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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 126.8
edited by Xiaoling
on 2023/06/19 15:53
Change comment: There is no comment for this version
To version 109.1
edited by Edwin Chen
on 2022/11/19 11:32
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Edwin
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  
... ... @@ -176,17 +176,11 @@
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  
192 192  == 1.4  Applications ==
... ... @@ -193,29 +193,18 @@
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  
207 -
208 -
209 -
210 210  == 1.5 Hardware Variants ==
211 211  
212 212  
213 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
214 -|(% 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**
215 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
216 -(% style="text-align:center" %)
217 -[[image:image-20230424115112-1.png||height="106" width="58"]]
218 -)))|(% style="width:334px" %)(((
202 +(% border="1" style="background-color:#f7faff; width:500px" %)
203 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
204 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
219 219  * 2 x Digital Input (Bi-direction)
220 220  * 2 x Digital Output
221 221  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -240,8 +240,10 @@
240 240  [[image:1653297104069-180.png]]
241 241  
242 242  
229 +
243 243  = 3. Operation Mode =
244 244  
232 +
245 245  == 3.1 How it works? ==
246 246  
247 247  
... ... @@ -254,6 +254,7 @@
254 254  )))
255 255  
256 256  
245 +
257 257  == 3.2 Example to join LoRaWAN network ==
258 258  
259 259  
... ... @@ -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"]]
272 +[[image:1653297924498-393.png]]
284 284  
285 285  
286 286  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -305,6 +305,7 @@
305 305  [[image:1653298044601-602.png||height="405" width="709"]]
306 306  
307 307  
297 +
308 308  == 3.3 Uplink Payload ==
309 309  
310 310  
... ... @@ -311,15 +311,10 @@
311 311  There are five working modes + one interrupt mode on LT for different type application:
312 312  
313 313  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
314 -
315 315  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
316 -
317 317  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
318 -
319 319  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
320 -
321 321  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
322 -
323 323  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
324 324  
325 325  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
... ... @@ -326,31 +326,19 @@
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
314 +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  
317 +[[image:image-20220523174024-3.png]]
318 +
346 346  (((
347 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
320 +
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
322 +(% 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  
325 +[[image:image-20220523174254-4.png]]
326 +
354 354  * 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.
... ... @@ -390,9 +390,6 @@
390 390  ** DO1 is high in case there is load between DO1 and V+.
391 391  ** DO1 LED is off in both case
392 392  
393 -
394 -
395 -
396 396  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
397 397  
398 398  
... ... @@ -402,24 +402,18 @@
402 402  
403 403  (((
404 404  Total : 11 bytes payload
405 -
406 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
407 -|(% 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**
408 -|Value|COUNT1|COUNT2 |DIDORO*|(((
409 -Reserve
410 -)))|MOD
411 411  )))
412 412  
413 -(((
414 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
377 +[[image:image-20220523180452-3.png]]
415 415  
416 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
417 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
418 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
419 419  
420 -RO is for relay. ROx=1 : close，ROx=0 always open.
380 +(((
381 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
421 421  )))
422 422  
384 +[[image:image-20220523180506-4.png]]
385 +
386 +* RO is for relay. ROx=1 : close，ROx=0 always open.
423 423  * FIRST: Indicate this is the first packet after join network.
424 424  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
425 425  
... ... @@ -428,12 +428,15 @@
428 428  )))
429 429  
430 430  (((
395 +
396 +
431 431  **To use counting mode, please run:**
432 432  )))
433 433  
434 434  (% class="box infomessage" %)
435 -
436 436  (((
402 +(((
403 +(((
437 437  **AT+MOD=2**
438 438  )))
439 439  
... ... @@ -440,17 +440,21 @@
440 440  (((
441 441  **ATZ**
442 442  )))
410 +)))
411 +)))
443 443  
444 -
445 445  (((
446 446  
447 447  
448 448  (% style="color:#4f81bd" %)**AT Commands for counting:**
417 +
418 +
449 449  )))
450 450  
451 451  (((
452 452  **For LT22222-L:**
453 453  
424 +
454 454  (% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
455 455  
456 456  (% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
... ... @@ -465,27 +465,22 @@
465 465  )))
466 466  
467 467  
439 +
468 468  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
469 469  
470 470  
471 471  **LT22222-L**: This mode the DI1 is used as a counting pin.
