Last modified by Mengting Qiu on 2025/06/04 18:42

From version 77.31
edited by Xiaoling
on 2022/06/10 08:43
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

Details

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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  
... ... @@ -48,6 +48,7 @@
48 48  
49 49  )))
50 50  
53 +
51 51  == 1.2  Specifications ==
52 52  
53 53  (((
... ... @@ -75,8 +75,9 @@
75 75  )))
76 76  )))
77 77  
78 -
79 79  (((
82 +
83 +
80 80  **Interface for Model: LT22222-L:**
81 81  )))
82 82  
... ... @@ -99,8 +99,9 @@
99 99  Power Input 7~~ 24V DC. 
100 100  )))
101 101  
102 -
103 103  (((
107 +
108 +
104 104  **LoRa Spec:**
105 105  )))
106 106  
... ... @@ -161,11 +161,11 @@
161 161  * (((
162 162  Packet engine up to 256 bytes with CRC.
163 163  
169 +
170 +
164 164  
165 165  )))
166 166  
167 -
168 -
169 169  == 1.3 Features ==
170 170  
171 171  * LoRaWAN Class A & Class C protocol
... ... @@ -203,7 +203,6 @@
203 203  )))
204 204  
205 205  
206 -
207 207  = 2. Power ON Device =
208 208  
209 209  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.
... ... @@ -226,12 +226,9 @@
226 226  
227 227  (((
228 228  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.
229 -
230 -
231 231  )))
232 232  
233 233  
234 -
235 235  == 3.2 Example to join LoRaWAN network ==
236 236  
237 237  (((
... ... @@ -240,12 +240,13 @@
240 240  
241 241  [[image:image-20220523172350-1.png||height="266" width="864"]]
242 242  
244 +
243 243  (((
244 244  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:
245 245  )))
246 246  
247 247  (((
248 -**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.
249 249  )))
250 250  
251 251  (((
... ... @@ -254,6 +254,7 @@
254 254  
255 255  [[image:1653297924498-393.png]]
256 256  
259 +
257 257  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
258 258  
259 259  Add APP EUI in the application.
... ... @@ -267,7 +267,7 @@
267 267  
268 268  
269 269  (((
270 -**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.
271 271  )))
272 272  
273 273  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -294,6 +294,8 @@
294 294  [[image:image-20220523174024-3.png]]
295 295  
296 296  (((
300 +
301 +
297 297  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
298 298  )))
299 299  
... ... @@ -307,6 +307,7 @@
307 307  
308 308  For example if payload is: [[image:image-20220523175847-2.png]]
309 309  
315 +
310 310  **The value for the interface is:  **
311 311  
312 312  AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
... ... @@ -322,7 +322,6 @@
322 322  * [1] RO1 relay channel is close and the RO1 LED is ON.
323 323  * [0] RO2 relay channel is open and RO2 LED is OFF;
324 324  
325 -
326 326  **LT22222-L:**
327 327  
328 328  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -342,6 +342,7 @@
342 342  
343 343  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
344 344  
350 +
345 345  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
346 346  
347 347  (((
... ... @@ -350,6 +350,7 @@
350 350  
351 351  [[image:image-20220523180452-3.png]]
352 352  
359 +
353 353  (((
354 354  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
355 355  )))
... ... @@ -365,6 +365,8 @@
365 365  )))
366 366  
367 367  (((
375 +
376 +
368 368  **To use counting mode, please run:**
369 369  )))
370 370  
... ... @@ -372,17 +372,14 @@
372 372  (((
373 373  (((
374 374  **AT+MOD=2**
375 -)))
376 -)))
377 377  
378 -(% class="box infomessage" %)
379 -(((
380 -(((
381 381  **ATZ**
382 382  )))
383 383  )))
384 384  
385 385  (((
390 +
391 +
386 386  (% style="color:#4f81bd" %)**AT Commands for counting:**
387 387  )))
388 388  
... ... @@ -394,40 +394,15 @@
394 394  (((
395 395  (((
396 396  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
397 -)))
398 -)))
399 399  
400 -(% class="box infomessage" %)
401 -(((
402 -(((
403 403  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
404 -)))
405 -)))
406 406  
407 -(% class="box infomessage" %)
408 -(((
409 -(((
410 410  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
411 -)))
412 -)))
413 413  
414 -(% class="box infomessage" %)
415 -(((
416 -(((
417 417  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
418 -)))
419 -)))
420 420  
421 -(% class="box infomessage" %)
422 -(((
423 -(((
424 424  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
425 -)))
426 -)))
427 427  
428 -(% class="box infomessage" %)
429 -(((
430 -(((
431 431  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
432 432  )))
433 433  )))
... ... @@ -462,12 +462,7 @@
462 462  (((
463 463  (((
464 464  **AT+MOD=3**
465 -)))
466 -)))
467 467  
468 -(% class="box infomessage" %)
469 -(((
470 -(((
471 471  **ATZ**
472 472  )))
473 473  )))
... ... @@ -474,8 +474,6 @@
474 474  
475 475  (((
476 476  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
477 -
478 -
479 479  )))
480 480  
481 481  
... ... @@ -482,6 +482,7 @@
482 482  
483 483  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
484 484  
459 +
485 485  **LT22222-L**: This mode the DI1 is used as a counting pin.
