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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 126.22
edited by Xiaoling
on 2023/06/19 16:35
Change comment: There is no comment for this version
To version 105.2
edited by Xiaoling
on 2022/11/16 16:12
Change comment: There is no comment for this version

Summary

Details

Page properties
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  
... ... @@ -195,15 +195,10 @@
195 195  
196 196  
197 197  * Smart Buildings & Home Automation
198 -
199 199  * Logistics and Supply Chain Management
200 -
201 201  * Smart Metering
202 -
203 203  * Smart Agriculture
204 -
205 205  * Smart Cities
206 -
207 207  * Smart Factory
208 208  
209 209  
... ... @@ -211,12 +211,9 @@
211 211  == 1.5 Hardware Variants ==
212 212  
213 213  
214 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
215 -|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:266px" %)**Description**
216 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
217 -(% style="text-align:center" %)
218 -[[image:image-20230424115112-1.png||height="106" width="58"]]
219 -)))|(% style="width:334px" %)(((
206 +(% border="1" style="background-color:#f7faff; width:500px" %)
207 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
208 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
220 220  * 2 x Digital Input (Bi-direction)
221 221  * 2 x Digital Output
222 222  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -243,8 +243,10 @@
243 243  [[image:1653297104069-180.png]]
244 244  
245 245  
235 +
246 246  = 3. Operation Mode =
247 247  
238 +
248 248  == 3.1 How it works? ==
249 249  
250 250  
... ... @@ -257,6 +257,7 @@
257 257  )))
258 258  
259 259  
251 +
260 260  == 3.2 Example to join LoRaWAN network ==
261 261  
262 262  
... ... @@ -283,7 +283,7 @@
283 283  Each LT is shipped with a sticker with the default device EUI as below:
284 284  )))
285 285  
286 -[[image:image-20230425173427-2.png||height="246" width="530"]]
278 +[[image:1653297924498-393.png]]
287 287  
288 288  
289 289  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -298,6 +298,7 @@
298 298  [[image:1653298023685-319.png]]
299 299  
300 300  
293 +
301 301  (((
302 302  (% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
303 303  
... ... @@ -307,6 +307,7 @@
307 307  [[image:1653298044601-602.png||height="405" width="709"]]
308 308  
309 309  
303 +
310 310  == 3.3 Uplink Payload ==
311 311  
312 312  
... ... @@ -313,15 +313,10 @@
313 313  There are five working modes + one interrupt mode on LT for different type application:
314 314  
315 315  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
316 -
317 317  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
318 -
319 319  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
320 -
321 321  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
322 -
323 323  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
324 -
325 325  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
326 326  
327 327  
... ... @@ -330,31 +330,19 @@
330 330  
331 331  
332 332  (((
333 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
334 -
335 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
336 -|(% 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**
337 -|Value|(((
338 -AVI1 voltage
339 -)))|(((
340 -AVI2 voltage
341 -)))|(((
342 -ACI1 Current
343 -)))|(((
344 -ACI2 Current
345 -)))|DIDORO*|(((
346 -Reserve
347 -)))|MOD
322 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
348 348  )))
349 349  
325 +[[image:image-20220523174024-3.png]]
326 +
350 350  (((
351 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
328 +
352 352  
353 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
354 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
355 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
330 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
356 356  )))
357 357  
333 +[[image:image-20220523174254-4.png]]
334 +
358 358  * RO is for relay. ROx=1 : close，ROx=0 always open.
359 359  * DI is for digital input. DIx=1: high or float, DIx=0: low.
360 360  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -405,55 +405,56 @@
405 405  
406 406  (((
407 407  Total : 11 bytes payload
408 -
409 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
410 -|(% 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**
411 -|Value|COUNT1|COUNT2 |DIDORO*|(((
412 -Reserve
413 -)))|MOD
414 414  )))
415 415  
416 -(((
417 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
387 +[[image:image-20220523180452-3.png]]
418 418  
419 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
420 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
421 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
422 422  
423 -RO is for relay. ROx=1 : close，ROx=0 always open.
