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Last modified by Mengting Qiu on 2025/06/04 18:42
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edited by Xiaoling
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edited by Bei Jinggeng
on 2022/07/19 11:02
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Summary

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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1 1  (% style="text-align:center" %)
2 2  [[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3 3  
4 -**LT-22222-L LoRa IO Controller User Manual **
5 5  
6 6  
7 7  **Table of Contents:**
... ... @@ -19,6 +19,8 @@
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
21 +
22 +
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  
52 +
51 51  == 1.2  Specifications ==
52 52  
53 53  (((
... ... @@ -162,6 +162,9 @@
162 162  )))
163 163  * (((
164 164  Packet engine up to 256 bytes with CRC.
167 +
168 +
169 +
165 165  )))
166 166  
167 167  == 1.3 Features ==
... ... @@ -213,11 +213,11 @@
213 213  == 3.1 How it works? ==
214 214  
215 215  (((
216 -The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 
221 +The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 
217 217  )))
218 218  
219 219  (((
220 -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.
225 +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.
221 221  )))
222 222  
223 223  
... ... @@ -269,14 +269,13 @@
269 269  
270 270  There are five working modes + one interrupt mode on LT for different type application:
271 271  
272 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
273 -* **MOD2**: Double DI Counting + DO + RO
274 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
275 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
276 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
277 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
277 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
278 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
279 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
280 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
281 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
282 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
278 278  
279 -
280 280  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
281 281  
282 282  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -315,8 +315,6 @@
315 315  * [1] RO1 relay channel is close and the RO1 LED is ON.
316 316  * [0] RO2 relay channel is open and RO2 LED is OFF;
317 317  
318 -
319 -
320 320  **LT22222-L:**
321 321  
322 322  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -332,7 +332,6 @@
332 332  ** DO1 is high in case there is load between DO1 and V+.
333 333  ** DO1 LED is off in both case
334 334  
335 -
336 336  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
337 337  
338 338  
... ... @@ -369,12 +369,7 @@
369 369  (((
370 370  (((
371 371  **AT+MOD=2**
372 -)))
373 -)))
374 374  
375 -(% class="box infomessage" %)
376 -(((
377 -(((
378 378  **ATZ**
379 379  )))
380 380  )))
... ... @@ -387,49 +387,20 @@
387 387  
388 388  (((
389 389  **For LT22222-L:**
390 -)))
391 391  
392 -(% class="box infomessage" %)
393 -(((
394 -(((
395 -**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
396 -)))
397 -)))
398 398  
399 -(% class="box infomessage" %)
400 -(((
401 -(((
402 -**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
403 -)))
404 -)))
388 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
405 405  
406 -(% class="box infomessage" %)
407 -(((
408 -(((
409 -**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
410 -)))
411 -)))
390 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
412 412  
413 -(% class="box infomessage" %)
414 -(((
415 -(((
416 -**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
417 -)))
418 -)))
392 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
419 419  
420 -(% class="box infomessage" %)
421 -(((
422 -(((
423 -**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
424 -)))
425 -)))
394 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
426 426  
427 -(% class="box infomessage" %)
428 -(((
429 -(((
430 -**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
