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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 126.16
edited by Xiaoling
on 2023/06/19 16:16
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 ==
... ... @@ -193,27 +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 -
208 208  == 1.5 Hardware Variants ==
209 209  
210 210  
211 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
212 -|(% 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**
213 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
214 -(% style="text-align:center" %)
215 -[[image:image-20230424115112-1.png||height="106" width="58"]]
216 -)))|(% 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" %)(((
217 217  * 2 x Digital Input (Bi-direction)
218 218  * 2 x Digital Output
219 219  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -238,8 +238,10 @@
238 238  [[image:1653297104069-180.png]]
239 239  
240 240  
229 +
241 241  = 3. Operation Mode =
242 242  
232 +
243 243  == 3.1 How it works? ==
244 244  
245 245  
... ... @@ -252,6 +252,7 @@
252 252  )))
253 253  
254 254  
245 +
255 255  == 3.2 Example to join LoRaWAN network ==
256 256  
257 257  
... ... @@ -278,7 +278,7 @@
278 278  Each LT is shipped with a sticker with the default device EUI as below:
279 279  )))
280 280  
281 -[[image:image-20230425173427-2.png||height="246" width="530"]]
272 +[[image:1653297924498-393.png]]
282 282  
283 283  
284 284  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -303,6 +303,7 @@
303 303  [[image:1653298044601-602.png||height="405" width="709"]]
304 304  
305 305  
297 +
306 306  == 3.3 Uplink Payload ==
307 307  
308 308  
... ... @@ -309,15 +309,10 @@
309 309  There are five working modes + one interrupt mode on LT for different type application:
310 310  
311 311  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
312 -
313 313  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
314 -
315 315  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
316 -
317 317  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
318 -
319 319  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
320 -
321 321  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
322 322  
323 323  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
... ... @@ -324,31 +324,19 @@
324 324  
325 325  
326 326  (((
327 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
328 -
329 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
330 -|(% 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**
331 -|Value|(((
332 -AVI1 voltage
333 -)))|(((
334 -AVI2 voltage
335 -)))|(((
336 -ACI1 Current
337 -)))|(((
338 -ACI2 Current
339 -)))|DIDORO*|(((
340 -Reserve
341 -)))|MOD
314 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
342 342  )))
343 343  
317 +[[image:image-20220523174024-3.png]]
318 +
344 344  (((
345 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
320 +
346 346  
347 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
348 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
349 -|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
350 350  )))
351 351  
325 +[[image:image-20220523174254-4.png]]
326 +
352 352  * RO is for relay. ROx=1 : close，ROx=0 always open.
353 353  * DI is for digital input. DIx=1: high or float, DIx=0: low.
354 354  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -388,7 +388,6 @@
388 388  ** DO1 is high in case there is load between DO1 and V+.
389 389  ** DO1 LED is off in both case
390 390  
391 -
392 392  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
393 393  
394 394  
... ... @@ -398,24 +398,18 @@
398 398  
399 399  (((
400 400  Total : 11 bytes payload
401 -
402 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
403 -|(% 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**
404 -|Value|COUNT1|COUNT2 |DIDORO*|(((
405 -Reserve
406 -)))|MOD
407 407  )))
408 408  
409 -(((
410 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
377 +[[image:image-20220523180452-3.png]]
411 411  
412 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
413 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
414 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
415 415  
416 -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
417 417  )))
418 418  
384 +[[image:image-20220523180506-4.png]]
385 +
386 +* RO is for relay. ROx=1 : close，ROx=0 always open.
419 419  * FIRST: Indicate this is the first packet after join network.