390 +(((
391 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
424 424  )))
425 425  
394 +[[image:image-20220523180506-4.png]]
395 +
396 +* RO is for relay. ROx=1 : close，ROx=0 always open.
426 426  * FIRST: Indicate this is the first packet after join network.
427 427  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
428 428  
429 429  (((
430 430  (% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
431 -
432 -
433 433  )))
434 434  
435 435  (((
405 +
406 +
436 436  **To use counting mode, please run:**
437 437  )))
438 438  
439 -(((
440 440  (% class="box infomessage" %)
441 441  (((
412 +(((
413 +(((
442 442  **AT+MOD=2**
415 +)))
443 443  
417 +(((
444 444  **ATZ**
445 445  )))
446 446  )))
421 +)))
447 447  
448 448  (((
449 449  
450 450  
451 451  (% style="color:#4f81bd" %)**AT Commands for counting:**
427 +
428 +
452 452  )))
453 453  
454 454  (((
455 455  **For LT22222-L:**
456 456  
434 +
457 457  (% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
458 458  
459 459  (% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
... ... @@ -468,27 +468,22 @@
468 468  )))
469 469  
470 470  
449 +
471 471  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
472 472  
473 473  
474 474  **LT22222-L**: This mode the DI1 is used as a counting pin.
475 475  
476 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
477 -|(% 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**
478 -|Value|COUNT1|(((
479 -ACI1 Current
480 -)))|(((
481 -ACI2 Current
482 -)))|DIDORO*|Reserve|MOD
455 +[[image:image-20220523181246-5.png]]
483 483  
484 484  (((
485 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
458 +
486 486  
487 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
488 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
489 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
460 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
490 490  )))
491 491  
463 +[[image:image-20220523181301-6.png]]
464 +
492 492  * RO is for relay. ROx=1 : close，ROx=0 always open.
493 493  * FIRST: Indicate this is the first packet after join network.
494 494  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -502,14 +502,18 @@
502 502  **To use counting mode, please run:**
503 503  )))
504 504  
505 -(((
506 506  (% class="box infomessage" %)
507 507  (((
480 +(((
481 +(((
508 508  **AT+MOD=3**
483 +)))
509 509  
485 +(((
510 510  **ATZ**
511 511  )))
512 512  )))
489 +)))
513 513  
514 514  (((
515 515  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -516,6 +516,7 @@
516 516  )))
517 517  
518 518  
496 +
519 519  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
520 520  
521 521  
... ... @@ -525,22 +525,17 @@
525 525  
526 526  (((
527 527  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.
528 -
529 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
530 -|(% 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**
531 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
532 -Reserve
533 -)))|MOD
534 534  )))
535 535  
508 +[[image:image-20220523181903-8.png]]
509 +
510 +
536 536  (((
537 537  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
538 -
539 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
540 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
541 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
542 542  )))
543 543  
515 +[[image:image-20220523181727-7.png]]
516 +
544 544  * RO is for relay. ROx=1 : close，ROx=0 always open.
545 545  * FIRST: Indicate this is the first packet after join network.
546 546  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -547,30 +547,38 @@
547 547  
548 548  (((
549 549  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
550 -
551 -
552 552  )))
553 553  
554 554  (((
526 +
527 +
555 555  **To use this mode, please run:**
556 556  )))
557 557  
558 -(((
559 559  (% class="box infomessage" %)
560 560  (((
533 +(((
534 +(((
561 561  **AT+MOD=4**
536 +)))
562 562  
538 +(((
563 563  **ATZ**
564 564  )))
565 565  )))
542 +)))
566 566  
544 +
567 567  (((
568 568  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
569 569  )))
570 570  
571 571  (((
550 +
551 +
572 572  **Plus below command for AVI1 Counting:**
573 573  
554 +
574 574  (% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
575 575  
576 576  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
... ... @@ -581,29 +581,18 @@
581 581  )))
582 582  
583 583  
565 +
584 584  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
585 585  
586 586  
587 587  **LT22222-L**: This mode the DI1 is used as a counting pin.
