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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 77.2
edited by Xiaoling
on 2022/06/10 08:37
Change comment: There is no comment for this version
To version 82.10
edited by Xiaoling
on 2022/06/20 11:41
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -19,6 +19,8 @@
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
22 +
23 +
22 22  The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
23 23  )))
24 24  
... ... @@ -48,9 +48,12 @@
48 48  
49 49  )))
50 50  
53 +
51 51  == 1.2  Specifications ==
52 52  
53 53  (((
57 +
58 +
54 54  **Hardware System:**
55 55  )))
56 56  
... ... @@ -74,6 +74,8 @@
74 74  )))
75 75  
76 76  (((
82 +
83 +
77 77  **Interface for Model: LT22222-L:**
78 78  )))
79 79  
... ... @@ -97,6 +97,8 @@
97 97  )))
98 98  
99 99  (((
107 +
108 +
100 100  **LoRa Spec:**
101 101  )))
102 102  
... ... @@ -157,6 +157,8 @@
157 157  * (((
158 158  Packet engine up to 256 bytes with CRC.
159 159  
169 +
170 +
160 160  
161 161  )))
162 162  
... ... @@ -170,6 +170,8 @@
170 170  * Firmware upgradable via program port
171 171  * Counting
172 172  
184 +
185 +
173 173  == 1.4  Applications ==
174 174  
175 175  * Smart Buildings & Home Automation
... ... @@ -179,6 +179,8 @@
179 179  * Smart Cities
180 180  * Smart Factory
181 181  
195 +
196 +
182 182  == 1.5 Hardware Variants ==
183 183  
184 184  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -192,6 +192,7 @@
192 192  * 1 x Counting Port
193 193  )))
194 194  
210 +
195 195  = 2. Power ON Device =
196 196  
197 197  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
... ... @@ -203,6 +203,7 @@
203 203  [[image:1653297104069-180.png]]
204 204  
205 205  
222 +
206 206  = 3. Operation Mode =
207 207  
208 208  == 3.1 How it works? ==
... ... @@ -213,10 +213,9 @@
213 213  
214 214  (((
215 215  In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
216 -
217 -
218 218  )))
219 219  
235 +
220 220  == 3.2 Example to join LoRaWAN network ==
221 221  
222 222  (((
... ... @@ -225,12 +225,13 @@
225 225  
226 226  [[image:image-20220523172350-1.png||height="266" width="864"]]
227 227  
244 +
228 228  (((
229 229  The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
230 230  )))
231 231  
232 232  (((
233 -**Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
250 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
234 234  )))
235 235  
236 236  (((
... ... @@ -239,6 +239,7 @@
239 239  
240 240  [[image:1653297924498-393.png]]
241 241  
259 +
242 242  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
243 243  
244 244  Add APP EUI in the application.
... ... @@ -252,12 +252,13 @@
252 252  
253 253  
254 254  (((
255 -**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.
273 +(% 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.
256 256  )))
257 257  
258 258  [[image:1653298044601-602.png||height="405" width="709"]]
259 259  
260 260  
279 +
261 261  == 3.3 Uplink Payload ==
262 262  
263 263  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -269,6 +269,8 @@
269 269  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
270 270  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
271 271  
291 +
292 +
272 272  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
273 273  
274 274  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -276,6 +276,8 @@
276 276  [[image:image-20220523174024-3.png]]
277 277  
278 278  (((
300 +
301 +
279 279  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
280 280  )))
281 281  
... ... @@ -289,6 +289,7 @@
289 289  
290 290  For example if payload is: [[image:image-20220523175847-2.png]]
291 291  
315 +
292 292  **The value for the interface is:  **
293 293  
294 294  AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
... ... @@ -319,8 +319,11 @@
319 319  ** DO1 is high in case there is load between DO1 and V+.