472 472  
473 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
474 -|(% 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**
475 -|Value|COUNT1|(((
476 -ACI1 Current
477 -)))|(((
478 -ACI2 Current
479 -)))|DIDORO*|Reserve|MOD
445 +[[image:image-20220523181246-5.png]]
480 480  
481 481  (((
482 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
448 +
483 483  
484 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
485 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
486 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
450 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
487 487  )))
488 488  
453 +[[image:image-20220523181301-6.png]]
454 +
489 489  * RO is for relay. ROx=1 : close，ROx=0 always open.
490 490  * FIRST: Indicate this is the first packet after join network.
491 491  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -500,8 +500,9 @@
500 500  )))
501 501  
502 502  (% class="box infomessage" %)
503 -
504 504  (((
470 +(((
471 +(((
505 505  **AT+MOD=3**
506 506  )))
507 507  
... ... @@ -508,13 +508,15 @@
508 508  (((
509 509  **ATZ**
510 510  )))
478 +)))
479 +)))
511 511  
512 -
513 513  (((
514 514  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
515 515  )))
516 516  
517 517  
486 +
518 518  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
519 519  
520 520  
... ... @@ -524,22 +524,17 @@
524 524  
525 525  (((
526 526  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.
527 -
528 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
529 -|(% 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**
530 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
531 -Reserve
532 -)))|MOD
533 533  )))
534 534  
498 +[[image:image-20220523181903-8.png]]
499 +
500 +
535 535  (((
536 536  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
537 -
538 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
539 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
540 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
541 541  )))
542 542  
505 +[[image:image-20220523181727-7.png]]
506 +
543 543  * RO is for relay. ROx=1 : close，ROx=0 always open.
544 544  * FIRST: Indicate this is the first packet after join network.
545 545  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -555,8 +555,9 @@
555 555  )))
556 556  
557 557  (% class="box infomessage" %)
558 -
559 559  (((
523 +(((
524 +(((
560 560  **AT+MOD=4**
561 561  )))
562 562  
... ... @@ -563,16 +563,20 @@
563 563  (((
564 564  **ATZ**
565 565  )))
531 +)))
532 +)))
566 566  
567 567  
568 -
569 569  (((
570 570  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
571 571  )))
572 572  
573 573  (((
540 +
541 +
574 574  **Plus below command for AVI1 Counting:**
575 575  
544 +
576 576  (% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
577 577  
578 578  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
... ... @@ -583,29 +583,18 @@
583 583  )))
584 584  
585 585  
555 +
586 586  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
587 587  
588 588  
589 589  **LT22222-L**: This mode the DI1 is used as a counting pin.