420 420  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
421 421  
... ... @@ -424,28 +424,36 @@
424 424  )))
425 425  
426 426  (((
395 +
396 +
427 427  **To use counting mode, please run:**
428 428  )))
429 429  
430 -
431 -(((
432 432  (% class="box infomessage" %)
433 433  (((
402 +(((
403 +(((
434 434  **AT+MOD=2**
405 +)))
435 435  
407 +(((
436 436  **ATZ**
437 437  )))
438 438  )))
411 +)))
439 439  
440 440  (((
441 441  
442 442  
443 443  (% style="color:#4f81bd" %)**AT Commands for counting:**
417 +
418 +
444 444  )))
445 445  
446 446  (((
447 447  **For LT22222-L:**
448 448  
424 +
449 449  (% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
450 450  
451 451  (% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
... ... @@ -460,27 +460,22 @@
460 460  )))
461 461  
462 462  
439 +
463 463  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
464 464  
465 465  
466 466  **LT22222-L**: This mode the DI1 is used as a counting pin.
467 467  
468 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
469 -|(% 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**
470 -|Value|COUNT1|(((
471 -ACI1 Current
472 -)))|(((
473 -ACI2 Current
474 -)))|DIDORO*|Reserve|MOD
445 +[[image:image-20220523181246-5.png]]
475 475  
476 476  (((
477 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
448 +
478 478  
479 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
480 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
481 -|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
482 482  )))
483 483  
453 +[[image:image-20220523181301-6.png]]
454 +
484 484  * RO is for relay. ROx=1 : close，ROx=0 always open.
485 485  * FIRST: Indicate this is the first packet after join network.
486 486  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -494,14 +494,18 @@
494 494  **To use counting mode, please run:**
495 495  )))
496 496  
497 -(((
498 498  (% class="box infomessage" %)
499 499  (((
470 +(((
471 +(((
500 500  **AT+MOD=3**
473 +)))
501 501  
475 +(((
502 502  **ATZ**
503 503  )))
504 504  )))
479 +)))
505 505  
506 506  (((
507 507  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -508,6 +508,7 @@
508 508  )))
509 509  
510 510  
486 +
511 511  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
512 512  
513 513  
... ... @@ -517,22 +517,17 @@
517 517  
518 518  (((
519 519  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.
520 -
521 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
522 -|(% 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**
523 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
524 -Reserve
525 -)))|MOD
526 526  )))
527 527  
498 +[[image:image-20220523181903-8.png]]
499 +
500 +
528 528  (((
529 529  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
530 -
531 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
532 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
533 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
534 534  )))
535 535  
505 +[[image:image-20220523181727-7.png]]
506 +
536 536  * RO is for relay. ROx=1 : close，ROx=0 always open.
537 537  * FIRST: Indicate this is the first packet after join network.
538 538  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -539,30 +539,38 @@
539 539  
540 540  (((
541 541  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
542 -
543 -
544 544  )))
545 545  
546 546  (((
516 +
517 +
547 547  **To use this mode, please run:**
548 548  )))
549 549  
550 -(((
551 551  (% class="box infomessage" %)
552 552  (((
523 +(((
524 +(((
553 553  **AT+MOD=4**
526 +)))
554 554  
528 +(((
555 555  **ATZ**
556 556  )))
557 557  )))
532 +)))
558 558  
534 +
559 559  (((
560 560  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
561 561  )))
562 562  
563 563  (((
540 +
541 +
564 564  **Plus below command for AVI1 Counting:**
565 565  
544 +
566 566  (% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
567 567  
568 568  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
... ... @@ -573,29 +573,18 @@
573 573  )))
574 574  
575 575  
555 +
576 576  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
577 577  
578 578  
579 579  **LT22222-L**: This mode the DI1 is used as a counting pin.