486 486  
487 487  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.
... ... @@ -488,6 +488,7 @@
488 488  
489 489  [[image:image-20220523181903-8.png]]
490 490  
466 +
491 491  (((
492 492  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
493 493  )))
... ... @@ -503,6 +503,8 @@
503 503  )))
504 504  
505 505  (((
482 +
483 +
506 506  **To use this mode, please run:**
507 507  )))
508 508  
... ... @@ -510,25 +510,20 @@
510 510  (((
511 511  (((
512 512  **AT+MOD=4**
513 -)))
514 -)))
515 515  
516 -(% class="box infomessage" %)
517 -(((
518 -(((
519 519  **ATZ**
520 520  )))
521 521  )))
522 522  
523 -(((
524 -
525 -)))
526 526  
497 +
527 527  (((
528 528  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
529 529  )))
530 530  
531 531  (((
503 +
504 +
532 532  **Plus below command for AVI1 Counting:**
533 533  )))
534 534  
... ... @@ -535,40 +535,27 @@
535 535  (% class="box infomessage" %)
536 536  (((
537 537  (((
538 -**AT+SETCNT=3,60   (set AVI Count to 60)**
539 -)))
540 -)))
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
541 541  
542 -(% class="box infomessage" %)
543 -(((
544 -(((
545 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
546 -)))
547 -)))
513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
548 548  
549 -(% class="box infomessage" %)
550 -(((
551 -(((
552 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
553 -)))
554 -)))
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
555 555  
556 -(% class="box infomessage" %)
557 -(((
558 -(((
559 -**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)**
560 560  )))
561 561  )))
562 562  
563 563  
564 -
565 565  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
566 566  
524 +
567 567  **LT22222-L**: This mode the DI1 is used as a counting pin.
568 568  
569 569  [[image:image-20220523182334-9.png]]
570 570  
571 571  (((
530 +
531 +
572 572  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
573 573  )))
574 574  
... ... @@ -583,6 +583,8 @@
583 583  )))
584 584  
585 585  (((
546 +
547 +
586 586  **To use this mode, please run:**
587 587  )))
588 588  
... ... @@ -590,12 +590,7 @@
590 590  (((
591 591  (((
592 592  **AT+MOD=5**
593 -)))
594 -)))
595 595  
596 -(% class="box infomessage" %)
597 -(((
598 -(((
599 599  **ATZ**
600 600  )))
601 601  )))
... ... @@ -602,8 +602,6 @@
602 602  
603 603  (((
604 604  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
605 -
606 -
607 607  )))
608 608  
609 609  
... ... @@ -610,6 +610,7 @@
610 610  
611 611  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
612 612  
568 +
613 613  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
614 614  
615 615  For example, if user has configured below commands:
... ... @@ -622,7 +622,7 @@
622 622  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
623 623  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.**
624 624  
625 -**AT Command to set Trigger Condition**:
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
626 626  
627 627  (% style="color:#4f81bd" %)**Trigger base on voltage**:
628 628  
... ... @@ -635,6 +635,7 @@
635 635  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
636 636  
637 637  
594 +
638 638  (% style="color:#4f81bd" %)**Trigger base on current**:
639 639  
640 640  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -644,6 +644,7 @@
644 644  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
645 645  
646 646  
604 +
647 647  (% style="color:#4f81bd" %)**Trigger base on DI status**:
648 648  
649 649  DI status trigger Flag.
