113 1113   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1114 1114  
1115 1115   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1116 1116  
1074 +
1117 1117  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1118 1118  
1119 1119  
... ... @@ -1137,7 +1137,7 @@
1137 1137  
1138 1138  
1139 1139  
1140 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1098 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1141 1141  
1142 1142  
1143 1143  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1156,17 +1156,10 @@
1156 1156  
1157 1157  (((
1158 1158  01: Close ,  00: Open , 11: No action
1117 +)))
1159 1159  
1160 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1161 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1162 -|03  00  11|Open|No Action
1163 -|03  01  11|Close|No Action
1164 -|03  11  00|No Action|Open
1165 -|03  11  01|No Action|Close
1166 -|03  00  00|Open|Open
1167 -|03  01  01|Close|Close
1168 -|03  01  00|Close|Open
1169 -|03  00  01|Open|Close
1119 +(((
1120 +[[image:image-20220524093724-9.png]]
1170 1170  )))
1171 1171  
1172 1172  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1173,6 +1173,7 @@
1173 1173  
1174 1174  
1175 1175  
1127 +
1176 1176  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1177 1177  
1178 1178  
... ... @@ -1204,9 +1204,8 @@
1204 1204  
1205 1205  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1206 1206  
1159 +Note:
1207 1207  
1208 -(% style="color:red" %)**Note:**
1209 -
1210 1210   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1211 1211  
1212 1212   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1217,7 +1217,7 @@
1217 1217  
1218 1218  **Example payload:**
1219 1219  
1220 -**~1. 05 01 11 07 D0**
1171 +**~1. 05 01 11 07 D**
1221 1221  
1222 1222  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1223 1223  
... ... @@ -1240,8 +1240,11 @@
1240 1240  
1241 1241  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1242 1242  
1243 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1194 +* (% style="color:#037691" %)**AT Command:**
1244 1244  
1196 +(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1197 +
1198 +
1245 1245  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1246 1246  
1247 1247  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1251,8 +1251,10 @@
1251 1251  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1252 1252  
1253 1253  
1254 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1208 +* (% style="color:#037691" %)**AT Command:**
1255 1255  
1210 +(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1211 +
1256 1256  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1257 1257  
1258 1258  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1269,8 +1269,11 @@
1269 1269  
1270 1270  Clear counting for counting mode
1271 1271  
1272 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1228 +* (% style="color:#037691" %)**AT Command:**
1273 1273  
1230 +(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1231 +
1232 +
1274 1274  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1275 1275  
1276 1276  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1344,6 +1344,7 @@
1344 1344  
1345 1345  
1346 1346  
1306 +
1347 1347  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1348 1348  
1349 1349  
... ... @@ -1360,6 +1360,7 @@
1360 1360  
1361 1361  
1362 1362  
1323 +
1363 1363  ==== 3.4.2.25 Copy downlink to uplink ====
1364 1364  
1365 1365  
... ... @@ -1422,7 +1422,7 @@
1422 1422  
1423 1423  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1424 1424  
1425 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1386 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1426 1426  
1427 1427  Search under The things network
1428 1428  
... ... @@ -1461,12 +1461,12 @@
1461 1461  
1462 1462  
1463 1463  (((
1464 -The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1425 +The DI port of LT-22222-L can support NPN or PNP output sensor.
1465 1465  )))
1466 1466  
1467 1467  (((
1468 1468  (((
1469 -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.
1430 +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.
1470 1470  
1471 1471  
1472 1472  )))
... ... @@ -1513,6 +1513,8 @@
1513 1513  
1514 1514  (((
1515 1515  
1477 +
1478 +
1516 1516  )))
1517 1517  
1518 1518  (((
... ... @@ -1544,6 +1544,8 @@
1544 1544  
1545 1545  (((
1546 1546  
1510 +
1511 +
1547 1547  )))
1548 1548  
1549 1549  (((
... ... @@ -1574,22 +1574,12 @@
1574 1574  )))
1575 1575  
1576 1576  
1577 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1578 -
1579 -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.
1580 -
1581 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1582 -
1583 -[[image:image-20230616235145-1.png]]
1584 -
1585 -
1586 -
1587 1587  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1588 1588  
1589 1589  
1590 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1545 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1591 1591  
1592 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1547 +Note: DO pins go to float when device is power off.