580 580  
581 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
582 -|(% 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**
583 -|Value|(((
584 -AVI1 voltage
585 -)))|(((
586 -AVI2 voltage
587 -)))|(((
588 -ACI1 Current
589 -)))|COUNT1|DIDORO*|(((
590 -Reserve
591 -)))|MOD
561 +[[image:image-20220523182334-9.png]]
592 592  
593 593  (((
594 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
564 +
595 595  
596 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
597 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
598 -|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
599 599  )))
600 600  
601 601  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -609,17 +609,23 @@
609 609  )))
610 610  
611 611  (((
580 +
581 +
612 612  **To use this mode, please run:**
613 613  )))
614 614  
615 -(((
616 616  (% class="box infomessage" %)
617 617  (((
587 +(((
588 +(((
618 618  **AT+MOD=5**
590 +)))
619 619  
592 +(((
620 620  **ATZ**
621 621  )))
622 622  )))
596 +)))
623 623  
624 624  (((
625 625  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -626,6 +626,7 @@
626 626  )))
627 627  
628 628  
603 +
629 629  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
630 630  
631 631  
... ... @@ -641,7 +641,6 @@
641 641  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
642 642  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
643 643  
644 -
645 645  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
646 646  
647 647  
... ... @@ -681,6 +681,7 @@
681 681  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
682 682  
683 683  
658 +
684 684  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
685 685  
686 686  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -715,39 +715,12 @@
715 715  
716 716  MOD6 Payload : total 11 bytes payload
717 717  
718 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
719 -|(% 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**
720 -|Value|(((
721 -TRI_A FLAG
722 -)))|(((
723 -TRI_A Status
724 -)))|(((
725 -TRI_DI FLAG+STA
726 -)))|Reserve|Enable/Disable MOD6|(((
727 -MOD(6)
728 -)))
693 +[[image:image-20220524085923-1.png]]
729 729  
695 +
730 730  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
731 731  
732 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
733 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
734 -|(((
735 -AV1_LOW
736 -)))|(((
737 -AV1_HIGH
738 -)))|(((
739 -AV2_LOW
740 -)))|(((
741 -AV2_HIGH
742 -)))|(((
743 -AC1_LOW
744 -)))|(((
745 -AC1_HIGH
746 -)))|(((
747 -AC2_LOW
748 -)))|(((
749 -AC2_HIGH
750 -)))
698 +[[image:image-20220524090106-2.png]]
751 751  
752 752  * Each bits shows if the corresponding trigger has been configured.
753 753  
... ... @@ -756,27 +756,10 @@
756 756  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
757 757  
758 758  
707 +
759 759  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
760 760  
761 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
762 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
763 -|(((
764 -AV1_LOW
765 -)))|(((
766 -AV1_HIGH
767 -)))|(((
768 -AV2_LOW
769 -)))|(((
770 -AV2_HIGH
771 -)))|(((
772 -AC1_LOW
773 -)))|(((
774 -AC1_HIGH
775 -)))|(((
776 -AC2_LOW
777 -)))|(((
778 -AC2_HIGH
779 -)))
710 +[[image:image-20220524090249-3.png]]
780 780  
781 781  * Each bits shows which status has been trigger on this uplink.
782 782  
... ... @@ -785,11 +785,10 @@
785 785  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
786 786  
787 787  
719 +
788 788  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
789 789  
790 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
791 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
792 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
722 +[[image:image-20220524090456-4.png]]
793 793  
794 794  * Each bits shows which status has been trigger on this uplink.
795 795  
... ... @@ -800,6 +800,7 @@
800 800  00000101: Means both DI1 and DI2 trigger are enabled.
801 801  
802 802  
733 +
803 803  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
804 804  
805 805  Downlink command to poll MOD6 status:
... ... @@ -809,6 +809,7 @@
809 809  When device got this command, it will send the MOD6 payload.
810 810  
811 811  
743 +
812 812  === 3.3.7 Payload Decoder ===
813 813  
814 814  (((
... ... @@ -818,6 +818,7 @@
818 818  )))
819 819  
820 820  
753 +
821 821  == 3.4 ​Configure LT via AT or Downlink ==
822 822  
823 823  
... ... @@ -843,8 +843,10 @@
843 843  )))
844 844  
845 845  
779 +
846 846  === 3.4.2 Sensor related commands ===
847 847  
782 +
848 848  ==== 3.4.2.1 Set Transmit Interval ====
849 849  
850 850  
... ... @@ -869,10 +869,14 @@
869 869  
870 870  Set work mode.