320 320  ** DO1 LED is off in both case
321 321  
346 +
347 +
322 322  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
323 323  
350 +
324 324  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
325 325  
326 326  (((
... ... @@ -329,6 +329,7 @@
329 329  
330 330  [[image:image-20220523180452-3.png]]
331 331  
359 +
332 332  (((
333 333  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
334 334  )))
... ... @@ -344,6 +344,8 @@
344 344  )))
345 345  
346 346  (((
375 +
376 +
347 347  **To use counting mode, please run:**
348 348  )))
349 349  
... ... @@ -351,17 +351,14 @@
351 351  (((
352 352  (((
353 353  **AT+MOD=2**
354 -)))
355 -)))
356 356  
357 -(% class="box infomessage" %)
358 -(((
359 -(((
360 360  **ATZ**
361 361  )))
362 362  )))
363 363  
364 364  (((
390 +
391 +
365 365  (% style="color:#4f81bd" %)**AT Commands for counting:**
366 366  )))
367 367  
... ... @@ -373,45 +373,21 @@
373 373  (((
374 374  (((
375 375  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
376 -)))
377 -)))
378 378  
379 -(% class="box infomessage" %)
380 -(((
381 -(((
382 382  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
383 -)))
384 -)))
385 385  
386 -(% class="box infomessage" %)
387 -(((
388 -(((
389 389  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
390 -)))
391 -)))
392 392  
393 -(% class="box infomessage" %)
394 -(((
395 -(((
396 396  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
397 -)))
398 -)))
399 399  
400 -(% class="box infomessage" %)
401 -(((
402 -(((
403 403  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
404 -)))
405 -)))
406 406  
407 -(% class="box infomessage" %)
408 -(((
409 -(((
410 410  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
411 411  )))
412 412  )))
413 413  
414 414  
417 +
415 415  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
416 416  
417 417  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -440,12 +440,7 @@
440 440  (((
441 441  (((
442 442  **AT+MOD=3**
443 -)))
444 -)))
445 445  
446 -(% class="box infomessage" %)
447 -(((
448 -(((
449 449  **ATZ**
450 450  )))
451 451  )))
... ... @@ -452,12 +452,13 @@
452 452  
453 453  (((
454 454  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
455 -
456 -
457 457  )))
458 458  
455 +
456 +
459 459  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
460 460  
459 +
461 461  **LT22222-L**: This mode the DI1 is used as a counting pin.
462 462  
463 463  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.
... ... @@ -464,6 +464,7 @@
464 464  
465 465  [[image:image-20220523181903-8.png]]
466 466  
466 +
467 467  (((
468 468  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
469 469  )))
... ... @@ -479,6 +479,8 @@
479 479  )))
480 480  
481 481  (((
482 +
483 +
482 482  **To use this mode, please run:**
483 483  )))
484 484  
... ... @@ -486,25 +486,20 @@
486 486  (((
487 487  (((
488 488  **AT+MOD=4**
489 -)))
490 -)))
491 491  
492 -(% class="box infomessage" %)
493 -(((
494 -(((
495 495  **ATZ**
496 496  )))
497 497  )))
498 498  
499 -(((
500 -
501 -)))
502 502  
497 +
503 503  (((
504 504  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
505 505  )))
506 506  
507 507  (((
503 +
504 +
508 508  **Plus below command for AVI1 Counting:**
509 509  )))
510 510  
... ... @@ -511,28 +511,13 @@
511 511  (% class="box infomessage" %)
512 512  (((
513 513  (((
514 -**AT+SETCNT=3,60   (set AVI Count to 60)**
515 -)))
516 -)))
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
517 517  
518 -(% class="box infomessage" %)
519 -(((
520 -(((
521 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
522 -)))
523 -)))
513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
524 524  
525 -(% class="box infomessage" %)
526 -(((
527 -(((
528 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
529 -)))
530 -)))
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
531 531  
532 -(% class="box infomessage" %)
533 -(((
534 -(((
535 -**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
517 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
536 536  )))
537 537  )))
538 538  
... ... @@ -539,11 +539,14 @@
539 539  
540 540  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
541 541  
524 +
542 542  **LT22222-L**: This mode the DI1 is used as a counting pin.
543 543  
544 544  [[image:image-20220523182334-9.png]]
545 545  
546 546  (((
530 +
531 +
547 547  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
548 548  )))
549 549  
... ... @@ -558,6 +558,8 @@
558 558  )))
559 559  
560 560  (((
546 +
547 +
561 561  **To use this mode, please run:**
562 562  )))
563 563  
... ... @@ -565,12 +565,7 @@
565 565  (((
566 566  (((
567 567  **AT+MOD=5**
568 -)))
569 -)))
570 570  
571 -(% class="box infomessage" %)
572 -(((
573 -(((
574 574  **ATZ**
575 575  )))
576 576  )))
... ... @@ -577,12 +577,13 @@
577 577  
578 578  (((
579 579  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
580 -
581 -
582 582  )))
583 583  
564 +
565 +
584 584  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
585 585  
568 +
586 586  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
587 587  
588 588  For example, if user has configured below commands:
... ... @@ -595,7 +595,7 @@
595 595  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
596 596  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.**
597 597  
598 -**AT Command to set Trigger Condition**:
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
599 599  
600 600  (% style="color:#4f81bd" %)**Trigger base on voltage**:
601 601  
... ... @@ -608,6 +608,7 @@
608 608  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
609 609  
610 610  
594 +
611 611  (% style="color:#4f81bd" %)**Trigger base on current**:
612 612  
613 613  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -617,6 +617,7 @@
617 617  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
618 618  
619 619  
604 +
620 620  (% style="color:#4f81bd" %)**Trigger base on DI status**:
621 621  
622 622  DI status trigger Flag.