588 588  
589 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
590 -|(% 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**
591 -|Value|(((
592 -AVI1 voltage
593 -)))|(((
594 -AVI2 voltage
595 -)))|(((
596 -ACI1 Current
597 -)))|COUNT1|DIDORO*|(((
598 -Reserve
599 -)))|MOD
571 +[[image:image-20220523182334-9.png]]
600 600  
601 601  (((
602 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
574 +
603 603  
604 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
605 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
606 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
576 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
607 607  )))
608 608  
609 609  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -617,17 +617,23 @@
617 617  )))
618 618  
619 619  (((
590 +
591 +
620 620  **To use this mode, please run:**
621 621  )))
622 622  
623 -(((
624 624  (% class="box infomessage" %)
625 625  (((
597 +(((
598 +(((
626 626  **AT+MOD=5**
600 +)))
627 627  
602 +(((
628 628  **ATZ**
629 629  )))
630 630  )))
606 +)))
631 631  
632 632  (((
633 633  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -634,6 +634,7 @@
634 634  )))
635 635  
636 636  
613 +
637 637  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
638 638  
639 639  
... ... @@ -688,6 +688,7 @@
688 688  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
689 689  
690 690  
668 +
691 691  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
692 692  
693 693  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -722,39 +722,12 @@
722 722  
723 723  MOD6 Payload : total 11 bytes payload
724 724  
725 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
726 -|(% 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**
727 -|Value|(((
728 -TRI_A FLAG
729 -)))|(((
730 -TRI_A Status
731 -)))|(((
732 -TRI_DI FLAG+STA
733 -)))|Reserve|Enable/Disable MOD6|(((
734 -MOD(6)
735 -)))
703 +[[image:image-20220524085923-1.png]]
736 736  
705 +
737 737  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
738 738  
739 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
740 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
741 -|(((
742 -AV1_LOW
743 -)))|(((
744 -AV1_HIGH
745 -)))|(((
746 -AV2_LOW
747 -)))|(((
748 -AV2_HIGH
749 -)))|(((
750 -AC1_LOW
751 -)))|(((
752 -AC1_HIGH
753 -)))|(((
754 -AC2_LOW
755 -)))|(((
756 -AC2_HIGH
757 -)))
708 +[[image:image-20220524090106-2.png]]
758 758  
759 759  * Each bits shows if the corresponding trigger has been configured.
760 760  
... ... @@ -763,27 +763,10 @@
763 763  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
764 764  
765 765  
717 +
766 766  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
767 767  
768 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
769 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
770 -|(((
771 -AV1_LOW
772 -)))|(((
773 -AV1_HIGH
774 -)))|(((
775 -AV2_LOW
776 -)))|(((
777 -AV2_HIGH
778 -)))|(((
779 -AC1_LOW
780 -)))|(((
781 -AC1_HIGH
782 -)))|(((
783 -AC2_LOW
784 -)))|(((
785 -AC2_HIGH
786 -)))
720 +[[image:image-20220524090249-3.png]]
787 787  
788 788  * Each bits shows which status has been trigger on this uplink.
789 789  
... ... @@ -792,11 +792,10 @@
792 792  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
793 793  
794 794  
729 +
795 795  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
796 796  
797 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
798 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
799 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
732 +[[image:image-20220524090456-4.png]]
800 800  
801 801  * Each bits shows which status has been trigger on this uplink.
802 802  
... ... @@ -807,6 +807,7 @@
807 807  00000101: Means both DI1 and DI2 trigger are enabled.
808 808  
809 809  
743 +
810 810  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
811 811  
812 812  Downlink command to poll MOD6 status:
... ... @@ -816,6 +816,7 @@
816 816  When device got this command, it will send the MOD6 payload.