871 871  
872 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
807 +* (% style="color:#037691" %)**AT Command:**
873 873  
809 +(% style="color:blue" %)**AT+MOD=N  **
810 +
811 +
874 874  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
875 875  
814 +
876 876  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
877 877  
878 878  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
... ... @@ -882,12 +882,16 @@
882 882  ==== 3.4.2.3 Poll an uplink ====
883 883  
884 884  
885 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
824 +* (% style="color:#037691" %)**AT Command:**
886 886  
826 +There is no AT Command to poll uplink
827 +
828 +
887 887  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
888 888  
889 889  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
890 890  
833 +
891 891  **Example**: 0x08FF, ask device to send an Uplink
892 892  
893 893  
... ... @@ -897,8 +897,10 @@
897 897  
898 898  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
899 899  
900 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
843 +* (% style="color:#037691" %)**AT Command:**
901 901  
845 +(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
846 +
902 902  (% style="color:red" %)**1:** (%%)Enable Trigger Mode
903 903  
904 904  (% style="color:red" %)**0: **(%%)Disable Trigger Mode
... ... @@ -910,15 +910,17 @@
910 910  
911 911  
912 912  
858 +
913 913  ==== 3.4.2.5 Poll trigger settings ====
914 914  
915 915  
916 -Poll trigger settings
862 +Poll trigger settings,
917 917  
918 918  * (% style="color:#037691" %)**AT Command:**
919 919  
920 920  There is no AT Command for this feature.
921 921  
868 +
922 922  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
923 923  
924 924  (% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
... ... @@ -930,11 +930,15 @@
930 930  
931 931  Enable Disable DI1/DI2/DI2 as trigger,
932 932  
933 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
880 +* (% style="color:#037691" %)**AT Command:**
934 934  
935 -**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
882 +(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
936 936  
937 937  
885 +**Example:**
886 +
887 +AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
888 +
938 938  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
939 939  
940 940  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -946,15 +946,20 @@
946 946  
947 947  Set DI1 or DI3(for LT-33222-L) trigger.
948 948  
949 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
900 +* (% style="color:#037691" %)**AT Command:**
950 950  
902 +(% style="color:blue" %)**AT+TRIG1=a,b**
903 +
951 951  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
952 952  
953 953  (% style="color:red" %)**b :** (%%)delay timing.
954 954  
955 -**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
956 956  
909 +**Example:**
957 957  
911 +AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
912 +
913 +
958 958  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
959 959  
960 960  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
... ... @@ -966,18 +966,23 @@
966 966  
967 967  Set DI2 trigger.
968 968  
969 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
925 +* (% style="color:#037691" %)**AT Command:**
970 970  
927 +(% style="color:blue" %)**AT+TRIG2=a,b**
928 +
971 971  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
972 972  
973 973  (% style="color:red" %)**b :** (%%)delay timing.