... ... @@ -623,12 +623,13 @@
623 623  
624 624  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
625 625  
611 +
626 626  **Example:**
627 627  
628 628  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
629 629  
630 630  
631 -**Downlink Command to set Trigger Condition**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
632 632  
633 633  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
634 634  
... ... @@ -646,14 +646,18 @@
646 646  
647 647   Yy4 yy4: AC2 or AV2 high limit.
648 648  
635 +
649 649  **Example1**: AA 00 13 88 00 00 00 00 00 00
650 650  
651 651  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
652 652  
640 +
653 653  **Example2**: AA 02 01 00
654 654  
655 655  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
656 656  
645 +
646 +
657 657  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
658 658  
659 659  MOD6 Payload : total 11 bytes payload
... ... @@ -660,6 +660,7 @@
660 660  
661 661  [[image:image-20220524085923-1.png]]
662 662  
653 +
663 663  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
664 664  
665 665  [[image:image-20220524090106-2.png]]
... ... @@ -704,14 +704,18 @@
704 704  When device got this command, it will send the MOD6 payload.
705 705  
706 706  
698 +
707 707  === 3.3.7 Payload Decoder ===
708 708  
709 709  (((
702 +
703 +
710 710  **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
711 711  
712 712  
713 713  )))
714 714  
709 +
715 715  == 3.4 ​Configure LT via AT or Downlink ==
716 716  
717 717  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -724,11 +724,14 @@
724 724  
725 725  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
726 726  
722 +
723 +
727 727  === 3.4.1 Common Commands ===
728 728  
729 729  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
730 730  
731 731  
729 +
732 732  === 3.4.2 Sensor related commands ===
733 733  
734 734  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -735,7 +735,7 @@
735 735  
736 736  Set device uplink interval.
737 737  
738 -* AT Command:
736 +* (% style="color:#037691" %)**AT Command:**
739 739  
740 740  (% class="box infomessage" %)
741 741  (((
... ... @@ -744,8 +744,9 @@
744 744  
745 745  **Example: **AT+TDC=30000. Means set interval to 30 seconds
746 746  
747 -* Downlink Payload (prefix 0x01):
748 748  
746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
747 +
749 749  (% class="box infomessage" %)
750 750  (((
751 751  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
... ... @@ -752,11 +752,12 @@
752 752  )))
753 753  
754 754  
754 +
755 755  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
756 756  
757 757  Set work mode.
758 758  
759 -* AT Command:
759 +* (% style="color:#037691" %)**AT Command:**
760 760  
761 761  (% class="box infomessage" %)
762 762  (((
... ... @@ -765,8 +765,9 @@
765 765  
766 766  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
767 767  
768 -* Downlink Payload (prefix 0x0A):
769 769  
769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
770 +
770 770  (% class="box infomessage" %)
771 771  (((
772 772  **0x0A aa     ~/~/ Same as AT+MOD=aa**
... ... @@ -773,14 +773,16 @@
773 773  )))
774 774  
775 775  
777 +
776 776  ==== 3.4.2.3 Poll an uplink ====
777 777  
778 -* AT Command:
780 +* (% style="color:#037691" %)AT Command:
779 779  
780 780  There is no AT Command to poll uplink
781 781  
782 -* Downlink Payload (prefix 0x08):
783 783  
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
786 +
784 784  (% class="box infomessage" %)
785 785  (((
786 786  **0x08 FF     ~/~/ Poll an uplink,**
... ... @@ -789,11 +789,12 @@
789 789  **Example**: 0x08FF, ask device to send an Uplink
790 790  
791 791  
795 +
792 792  ==== 3.4.2.4 Enable Trigger Mode ====
793 793  
794 794  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
795 795  
796 -* AT Command:
800 +* (% style="color:#037691" %)AT Command:
797 797  
798 798  (% class="box infomessage" %)
799 799  (((
... ... @@ -804,8 +804,9 @@
804 804  
805 805  0: Disable Trigger Mode
806 806  
807 -* Downlink Payload (prefix 0x0A 06):
808 808  
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
813 +
809 809  (% class="box infomessage" %)
810 810  (((
811 811  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
... ... @@ -812,16 +812,18 @@
812 812  )))
813 813  
814 814  
820 +
815 815  ==== 3.4.2.5 Poll trigger settings ====
816 816  
817 817  Poll trigger settings,
818 818  
819 -* AT Command:
825 +* (% style="color:#037691" %)AT Command:
820 820  
821 821  There is no AT Command for this feature.