590 590  
591 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
592 -|(% 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**
593 -|Value|(((
594 -AVI1 voltage
595 -)))|(((
596 -AVI2 voltage
597 -)))|(((
598 -ACI1 Current
599 -)))|COUNT1|DIDORO*|(((
600 -Reserve
601 -)))|MOD
561 +[[image:image-20220523182334-9.png]]
602 602  
603 603  (((
604 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
564 +
605 605  
606 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
607 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
608 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
566 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
609 609  )))
610 610  
611 611  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -625,8 +625,9 @@
625 625  )))
626 626  
627 627  (% class="box infomessage" %)
628 -
629 629  (((
587 +(((
588 +(((
630 630  **AT+MOD=5**
631 631  )))
632 632  
... ... @@ -633,13 +633,15 @@
633 633  (((
634 634  **ATZ**
635 635  )))
595 +)))
596 +)))
636 636  
637 -
638 638  (((
639 639  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
640 640  )))
641 641  
642 642  
603 +
643 643  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
644 644  
645 645  
... ... @@ -694,6 +694,7 @@
694 694  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
695 695  
696 696  
658 +
697 697  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
698 698  
699 699  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -728,39 +728,12 @@
728 728  
729 729  MOD6 Payload : total 11 bytes payload
730 730  
731 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
732 -|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
733 -|Value|(((
734 -TRI_A FLAG
735 -)))|(((
736 -TRI_A Status
737 -)))|(((
738 -TRI_DI FLAG+STA
739 -)))|Reserve|Enable/Disable MOD6|(((
740 -MOD(6)
741 -)))
693 +[[image:image-20220524085923-1.png]]
742 742  
695 +
743 743  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
744 744  
745 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
746 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
747 -|(((
748 -AV1_LOW
749 -)))|(((
750 -AV1_HIGH
751 -)))|(((
752 -AV2_LOW
753 -)))|(((
754 -AV2_HIGH
755 -)))|(((
756 -AC1_LOW
757 -)))|(((
758 -AC1_HIGH
759 -)))|(((
760 -AC2_LOW
761 -)))|(((
762 -AC2_HIGH
763 -)))
698 +[[image:image-20220524090106-2.png]]
764 764  
765 765  * Each bits shows if the corresponding trigger has been configured.
766 766  
... ... @@ -769,27 +769,10 @@
769 769  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
770 770  
771 771  
707 +
772 772  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
773 773  
774 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
775 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
776 -|(((
777 -AV1_LOW
778 -)))|(((
779 -AV1_HIGH
780 -)))|(((
781 -AV2_LOW
782 -)))|(((
783 -AV2_HIGH
784 -)))|(((
785 -AC1_LOW
786 -)))|(((
787 -AC1_HIGH
788 -)))|(((
789 -AC2_LOW
790 -)))|(((
791 -AC2_HIGH
792 -)))
710 +[[image:image-20220524090249-3.png]]
793 793  
794 794  * Each bits shows which status has been trigger on this uplink.
795 795  
... ... @@ -798,11 +798,10 @@
798 798  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
799 799  
800 800  
719 +
801 801  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
802 802  
803 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
804 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
805 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
722 +[[image:image-20220524090456-4.png]]
806 806  
807 807  * Each bits shows which status has been trigger on this uplink.
808 808  
... ... @@ -813,6 +813,7 @@
813 813  00000101: Means both DI1 and DI2 trigger are enabled.
814 814  
815 815  
733 +
816 816  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
817 817  
818 818  Downlink command to poll MOD6 status:
... ... @@ -822,6 +822,7 @@
822 822  When device got this command, it will send the MOD6 payload.
823 823  
824 824  
743 +
825 825  === 3.3.7 Payload Decoder ===
826 826  
827 827  (((
... ... @@ -831,6 +831,7 @@
831 831  )))
832 832  
833 833  
753 +
834 834  == 3.4 ​Configure LT via AT or Downlink ==
835 835  
836 836  
... ... @@ -856,8 +856,10 @@
856 856  )))
857 857  
858 858  
779 +
859 859  === 3.4.2 Sensor related commands ===
860 860  
782 +
861 861  ==== 3.4.2.1 Set Transmit Interval ====
862 862  
863 863  
... ... @@ -882,10 +882,14 @@
882 882  
883 883  Set work mode.