817 817  
818 818  
753 +
819 819  === 3.3.7 Payload Decoder ===
820 820  
821 821  (((
... ... @@ -825,6 +825,7 @@
825 825  )))
826 826  
827 827  
763 +
828 828  == 3.4 ​Configure LT via AT or Downlink ==
829 829  
830 830  
... ... @@ -852,8 +852,10 @@
852 852  )))
853 853  
854 854  
791 +
855 855  === 3.4.2 Sensor related commands ===
856 856  
794 +
857 857  ==== 3.4.2.1 Set Transmit Interval ====
858 858  
859 859  
... ... @@ -878,10 +878,14 @@
878 878  
879 879  Set work mode.
880 880  
881 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
819 +* (% style="color:#037691" %)**AT Command:**
882 882  
821 +(% style="color:blue" %)**AT+MOD=N  **
822 +
823 +
883 883  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
884 884  
826 +
885 885  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
886 886  
887 887  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
... ... @@ -891,12 +891,16 @@
891 891  ==== 3.4.2.3 Poll an uplink ====
892 892  
893 893  
894 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
836 +* (% style="color:#037691" %)**AT Command:**
895 895  
838 +There is no AT Command to poll uplink
839 +
840 +
896 896  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
897 897  
898 898  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
899 899  
845 +
900 900  **Example**: 0x08FF, ask device to send an Uplink
901 901  
902 902  
... ... @@ -906,8 +906,10 @@
906 906  
907 907  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
908 908  
909 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
855 +* (% style="color:#037691" %)**AT Command:**
910 910  
857 +(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
858 +
911 911  (% style="color:red" %)**1:** (%%)Enable Trigger Mode
912 912  
913 913  (% style="color:red" %)**0: **(%%)Disable Trigger Mode
... ... @@ -919,15 +919,17 @@
919 919  
920 920  
921 921  
870 +
922 922  ==== 3.4.2.5 Poll trigger settings ====
923 923  
924 924  
925 -Poll trigger settings
874 +Poll trigger settings,
926 926  
927 927  * (% style="color:#037691" %)**AT Command:**
928 928  
929 929  There is no AT Command for this feature.
930 930  
880 +
931 931  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
932 932  
933 933  (% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
... ... @@ -939,11 +939,15 @@
939 939  
940 940  Enable Disable DI1/DI2/DI2 as trigger,
941 941  
942 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
892 +* (% style="color:#037691" %)**AT Command:**
943 943  
944 -**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
894 +(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
945 945  
946 946  
897 +**Example:**
898 +
899 +AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
900 +
947 947  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
948 948  
949 949  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -955,15 +955,20 @@
955 955  
956 956  Set DI1 or DI3(for LT-33222-L) trigger.
957 957  
958 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
912 +* (% style="color:#037691" %)**AT Command:**
959 959  
914 +(% style="color:blue" %)**AT+TRIG1=a,b**
915 +
960 960  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
961 961  
962 962  (% style="color:red" %)**b :** (%%)delay timing.
963 963  
964 -**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
965 965  
921 +**Example:**
966 966  
923 +AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
924 +
925 +
967 967  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
968 968  
969 969  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
... ... @@ -975,18 +975,23 @@
975 975  
976 976  Set DI2 trigger.
977 977  
978 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
937 +* (% style="color:#037691" %)**AT Command:**
979 979  
939 +(% style="color:blue" %)**AT+TRIG2=a,b**
940 +
980 980  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
981 981  
982 982  (% style="color:red" %)**b :** (%%)delay timing.
983 983  
984 -**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
985 985  
946 +**Example:**
986 986  
948 +AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
949 +
950 +
987 987  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
988 988  
989 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
953 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
990 990  
991 991  
992 992  
... ... @@ -995,8 +995,11 @@
995 995  
996 996  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
997 997  
998 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
962 +* (% style="color:#037691" %)**AT Command**
999 999  
964 +(% style="color:blue" %)**AT+ACLIM**
965 +
966 +
1000 1000  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
1001 1001  
1002 1002  (% 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"]]
... ... @@ -1008,8 +1008,11 @@
1008 1008  
1009 1009  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1010 1010  
1011 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
978 +* (% style="color:#037691" %)**AT Command**
1012 1012  
980 +(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
981 +
982 +
1013 1013  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1014 1014  
1015 1015  (% 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"]]
... ... @@ -1021,13 +1021,18 @@
1021 1021  
1022 1022  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1023 1023  
1024 -* (% 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.