822 822  
823 -* Downlink Payload (prefix 0x AB 06):
824 824  
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
831 +
825 825  (% class="box infomessage" %)
826 826  (((
827 827  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
... ... @@ -828,11 +828,12 @@
828 828  )))
829 829  
830 830  
838 +
831 831  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
832 832  
833 833  Enable Disable DI1/DI2/DI2 as trigger,
834 834  
835 -* AT Command:
843 +* (% style="color:#037691" %)AT Command:
836 836  
837 837  (% class="box infomessage" %)
838 838  (((
... ... @@ -839,11 +839,12 @@
839 839  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
840 840  )))
841 841  
850 +
842 842  **Example:**
843 843  
844 844  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
845 845  
846 -* Downlink Payload (prefix 0xAA 02):
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
847 847  
848 848  (% class="box infomessage" %)
849 849  (((
... ... @@ -851,11 +851,12 @@
851 851  )))
852 852  
853 853  
863 +
854 854  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
855 855  
856 856  Set DI1 or DI3(for LT-33222-L) trigger.
857 857  
858 -* AT Command:
868 +* (% style="color:#037691" %)AT Command:
859 859  
860 860  (% class="box infomessage" %)
861 861  (((
... ... @@ -866,12 +866,14 @@
866 866  
867 867  b : delay timing.
868 868  
879 +
869 869  **Example:**
870 870  
871 871  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
872 872  
873 -* Downlink Payload (prefix 0x09 01 ):
874 874  
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
886 +
875 875  (% class="box infomessage" %)
876 876  (((
877 877  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
... ... @@ -878,11 +878,12 @@
878 878  )))
879 879  
880 880  
893 +
881 881  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
882 882  
883 883  Set DI2 trigger.
884 884  
885 -* AT Command:
898 +* (% style="color:#037691" %)AT Command:
886 886  
887 887  (% class="box infomessage" %)
888 888  (((
... ... @@ -893,12 +893,14 @@
893 893  
894 894  b : delay timing.
895 895  
909 +
896 896  **Example:**
897 897  
898 898  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
899 899  
900 -* Downlink Payload (prefix 0x09 02 ):
901 901  
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
916 +
902 902  (% class="box infomessage" %)
903 903  (((
904 904  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
... ... @@ -905,11 +905,12 @@
905 905  )))
906 906  
907 907  
923 +
908 908  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
909 909  
910 910  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
911 911  
912 -* AT Command:
928 +* (% style="color:#037691" %)AT Command:
913 913  
914 914  (% class="box infomessage" %)
915 915  (((
... ... @@ -916,8 +916,9 @@
916 916  **AT+ACLIM. **
917 917  )))
918 918  
919 -* Downlink Payload (prefix 0xAA 01 ):
920 920  
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
937 +
921 921  (% class="box infomessage" %)
922 922  (((
923 923  **0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
... ... @@ -924,11 +924,12 @@
924 924  )))
925 925  
926 926  
944 +
927 927  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
928 928  
929 929  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
930 930  
931 -* AT Command:
949 +* (% style="color:#037691" %)AT Command:
932 932  
933 933  (% class="box infomessage" %)
934 934  (((
... ... @@ -935,8 +935,9 @@
935 935  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
936 936  )))
937 937  
938 -* Downlink Payload (prefix 0xAA 00 ):
939 939  
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
958 +
940 940  (% class="box infomessage" %)
941 941  (((
942 942  **0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
... ... @@ -943,11 +943,12 @@
943 943  )))
944 944  
945 945  
965 +
946 946  ==== 3.4.2.11 Trigger – Set minimum interval ====
947 947  
948 948  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
949 949  
950 -* AT Command:
970 +* (% style="color:#037691" %)AT Command:
951 951  
952 952  (% class="box infomessage" %)
953 953  (((
... ... @@ -954,8 +954,9 @@
954 954  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
955 955  )))
956 956  
957 -* Downlink Payload (prefix 0xAC ):
958 958  
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
979 +
959 959  (% class="box infomessage" %)
960 960  (((
961 961  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
... ... @@ -962,14 +962,16 @@
962 962  )))
963 963  
964 964  
986 +
965 965  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
966 966  
967 -* AT Command:
989 +* (% style="color:#037691" %)AT Command:
968 968  
969 969  There is no AT Command to control Digital Output
970 970  
971 -* Downlink Payload (prefix 0x02):
972 972  
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
995 +
973 973  (% class="box infomessage" %)
974 974  (((
975 975  **0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
... ... @@ -994,14 +994,16 @@
994 994  )))
995 995  
996 996  
1020 +
997 997  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
998 998  
999 -* AT Command:
1023 +* (% style="color:#037691" %)AT Command:
1000 1000  
1001 1001  There is no AT Command to control Digital Output
1002 1002  
1003 -* Downlink Payload (prefix 0xA9):
1004 1004  
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1029 +
1005 1005  (% class="box infomessage" %)
1006 1006  (((
1007 1007  (((
... ... @@ -1019,18 +1019,22 @@
1019 1019  
1020 1020  00: DO pins will change to an inverter state after timeout 
1021 1021  
1047 +
1022 1022  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1023 1023  
1024 1024  [[image:image-20220524093238-6.png]]
1025 1025  
1052 +
1026 1026  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1027 1027  
1028 1028  [[image:image-20220524093328-7.png]]
1029 1029  
1057 +
1030 1030  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1031 1031  
1032 1032  [[image:image-20220524093351-8.png]]
1033 1033  
1062 +
1034 1034  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1035 1035  
1036 1036   Latching time. Unit: ms
... ... @@ -1037,6 +1037,7 @@
1037 1037  
1038 1038  Device will upload a packet if downlink code executes successfully.