884 884  
885 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
807 +* (% style="color:#037691" %)**AT Command:**
886 886  
809 +(% style="color:blue" %)**AT+MOD=N  **
810 +
811 +
887 887  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
888 888  
814 +
889 889  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
890 890  
891 891  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
... ... @@ -895,12 +895,16 @@
895 895  ==== 3.4.2.3 Poll an uplink ====
896 896  
897 897  
898 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
824 +* (% style="color:#037691" %)**AT Command:**
899 899  
826 +There is no AT Command to poll uplink
827 +
828 +
900 900  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
901 901  
902 902  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
903 903  
833 +
904 904  **Example**: 0x08FF, ask device to send an Uplink
905 905  
906 906  
... ... @@ -910,8 +910,10 @@
910 910  
911 911  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
912 912  
913 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
843 +* (% style="color:#037691" %)**AT Command:**
914 914  
845 +(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
846 +
915 915  (% style="color:red" %)**1:** (%%)Enable Trigger Mode
916 916  
917 917  (% style="color:red" %)**0: **(%%)Disable Trigger Mode
... ... @@ -923,15 +923,17 @@
923 923  
924 924  
925 925  
858 +
926 926  ==== 3.4.2.5 Poll trigger settings ====
927 927  
928 928  
929 -Poll trigger settings
862 +Poll trigger settings,
930 930  
931 931  * (% style="color:#037691" %)**AT Command:**
932 932  
933 933  There is no AT Command for this feature.
934 934  
868 +
935 935  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
936 936  
937 937  (% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
... ... @@ -943,11 +943,15 @@
943 943  
944 944  Enable Disable DI1/DI2/DI2 as trigger,
945 945  
946 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
880 +* (% style="color:#037691" %)**AT Command:**
947 947  
948 -**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
882 +(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
949 949  
950 950  
885 +**Example:**
886 +
887 +AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
888 +
951 951  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
952 952  
953 953  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -959,15 +959,20 @@
959 959  
960 960  Set DI1 or DI3(for LT-33222-L) trigger.
961 961  
962 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
900 +* (% style="color:#037691" %)**AT Command:**
963 963  
902 +(% style="color:blue" %)**AT+TRIG1=a,b**
903 +
964 964  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
965 965  
966 966  (% style="color:red" %)**b :** (%%)delay timing.
967 967  
968 -**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
969 969  
909 +**Example:**
970 970  
911 +AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
912 +
913 +
971 971  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
972 972  
973 973  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
... ... @@ -979,18 +979,23 @@
979 979  
980 980  Set DI2 trigger.
981 981  
982 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
925 +* (% style="color:#037691" %)**AT Command:**
983 983  
927 +(% style="color:blue" %)**AT+TRIG2=a,b**
928 +
984 984  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
985 985  
986 986  (% style="color:red" %)**b :** (%%)delay timing.
987 987  
988 -**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
989 989  
934 +**Example:**
990 990  
936 +AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
937 +
938 +
991 991  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
992 992  
993 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
941 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
994 994  
995 995  
996 996  
... ... @@ -999,8 +999,11 @@
999 999  
1000 1000  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1001 1001  
1002 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
950 +* (% style="color:#037691" %)**AT Command**
1003 1003  
952 +(% style="color:blue" %)**AT+ACLIM**
953 +
954 +
1004 1004  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
1005 1005  
1006 1006  (% 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"]]
... ... @@ -1012,8 +1012,11 @@
1012 1012  
1013 1013  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1014 1014  
1015 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
966 +* (% style="color:#037691" %)**AT Command**
1016 1016  
968 +(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
969 +
970 +
1017 1017  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1018 1018  
1019 1019  (% 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"]]
... ... @@ -1025,13 +1025,18 @@
1025 1025  
1026 1026  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1027 1027  
1028 -* (% 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.