... ... @@ -650,12 +650,13 @@
650 650  
651 651  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
652 652  
611 +
653 653  **Example:**
654 654  
655 655  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
656 656  
657 657  
658 -**Downlink Command to set Trigger Condition**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
659 659  
660 660  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
661 661  
... ... @@ -673,14 +673,18 @@
673 673  
674 674   Yy4 yy4: AC2 or AV2 high limit.
675 675  
635 +
676 676  **Example1**: AA 00 13 88 00 00 00 00 00 00
677 677  
678 678  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
679 679  
640 +
680 680  **Example2**: AA 02 01 00
681 681  
682 682  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
683 683  
645 +
646 +
684 684  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
685 685  
686 686  MOD6 Payload : total 11 bytes payload
... ... @@ -687,6 +687,7 @@
687 687  
688 688  [[image:image-20220524085923-1.png]]
689 689  
653 +
690 690  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
691 691  
692 692  [[image:image-20220524090106-2.png]]
... ... @@ -735,6 +735,8 @@
735 735  === 3.3.7 Payload Decoder ===
736 736  
737 737  (((
702 +
703 +
738 738  **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/]]
739 739  
740 740  
... ... @@ -741,7 +741,6 @@
741 741  )))
742 742  
743 743  
744 -
745 745  == 3.4 ​Configure LT via AT or Downlink ==
746 746  
747 747  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -768,7 +768,7 @@
768 768  
769 769  Set device uplink interval.
770 770  
771 -* AT Command:
736 +* (% style="color:#037691" %)**AT Command:**
772 772  
773 773  (% class="box infomessage" %)
774 774  (((
... ... @@ -777,8 +777,9 @@
777 777  
778 778  **Example: **AT+TDC=30000. Means set interval to 30 seconds
779 779  
780 -* Downlink Payload (prefix 0x01):
781 781  
746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
747 +
782 782  (% class="box infomessage" %)
783 783  (((
784 784  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
... ... @@ -790,7 +790,7 @@
790 790  
791 791  Set work mode.
792 792  
793 -* AT Command:
759 +* (% style="color:#037691" %)**AT Command:**
794 794  
795 795  (% class="box infomessage" %)
796 796  (((
... ... @@ -799,8 +799,9 @@
799 799  
800 800  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
801 801  
802 -* Downlink Payload (prefix 0x0A):
803 803  
769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
770 +
804 804  (% class="box infomessage" %)
805 805  (((
806 806  **0x0A aa     ~/~/ Same as AT+MOD=aa**
... ... @@ -810,12 +810,13 @@
810 810  
811 811  ==== 3.4.2.3 Poll an uplink ====
812 812  
813 -* AT Command:
780 +* (% style="color:#037691" %)AT Command:
814 814  
815 815  There is no AT Command to poll uplink
816 816  
817 -* Downlink Payload (prefix 0x08):
818 818  
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
786 +
819 819  (% class="box infomessage" %)
820 820  (((
821 821  **0x08 FF     ~/~/ Poll an uplink,**
... ... @@ -829,7 +829,7 @@
829 829  
830 830  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
831 831  
832 -* AT Command:
800 +* (% style="color:#037691" %)AT Command:
833 833  
834 834  (% class="box infomessage" %)
835 835  (((
... ... @@ -840,8 +840,9 @@
840 840  
841 841  0: Disable Trigger Mode
842 842  
843 -* Downlink Payload (prefix 0x0A 06):
844 844  
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
813 +
845 845  (% class="box infomessage" %)
846 846  (((
847 847  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
... ... @@ -853,12 +853,13 @@
853 853  
854 854  Poll trigger settings,
855 855  
856 -* AT Command:
825 +* (% style="color:#037691" %)AT Command:
857 857  
858 858  There is no AT Command for this feature.
859 859  
860 -* Downlink Payload (prefix 0x AB 06):
861 861  
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
831 +
862 862  (% class="box infomessage" %)
863 863  (((
864 864  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
... ... @@ -870,7 +870,7 @@
870 870  
871 871  Enable Disable DI1/DI2/DI2 as trigger,
872 872  
873 -* AT Command:
843 +* (% style="color:#037691" %)AT Command:
874 874  
875 875  (% class="box infomessage" %)
876 876  (((
... ... @@ -877,11 +877,12 @@
877 877  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
878 878  )))
879 879  
850 +
880 880  **Example:**
881 881  
882 882  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
883 883  
884 -* Downlink Payload (prefix 0xAA 02):
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
885 885  
886 886  (% class="box infomessage" %)
887 887  (((
... ... @@ -894,7 +894,7 @@
894 894  
895 895  Set DI1 or DI3(for LT-33222-L) trigger.