396 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
397 +
398 +(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
431 431  )))
432 -)))
433 433  
434 434  
435 435  
... ... @@ -440,6 +440,8 @@
440 440  [[image:image-20220523181246-5.png]]
441 441  
442 442  (((
410 +
411 +
443 443  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
444 444  )))
445 445  
... ... @@ -453,6 +453,7 @@
453 453  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
454 454  )))
455 455  
425 +
456 456  (((
457 457  **To use counting mode, please run:**
458 458  )))
... ... @@ -461,12 +461,7 @@
461 461  (((
462 462  (((
463 463  **AT+MOD=3**
464 -)))
465 -)))
466 466  
467 -(% class="box infomessage" %)
468 -(((
469 -(((
470 470  **ATZ**
471 471  )))
472 472  )))
... ... @@ -511,20 +511,13 @@
511 511  (((
512 512  (((
513 513  **AT+MOD=4**
514 -)))
515 -)))
516 516  
517 -(% class="box infomessage" %)
518 -(((
519 -(((
520 520  **ATZ**
521 521  )))
522 522  )))
523 523  
524 -(((
525 -
526 -)))
527 527  
485 +
528 528  (((
529 529  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
530 530  )))
... ... @@ -533,35 +533,16 @@
533 533  
534 534  
535 535  **Plus below command for AVI1 Counting:**
536 -)))
537 537  
538 -(% class="box infomessage" %)
539 -(((
540 -(((
541 -**AT+SETCNT=3,60   (set AVI Count to 60)**
542 -)))
543 -)))
544 544  
545 -(% class="box infomessage" %)
546 -(((
547 -(((
548 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
549 -)))
550 -)))
496 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
551 551  
552 -(% class="box infomessage" %)
553 -(((
554 -(((
555 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
556 -)))
557 -)))
498 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
558 558  
559 -(% class="box infomessage" %)
560 -(((
561 -(((
562 -**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
500 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
501 +
502 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
563 563  )))
564 -)))
565 565  
566 566  
567 567  
... ... @@ -598,12 +598,7 @@
598 598  (((
599 599  (((
600 600  **AT+MOD=5**
601 -)))
602 -)))
603 603  
604 -(% class="box infomessage" %)
605 -(((
606 -(((
607 607  **ATZ**
608 608  )))
609 609  )))
... ... @@ -621,8 +621,8 @@
621 621  
622 622  For example, if user has configured below commands:
623 623  
624 -* **AT+MOD=1 ** **~-~->** The normal working mode
625 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
558 +* **AT+MOD=1 ** **~-~->**  The normal working mode
559 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
626 626  
627 627  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
628 628  
... ... @@ -629,8 +629,9 @@
629 629  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
630 630  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.**
631 631  
632 -**AT Command to set Trigger Condition**:
566 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
633 633  
568 +
634 634  (% style="color:#4f81bd" %)**Trigger base on voltage**:
635 635  
636 636  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -665,7 +665,7 @@
665 665  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
666 666  
667 667  
668 -**Downlink Command to set Trigger Condition:**
603 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
669 669  
670 670  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
671 671  
... ... @@ -778,80 +778,68 @@
778 778  
779 779  === 3.4.2 Sensor related commands ===
780 780  
716 +
781 781  ==== 3.4.2.1 Set Transmit Interval ====
782 782  
783 783  Set device uplink interval.
784 784  
785 -* AT Command:
721 +* (% style="color:#037691" %)**AT Command:**
786 786  
787 -(% class="box infomessage" %)
788 -(((
789 789  **AT+TDC=N **
790 -)))
791 791  
725 +
792 792  **Example: **AT+TDC=30000. Means set interval to 30 seconds
793 793  
794 794  
795 -* Downlink Payload (prefix 0x01):
729 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
796 796  
797 -(% class="box infomessage" %)
798 -(((
799 799  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
800 -)))
801 801  
802 802  
803 803  
735 +
804 804  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
805 805  
806 806  Set work mode.