974 974  
975 -**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
976 976  
934 +**Example:**
977 977  
936 +AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
937 +
938 +
978 978  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
979 979  
980 -(% 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)
981 981  
982 982  
983 983  
... ... @@ -986,8 +986,11 @@
986 986  
987 987  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
988 988  
989 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
950 +* (% style="color:#037691" %)**AT Command**
990 990  
952 +(% style="color:blue" %)**AT+ACLIM**
953 +
954 +
991 991  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
992 992  
993 993  (% 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"]]
... ... @@ -999,8 +999,11 @@
999 999  
1000 1000  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1001 1001  
1002 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
966 +* (% style="color:#037691" %)**AT Command**
1003 1003  
968 +(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
969 +
970 +
1004 1004  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1005 1005  
1006 1006  (% 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"]]
... ... @@ -1012,13 +1012,18 @@
1012 1012  
1013 1013  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1014 1014  
1015 -* (% 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**
1016 1016  
984 +(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
985 +
986 +
1017 1017  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1018 1018  
1019 1019  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1020 1020  
1021 1021  (((
992 +
993 +
1022 1022  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
1023 1023  )))
1024 1024  
... ... @@ -1033,9 +1033,8 @@
1033 1033  
1034 1034  
1035 1035  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1008 +* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1036 1036  
1037 -(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1038 -
1039 1039  (((
1040 1040  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1041 1041  )))
... ... @@ -1042,14 +1042,10 @@
1042 1042  
1043 1043  (((
1044 1044  01: Low,  00: High ,  11: No action
1045 -
1046 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1047 -|(% 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**
1048 -|02  01  00  11|Low|High|No Action
1049 -|02  00  11  01|High|No Action|Low
1050 -|02  11  01  00|No Action|Low|High
1051 1051  )))
1052 1052  
1018 +[[image:image-20220524092754-5.png]]
1019 +
1053 1053  (((
1054 1054  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1055 1055  )))
... ... @@ -1086,37 +1086,30 @@
1086 1086  
1087 1087  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1088 1088  
1089 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1090 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1091 -|0x01|DO1 set to low
1092 -|0x00|DO1 set to high
1093 -|0x11|DO1 NO Action
1056 +[[image:image-20220524093238-6.png]]
1094 1094  
1058 +
1095 1095  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1096 1096  
1097 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1098 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1099 -|0x01|DO2 set to low
1100 -|0x00|DO2 set to high
1101 -|0x11|DO2 NO Action
1061 +[[image:image-20220524093328-7.png]]
1102 1102  
1063 +
1103 1103  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1104 1104  
1105 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1106 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1107 -|0x01|DO3 set to low
1108 -|0x00|DO3 set to high
1109 -|0x11|DO3 NO Action
1066 +[[image:image-20220524093351-8.png]]
1110 1110  
1111 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1112 1112  
1069 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1113 1113  
1114 -(% style="color:red" %)**Note: **
1071 + Latching time. Unit: ms
1115 1115  
1073 +Note:
1074 +
1116 1116   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1117 1117  
1118 1118   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1119 1119  
1079 +
1120 1120  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1121 1121  
1122 1122  
... ... @@ -1140,7 +1140,7 @@
1140 1140  
1141 1141  
1142 1142  
1143 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1103 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1144 1144  
1145 1145  
1146 1146  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1159,17 +1159,10 @@
1159 1159  
1160 1160  (((
1161 1161  01: Close ,  00: Open , 11: No action
1122 +)))
1162 1162  
1163 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1164 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1165 -|03  00  11|Open|No Action
1166 -|03  01  11|Close|No Action
1167 -|03  11  00|No Action|Open
1168 -|03  11  01|No Action|Close
1169 -|03  00  00|Open|Open
1170 -|03  01  01|Close|Close
1171 -|03  01  00|Close|Open
1172 -|03  00  01|Open|Close
1124 +(((
1125 +[[image:image-20220524093724-9.png]]
1173 1173  )))
1174 1174  
1175 1175  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1176,6 +1176,7 @@
1176 1176  
1177 1177  
1178 1178  
1132 +
1179 1179  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1180 1180  
1181 1181  
... ... @@ -1207,9 +1207,8 @@
1207 1207  
1208 1208  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1209 1209  
1164 +Note:
1210 1210  
1211 -(% style="color:red" %)**Note:**
1212 -
1213 1213   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1214 1214  
1215 1215   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1220,7 +1220,7 @@