982 +* (% style="color:#037691" %)**AT Command**
1029 1029  
984 +(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
985 +
986 +
1030 1030  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1031 1031  
1032 1032  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1033 1033  
1034 1034  (((
992 +
993 +
1035 1035  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
1036 1036  )))
1037 1037  
... ... @@ -1046,9 +1046,8 @@
1046 1046  
1047 1047  
1048 1048  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1008 +* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1049 1049  
1050 -(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1051 -
1052 1052  (((
1053 1053  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1054 1054  )))
... ... @@ -1055,14 +1055,10 @@
1055 1055  
1056 1056  (((
1057 1057  01: Low,  00: High ,  11: No action
1058 -
1059 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1060 -|(% 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**
1061 -|02  01  00  11|Low|High|No Action
1062 -|02  00  11  01|High|No Action|Low
1063 -|02  11  01  00|No Action|Low|High
1064 1064  )))
1065 1065  
1018 +[[image:image-20220524092754-5.png]]
1019 +
1066 1066  (((
1067 1067  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1068 1068  )))
... ... @@ -1099,37 +1099,30 @@
1099 1099  
1100 1100  (% style="color:#4f81bd" %)**Third 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|DO1 set to low
1105 -|0x00|DO1 set to high
1106 -|0x11|DO1 NO Action
1056 +[[image:image-20220524093238-6.png]]
1107 1107  
1058 +
1108 1108  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1109 1109  
1110 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1111 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1112 -|0x01|DO2 set to low
1113 -|0x00|DO2 set to high
1114 -|0x11|DO2 NO Action
1061 +[[image:image-20220524093328-7.png]]
1115 1115  
1063 +
1116 1116  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1117 1117  
1118 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1119 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1120 -|0x01|DO3 set to low
1121 -|0x00|DO3 set to high
1122 -|0x11|DO3 NO Action
1066 +[[image:image-20220524093351-8.png]]
1123 1123  
1124 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1125 1125  
1069 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1126 1126  
1127 -(% style="color:red" %)**Note: **
1071 + Latching time. Unit: ms
1128 1128  
1073 +Note:
1074 +
1129 1129   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1130 1130  
1131 1131   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1132 1132  
1079 +
1133 1133  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1134 1134  
1135 1135  
... ... @@ -1153,7 +1153,7 @@
1153 1153  
1154 1154  
1155 1155  
1156 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1103 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1157 1157  
1158 1158  
1159 1159  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1172,17 +1172,10 @@
1172 1172  
1173 1173  (((
1174 1174  01: Close ,  00: Open , 11: No action
1122 +)))
1175 1175  
1176 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1177 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1178 -|03  00  11|Open|No Action
1179 -|03  01  11|Close|No Action
1180 -|03  11  00|No Action|Open
1181 -|03  11  01|No Action|Close
1182 -|03  00  00|Open|Open
1183 -|03  01  01|Close|Close
1184 -|03  01  00|Close|Open
1185 -|03  00  01|Open|Close
1124 +(((
1125 +[[image:image-20220524093724-9.png]]
1186 1186  )))
1187 1187  
1188 1188  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1189,6 +1189,7 @@
1189 1189  
1190 1190  
1191 1191  
1132 +
1192 1192  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1193 1193  
1194 1194  
... ... @@ -1220,9 +1220,8 @@
1220 1220  
1221 1221  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1222 1222  
1164 +Note:
1223 1223  
1224 -(% style="color:red" %)**Note:**
1225 -
1226 1226   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1227 1227  
1228 1228   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1233,7 +1233,7 @@
1233 1233  
1234 1234  **Example payload:**
1235 1235  
1236 -**~1. 05 01 11 07 D0**
1176 +**~1. 05 01 11 07 D**
1237 1237  
1238 1238  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1239 1239  
... ... @@ -1256,8 +1256,11 @@
1256 1256  
1257 1257  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1258 1258  
1259 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1199 +* (% style="color:#037691" %)**AT Command:**
1260 1260  
1201 +(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1202 +
1203 +
1261 1261  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1262 1262  
1263 1263  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1267,8 +1267,10 @@
1267 1267  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1268 1268  
1269 1269  
1270 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1213 +* (% style="color:#037691" %)**AT Command:**