994 +* (% style="color:#037691" %)**AT Command**
1025 1025  
996 +(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
997 +
998 +
1026 1026  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1027 1027  
1028 1028  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1029 1029  
1030 1030  (((
1004 +
1005 +
1031 1031  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
1032 1032  )))
1033 1033  
... ... @@ -1042,9 +1042,8 @@
1042 1042  
1043 1043  
1044 1044  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1020 +* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1045 1045  
1046 -(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1047 -
1048 1048  (((
1049 1049  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1050 1050  )))
... ... @@ -1051,14 +1051,10 @@
1051 1051  
1052 1052  (((
1053 1053  01: Low,  00: High ,  11: No action
1054 -
1055 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1056 -|(% 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**
1057 -|02  01  00  11|Low|High|No Action
1058 -|02  00  11  01|High|No Action|Low
1059 -|02  11  01  00|No Action|Low|High
1060 1060  )))
1061 1061  
1030 +[[image:image-20220524092754-5.png]]
1031 +
1062 1062  (((
1063 1063  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1064 1064  )))
... ... @@ -1095,37 +1095,23 @@
1095 1095  
1096 1096  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1097 1097  
1098 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1099 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1100 -|0x01|DO1 set to low
1101 -|0x00|DO1 set to high
1102 -|0x11|DO1 NO Action
1068 +[[image:image-20220524093238-6.png]]
1103 1103  
1070 +
1104 1104  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1105 1105  
1106 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1107 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1108 -|0x01|DO2 set to low
1109 -|0x00|DO2 set to high
1110 -|0x11|DO2 NO Action
1073 +[[image:image-20220524093328-7.png]]
1111 1111  
1075 +
1112 1112  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1113 1113  
1114 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1115 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1116 -|0x01|DO3 set to low
1117 -|0x00|DO3 set to high
1118 -|0x11|DO3 NO Action
1078 +[[image:image-20220524093351-8.png]]
1119 1119  
1120 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1121 1121  
1081 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1122 1122  
1123 -(% style="color:red" %)**Note: **
1083 + Latching time. Unit: ms
1124 1124  
1125 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1126 -
1127 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1128 -
1129 1129  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1130 1130  
1131 1131  
... ... @@ -1149,7 +1149,7 @@
1149 1149  
1150 1150  
1151 1151  
1152 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1108 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1153 1153  
1154 1154  
1155 1155  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1168,17 +1168,10 @@
1168 1168  
1169 1169  (((
1170 1170  01: Close ,  00: Open , 11: No action
1127 +)))
1171 1171  
1172 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1173 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1174 -|03  00  11|Open|No Action
1175 -|03  01  11|Close|No Action
1176 -|03  11  00|No Action|Open
1177 -|03  11  01|No Action|Close
1178 -|03  00  00|Open|Open
1179 -|03  01  01|Close|Close
1180 -|03  01  00|Close|Open
1181 -|03  00  01|Open|Close
1129 +(((
1130 +[[image:image-20220524093724-9.png]]
1182 1182  )))
1183 1183  
1184 1184  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1185,6 +1185,7 @@
1185 1185  
1186 1186  
1187 1187  
1137 +
1188 1188  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1189 1189  
1190 1190  
... ... @@ -1216,20 +1216,12 @@
1216 1216  
1217 1217  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1218 1218  
1219 -
1220 -(% style="color:red" %)**Note:**
1221 -
1222 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1223 -
1224 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1225 -
1226 -
1227 1227  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1228 1228  
1229 1229  
1230 1230  **Example payload:**
1231 1231  
1232 -**~1. 05 01 11 07 D0**
1174 +**~1. 05 01 11 07 D**
1233 1233  
1234 1234  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1235 1235  
... ... @@ -1252,8 +1252,11 @@
1252 1252  
1253 1253  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1254 1254  
1255 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1197 +* (% style="color:#037691" %)**AT Command:**