1039 1039  
1069 +
1040 1040  **Example payload:**
1041 1041  
1042 1042  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1056,14 +1056,16 @@
1056 1056  DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
1057 1057  
1058 1058  
1059 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1060 1060  
1061 -* AT Command:
1090 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1062 1062  
1092 +* (% style="color:#037691" %)AT Command:
1093 +
1063 1063  There is no AT Command to control Relay Output
1064 1064  
1065 -* Downlink Payload (prefix 0x03):
1066 1066  
1097 +* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1098 +
1067 1067  (% class="box infomessage" %)
1068 1068  (((
1069 1069  **0x03 aa bb     ~/~/ Set RO1/RO2 output**
... ... @@ -1084,14 +1084,16 @@
1084 1084  Device will upload a packet if downlink code executes successfully.
1085 1085  
1086 1086  
1119 +
1087 1087  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1088 1088  
1089 -* AT Command:
1122 +* (% style="color:#037691" %)AT Command:
1090 1090  
1091 1091  There is no AT Command to control Relay Output
1092 1092  
1093 -* Downlink Payload (prefix 0x05):
1094 1094  
1127 +* (% style="color:#037691" %)Downlink Payload (prefix 0x05):
1128 +
1095 1095  (% class="box infomessage" %)
1096 1096  (((
1097 1097  **0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
... ... @@ -1107,14 +1107,17 @@
1107 1107  
1108 1108  00: Relays will change to an inverter state after timeout
1109 1109  
1144 +
1110 1110  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1111 1111  
1112 1112  [[image:image-20220524093831-10.png]]
1113 1113  
1149 +
1114 1114  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1115 1115  
1116 1116  Device will upload a packet if downlink code executes successfully.
1117 1117  
1154 +
1118 1118  **Example payload:**
1119 1119  
1120 1120  **~1. 05 01 11 07 D0**
... ... @@ -1134,11 +1134,12 @@
1134 1134  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1135 1135  
1136 1136  
1174 +
1137 1137  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1138 1138  
1139 1139  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1140 1140  
1141 -* AT Command:
1179 +* (% style="color:#037691" %)AT Command:
1142 1142  
1143 1143  (% class="box infomessage" %)
1144 1144  (((
... ... @@ -1145,8 +1145,9 @@
1145 1145  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1146 1146  )))
1147 1147  
1148 -* Downlink Payload (prefix 0xA5):
1149 1149  
1187 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA5):
1188 +
1150 1150  (% class="box infomessage" %)
1151 1151  (((
1152 1152  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
... ... @@ -1153,9 +1153,10 @@
1153 1153  )))
1154 1154  
1155 1155  
1195 +
1156 1156  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1157 1157  
1158 -* AT Command:
1198 +* (% style="color:#037691" %)AT Command:
1159 1159  
1160 1160  (% class="box infomessage" %)
1161 1161  (((
... ... @@ -1170,8 +1170,9 @@
1170 1170  
1171 1171  Bb cc dd ee: number to be set
1172 1172  
1173 -* Downlink Payload (prefix 0xA8):
1174 1174  
1214 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA8):
1215 +
1175 1175  (% class="box infomessage" %)
1176 1176  (((
1177 1177  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
... ... @@ -1178,11 +1178,12 @@
1178 1178  )))
1179 1179  
1180 1180  
1222 +
1181 1181  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1182 1182  
1183 1183  Clear counting for counting mode
1184 1184  
1185 -* AT Command:
1227 +* (% style="color:#037691" %)AT Command:
1186 1186  
1187 1187  (% class="box infomessage" %)
1188 1188  (((
... ... @@ -1189,7 +1189,7 @@
1189 1189  **AT+CLRCOUNT ~/~/ clear all counting**
1190 1190  )))
1191 1191  
1192 -* Downlink Payload (prefix 0xA6):
1234 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA6):
1193 1193  
1194 1194  (% class="box infomessage" %)
1195 1195  (((
... ... @@ -1197,9 +1197,10 @@
1197 1197  )))
1198 1198  
1199 1199  
1242 +
1200 1200  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1201 1201  
1202 -* AT Command:
1245 +* (% style="color:#037691" %)AT Command:
1203 1203  
1204 1204  (% class="box infomessage" %)
1205 1205  (((
... ... @@ -1206,7 +1206,7 @@
1206 1206  **AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1207 1207  )))
1208 1208  
1209 -* Downlink Payload (prefix 0xA7):
1252 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA7):
1210 1210  
1211 1211  (% class="box infomessage" %)
1212 1212  (((
... ... @@ -1219,16 +1219,17 @@
1219 1219  
1220 1220  )))
1221 1221  
1265 +
1222 1222  == 3.5 Integrate with Mydevice ==
1223 1223  
1224 1224  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1225 1225  
1226 1226  (((
1227 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1271 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1228 1228  )))
1229 1229  
1230 1230  (((
1231 -**Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1275 +(% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1232 1232  )))
1233 1233  
1234 1234  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1235,12 +1235,13 @@
1235 1235  
1236 1236  [[image:image-20220524094641-11.png||height="390" width="723"]]
1237 1237  
1282 +
1238 1238  [[image:image-20220524094641-12.png||height="402" width="718"]]
1239 1239  
1240 1240  
1241 -**Step 3**: Create an account or log in Mydevices.