1271 1271  
1215 +(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1216 +
1272 1272  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1273 1273  
1274 1274  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1285,8 +1285,11 @@
1285 1285  
1286 1286  Clear counting for counting mode
1287 1287  
1288 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1233 +* (% style="color:#037691" %)**AT Command:**
1289 1289  
1235 +(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1236 +
1237 +
1290 1290  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1291 1291  
1292 1292  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1360,6 +1360,7 @@
1360 1360  
1361 1361  
1362 1362  
1311 +
1363 1363  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1364 1364  
1365 1365  
... ... @@ -1376,6 +1376,7 @@
1376 1376  
1377 1377  
1378 1378  
1328 +
1379 1379  ==== 3.4.2.25 Copy downlink to uplink ====
1380 1380  
1381 1381  
... ... @@ -1414,6 +1414,7 @@
1414 1414  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1415 1415  
1416 1416  
1367 +
1417 1417  == 3.5 Integrate with Mydevice ==
1418 1418  
1419 1419  
... ... @@ -1438,7 +1438,7 @@
1438 1438  
1439 1439  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1440 1440  
1441 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1392 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1442 1442  
1443 1443  Search under The things network
1444 1444  
... ... @@ -1463,8 +1463,10 @@
1463 1463  [[image:image-20220524094909-5.png||height="341" width="734"]]
1464 1464  
1465 1465  
1417 +
1466 1466  == 3.6 Interface Detail ==
1467 1467  
1420 +
1468 1468  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1469 1469  
1470 1470  
... ... @@ -1473,16 +1473,17 @@
1473 1473  [[image:1653356991268-289.png]]
1474 1474  
1475 1475  
1429 +
1476 1476  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1477 1477  
1478 1478  
1479 1479  (((
1480 -The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1434 +The DI port of LT-22222-L can support NPN or PNP output sensor.
1481 1481  )))
1482 1482  
1483 1483  (((
1484 1484  (((
1485 -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.
1439 +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.
1486 1486  
1487 1487  
1488 1488  )))
... ... @@ -1529,6 +1529,8 @@
1529 1529  
1530 1530  (((
1531 1531  
1486 +
1487 +
1532 1532  )))
1533 1533  
1534 1534  (((
... ... @@ -1560,6 +1560,8 @@
1560 1560  
1561 1561  (((
1562 1562  
1519 +
1520 +
1563 1563  )))
1564 1564  
1565 1565  (((
... ... @@ -1590,26 +1590,18 @@
1590 1590  )))
1591 1591  
1592 1592  
1593 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1594 1594  
1595 -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.
1596 -
1597 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1598 -
1599 -[[image:image-20230616235145-1.png]]
1600 -
1601 -
1602 -
1603 1603  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1604 1604  
1605 1605  
1606 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1555 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1607 1607  
1608 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1557 +Note: DO pins go to float when device is power off.
1609 1609  
1610 1610  [[image:1653357531600-905.png]]
1611 1611  
1612 1612  
1562 +
1613 1613  === 3.6.4 Analog Input Interface ===
1614 1614  
1615 1615  
... ... @@ -1627,12 +1627,13 @@
1627 1627  
1628 1628  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1629 1629  
1630 -(% style="color:red" %)**Red:  12~~24v**
1580 +**Red:  12~~24v**
1631 1631  
1632 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1582 +**Yellow:  4~~20mA**
1633 1633  
1634 1634  **Black:  GND**
1635 1635  
1586 +
1636 1636  **Connection diagram:**
1637 1637  
1638 1638  [[image:1653357640609-758.png]]
... ... @@ -1640,22 +1640,7 @@
1640 1640  [[image:1653357648330-671.png||height="155" width="733"]]
1641 1641  
1642 1642  
1643 -Example connected to a regulated power supply to measure voltage
1644 1644  
1645 -[[image:image-20230608101532-1.png||height="606" width="447"]]
1646 -
1647 -[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1648 -
1649 -[[image:image-20230608101722-3.png||height="102" width="1139"]]
1650 -
1651 -
1652 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1653 -
1654 -(% style="color:red" %)**Red:  12~~24v**
1655 -
1656 -**Black:  GND**
1657 -
1658 -
1659 1659  === 3.6.5 Relay Output ===
1660 1660  
1661 1661  
... ... @@ -1671,46 +1671,17 @@
1671 1671  [[image:image-20220524100215-10.png||height="382" width="723"]]
1672 1672  
1673 1673  
1610 +
1674 1674  == 3.7 LEDs Indicators ==
1675 1675  
1676 1676  
1677 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1678 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1679 -|**PWR**|Always on if there is power
1680 -|**SYS**|(((
1681 -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.