1220 1220  
1221 1221  **Example payload:**
1222 1222  
1223 -**~1. 05 01 11 07 D0**
1176 +**~1. 05 01 11 07 D**
1224 1224  
1225 1225  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1226 1226  
... ... @@ -1243,8 +1243,11 @@
1243 1243  
1244 1244  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1245 1245  
1246 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1199 +* (% style="color:#037691" %)**AT Command:**
1247 1247  
1201 +(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1202 +
1203 +
1248 1248  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1249 1249  
1250 1250  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1254,8 +1254,10 @@
1254 1254  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1255 1255  
1256 1256  
1257 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1213 +* (% style="color:#037691" %)**AT Command:**
1258 1258  
1215 +(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1216 +
1259 1259  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1260 1260  
1261 1261  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1272,8 +1272,11 @@
1272 1272  
1273 1273  Clear counting for counting mode
1274 1274  
1275 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1233 +* (% style="color:#037691" %)**AT Command:**
1276 1276  
1235 +(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1236 +
1237 +
1277 1277  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1278 1278  
1279 1279  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1347,6 +1347,7 @@
1347 1347  
1348 1348  
1349 1349  
1311 +
1350 1350  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1351 1351  
1352 1352  
... ... @@ -1363,6 +1363,7 @@
1363 1363  
1364 1364  
1365 1365  
1328 +
1366 1366  ==== 3.4.2.25 Copy downlink to uplink ====
1367 1367  
1368 1368  
... ... @@ -1401,6 +1401,7 @@
1401 1401  [[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"]]
1402 1402  
1403 1403  
1367 +
1404 1404  == 3.5 Integrate with Mydevice ==
1405 1405  
1406 1406  
... ... @@ -1425,7 +1425,7 @@
1425 1425  
1426 1426  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1427 1427  
1428 -(% 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" %)
1429 1429  
1430 1430  Search under The things network
1431 1431  
... ... @@ -1450,8 +1450,10 @@
1450 1450  [[image:image-20220524094909-5.png||height="341" width="734"]]
1451 1451  
1452 1452  
1417 +
1453 1453  == 3.6 Interface Detail ==
1454 1454  
1420 +
1455 1455  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1456 1456  
1457 1457  
... ... @@ -1460,16 +1460,17 @@
1460 1460  [[image:1653356991268-289.png]]
1461 1461  
1462 1462  
1429 +
1463 1463  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1464 1464  
1465 1465  
1466 1466  (((
1467 -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.
1468 1468  )))
1469 1469  
1470 1470  (((
1471 1471  (((
1472 -Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
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.
1473 1473  
1474 1474  
1475 1475  )))
... ... @@ -1516,6 +1516,8 @@
1516 1516  
1517 1517  (((
1518 1518  
1486 +
1487 +
1519 1519  )))
1520 1520  
1521 1521  (((
... ... @@ -1547,6 +1547,8 @@
1547 1547  
1548 1548  (((
1549 1549  
1519 +
1520 +
1550 1550  )))
1551 1551  
1552 1552  (((
... ... @@ -1577,26 +1577,18 @@
1577 1577  )))
1578 1578  
1579 1579  
1580 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1581 1581  
1582 -From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
1583 -
1584 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1585 -
1586 -[[image:image-20230616235145-1.png]]
1587 -
1588 -
1589 -
1590 1590  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1591 1591  
1592 1592  
1593 -(% 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.
1594 1594  
1595 -(% 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.
1596 1596  
1597 1597  [[image:1653357531600-905.png]]
1598 1598  
1599 1599  
1562 +
1600 1600  === 3.6.4 Analog Input Interface ===
1601 1601  
1602 1602  
... ... @@ -1614,12 +1614,13 @@
1614 1614  
1615 1615  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1616 1616  
1617 -(% style="color:red" %)**Red:  12~~24v**
1580 +**Red:  12~~24v**
1618 1618  
1619 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1582 +**Yellow:  4~~20mA**
1620 1620  
1621 1621  **Black:  GND**
1622 1622  
1586 +
1623 1623  **Connection diagram:**
1624 1624  
1625 1625  [[image:1653357640609-758.png]]
... ... @@ -1627,22 +1627,7 @@
1627 1627  [[image:1653357648330-671.png||height="155" width="733"]]
1628 1628  
1629 1629  
1630 -Example connected to a regulated power supply to measure voltage
1631 1631  
1632 -[[image:image-20230608101532-1.png||height="606" width="447"]]
1633 -
1634 -[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1635 -
1636 -[[image:image-20230608101722-3.png||height="102" width="1139"]]
1637 -
1638 -
1639 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1640 -
1641 -(% style="color:red" %)**Red:  12~~24v**
1642 -
1643 -**Black:  GND**
1644 -
1645 -
1646 1646  === 3.6.5 Relay Output ===
1647 1647  
1648 1648  
... ... @@ -1658,46 +1658,17 @@
1658 1658  [[image:image-20220524100215-10.png||height="382" width="723"]]
1659 1659  
1660 1660  
1610 +
1661 1661  == 3.7 LEDs Indicators ==
1662 1662  
1663 1663  
1664 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1665 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1666 -|**PWR**|Always on if there is power
1667 -|**SYS**|(((
1668 -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.