807 807  
808 -* AT Command:
740 +* (% style="color:#037691" %)**AT Command:**
809 809  
810 -(% class="box infomessage" %)
811 -(((
812 812  **AT+MOD=N  **
813 -)))
814 814  
744 +
815 815  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
816 816  
817 817  
818 -* Downlink Payload (prefix 0x0A):
748 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
819 819  
820 -(% class="box infomessage" %)
821 -(((
822 -**0x0A aa     ~/~/ Same as AT+MOD=aa**
823 -)))
750 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
824 824  
825 825  
826 826  
754 +
827 827  ==== 3.4.2.3 Poll an uplink ====
828 828  
829 -* AT Command:
757 +* (% style="color:#037691" %)**AT Command:**
830 830  
831 831  There is no AT Command to poll uplink
832 832  
833 833  
834 -* Downlink Payload (prefix 0x08):
762 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
835 835  
836 -(% class="box infomessage" %)
837 -(((
838 -**0x08 FF     ~/~/ Poll an uplink,**
839 -)))
764 +**0x08 FF     **~/~/ Poll an uplink
840 840  
841 841  **Example**: 0x08FF, ask device to send an Uplink
842 842  
843 843  
844 844  
770 +
845 845  ==== 3.4.2.4 Enable Trigger Mode ====
846 846  
847 847  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
848 848  
849 -* AT Command:
775 +* (% style="color:#037691" %)**AT Command:**
850 850  
851 -(% class="box infomessage" %)
852 -(((
853 853  **AT+ADDMOD6=1 or 0**
854 -)))
855 855  
856 856  1: Enable Trigger Mode
857 857  
... ... @@ -858,43 +858,36 @@
858 858  0: Disable Trigger Mode
859 859  
860 860  
861 -* Downlink Payload (prefix 0x0A 06):
784 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
862 862  
863 -(% class="box infomessage" %)
864 -(((
865 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
866 -)))
786 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
867 867  
868 868  
869 869  
790 +
870 870  ==== 3.4.2.5 Poll trigger settings ====
871 871  
872 872  Poll trigger settings,
873 873  
874 -* AT Command:
795 +* (% style="color:#037691" %)**AT Command:**
875 875  
876 876  There is no AT Command for this feature.
877 877  
878 878  
879 -* Downlink Payload (prefix 0x AB 06):
800 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
880 880  
881 -(% class="box infomessage" %)
882 -(((
883 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
884 -)))
802 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
885 885  
886 886  
887 887  
806 +
888 888  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
889 889  
890 890  Enable Disable DI1/DI2/DI2 as trigger,
891 891  
892 -* AT Command:
811 +* (% style="color:#037691" %)**AT Command:**
893 893  
894 -(% class="box infomessage" %)
895 -(((
896 896  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
897 -)))
898 898  
899 899  
900 900  **Example:**
... ... @@ -901,25 +901,20 @@
901 901  
902 902  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
903 903  
904 -* Downlink Payload (prefix 0xAA 02):
820 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
905 905  
906 -(% class="box infomessage" %)
907 -(((
908 -**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
909 -)))
822 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
910 910  
911 911  
912 912  
826 +
913 913  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
914 914  
915 915  Set DI1 or DI3(for LT-33222-L) trigger.
916 916  
917 -* AT Command:
831 +* (% style="color:#037691" %)**AT Command:**
918 918  
919 -(% class="box infomessage" %)
920 -(((
921 921  **AT+TRIG1=a,b**
922 -)))
923 923  
924 924  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
925 925  
... ... @@ -931,26 +931,18 @@
931 931  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
932 932  
933 933  
934 -* Downlink Payload (prefix 0x09 01 ):
845 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
846 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
935 935  
936 -(% class="box infomessage" %)
937 -(((
938 -**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
939 -)))
940 -
941 -
942 -
943 943  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
944 944  
945 945  Set DI2 trigger.
946 946  
947 -* AT Command:
852 +* (% style="color:#037691" %)**AT Command:**
948 948  
949 -(% class="box infomessage" %)
950 -(((
951 951  **AT+TRIG2=a,b**
952 -)))
953 953  
856 +
954 954  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
955 955  
956 956  b : delay timing.