1682 -)))
1683 -|**TX**|(((
1684 -(((
1685 -Device boot: TX blinks 5 times.
1686 -)))
1614 +[[image:image-20220524100748-11.png]]
1687 1687  
1688 -(((
1689 -Successful join network: TX ON for 5 seconds.
1690 -)))
1691 1691  
1692 -(((
1693 -Transmit a LoRa packet: TX blinks once
1694 -)))
1695 -)))
1696 -|**RX**|RX blinks once when receive a packet.
1697 -|**DO1**|
1698 -|**DO2**|
1699 -|**DO3**|
1700 -|**DI2**|(((
1701 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1702 -)))
1703 -|**DI2**|(((
1704 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1705 -)))
1706 -|**DI2**|(((
1707 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1708 -)))
1709 -|**RO1**|
1710 -|**RO2**|
1711 1711  
1712 1712  = 4. Use AT Command =
1713 1713  
1620 +
1714 1714  == 4.1 Access AT Command ==
1715 1715  
1716 1716  
... ... @@ -1921,8 +1921,10 @@
1921 1921  )))
1922 1922  
1923 1923  
1831 +
1924 1924  == 4.2 Common AT Command Sequence ==
1925 1925  
1834 +
1926 1926  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1927 1927  
1928 1928  (((
... ... @@ -1967,6 +1967,7 @@
1967 1967  )))
1968 1968  
1969 1969  
1879 +
1970 1970  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1971 1971  
1972 1972  (((
... ... @@ -2039,7 +2039,7 @@
2039 2039  **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?
2040 2040  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2041 2041  
2042 -**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.**
1952 +**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**
2043 2043  
2044 2044  
2045 2045  )))
... ... @@ -2052,6 +2052,7 @@
2052 2052  
2053 2053  )))
2054 2054  
1965 +
2055 2055  === 4.2.3 Change to Class A ===
2056 2056  
2057 2057  
... ... @@ -2063,19 +2063,13 @@
2063 2063  )))
2064 2064  
2065 2065  
2066 -= 5. Case Study =
2067 2067  
2068 -== 5.1 Counting how many objects pass in Flow Line ==
1978 += 5. FAQ =
2069 2069  
2070 2070  
2071 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1981 +== 5.1 How to upgrade the image? ==
2072 2072  
2073 2073  
2074 -= 6. FAQ =
2075 -
2076 -== 6.1 How to upgrade the image? ==
2077 -
2078 -
2079 2079  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2080 2080  
2081 2081  * Support new features
... ... @@ -2089,7 +2089,7 @@
2089 2089  
2090 2090  (((
2091 2091  (% 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]].
2092 -(% 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]].
1997 +(% 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]].
2093 2093  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2094 2094  
2095 2095  
... ... @@ -2103,10 +2103,8 @@
2103 2103  
2104 2104   [[image:image-20220524103407-12.png]]
2105 2105  
2106 -
2107 2107  [[image:image-20220524103429-13.png]]
2108 2108  
2109 -
2110 2110  [[image:image-20220524104033-15.png]]
2111 2111  
2112 2112  
... ... @@ -2118,8 +2118,10 @@
2118 2118  
2119 2119  (((
2120 2120  (((
2121 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2024 +
2122 2122  
2026 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2027 +
2123 2123  
2124 2124  )))
2125 2125  )))
... ... @@ -2131,8 +2131,9 @@
2131 2131  (((
2132 2132  
2133 2133  
2134 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2135 2135  
2040 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2041 +
2136 2136  
2137 2137  )))
2138 2138  
... ... @@ -2194,29 +2194,26 @@
2194 2194  [[image:1653360498588-932.png||height="485" width="726"]]
2195 2195  
2196 2196  
2197 -== 6.4 How to change the uplink interval？ ==
2198 2198  
2104 +== 5.4 Can I see counting event in Serial? ==
2199 2199  
2200 -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/]]
2201 2201  
2202 -
2203 -== 6.5 Can I see counting event in Serial? ==
2204 -
2205 -
2206 2206  (((
2207 2207  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.