896 896  
897 -* AT Command:
868 +* (% style="color:#037691" %)AT Command:
898 898  
899 899  (% class="box infomessage" %)
900 900  (((
... ... @@ -905,12 +905,14 @@
905 905  
906 906  b : delay timing.
907 907  
879 +
908 908  **Example:**
909 909  
910 910  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
911 911  
912 -* Downlink Payload (prefix 0x09 01 ):
913 913  
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
886 +
914 914  (% class="box infomessage" %)
915 915  (((
916 916  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
... ... @@ -922,7 +922,7 @@
922 922  
923 923  Set DI2 trigger.
924 924  
925 -* AT Command:
898 +* (% style="color:#037691" %)AT Command:
926 926  
927 927  (% class="box infomessage" %)
928 928  (((
... ... @@ -933,12 +933,14 @@
933 933  
934 934  b : delay timing.
935 935  
909 +
936 936  **Example:**
937 937  
938 938  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
939 939  
940 -* Downlink Payload (prefix 0x09 02 ):
941 941  
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
916 +
942 942  (% class="box infomessage" %)
943 943  (((
944 944  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
... ... @@ -950,7 +950,7 @@
950 950  
951 951  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
952 952  
953 -* AT Command:
928 +* (% style="color:#037691" %)AT Command:
954 954  
955 955  (% class="box infomessage" %)
956 956  (((
... ... @@ -957,8 +957,9 @@
957 957  **AT+ACLIM. **
958 958  )))
959 959  
960 -* Downlink Payload (prefix 0xAA 01 ):
961 961  
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
937 +
962 962  (% class="box infomessage" %)
963 963  (((
964 964  **0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
... ... @@ -970,7 +970,7 @@
970 970  
971 971  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
972 972  
973 -* AT Command:
949 +* (% style="color:#037691" %)AT Command:
974 974  
975 975  (% class="box infomessage" %)
976 976  (((
... ... @@ -977,8 +977,9 @@
977 977  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
978 978  )))
979 979  
980 -* Downlink Payload (prefix 0xAA 00 ):
981 981  
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
958 +
982 982  (% class="box infomessage" %)
983 983  (((
984 984  **0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
... ... @@ -990,7 +990,7 @@
990 990  
991 991  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
992 992  
993 -* AT Command:
970 +* (% style="color:#037691" %)AT Command:
994 994  
995 995  (% class="box infomessage" %)
996 996  (((
... ... @@ -997,8 +997,9 @@
997 997  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
998 998  )))
999 999  
1000 -* Downlink Payload (prefix 0xAC ):
1001 1001  
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
979 +
1002 1002  (% class="box infomessage" %)
1003 1003  (((
1004 1004  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
... ... @@ -1008,12 +1008,13 @@
1008 1008  
1009 1009  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1010 1010  
1011 -* AT Command:
989 +* (% style="color:#037691" %)AT Command:
1012 1012  
1013 1013  There is no AT Command to control Digital Output
1014 1014  
1015 -* Downlink Payload (prefix 0x02):
1016 1016  
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
995 +
1017 1017  (% class="box infomessage" %)
1018 1018  (((
1019 1019  **0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
... ... @@ -1041,12 +1041,13 @@
1041 1041  
1042 1042  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1043 1043  
1044 -* AT Command:
1023 +* (% style="color:#037691" %)AT Command:
1045 1045  
1046 1046  There is no AT Command to control Digital Output
1047 1047  
1048 -* Downlink Payload (prefix 0xA9):
1049 1049  
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1029 +
1050 1050  (% class="box infomessage" %)
1051 1051  (((
1052 1052  (((
... ... @@ -1064,18 +1064,22 @@
1064 1064  
1065 1065  00: DO pins will change to an inverter state after timeout 
1066 1066  
1047 +
1067 1067  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1068 1068  
1069 1069  [[image:image-20220524093238-6.png]]
1070 1070  
1052 +
1071 1071  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1072 1072  
1073 1073  [[image:image-20220524093328-7.png]]
1074 1074  
1057 +
1075 1075  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1076 1076  
1077 1077  [[image:image-20220524093351-8.png]]
1078 1078  
1062 +
1079 1079  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1080 1080  
1081 1081   Latching time. Unit: ms
... ... @@ -1082,6 +1082,7 @@
1082 1082  
1083 1083  Device will upload a packet if downlink code executes successfully.