... ... @@ -961,93 +961,78 @@
961 961  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
962 962  
963 963  
964 -* Downlink Payload (prefix 0x09 02 ):
867 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
965 965  
966 -(% class="box infomessage" %)
967 -(((
968 -**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
969 -)))
869 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
970 970  
971 971  
972 972  
873 +
973 973  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
974 974  
975 975  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
976 976  
977 -* AT Command:
878 +* (% style="color:#037691" %)**AT Command**
978 978  
979 -(% class="box infomessage" %)
980 -(((
981 -**AT+ACLIM. **
982 -)))
880 +**AT+ACLIM**
983 983  
984 984  
985 -* Downlink Payload (prefix 0xAA 01 ):
883 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
986 986  
987 -(% class="box infomessage" %)
988 -(((
989 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
990 -)))
885 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
991 991  
992 992  
993 993  
889 +
994 994  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
995 995  
996 996  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
997 997  
998 -* AT Command:
894 +* (% style="color:#037691" %)**AT Command**
999 999  
1000 -(% class="box infomessage" %)
1001 -(((
1002 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1003 -)))
896 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1004 1004  
1005 1005  
1006 -* Downlink Payload (prefix 0xAA 00 ):
899 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1007 1007  
1008 -(% class="box infomessage" %)
1009 -(((
1010 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
1011 -)))
901 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1012 1012  
1013 1013  
1014 1014  
905 +
1015 1015  ==== 3.4.2.11 Trigger – Set minimum interval ====
1016 1016  
1017 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
908 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1018 1018  
1019 -* AT Command:
910 +* (% style="color:#037691" %)**AT Command**
1020 1020  
1021 -(% class="box infomessage" %)
1022 -(((
1023 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
1024 -)))
912 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
1025 1025  
1026 1026  
1027 -* Downlink Payload (prefix 0xAC ):
915 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1028 1028  
1029 -(% class="box infomessage" %)
917 +**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
918 +
1030 1030  (((
1031 -**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
920 +
921 +
922 +(% style="color:red" %)Note: ATDC setting must be more than 5min
1032 1032  )))
1033 1033  
1034 1034  
1035 1035  
927 +
1036 1036  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1037 1037  
1038 -* AT Command:
930 +* (% style="color:#037691" %)**AT Command**
1039 1039  
1040 1040  There is no AT Command to control Digital Output
1041 1041  
1042 1042  
1043 -* Downlink Payload (prefix 0x02):
935 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
936 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1044 1044  
1045 -(% class="box infomessage" %)
1046 1046  (((
1047 -**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
1048 -)))
1049 -
1050 -(((
1051 1051  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1052 1052  )))
1053 1053  
... ... @@ -1067,22 +1067,19 @@
1067 1067  
1068 1068  
1069 1069  
958 +
1070 1070  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1071 1071  
1072 -* AT Command:
961 +* (% style="color:#037691" %)**AT Command**
1073 1073  
1074 1074  There is no AT Command to control Digital Output
1075 1075  
1076 1076  
1077 -* Downlink Payload (prefix 0xA9):
966 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1078 1078  
1079 -(% class="box infomessage" %)
1080 -(((
1081 -(((
1082 -**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1083 -)))
1084 -)))
968 +**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1085 1085  
970 +
1086 1086  This is to control the digital output time of DO pin. Include four bytes:
1087 1087  
1088 1088  (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
... ... @@ -1136,20 +1136,19 @@
1136 1136  
1137 1137  
1138 1138  
1024 +
1139 1139  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1140 1140  
1141 -* AT Command:
1027 +* (% style="color:#037691" %)**AT Command:**
1142 1142  
1143 1143  There is no AT Command to control Relay Output
1144 1144  
1145 1145  
1146 -* Downlink Payload (prefix 0x03):
1032 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1147 1147  