1256 1256  
1199 +(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1200 +
1201 +
1257 1257  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1258 1258  
1259 1259  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1263,8 +1263,10 @@
1263 1263  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1264 1264  
1265 1265  
1266 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1211 +* (% style="color:#037691" %)**AT Command:**
1267 1267  
1213 +(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1214 +
1268 1268  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1269 1269  
1270 1270  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1281,8 +1281,11 @@
1281 1281  
1282 1282  Clear counting for counting mode
1283 1283  
1284 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1231 +* (% style="color:#037691" %)**AT Command:**
1285 1285  
1233 +(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1234 +
1235 +
1286 1286  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1287 1287  
1288 1288  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1307,14 +1307,14 @@
1307 1307  
1308 1308  
1309 1309  
1310 -==== 3.4.2.20 Reset save RO DO state ====
1260 +==== 3.4.2.20 Reset save DR DO state ====
1311 1311  
1312 1312  
1313 1313  * (% style="color:#037691" %)**AT Command:**
1314 1314  
1315 -(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1265 +(% style="color:blue" %)**AT+RODORET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1316 1316  
1317 -(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1267 +(% style="color:blue" %)**AT+RODORET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1318 1318  
1319 1319  
1320 1320  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
... ... @@ -1356,6 +1356,7 @@
1356 1356  
1357 1357  
1358 1358  
1309 +
1359 1359  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1360 1360  
1361 1361  
... ... @@ -1372,6 +1372,7 @@
1372 1372  
1373 1373  
1374 1374  
1326 +
1375 1375  ==== 3.4.2.25 Copy downlink to uplink ====
1376 1376  
1377 1377  
... ... @@ -1410,6 +1410,7 @@
1410 1410  [[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"]]
1411 1411  
1412 1412  
1365 +
1413 1413  == 3.5 Integrate with Mydevice ==
1414 1414  
1415 1415  
... ... @@ -1434,7 +1434,7 @@
1434 1434  
1435 1435  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1436 1436  
1437 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1390 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1438 1438  
1439 1439  Search under The things network
1440 1440  
... ... @@ -1441,6 +1441,7 @@
1441 1441  [[image:1653356838789-523.png||height="337" width="740"]]
1442 1442  
1443 1443  
1397 +
1444 1444  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1445 1445  
1446 1446  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1458,8 +1458,10 @@
1458 1458  [[image:image-20220524094909-5.png||height="341" width="734"]]
1459 1459  
1460 1460  
1415 +
1461 1461  == 3.6 Interface Detail ==
1462 1462  
1418 +
1463 1463  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1464 1464  
1465 1465  
... ... @@ -1468,16 +1468,17 @@
1468 1468  [[image:1653356991268-289.png]]
1469 1469  
1470 1470  
1427 +
1471 1471  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1472 1472  
1473 1473  
1474 1474  (((
1475 -The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1432 +The DI port of LT-22222-L can support NPN or PNP output sensor.
1476 1476  )))
1477 1477  
1478 1478  (((
1479 1479  (((
1480 -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.
1437 +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.
1481 1481  
1482 1482  
1483 1483  )))
... ... @@ -1524,6 +1524,8 @@
1524 1524  
1525 1525  (((
1526 1526  
1484 +
1485 +
1527 1527  )))
1528 1528  
1529 1529  (((
... ... @@ -1555,6 +1555,8 @@
1555 1555  
1556 1556  (((
1557 1557  
1517 +
1518 +
1558 1558  )))
1559 1559  
1560 1560  (((
... ... @@ -1585,25 +1585,18 @@
1585 1585  )))
1586 1586  
1587 1587  
1588 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1589 1589  
1590 -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.
1591 -
1592 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1593 -
1594 -[[image:image-20230616235145-1.png]]
1595 -
1596 -
1597 1597  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1598 1598  
1599 1599  
1600 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1553 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1601 1601  
1602 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1555 +Note: DO pins go to float when device is power off.