1593 1593  
1594 1594  [[image:1653357531600-905.png]]
1595 1595  
... ... @@ -1611,12 +1611,13 @@
1611 1611  
1612 1612  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1613 1613  
1614 -(% style="color:red" %)**Red:  12~~24v**
1569 +**Red:  12~~24v**
1615 1615  
1616 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1571 +**Yellow:  4~~20mA**
1617 1617  
1618 1618  **Black:  GND**
1619 1619  
1575 +
1620 1620  **Connection diagram:**
1621 1621  
1622 1622  [[image:1653357640609-758.png]]
... ... @@ -1624,22 +1624,6 @@
1624 1624  [[image:1653357648330-671.png||height="155" width="733"]]
1625 1625  
1626 1626  
1627 -Example connected to a regulated power supply to measure voltage
1628 -
1629 -[[image:image-20230608101532-1.png||height="606" width="447"]]
1630 -
1631 -[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1632 -
1633 -[[image:image-20230608101722-3.png||height="102" width="1139"]]
1634 -
1635 -
1636 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1637 -
1638 -(% style="color:red" %)**Red:  12~~24v**
1639 -
1640 -**Black:  GND**
1641 -
1642 -
1643 1643  === 3.6.5 Relay Output ===
1644 1644  
1645 1645  
... ... @@ -1658,40 +1658,9 @@
1658 1658  == 3.7 LEDs Indicators ==
1659 1659  
1660 1660  
1661 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1662 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1663 -|**PWR**|Always on if there is power
1664 -|**SYS**|(((
1665 -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.
1666 -)))
1667 -|**TX**|(((
1668 -(((
1669 -Device boot: TX blinks 5 times.
1670 -)))
1601 +[[image:image-20220524100748-11.png]]
1671 1671  
1672 -(((
1673 -Successful join network: TX ON for 5 seconds.
1674 -)))
1675 1675  
1676 -(((
1677 -Transmit a LoRa packet: TX blinks once
1678 -)))
1679 -)))
1680 -|**RX**|RX blinks once when receive a packet.
1681 -|**DO1**|
1682 -|**DO2**|
1683 -|**DO3**|
1684 -|**DI2**|(((
1685 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1686 -)))
1687 -|**DI2**|(((
1688 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1689 -)))
1690 -|**DI2**|(((
1691 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1692 -)))
1693 -|**RO1**|
1694 -|**RO2**|
1695 1695  
1696 1696  = 4. Use AT Command =
1697 1697  
... ... @@ -2023,7 +2023,9 @@
2023 2023  **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?
2024 2024  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2025 2025  
2026 -**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.**
1935 +**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**
1936 +
1937 +
2027 2027  )))
2028 2028  
2029 2029  (((
... ... @@ -2030,7 +2030,11 @@
2030 2030  [[image:1653359097980-169.png||height="188" width="729"]]
2031 2031  )))
2032 2032  
1944 +(((
1945 +
1946 +)))
2033 2033  
1948 +
2034 2034  === 4.2.3 Change to Class A ===
2035 2035  
2036 2036  
... ... @@ -2037,25 +2037,16 @@
2037 2037  (((
2038 2038  (% style="color:blue" %)**If sensor JOINED:**
2039 2039  
2040 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
2041 -
2042 -(% style="background-color:#dcdcdc" %)**ATZ**
1955 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1956 +ATZ**
2043 2043  )))
2044 2044  
2045 2045  
2046 -= 5. Case Study =
1960 += 5. FAQ =
2047 2047  
2048 -== 5.1 Counting how many objects pass in Flow Line ==
1962 +== 5.1 How to upgrade the image? ==
2049 2049  
2050 2050  
2051 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
2052 -
2053 -
2054 -= 6. FAQ =
2055 -
2056 -== 6.1 How to upgrade the image? ==
2057 -
2058 -
2059 2059  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2060 2060  
2061 2061  * Support new features
... ... @@ -2069,7 +2069,7 @@
2069 2069  
2070 2070  (((
2071 2071  (% 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]].
2072 -(% 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]].
1978 +(% 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]].