1148 -(% class="box infomessage" %)
1149 -(((
1150 -**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1151 -)))
1034 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1152 1152  
1036 +
1153 1153  (((
1154 1154  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1155 1155  )))
... ... @@ -1166,20 +1166,19 @@
1166 1166  
1167 1167  
1168 1168  
1053 +
1169 1169  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1170 1170  
1171 -* AT Command:
1056 +* (% style="color:#037691" %)**AT Command:**
1172 1172  
1173 1173  There is no AT Command to control Relay Output
1174 1174  
1175 1175  
1176 -* Downlink Payload (prefix 0x05):
1061 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1177 1177  
1178 -(% class="box infomessage" %)
1179 -(((
1180 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1181 -)))
1063 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1182 1182  
1065 +
1183 1183  This is to control the relay output time of relay. Include four bytes:
1184 1184  
1185 1185  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
... ... @@ -1193,7 +1193,7 @@
1193 1193  
1194 1194  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1195 1195  
1196 -[[image:image-20220524093831-10.png]]
1079 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1197 1197  
1198 1198  
1199 1199  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1203,53 +1203,46 @@
1203 1203  
1204 1204  **Example payload:**
1205 1205  
1206 -**~1. 05 01 11 07 D0**
1089 +**~1. 05 01 11 07 D**
1207 1207  
1208 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1091 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1209 1209  
1210 1210  **2. 05 01 10 07 D0**
1211 1211  
1212 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1095 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1213 1213  
1214 1214  **3. 05 00 01 07 D0**
1215 1215  
1216 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1099 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1217 1217  
1218 1218  **4. 05 00 00 07 D0**
1219 1219  
1220 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1103 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1221 1221  
1222 1222  
1223 1223  
1107 +
1224 1224  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1225 1225  
1226 1226  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1227 1227  
1228 -* AT Command:
1112 +* (% style="color:#037691" %)**AT Command:**
1229 1229  
1230 -(% class="box infomessage" %)
1231 -(((
1232 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1233 -)))
1114 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1234 1234  
1235 1235  
1236 -* Downlink Payload (prefix 0xA5):
1117 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1237 1237  
1238 -(% class="box infomessage" %)
1239 -(((
1240 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1241 -)))
1119 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1242 1242  
1243 1243  
1244 1244  
1123 +
1245 1245  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1246 1246  
1247 -* AT Command:
1126 +* (% style="color:#037691" %)**AT Command:**
1248 1248  
1249 -(% class="box infomessage" %)
1250 -(((
1251 1251  **AT+SETCNT=aa,(bb cc dd ee) **
1252 -)))
1253 1253  
1254 1254  aa: 1: Set count1,
1255 1255  
... ... @@ -1260,51 +1260,40 @@
1260 1260  Bb cc dd ee: number to be set
1261 1261  
1262 1262  
1263 -* Downlink Payload (prefix 0xA8):
1139 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1264 1264  
1265 -(% class="box infomessage" %)
1266 -(((
1267 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1268 -)))
1141 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1269 1269  
1270 1270  
1271 1271  
1145 +
1272 1272  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1273 1273  
1274 1274  Clear counting for counting mode
1275 1275  
1276 -* AT Command:
1150 +* (% style="color:#037691" %)**AT Command:**
1277 1277  
1278 -(% class="box infomessage" %)
1279 -(((
1280 -**AT+CLRCOUNT ~/~/ clear all counting**
1281 -)))
1152 +**AT+CLRCOUNT ** ~/~/ clear all counting
1282 1282  
1283 -* Downlink Payload (prefix 0xA6):
1284 1284  
1285 -(% class="box infomessage" %)
1286 -(((
1287 -**0x A6 01     ~/~/ clear all counting,**
1288 -)))
1155 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1289 1289  
1157 +**0x A6 01    ** ~/~/ clear all counting
1290 1290  
1291 1291  
1160 +
1161 +
1292 1292  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1293 1293  
1294 -* AT Command:
1164 +* (% style="color:#037691" %)**AT Command:**
1295 1295  
1296 -(% class="box infomessage" %)