1603 1603  
1604 1604  [[image:1653357531600-905.png]]
1605 1605  
1606 1606  
1560 +
1607 1607  === 3.6.4 Analog Input Interface ===
1608 1608  
1609 1609  
... ... @@ -1621,12 +1621,13 @@
1621 1621  
1622 1622  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1623 1623  
1624 -(% style="color:red" %)**Red:  12~~24v**
1578 +**Red:  12~~24v**
1625 1625  
1626 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1580 +**Yellow:  4~~20mA**
1627 1627  
1628 1628  **Black:  GND**
1629 1629  
1584 +
1630 1630  **Connection diagram:**
1631 1631  
1632 1632  [[image:1653357640609-758.png]]
... ... @@ -1634,22 +1634,7 @@
1634 1634  [[image:1653357648330-671.png||height="155" width="733"]]
1635 1635  
1636 1636  
1637 -Example connected to a regulated power supply to measure voltage
1638 1638  
1639 -[[image:image-20230608101532-1.png||height="606" width="447"]]
1640 -
1641 -[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1642 -
1643 -[[image:image-20230608101722-3.png||height="102" width="1139"]]
1644 -
1645 -
1646 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1647 -
1648 -(% style="color:red" %)**Red:  12~~24v**
1649 -
1650 -**Black:  GND**
1651 -
1652 -
1653 1653  === 3.6.5 Relay Output ===
1654 1654  
1655 1655  
... ... @@ -1665,48 +1665,17 @@
1665 1665  [[image:image-20220524100215-10.png||height="382" width="723"]]
1666 1666  
1667 1667  
1608 +
1668 1668  == 3.7 LEDs Indicators ==
1669 1669  
1670 1670  
1671 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1672 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1673 -|**PWR**|Always on if there is power
1674 -|**SYS**|(((
1675 -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.
1676 -)))
1677 -|**TX**|(((
1678 -(((
1679 -Device boot: TX blinks 5 times.
1680 -)))
1612 +[[image:image-20220524100748-11.png]]
1681 1681  
1682 -(((
1683 -Successful join network: TX ON for 5 seconds.
1684 -)))
1685 1685  
1686 -(((
1687 -Transmit a LoRa packet: TX blinks once
1688 -)))
1689 -)))
1690 -|**RX**|RX blinks once when receive a packet.
1691 -|**DO1**|
1692 -|**DO2**|
1693 -|**DO3**|
1694 -|**DI2**|(((
1695 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1696 -)))
1697 -|**DI2**|(((
1698 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1699 -)))
1700 -|**DI2**|(((
1701 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1702 -)))
1703 -|**RO1**|
1704 -|**RO2**|
1705 1705  
1706 -
1707 -
1708 1708  = 4. Use AT Command =
1709 1709  
1618 +
1710 1710  == 4.1 Access AT Command ==
1711 1711  
1712 1712  
... ... @@ -1917,8 +1917,10 @@
1917 1917  )))
1918 1918  
1919 1919  
1829 +
1920 1920  == 4.2 Common AT Command Sequence ==
1921 1921  
1832 +
1922 1922  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1923 1923  
1924 1924  (((
... ... @@ -1963,6 +1963,7 @@
1963 1963  )))
1964 1964  
1965 1965  
1877 +
1966 1966  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1967 1967  
1968 1968  (((
... ... @@ -2035,7 +2035,9 @@
2035 2035  **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?