2073 2073  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2074 2074  
2075 2075  
... ... @@ -2083,10 +2083,8 @@
2083 2083  
2084 2084   [[image:image-20220524103407-12.png]]
2085 2085  
2086 -
2087 2087  [[image:image-20220524103429-13.png]]
2088 2088  
2089 -
2090 2090  [[image:image-20220524104033-15.png]]
2091 2091  
2092 2092  
... ... @@ -2098,7 +2098,7 @@
2098 2098  
2099 2099  (((
2100 2100  (((
2101 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2005 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2102 2102  
2103 2103  
2104 2104  )))
... ... @@ -2111,7 +2111,7 @@
2111 2111  (((
2112 2112  
2113 2113  
2114 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2018 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2115 2115  
2116 2116  
2117 2117  )))
... ... @@ -2156,21 +2156,13 @@
2156 2156  
2157 2157  (((
2158 2158  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2159 -
2160 2160  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2161 -
2162 2162  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2163 -
2164 2164  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2165 -
2166 2166  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2167 -
2168 2168  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2169 -
2170 2170  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2171 -
2172 2172  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2173 -
2174 2174  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2175 2175  )))
2176 2176  
... ... @@ -2182,20 +2182,14 @@
2182 2182  [[image:1653360498588-932.png||height="485" width="726"]]
2183 2183  
2184 2184  
2185 -== 6.4 How to change the uplink interval？ ==
2081 +== 5.4 Can I see counting event in Serial? ==
2186 2186  
2187 2187  
2188 -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/]]
2189 -
2190 -
2191 -== 6.5 Can I see counting event in Serial? ==
2192 -
2193 -
2194 2194  (((
2195 2195  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.
2196 2196  
2197 2197  
2198 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2088 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2199 2199  
2200 2200  
2201 2201  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]].
... ... @@ -2204,7 +2204,7 @@
2204 2204  )))
2205 2205  
2206 2206  (((
2207 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2097 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2208 2208  
2209 2209  
2210 2210  If the device is not shut down, but directly powered off.
... ... @@ -2216,7 +2216,7 @@
2216 2216  After restart, the status before power failure will be read from flash.
2217 2217  
2218 2218  
2219 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2109 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2220 2220  
2221 2221  
2222 2222  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2225,18 +2225,18 @@
2225 2225  [[image:image-20221006170630-1.png||height="610" width="945"]]
2226 2226  
2227 2227  
2228 -== 6.9 Can LT22222-L save RO state? ==
2118 +== 5.8 Can LT22222-L save RO state? ==
2229 2229  
2230 2230  
2231 2231  Firmware version needs to be no less than 1.6.0.
2232 2232  
2233 2233  
2234 -= 7. Trouble Shooting =
2124 += 6. Trouble Shooting =
2235 2235  )))
2236 2236  
2237 2237  (((
2238 2238  (((
2239 -== 7.1 Downlink doesn't work, how to solve it? ==
2129 +== 6.1 Downlink doesn't work, how to solve it? ==
2240 2240  
2241 2241  
2242 2242  )))
... ... @@ -2249,7 +2249,7 @@
2249 2249  (((
2250 2250  
2251 2251  
2252 -== 7.2 Have trouble to upload image. ==
2142 +== 6.2 Have trouble to upload image. ==
2253 2253  
2254 2254  
2255 2255  )))
... ... @@ -2261,7 +2261,7 @@
2261 2261  (((
2262 2262  
2263 2263  
2264 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2154 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2265 2265  
2266 2266  
2267 2267  )))
... ... @@ -2271,7 +2271,7 @@
2271 2271  )))
2272 2272  
2273 2273  
2274 -= 8. Order Info =
2164 += 7. Order Info =
2275 2275  
2276 2276  
2277 2277  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2289,10 +2289,9 @@
2289 2289  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2290 2290  
2291 2291  
2182 += 8. Packing Info =
2292 2292  
2293 -= 9. Packing Info =
2294 2294  
2295 -
2296 2296  **Package Includes**:
2297 2297  
2298 2298  * LT-22222-L I/O Controller x 1
... ... @@ -2308,25 +2308,22 @@
2308 2308  * Weight / pcs : 170g
2309 2309  
2310 2310  
2200 += 9. Support =
2311 2311  
2312 -= 10. Support =
2313 2313  
2314 -
2315 2315  * (((
2316 2316  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.
2317 2317  )))
2318 2318  * (((
2319 -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]]
2207 +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]]
2320 2320  
2321 2321  
2322 2322  
2323 2323  )))
2324 2324  
2325 -= 11. Reference​​​​​ =
2213 += 10. Reference​​​​​ =
2326 2326  
2327 2327  
2328 2328  * 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]]
2329 2329  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2330 2330  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2331 -
2332 -
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