1669 -)))
1670 -|**TX**|(((
1671 -(((
1672 -Device boot: TX blinks 5 times.
1673 -)))
1614 +[[image:image-20220524100748-11.png]]
1674 1674  
1675 -(((
1676 -Successful join network: TX ON for 5 seconds.
1677 -)))
1678 1678  
1679 -(((
1680 -Transmit a LoRa packet: TX blinks once
1681 -)))
1682 -)))
1683 -|**RX**|RX blinks once when receive a packet.
1684 -|**DO1**|
1685 -|**DO2**|
1686 -|**DO3**|
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 -|**DI2**|(((
1694 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1695 -)))
1696 -|**RO1**|
1697 -|**RO2**|
1698 1698  
1699 1699  = 4. Use AT Command =
1700 1700  
1620 +
1701 1701  == 4.1 Access AT Command ==
1702 1702  
1703 1703  
... ... @@ -1908,8 +1908,10 @@
1908 1908  )))
1909 1909  
1910 1910  
1831 +
1911 1911  == 4.2 Common AT Command Sequence ==
1912 1912  
1834 +
1913 1913  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1914 1914  
1915 1915  (((
... ... @@ -1954,6 +1954,7 @@
1954 1954  )))
1955 1955  
1956 1956  
1879 +
1957 1957  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1958 1958  
1959 1959  (((
... ... @@ -2026,7 +2026,7 @@
2026 2026  **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?
2027 2027  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2028 2028  
2029 -**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**
2030 2030  
2031 2031  
2032 2032  )))
... ... @@ -2039,33 +2039,25 @@
2039 2039  
2040 2040  )))
2041 2041  
1965 +
2042 2042  === 4.2.3 Change to Class A ===
2043 2043  
2044 2044  
2045 2045  (((
2046 2046  (% style="color:blue" %)**If sensor JOINED:**
2047 -(((
2048 -(% class="box infomessage" %)
2049 -**AT+CLASS=A**
2050 2050  
2051 -**ATZ**
1972 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1973 +ATZ**
2052 2052  )))
2053 -)))
2054 2054  
2055 2055  
2056 -= 5. Case Study =
2057 2057  
2058 -== 5.1 Counting how many objects pass in Flow Line ==
1978 += 5. FAQ =
2059 2059  
2060 2060  
2061 -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? ==
2062 2062  
2063 2063  
2064 -= 6. FAQ =
2065 -
2066 -== 6.1 How to upgrade the image? ==
2067 -
2068 -
2069 2069  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2070 2070  
2071 2071  * Support new features
... ... @@ -2079,7 +2079,7 @@
2079 2079  
2080 2080  (((
2081 2081  (% 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]].
2082 -(% 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]].
2083 2083  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2084 2084  
2085 2085  
... ... @@ -2093,10 +2093,8 @@
2093 2093  
2094 2094   [[image:image-20220524103407-12.png]]
2095 2095  
2096 -
2097 2097  [[image:image-20220524103429-13.png]]
2098 2098  
2099 -
2100 2100  [[image:image-20220524104033-15.png]]
2101 2101  
2102 2102  
... ... @@ -2108,8 +2108,10 @@
2108 2108  
2109 2109  (((
2110 2110  (((
2111 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2024 +
2112 2112  
2026 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2027 +
2113 2113  
2114 2114  )))
2115 2115  )))
... ... @@ -2121,8 +2121,9 @@
2121 2121  (((
2122 2122  
2123 2123  
2124 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2125 2125  
2040 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2041 +
2126 2126  
2127 2127  )))
2128 2128  
... ... @@ -2184,29 +2184,26 @@
2184 2184  [[image:1653360498588-932.png||height="485" width="726"]]
2185 2185  
2186 2186  
2187 -== 6.4 How to change the uplink interval？ ==
2188 2188  
2104 +== 5.4 Can I see counting event in Serial? ==
2189 2189  
2190 -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/]]
2191 2191  
2192 -
2193 -== 6.5 Can I see counting event in Serial? ==
2194 -
2195 -
2196 2196  (((
2197 2197  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.