2036 2036  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2037 2037  
2038 -**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.**
1950 +**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**
1951 +
1952 +
2039 2039  )))
2040 2040  
2041 2041  (((
... ... @@ -2042,7 +2042,11 @@
2042 2042  [[image:1653359097980-169.png||height="188" width="729"]]
2043 2043  )))
2044 2044  
1959 +(((
1960 +
1961 +)))
2045 2045  
1963 +
2046 2046  === 4.2.3 Change to Class A ===
2047 2047  
2048 2048  
... ... @@ -2049,25 +2049,18 @@
2049 2049  (((
2050 2050  (% style="color:blue" %)**If sensor JOINED:**
2051 2051  
2052 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
2053 -
2054 -(% style="background-color:#dcdcdc" %)**ATZ**
1970 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1971 +ATZ**
2055 2055  )))
2056 2056  
2057 2057  
2058 -= 5. Case Study =
2059 2059  
2060 -== 5.1 Counting how many objects pass in Flow Line ==
1976 += 5. FAQ =
2061 2061  
2062 2062  
2063 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1979 +== 5.1 How to upgrade the image? ==
2064 2064  
2065 2065  
2066 -= 6. FAQ =
2067 -
2068 -== 6.1 How to upgrade the image? ==
2069 -
2070 -
2071 2071  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2072 2072  
2073 2073  * Support new features
... ... @@ -2081,7 +2081,7 @@
2081 2081  
2082 2082  (((
2083 2083  (% 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]].
2084 -(% 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]].
1995 +(% 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]].
2085 2085  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2086 2086  
2087 2087  
... ... @@ -2095,10 +2095,8 @@
2095 2095  
2096 2096   [[image:image-20220524103407-12.png]]
2097 2097  
2098 -
2099 2099  [[image:image-20220524103429-13.png]]
2100 2100  
2101 -
2102 2102  [[image:image-20220524104033-15.png]]
2103 2103  
2104 2104  
... ... @@ -2110,8 +2110,10 @@
2110 2110  
2111 2111  (((
2112 2112  (((
2113 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2022 +
2114 2114  
2024 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2025 +
2115 2115  
2116 2116  )))
2117 2117  )))
... ... @@ -2123,8 +2123,9 @@
2123 2123  (((
2124 2124  
2125 2125  
2126 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2127 2127  
2038 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2039 +
2128 2128  
2129 2129  )))
2130 2130  
... ... @@ -2168,21 +2168,13 @@
2168 2168  
2169 2169  (((
2170 2170  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2171 -
2172 2172  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2173 -
2174 2174  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2175 -
2176 2176  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2177 -
2178 2178  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2179 -
2180 2180  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2181 -
2182 2182  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2183 -
2184 2184  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2185 -
2186 2186  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2187 2187  )))
2188 2188  
... ... @@ -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  
2102 +== 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  
2110 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2212 2212  
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  
2113 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2114 +
2115 +
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? ==
2120 +== 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  
2133 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2233 2233  
2135 +
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? ==
2142 +== 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 =
2148 +
2149 += 6. Trouble Shooting =
2150 +
2151 +
2247 2247  )))
2248 2248  
2249 2249  (((
2250 2250  (((
2251 -== 7.1 Downlink doesn't work, how to solve it? ==
2156 +== 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  
2170 +== 6.2 Have trouble to upload image. ==
2171 +
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  
2183 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2184 +
2278 2278  
2279 2279  )))
2280 2280  
... ... @@ -2283,9 +2283,10 @@
2283 2283  )))
2284 2284  
2285 2285  
2286 -= 8. Order Info =
2287 2287  
2194 += 7. Order Info =
2288 2288  
2196 +
2289 2289  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2290 2290  
2291 2291  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2302,7 +2302,7 @@
2302 2302  
2303 2303  
2304 2304  
2305 -= 9. Packing Info =
2213 += 8. Packing Info =
2306 2306  
2307 2307  
2308 2308  **Package Includes**:
... ... @@ -2321,7 +2321,7 @@
2321 2321  
2322 2322  
2323 2323  
2324 -= 10. Support =
2232 += 9. Support =
2325 2325  
2326 2326  
2327 2327  * (((
... ... @@ -2328,17 +2328,15 @@
2328 2328  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.
2329 2329  )))
2330 2330  * (((
2331 -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]]
2239 +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]]
2332 2332  
2333 2333  
2334 2334  
2335 2335  )))
2336 2336  
2337 -= 11. Reference​​​​​ =
2245 += 10. Reference​​​​​ =
2338 2338  
2339 2339  
2340 2340  * 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]]
2341 2341  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2342 2342  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2343 -
2344 -
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