1286 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1242 1242  
1243 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1288 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1244 1244  
1245 1245  Search under The things network
1246 1246  
... ... @@ -1247,19 +1247,25 @@
1247 1247  [[image:1653356838789-523.png||height="337" width="740"]]
1248 1248  
1249 1249  
1295 +
1250 1250  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1251 1251  
1252 1252  [[image:image-20220524094909-1.png||height="335" width="729"]]
1253 1253  
1300 +
1254 1254  [[image:image-20220524094909-2.png||height="337" width="729"]]
1255 1255  
1303 +
1256 1256  [[image:image-20220524094909-3.png||height="338" width="727"]]
1257 1257  
1306 +
1258 1258  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1259 1259  
1309 +
1260 1260  [[image:image-20220524094909-5.png||height="341" width="734"]]
1261 1261  
1262 1262  
1313 +
1263 1263  == 3.6 Interface Detail ==
1264 1264  
1265 1265  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1269,6 +1269,7 @@
1269 1269  [[image:1653356991268-289.png]]
1270 1270  
1271 1271  
1323 +
1272 1272  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1273 1273  
1274 1274  (((
... ... @@ -1294,7 +1294,7 @@
1294 1294  )))
1295 1295  
1296 1296  (((
1297 -**Example1**: Connect to a Low active sensor.
1349 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1298 1298  )))
1299 1299  
1300 1300  (((
... ... @@ -1325,7 +1325,7 @@
1325 1325  )))
1326 1326  
1327 1327  (((
1328 -**Example2**: Connect to a High active sensor.
1380 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1329 1329  )))
1330 1330  
1331 1331  (((
... ... @@ -1356,7 +1356,7 @@
1356 1356  )))
1357 1357  
1358 1358  (((
1359 -**Example3**: Connect to a 220v high active sensor.
1411 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1360 1360  )))
1361 1361  
1362 1362  (((
... ... @@ -1383,6 +1383,7 @@
1383 1383  )))
1384 1384  
1385 1385  
1438 +
1386 1386  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1387 1387  
1388 1388  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1390,12 +1390,14 @@
1390 1390  [[image:1653357531600-905.png]]
1391 1391  
1392 1392  
1446 +
1393 1393  === 3.6.4 Analog Input Interface ===
1394 1394  
1395 1395  The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
1396 1396  
1397 -**AC2 = (IN2 voltage )/12**
1398 1398  
1452 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1453 +
1399 1399  [[image:1653357592296-182.png]]
1400 1400  
1401 1401  Example to connect a 4~~20mA sensor
... ... @@ -1402,22 +1402,24 @@
1402 1402  
1403 1403  We take the wind speed sensor as an example for reference only.