1084 1084  
1069 +
1085 1085  **Example payload:**
1086 1086  
1087 1087  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1102,14 +1102,15 @@
1102 1102  
1103 1103  
1104 1104  
1105 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1090 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1106 1106  
1107 -* AT Command:
1092 +* (% style="color:#037691" %)AT Command:
1108 1108  
1109 1109  There is no AT Command to control Relay Output
1110 1110  
1111 -* Downlink Payload (prefix 0x03):
1112 1112  
1097 +* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1098 +
1113 1113  (% class="box infomessage" %)
1114 1114  (((
1115 1115  **0x03 aa bb     ~/~/ Set RO1/RO2 output**
... ... @@ -1133,12 +1133,13 @@
1133 1133  
1134 1134  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1135 1135  
1136 -* AT Command:
1122 +* (% style="color:#037691" %)AT Command:
1137 1137  
1138 1138  There is no AT Command to control Relay Output
1139 1139  
1140 -* Downlink Payload (prefix 0x05):
1141 1141  
1127 +* (% style="color:#037691" %)Downlink Payload (prefix 0x05):
1128 +
1142 1142  (% class="box infomessage" %)
1143 1143  (((
1144 1144  **0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
... ... @@ -1154,14 +1154,17 @@
1154 1154  
1155 1155  00: Relays will change to an inverter state after timeout
1156 1156  
1144 +
1157 1157  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1158 1158  
1159 1159  [[image:image-20220524093831-10.png]]
1160 1160  
1149 +
1161 1161  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1162 1162  
1163 1163  Device will upload a packet if downlink code executes successfully.
1164 1164  
1154 +
1165 1165  **Example payload:**
1166 1166  
1167 1167  **~1. 05 01 11 07 D0**
... ... @@ -1186,7 +1186,7 @@
1186 1186  
1187 1187  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1188 1188  
1189 -* AT Command:
1179 +* (% style="color:#037691" %)AT Command:
1190 1190  
1191 1191  (% class="box infomessage" %)
1192 1192  (((
... ... @@ -1193,8 +1193,9 @@
1193 1193  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1194 1194  )))
1195 1195  
1196 -* Downlink Payload (prefix 0xA5):
1197 1197  
1187 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA5):
1188 +
1198 1198  (% class="box infomessage" %)
1199 1199  (((
1200 1200  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
... ... @@ -1204,7 +1204,7 @@
1204 1204  
1205 1205  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1206 1206  
1207 -* AT Command:
1198 +* (% style="color:#037691" %)AT Command:
1208 1208  
1209 1209  (% class="box infomessage" %)
1210 1210  (((
... ... @@ -1219,8 +1219,9 @@
1219 1219  
1220 1220  Bb cc dd ee: number to be set
1221 1221  
1222 -* Downlink Payload (prefix 0xA8):
1223 1223  
1214 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA8):
1215 +
1224 1224  (% class="box infomessage" %)
1225 1225  (((
1226 1226  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
... ... @@ -1232,7 +1232,7 @@
1232 1232  
1233 1233  Clear counting for counting mode
1234 1234  
1235 -* AT Command:
1227 +* (% style="color:#037691" %)AT Command:
1236 1236  
1237 1237  (% class="box infomessage" %)
1238 1238  (((
... ... @@ -1239,7 +1239,7 @@
1239 1239  **AT+CLRCOUNT ~/~/ clear all counting**
1240 1240  )))
1241 1241  
1242 -* Downlink Payload (prefix 0xA6):
1234 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA6):
1243 1243  
1244 1244  (% class="box infomessage" %)
1245 1245  (((
... ... @@ -1250,7 +1250,7 @@
1250 1250  
1251 1251  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1252 1252  
1253 -* AT Command:
1245 +* (% style="color:#037691" %)AT Command:
1254 1254  
1255 1255  (% class="box infomessage" %)
1256 1256  (((
... ... @@ -1257,7 +1257,7 @@
1257 1257  **AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1258 1258  )))
1259 1259  
1260 -* Downlink Payload (prefix 0xA7):
1252 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA7):
1261 1261  
1262 1262  (% class="box infomessage" %)
1263 1263  (((
... ... @@ -1271,17 +1271,16 @@
1271 1271  )))
1272 1272  
1273 1273  
1274 -
1275 1275  == 3.5 Integrate with Mydevice ==
1276 1276  
1277 1277  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:
1278 1278  
1279 1279  (((
1280 -**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.