2208 2208  
2209 2209  
2210 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2211 2211  
2112 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2212 2212  
2114 +
2213 2213  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]].
2214 2214  
2117 +
2215 2215  
2216 2216  )))
2217 2217  
2218 2218  (((
2219 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2122 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2220 2220  
2221 2221  
2222 2222  If the device is not shut down, but directly powered off.
... ... @@ -2228,9 +2228,10 @@
2228 2228  After restart, the status before power failure will be read from flash.
2229 2229  
2230 2230  
2231 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2232 2232  
2135 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2233 2233  
2137 +
2234 2234  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2235 2235  
2236 2236  
... ... @@ -2237,18 +2237,21 @@
2237 2237  [[image:image-20221006170630-1.png||height="610" width="945"]]
2238 2238  
2239 2239  
2240 -== 6.9 Can LT22222-L save RO state? ==
2144 +== 5.8 Can LT22222-L save RO state? ==
2241 2241  
2242 2242  
2243 2243  Firmware version needs to be no less than 1.6.0.
2244 2244  
2245 2245  
2246 -= 7. Trouble Shooting =
2150 +
2151 += 6. Trouble Shooting =
2152 +
2153 +
2247 2247  )))
2248 2248  
2249 2249  (((
2250 2250  (((
2251 -== 7.1 Downlink doesn't work, how to solve it? ==
2158 +== 6.1 Downlink doesn't work, how to solve it? ==
2252 2252  
2253 2253  
2254 2254  )))
... ... @@ -2261,8 +2261,9 @@
2261 2261  (((
2262 2262  
2263 2263  
2264 -== 7.2 Have trouble to upload image. ==
2265 2265  
2172 +== 6.2 Have trouble to upload image. ==
2173 +
2266 2266  
2267 2267  )))
2268 2268  
... ... @@ -2273,8 +2273,9 @@
2273 2273  (((
2274 2274  
2275 2275  
2276 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2277 2277  
2185 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2186 +
2278 2278  
2279 2279  )))
2280 2280  
... ... @@ -2283,9 +2283,10 @@
2283 2283  )))
2284 2284  
2285 2285  
2286 -= 8. Order Info =
2287 2287  
2196 += 7. Order Info =
2288 2288  
2198 +
2289 2289  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2290 2290  
2291 2291  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2300,7 +2300,7 @@
2300 2300  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2301 2301  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2302 2302  
2303 -= 9. Packing Info =
2213 += 8. Packing Info =
2304 2304  
2305 2305  
2306 2306  **Package Includes**:
... ... @@ -2317,7 +2317,7 @@
2317 2317  * Package Size / pcs : 14.5 x 8 x 5 cm
2318 2318  * Weight / pcs : 170g
2319 2319  
2320 -= 10. Support =
2230 += 9. Support =
2321 2321  
2322 2322  
2323 2323  * (((
... ... @@ -2324,17 +2324,15 @@
2324 2324  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.
2325 2325  )))
2326 2326  * (((
2327 -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]]
2237 +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]]
2328 2328  
2329 2329  
2330 2330  
2331 2331  )))
2332 2332  
2333 -= 11. Reference​​​​​ =
2243 += 10. Reference​​​​​ =
2334 2334  
2335 2335  
2336 2336  * 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]]
2337 2337  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2338 2338  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2339 -
2340 -
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