1404 1404  
1405 -Specifications of the wind speed sensor:
1406 1406  
1407 -Red:12~~24v
1461 +**Specifications of the wind speed sensor:**
1408 1408  
1409 -Yellow:4~~20mA
1463 +Red:  12~~24v
1410 1410  
1411 -Black:GND
1465 +Yellow:  4~~20mA
1412 1412  
1467 +Black:  GND
1413 1413  
1414 -Connection diagram:
1415 1415  
1470 +**Connection diagram:**
1471 +
1416 1416  [[image:1653357640609-758.png]]
1417 1417  
1418 1418  [[image:1653357648330-671.png||height="155" width="733"]]
1419 1419  
1420 1420  
1477 +
1421 1421  === 3.6.5 Relay Output ===
1422 1422  
1423 1423  (((
... ... @@ -1429,6 +1429,7 @@
1429 1429  [[image:image-20220524100215-10.png||height="382" width="723"]]
1430 1430  
1431 1431  
1489 +
1432 1432  == 3.7 LEDs Indicators ==
1433 1433  
1434 1434  [[image:image-20220524100748-11.png]]
... ... @@ -1442,6 +1442,7 @@
1442 1442  
1443 1443  [[image:1653358238933-385.png]]
1444 1444  
1503 +
1445 1445  (((
1446 1446  In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1447 1447  )))
... ... @@ -1448,6 +1448,7 @@
1448 1448  
1449 1449  [[image:1653358355238-883.png]]
1450 1450  
1510 +
1451 1451  (((
1452 1452  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1453 1453  )))
... ... @@ -1638,12 +1638,16 @@
1638 1638  
1639 1639  )))
1640 1640  
1701 +
1702 +
1641 1641  == 4.2 Common AT Command Sequence ==
1642 1642  
1643 1643  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1644 1644  
1645 1645  (((
1646 -If device has not joined network yet:
1708 +
1709 +
1710 +**If device has not joined network yet:**
1647 1647  )))
1648 1648  
1649 1649  (((
... ... @@ -1668,7 +1668,7 @@
1668 1668  
1669 1669  
1670 1670  (((
1671 -If device already joined network:
1735 +**If device already joined network:**
1672 1672  )))
1673 1673  
1674 1674  (((
... ... @@ -1681,10 +1681,14 @@
1681 1681  
1682 1682  )))
1683 1683  
1748 +
1749 +
1684 1684  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1685 1685  
1686 1686  (((
1687 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1753 +
1754 +
1755 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1688 1688  )))
1689 1689  
1690 1690  (((
... ... @@ -1692,7 +1692,7 @@
1692 1692  )))
1693 1693  
1694 1694  (((
1695 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1763 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1696 1696  )))
1697 1697  
1698 1698  (((
... ... @@ -1700,39 +1700,41 @@
1700 1700  )))
1701 1701  
1702 1702  (((
1703 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1771 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1704 1704  )))
1705 1705  
1706 1706  (((
1707 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1775 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1708 1708  )))
1709 1709  
1710 1710  (((
1711 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1779 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1712 1712  )))
1713 1713  
1714 1714  (((
1715 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1783 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1716 1716  )))
1717 1717  
1718 1718  (((
1719 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1787 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1720 1720  )))
1721 1721  
1722 1722  (((
1723 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1791 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1724 1724  )))
1725 1725  
1726 1726  (((
1727 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1795 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1728 1728  )))
1729 1729  
1730 1730  (((
1731 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1799 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1732 1732  )))
1733 1733  
1734 1734  (((
1735 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1803 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1804 +
1805 +
1736 1736  )))
1737 1737  
1738 1738  (((
... ... @@ -1754,6 +1754,7 @@
1754 1754  
1755 1755  )))
1756 1756  
1827 +
1757 1757  === 4.2.3 Change to Class A ===
1758 1758  
1759 1759  If sensor JOINED
... ... @@ -1765,19 +1765,25 @@
1765 1765  
1766 1766  == 5.1 How to upgrade the image? ==
1767 1767  
1839 +
1768 1768  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1769 1769  
1770 1770  * Support new features
1771 1771  * For bug fix
1772 1772  * Change LoRaWAN bands.
1845 +
1773 1773  Below shows the hardware connection for how to upload an image to the LT:
1774 -* [[image:1653359603330-121.png]]
1775 1775  
1848 +[[image:1653359603330-121.png]]
1849 +
1850 +
1776 1776  (((
1777 -**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]].
1778 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1779 -**Step3: **Open flashloader; choose the correct COM port to update.
1780 -**For LT-22222-L**:
1852 +(% 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]].
1853 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1854 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1855 +
1856 +
1857 +(% style="color:blue" %)**For LT-22222-L**(%%):
1781 1781  Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1782 1782  )))
1783 1783  
... ... @@ -1787,6 +1787,7 @@
1787 1787  
1788 1788  [[image:image-20220524104033-15.png]]
1789 1789  
1867 +
1790 1790  (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1791 1791  
1792 1792  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1794,6 +1794,8 @@
1794 1794  
1795 1795  (((
1796 1796  (((
1875 +
1876 +
1797 1797  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1798 1798  )))
1799 1799  )))
... ... @@ -1800,11 +1800,11 @@
1800 1800  
1801 1801  (((
1802 1802  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1803 -
1804 -
1805 1805  )))
1806 1806  
1807 1807  (((
1886 +
1887 +
1808 1808  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1809 1809  )))
1810 1810  
... ... @@ -1817,6 +1817,8 @@
1817 1817  (((
1818 1818  (((
1819 1819  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1900 +
1901 +
1820 1820  )))
1821 1821  )))
1822 1822  
... ... @@ -1832,23 +1832,25 @@
1832 1832  (% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
1833 1833  )))
1834 1834  
1917 +
1835 1835  (((
1836 1836  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1837 1837  )))
1838 1838  
1839 1839  (((
1840 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1841 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1842 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1843 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1844 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1845 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1846 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1847 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1848 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1849 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1923 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1924 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1925 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1926 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1927 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1928 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1929 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1930 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1931 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1932 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1850 1850  )))
1851 1851  
1935 +
1852 1852  (((
1853 1853  As shown in below:
1854 1854  )))
... ... @@ -1865,11 +1865,19 @@
1865 1865  == 5.5 Can i use point to point communication for LT-22222-L? ==
1866 1866  
1867 1867  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1868 -
1869 -
1870 1870  )))
1871 1871  
1872 1872  (((
1955 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1956 +
1957 +If the device is not shut down, but directly powered off.