2198 2198  
2199 2199  
2200 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2201 2201  
2112 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2202 2202  
2114 +
2203 2203  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 2204  
2117 +
2205 2205  
2206 2206  )))
2207 2207  
2208 2208  (((
2209 -== 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? ==
2210 2210  
2211 2211  
2212 2212  If the device is not shut down, but directly powered off.
... ... @@ -2218,9 +2218,10 @@
2218 2218  After restart, the status before power failure will be read from flash.
2219 2219  
2220 2220  
2221 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2222 2222  
2135 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2223 2223  
2137 +
2224 2224  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 2225  
2226 2226  
... ... @@ -2227,18 +2227,21 @@
2227 2227  [[image:image-20221006170630-1.png||height="610" width="945"]]
2228 2228  
2229 2229  
2230 -== 6.9 Can LT22222-L save RO state? ==
2144 +== 5.8 Can LT22222-L save RO state? ==
2231 2231  
2232 2232  
2233 2233  Firmware version needs to be no less than 1.6.0.
2234 2234  
2235 2235  
2236 -= 7. Trouble Shooting =
2150 +
2151 += 6. Trouble Shooting =
2152 +
2153 +
2237 2237  )))
2238 2238  
2239 2239  (((
2240 2240  (((
2241 -== 7.1 Downlink doesn't work, how to solve it? ==
2158 +== 6.1 Downlink doesn't work, how to solve it? ==
2242 2242  
2243 2243  
2244 2244  )))
... ... @@ -2251,8 +2251,9 @@
2251 2251  (((
2252 2252  
2253 2253  
2254 -== 7.2 Have trouble to upload image. ==
2255 2255  
2172 +== 6.2 Have trouble to upload image. ==
2173 +
2256 2256  
2257 2257  )))
2258 2258  
... ... @@ -2263,8 +2263,9 @@
2263 2263  (((
2264 2264  
2265 2265  
2266 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2267 2267  
2185 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2186 +
2268 2268  
2269 2269  )))
2270 2270  
... ... @@ -2273,9 +2273,10 @@
2273 2273  )))
2274 2274  
2275 2275  
2276 -= 8. Order Info =
2277 2277  
2196 += 7. Order Info =
2278 2278  
2198 +
2279 2279  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2280 2280  
2281 2281  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2290,7 +2290,7 @@
2290 2290  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2291 2291  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2292 2292  
2293 -= 9. Packing Info =
2213 += 8. Packing Info =
2294 2294  
2295 2295  
2296 2296  **Package Includes**:
... ... @@ -2307,7 +2307,7 @@
2307 2307  * Package Size / pcs : 14.5 x 8 x 5 cm
2308 2308  * Weight / pcs : 170g
2309 2309  
2310 -= 10. Support =
2230 += 9. Support =
2311 2311  
2312 2312  
2313 2313  * (((
... ... @@ -2314,17 +2314,15 @@
2314 2314  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.
2315 2315  )))
2316 2316  * (((
2317 -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]]
2318 2318  
2319 2319  
2320 2320  
2321 2321  )))
2322 2322  
2323 -= 11. Reference​​​​​ =
2243 += 10. Reference​​​​​ =
2324 2324  
2325 2325  
2326 2326  * 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]]
2327 2327  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2328 2328  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2329 -
2330 -
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