1281 1281  )))
1282 1282  
1283 1283  (((
1284 -**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:
1285 1285  )))
1286 1286  
1287 1287  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1288,12 +1288,13 @@
1288 1288  
1289 1289  [[image:image-20220524094641-11.png||height="390" width="723"]]
1290 1290  
1282 +
1291 1291  [[image:image-20220524094641-12.png||height="402" width="718"]]
1292 1292  
1293 1293  
1294 -**Step 3**: Create an account or log in Mydevices.
1286 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1295 1295  
1296 -**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" %)
1297 1297  
1298 1298  Search under The things network
1299 1299  
... ... @@ -1300,16 +1300,21 @@
1300 1300  [[image:1653356838789-523.png||height="337" width="740"]]
1301 1301  
1302 1302  
1295 +
1303 1303  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1304 1304  
1305 1305  [[image:image-20220524094909-1.png||height="335" width="729"]]
1306 1306  
1300 +
1307 1307  [[image:image-20220524094909-2.png||height="337" width="729"]]
1308 1308  
1303 +
1309 1309  [[image:image-20220524094909-3.png||height="338" width="727"]]
1310 1310  
1306 +
1311 1311  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1312 1312  
1309 +
1313 1313  [[image:image-20220524094909-5.png||height="341" width="734"]]
1314 1314  
1315 1315  
... ... @@ -1349,7 +1349,7 @@
1349 1349  )))
1350 1350  
1351 1351  (((
1352 -**Example1**: Connect to a Low active sensor.
1349 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1353 1353  )))
1354 1354  
1355 1355  (((
... ... @@ -1380,7 +1380,7 @@
1380 1380  )))
1381 1381  
1382 1382  (((
1383 -**Example2**: Connect to a High active sensor.
1380 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1384 1384  )))
1385 1385  
1386 1386  (((
... ... @@ -1411,7 +1411,7 @@
1411 1411  )))
1412 1412  
1413 1413  (((
1414 -**Example3**: Connect to a 220v high active sensor.
1411 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1415 1415  )))
1416 1416  
1417 1417  (((
... ... @@ -1451,8 +1451,9 @@
1451 1451  
1452 1452  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:
1453 1453  
1454 -**AC2 = (IN2 voltage )/12**
1455 1455  
1452 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1453 +
1456 1456  [[image:1653357592296-182.png]]
1457 1457  
1458 1458  Example to connect a 4~~20mA sensor
... ... @@ -1459,17 +1459,18 @@
1459 1459  
1460 1460  We take the wind speed sensor as an example for reference only.
1461 1461  
1462 -Specifications of the wind speed sensor:
1463 1463  
1464 -Red:12~~24v
1461 +**Specifications of the wind speed sensor:**
1465 1465  
1466 -Yellow:4~~20mA
1463 +Red:  12~~24v
1467 1467  
1468 -Black:GND
1465 +Yellow:  4~~20mA
1469 1469  
1467 +Black:  GND
1470 1470  
1471 -Connection diagram:
1472 1472  
1470 +**Connection diagram:**
1471 +
1473 1473  [[image:1653357640609-758.png]]
1474 1474  
1475 1475  [[image:1653357648330-671.png||height="155" width="733"]]
... ... @@ -1487,6 +1487,7 @@
1487 1487  [[image:image-20220524100215-10.png||height="382" width="723"]]
1488 1488  
1489 1489  
1489 +
1490 1490  == 3.7 LEDs Indicators ==
1491 1491  
1492 1492  [[image:image-20220524100748-11.png]]
... ... @@ -1500,6 +1500,7 @@
1500 1500  
1501 1501  [[image:1653358238933-385.png]]
1502 1502  
1503 +
1503 1503  (((
1504 1504  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:
1505 1505  )))
... ... @@ -1506,6 +1506,7 @@
1506 1506  
1507 1507  [[image:1653358355238-883.png]]
1508 1508  
1510 +
1509 1509  (((
1510 1510  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/]]
1511 1511  )))
... ... @@ -1696,12 +1696,16 @@
1696 1696  
1697 1697  )))
1698 1698  
1701 +
1702 +
1699 1699  == 4.2 Common AT Command Sequence ==
1700 1700  
1701 1701  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1702 1702  
1703 1703  (((
1704 -If device has not joined network yet:
1708 +
1709 +
1710 +**If device has not joined network yet:**
1705 1705  )))
1706 1706  
1707 1707  (((
... ... @@ -1726,7 +1726,7 @@
1726 1726  
1727 1727  
1728 1728  (((
1729 -If device already joined network:
1735 +**If device already joined network:**
1730 1730  )))
1731 1731  
1732 1732  (((
... ... @@ -1739,10 +1739,14 @@
1739 1739  
1740 1740  )))
1741 1741  
1748 +
1749 +
1742 1742  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1743 1743  
1744 1744  (((
1745 -(% 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.