1958 +
1959 +It will default that this is a power-off state.
1960 +
1961 +In modes 2 to 5, DO RO status and pulse count are saved in flash.
1962 +
1963 +After restart, the status before power failure will be read from flash.
1964 +
1873 1873  = 6. Trouble Shooting =
1874 1874  )))
1875 1875  
... ... @@ -1881,11 +1881,11 @@
1881 1881  
1882 1882  (((
1883 1883  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1884 -
1885 -
1886 1886  )))
1887 1887  
1888 1888  (((
1979 +
1980 +
1889 1889  == 6.2 Have trouble to upload image. ==
1890 1890  )))
1891 1891  
... ... @@ -1895,9 +1895,7 @@
1895 1895  
1896 1896  (((
1897 1897  
1898 -)))
1899 1899  
1900 -(((
1901 1901  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1902 1902  )))
1903 1903  
... ... @@ -1905,147 +1905,55 @@
1905 1905  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1906 1906  )))
1907 1907  
1908 -(((
1909 -
1910 -)))
1911 1911  
1912 -(((
1999 +
1913 1913  = 7. Order Info =
1914 -)))
1915 1915  
1916 -(((
1917 -(((
2002 +
1918 1918  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1919 -)))
1920 -)))
1921 1921  
1922 -(((
1923 -(((
2005 +
1924 1924  (% style="color:#4f81bd" %)**XXX:**
1925 -)))
1926 -)))
1927 1927  
1928 -(((
1929 -* (((
1930 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1931 -)))
1932 -)))
2008 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2009 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2010 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2011 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2012 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2013 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2014 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2015 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2016 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1933 1933  
1934 -(((
1935 -* (((
1936 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1937 -)))
1938 -)))
1939 -
1940 -(((
1941 -* (((
1942 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1943 -)))
1944 -)))
1945 -
1946 -(((
1947 -* (((
1948 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1949 -)))
1950 -)))
1951 -
1952 -(((
1953 -* (((
1954 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1955 -)))
1956 -)))
1957 -
1958 -(((
1959 -* (((
1960 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1961 -)))
1962 -)))
1963 -
1964 -(((
1965 -* (((
1966 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1967 -)))
1968 -)))
1969 -
1970 -(((
1971 -* (((
1972 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1973 -)))
1974 -)))
1975 -
1976 -(((
1977 -* (((
1978 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1979 -
1980 -
1981 -)))
1982 -
1983 1983  = 8. Packing Info =
1984 -)))
1985 1985  
1986 -(((
1987 -(((
2020 +
1988 1988  **Package Includes**:
1989 -)))
1990 -)))
1991 1991  
1992 -(((
1993 -(((
1994 1994  * LT-22222-L I/O Controller x 1
1995 1995  * Stick Antenna for LoRa RF part x 1
1996 1996  * Bracket for controller x1
1997 1997  * Program cable x 1
1998 -)))
1999 -)))
2000 2000  
2001 -(((
2002 -(((
2003 2003  **Dimension and weight**:
2004 -)))
2005 -)))
2006 2006  
2007 -(((
2008 -(((
2009 2009  * Device Size: 13.5 x 7 x 3 cm
2010 2010  * Device Weight: 105g
2011 2011  * Package Size / pcs : 14.5 x 8 x 5 cm
2012 2012  * Weight / pcs : 170g
2013 2013  
2014 -
2015 -)))
2016 -)))
2017 -
2018 -(((
2019 2019  = 9. Support =
2020 -)))
2021 2021  
2022 2022  * (((
2023 -(((
2024 2024  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.
2025 2025  )))
2026 -)))
2027 2027  * (((
2028 -(((
2029 -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
2041 +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]]
2030 2030  )))
2031 -)))
2032 2032  
2033 -(((
2034 -(((
2035 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2036 -
2037 -
2038 -)))
2039 -
2040 -(((
2041 2041  = 10. Reference​​​​​ =
2042 2042  
2043 -* Product Page:
2044 -
2045 -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]]
2046 -
2046 +* 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]]
2047 2047  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2048 2048  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2049 2049  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2050 -)))
2051 -)))