1297 -(((
1298 -**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1299 -)))
1166 +**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1300 1300  
1301 -* Downlink Payload (prefix 0xA7):
1302 1302  
1303 -(% class="box infomessage" %)
1304 -(((
1305 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1306 -)))
1169 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1307 1307  
1171 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1172 +
1308 1308  (((
1309 1309  range: aa bb cc:0 to 16777215,  (unit:second)
1310 1310  
... ... @@ -1312,6 +1312,7 @@
1312 1312  )))
1313 1313  
1314 1314  
1180 +
1315 1315  == 3.5 Integrate with Mydevice ==
1316 1316  
1317 1317  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:
... ... @@ -1541,6 +1541,7 @@
1541 1541  [[image:image-20220524100748-11.png]]
1542 1542  
1543 1543  
1410 +
1544 1544  = 4. Use AT Command =
1545 1545  
1546 1546  == 4.1 Access AT Command ==
... ... @@ -1743,8 +1743,6 @@
1743 1743  
1744 1744  (((
1745 1745  AT+CFG: Print all settings
1746 -
1747 -
1748 1748  )))
1749 1749  
1750 1750  
... ... @@ -1790,8 +1790,6 @@
1790 1790  
1791 1791  (((
1792 1792  (% style="background-color:#dcdcdc" %)ATZ
1793 -
1794 -
1795 1795  )))
1796 1796  
1797 1797  
... ... @@ -1904,7 +1904,7 @@
1904 1904  
1905 1905  
1906 1906  (% style="color:blue" %)**For LT-22222-L**(%%):
1907 -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.
1770 +Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
1908 1908  )))
1909 1909  
1910 1910   [[image:image-20220524103407-12.png]]
... ... @@ -1998,17 +1998,28 @@
1998 1998  == 5.5 Can i use point to point communication for LT-22222-L? ==
1999 1999  
2000 2000  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1864 +
1865 +
2001 2001  )))
2002 2002  
2003 2003  (((
2004 -
1869 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2005 2005  
1871 +If the device is not shut down, but directly powered off.
1872 +
1873 +It will default that this is a power-off state.
1874 +
1875 +In modes 2 to 5, DO RO status and pulse count are saved in flash.
1876 +
1877 +After restart, the status before power failure will be read from flash.
1878 +
1879 +
2006 2006  = 6. Trouble Shooting =
2007 2007  )))
2008 2008  
2009 2009  (((
2010 2010  (((
2011 -== 6.1 Downlink doesn’t work, how to solve it? ==
1885 +== 6.1 Downlink doesn't work, how to solve it? ==
2012 2012  )))
2013 2013  )))
2014 2014  
... ... @@ -2029,7 +2029,7 @@
2029 2029  (((
2030 2030  
2031 2031  
2032 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1906 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2033 2033  )))
2034 2034  
2035 2035  (((
... ... @@ -2037,25 +2037,26 @@
2037 2037  )))
2038 2038  
2039 2039  
2040 -
2041 2041  = 7. Order Info =
2042 2042  
2043 2043  
2044 2044  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2045 2045  
2046 -
2047 2047  (% style="color:#4f81bd" %)**XXX:**
2048 2048  
2049 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2050 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2051 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2052 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2053 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2054 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2055 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2056 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2057 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1921 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
1922 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
1923 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
1924 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
1925 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
1926 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
1927 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
1928 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
1929 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2058 2058  
1931 +
1932 +
1933 +
2059 2059  = 8. Packing Info =
2060 2060  
2061 2061  
... ... @@ -2073,6 +2073,9 @@
2073 2073  * Package Size / pcs : 14.5 x 8 x 5 cm
2074 2074  * Weight / pcs : 170g
2075 2075  
1951 +
1952 +
1953 +
2076 2076  = 9. Support =
2077 2077  
2078 2078  * (((
... ... @@ -2082,6 +2082,8 @@
2082 2082  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]]
2083 2083  )))
2084 2084  
1963 +
1964 +
2085 2085  = 10. Reference​​​​​ =
2086 2086  
2087 2087  * 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]]
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