1746 1746  )))
1747 1747  
1748 1748  (((
... ... @@ -1750,7 +1750,7 @@
1750 1750  )))
1751 1751  
1752 1752  (((
1753 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1763 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1754 1754  )))
1755 1755  
1756 1756  (((
... ... @@ -1758,39 +1758,41 @@
1758 1758  )))
1759 1759  
1760 1760  (((
1761 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1771 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1762 1762  )))
1763 1763  
1764 1764  (((
1765 -(% 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
1766 1766  )))
1767 1767  
1768 1768  (((
1769 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1779 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1770 1770  )))
1771 1771  
1772 1772  (((
1773 -(% 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
1774 1774  )))
1775 1775  
1776 1776  (((
1777 -(% 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
1778 1778  )))
1779 1779  
1780 1780  (((
1781 -(% 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)
1782 1782  )))
1783 1783  
1784 1784  (((
1785 -(% 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
1786 1786  )))
1787 1787  
1788 1788  (((
1789 -(% 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.
1790 1790  )))
1791 1791  
1792 1792  (((
1793 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1803 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1804 +
1805 +
1794 1794  )))
1795 1795  
1796 1796  (((
... ... @@ -1812,6 +1812,7 @@
1812 1812  
1813 1813  )))
1814 1814  
1827 +
1815 1815  === 4.2.3 Change to Class A ===
1816 1816  
1817 1817  If sensor JOINED
... ... @@ -1823,19 +1823,25 @@
1823 1823  
1824 1824  == 5.1 How to upgrade the image? ==
1825 1825  
1839 +
1826 1826  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1827 1827  
1828 1828  * Support new features
1829 1829  * For bug fix
1830 1830  * Change LoRaWAN bands.
1845 +
1831 1831  Below shows the hardware connection for how to upload an image to the LT:
1832 -* [[image:1653359603330-121.png]]
1833 1833  
1848 +[[image:1653359603330-121.png]]
1849 +
1850 +
1834 1834  (((
1835 -**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]].
1836 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1837 -**Step3: **Open flashloader; choose the correct COM port to update.
1838 -**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**(%%):
1839 1839  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.
1840 1840  )))
1841 1841  
... ... @@ -1845,6 +1845,7 @@
1845 1845  
1846 1846  [[image:image-20220524104033-15.png]]
1847 1847  
1867 +
1848 1848  (% 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:
1849 1849  
1850 1850  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1852,6 +1852,8 @@
1852 1852  
1853 1853  (((
1854 1854  (((
1875 +
1876 +
1855 1855  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1856 1856  )))
1857 1857  )))
... ... @@ -1858,11 +1858,11 @@
1858 1858  
1859 1859  (((
1860 1860  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1861 -
1862 -
1863 1863  )))
1864 1864  
1865 1865  (((
1886 +
1887 +
1866 1866  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1867 1867  )))
1868 1868  
... ... @@ -1875,6 +1875,8 @@
1875 1875  (((
1876 1876  (((
1877 1877  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1900 +
1901 +
1878 1878  )))
1879 1879  )))
1880 1880  
... ... @@ -1890,23 +1890,25 @@
1890 1890  (% 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.
1891 1891  )))
1892 1892  
1917 +
1893 1893  (((
1894 1894  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1895 1895  )))
1896 1896  
1897 1897  (((
1898 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1899 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1900 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1901 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1902 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1903 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1904 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1905 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1906 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1907 -(% 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
1908 1908  )))
1909 1909  
1935 +
1910 1910  (((
1911 1911  As shown in below:
1912 1912  )))
... ... @@ -1923,11 +1923,19 @@
1923 1923  == 5.5 Can i use point to point communication for LT-22222-L? ==
1924 1924  
1925 1925  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1926 -
1927 -
1928 1928  )))
1929 1929  
1930 1930  (((
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 +
1931 1931  = 6. Trouble Shooting =
1932 1932  )))
1933 1933  
... ... @@ -1939,11 +1939,11 @@
1939 1939  
1940 1940  (((
1941 1941  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1942 -
1943 -
1944 1944  )))
1945 1945  
1946 1946  (((
1979 +
1980 +
1947 1947  == 6.2 Have trouble to upload image. ==
1948 1948  )))
1949 1949  
... ... @@ -1953,9 +1953,7 @@
1953 1953  
1954 1954  (((
1955 1955  
1956 -)))
1957 1957  
1958 -(((
1959 1959  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1960 1960  )))
1961 1961  
... ... @@ -1963,147 +1963,55 @@
1963 1963  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1964 1964  )))
1965 1965  
1966 -(((
1967 -
1968 -)))
1969 1969  
1970 -(((
1999 +
1971 1971  = 7. Order Info =
1972 -)))
1973 1973  
1974 -(((
1975 -(((
2002 +
1976 1976  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1977 -)))
1978 -)))
1979 1979  
1980 -(((
1981 -(((
2005 +
1982 1982  (% style="color:#4f81bd" %)**XXX:**
1983 -)))
1984 -)))
1985 1985  
1986 -(((
1987 -* (((
1988 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1989 -)))
1990 -)))
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
1991 1991  
1992 -(((
1993 -* (((
1994 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1995 -)))
1996 -)))
1997 -
1998 -(((
1999 -* (((
2000 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2001 -)))
2002 -)))
2003 -
2004 -(((
2005 -* (((
2006 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2007 -)))
2008 -)))
2009 -
2010 -(((
2011 -* (((
2012 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2013 -)))
2014 -)))
2015 -
2016 -(((
2017 -* (((
2018 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2019 -)))
2020 -)))
2021 -
2022 -(((
2023 -* (((
2024 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2025 -)))
2026 -)))
2027 -
2028 -(((
2029 -* (((
2030 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2031 -)))
2032 -)))
2033 -
2034 -(((
2035 -* (((
2036 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2037 -
2038 -
2039 -)))
2040 -
2041 2041  = 8. Packing Info =
2042 -)))
2043 2043  
2044 -(((
2045 -(((
2020 +
2046 2046  **Package Includes**:
2047 -)))
2048 -)))
2049 2049  
2050 -(((
2051 -(((
2052 2052  * LT-22222-L I/O Controller x 1
2053 2053  * Stick Antenna for LoRa RF part x 1
2054 2054  * Bracket for controller x1
2055 2055  * Program cable x 1
2056 -)))
2057 -)))
2058 2058  
2059 -(((
2060 -(((
2061 2061  **Dimension and weight**:
2062 -)))
2063 -)))
2064 2064  
2065 -(((
2066 -(((
2067 2067  * Device Size: 13.5 x 7 x 3 cm
2068 2068  * Device Weight: 105g
2069 2069  * Package Size / pcs : 14.5 x 8 x 5 cm
2070 2070  * Weight / pcs : 170g
2071 2071  
2072 -
2073 -)))
2074 -)))
2075 -
2076 -(((
2077 2077  = 9. Support =
2078 -)))
2079 2079  
2080 2080  * (((
2081 -(((
2082 2082  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.
2083 2083  )))
2084 -)))
2085 2085  * (((
2086 -(((
2087 -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]]
2088 2088  )))
2089 -)))
2090 2090  
2091 -(((
2092 -(((
2093 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2094 -
2095 -
2096 -)))
2097 -
2098 -(((
2099 2099  = 10. Reference​​​​​ =
2100 2100  
2101 -* Product Page:
2102 -
2103 -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]]
2104 -
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]]
2105 2105  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2106 2106  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2107 2107  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2108 -)))
2109 -)))