Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.114 >
edited by Xiaoling
on 2022/06/10 09:37
To version < 82.12 >
edited by Xiaoling
on 2022/06/20 11:44
>
Change comment: There is no comment for this version

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... ... @@ -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  (((
... ... @@ -162,10 +162,12 @@
162 162  )))
163 163  * (((
164 164  Packet engine up to 256 bytes with CRC.
165 -)))
166 166  
167 167  
168 168  
171 +
172 +)))
173 +
169 169  == 1.3 Features ==
170 170  
171 171  * LoRaWAN Class A & Class C protocol
... ... @@ -284,6 +284,7 @@
284 284  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
285 285  
286 286  
292 +
287 287  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
288 288  
289 289  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -338,6 +338,7 @@
338 338  ** DO1 LED is off in both case
339 339  
340 340  
347 +
341 341  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
342 342  
343 343  
... ... @@ -374,12 +374,7 @@
374 374  (((
375 375  (((
376 376  **AT+MOD=2**
377 -)))
378 -)))
379 379  
380 -(% class="box infomessage" %)
381 -(((
382 -(((
383 383  **ATZ**
384 384  )))
385 385  )))
... ... @@ -398,40 +398,15 @@
398 398  (((
399 399  (((
400 400  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
401 -)))
402 -)))
403 403  
404 -(% class="box infomessage" %)
405 -(((
406 -(((
407 407  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
408 -)))
409 -)))
410 410  
411 -(% class="box infomessage" %)
412 -(((
413 -(((
414 414  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
415 -)))
416 -)))
417 417  
418 -(% class="box infomessage" %)
419 -(((
420 -(((
421 421  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
422 -)))
423 -)))
424 424  
425 -(% class="box infomessage" %)
426 -(((
427 -(((
428 428  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
429 -)))
430 -)))
431 431  
432 -(% class="box infomessage" %)
433 -(((
434 -(((
435 435  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
436 436  )))
437 437  )))
... ... @@ -466,12 +466,7 @@
466 466  (((
467 467  (((
468 468  **AT+MOD=3**
469 -)))
470 -)))
471 471  
472 -(% class="box infomessage" %)
473 -(((
474 -(((
475 475  **ATZ**
476 476  )))
477 477  )))
... ... @@ -478,11 +478,10 @@
478 478  
479 479  (((
480 480  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
481 -
482 -
483 483  )))
484 484  
485 485  
456 +
486 486  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
487 487  
488 488  
... ... @@ -517,20 +517,13 @@
517 517  (((
518 518  (((
519 519  **AT+MOD=4**
520 -)))
521 -)))
522 522  
523 -(% class="box infomessage" %)
524 -(((
525 -(((
526 526  **ATZ**
527 527  )))
528 528  )))
529 529  
530 -(((
531 -
532 -)))
533 533  
497 +
534 534  (((
535 535  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
536 536  )))
... ... @@ -544,33 +544,17 @@
544 544  (% class="box infomessage" %)
545 545  (((
546 546  (((
547 -**AT+SETCNT=3,60   (set AVI Count to 60)**
548 -)))
549 -)))
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
550 550  
551 -(% class="box infomessage" %)
552 -(((
553 -(((
554 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
555 -)))
556 -)))
513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
557 557  
558 -(% class="box infomessage" %)
559 -(((
560 -(((
561 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
562 -)))
563 -)))
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
564 564  
565 -(% class="box infomessage" %)
566 -(((
567 -(((
568 -**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)**
569 569  )))
570 570  )))
571 571  
572 572  
573 -
574 574  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
575 575  
576 576  
... ... @@ -604,12 +604,7 @@
604 604  (((
605 605  (((
606 606  **AT+MOD=5**
607 -)))
608 -)))
609 609  
610 -(% class="box infomessage" %)
611 -(((
612 -(((
613 613  **ATZ**
614 614  )))
615 615  )))
... ... @@ -635,7 +635,7 @@
635 635  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
636 636  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.**
637 637  
638 -**AT Command to set Trigger Condition**:
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
639 639  
640 640  (% style="color:#4f81bd" %)**Trigger base on voltage**:
641 641  
... ... @@ -671,7 +671,7 @@
671 671  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
672 672  
673 673  
674 -**Downlink Command to set Trigger Condition:**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
675 675  
676 676  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
677 677  
... ... @@ -764,7 +764,6 @@
764 764  )))
765 765  
766 766  
767 -
768 768  == 3.4 ​Configure LT via AT or Downlink ==
769 769  
770 770  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -777,6 +777,8 @@
777 777  
778 778  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
779 779  
722 +
723 +
780 780  === 3.4.1 Common Commands ===
781 781  
782 782  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]]
... ... @@ -789,7 +789,7 @@
789 789  
790 790  Set device uplink interval.
791 791  
792 -* AT Command:
736 +* (% style="color:#037691" %)**AT Command:**
793 793  
794 794  (% class="box infomessage" %)
795 795  (((
... ... @@ -799,7 +799,7 @@
799 799  **Example: **AT+TDC=30000. Means set interval to 30 seconds
800 800  
801 801  
802 -* Downlink Payload (prefix 0x01):
746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
803 803  
804 804  (% class="box infomessage" %)
805 805  (((
... ... @@ -812,7 +812,7 @@
812 812  
813 813  Set work mode.
814 814  
815 -* AT Command:
759 +* (% style="color:#037691" %)**AT Command:**
816 816  
817 817  (% class="box infomessage" %)
818 818  (((
... ... @@ -822,7 +822,7 @@
822 822  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
823 823  
824 824  
825 -* Downlink Payload (prefix 0x0A):
769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
826 826  
827 827  (% class="box infomessage" %)
828 828  (((
... ... @@ -833,12 +833,12 @@
833 833  
834 834  ==== 3.4.2.3 Poll an uplink ====
835 835  
836 -* AT Command:
780 +* (% style="color:#037691" %)AT Command:
837 837  
838 838  There is no AT Command to poll uplink
839 839  
840 840  
841 -* Downlink Payload (prefix 0x08):
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
842 842  
843 843  (% class="box infomessage" %)
844 844  (((
... ... @@ -853,7 +853,7 @@
853 853  
854 854  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
855 855  
856 -* AT Command:
800 +* (% style="color:#037691" %)AT Command:
857 857  
858 858  (% class="box infomessage" %)
859 859  (((
... ... @@ -865,7 +865,7 @@
865 865  0: Disable Trigger Mode
866 866  
867 867  
868 -* Downlink Payload (prefix 0x0A 06):
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
869 869  
870 870  (% class="box infomessage" %)
871 871  (((
... ... @@ -878,12 +878,12 @@
878 878  
879 879  Poll trigger settings,
880 880  
881 -* AT Command:
825 +* (% style="color:#037691" %)AT Command:
882 882  
883 883  There is no AT Command for this feature.
884 884  
885 885  
886 -* Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
887 887  
888 888  (% class="box infomessage" %)
889 889  (((
... ... @@ -896,7 +896,7 @@
896 896  
897 897  Enable Disable DI1/DI2/DI2 as trigger,
898 898  
899 -* AT Command:
843 +* (% style="color:#037691" %)AT Command:
900 900  
901 901  (% class="box infomessage" %)
902 902  (((
... ... @@ -908,7 +908,7 @@
908 908  
909 909  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
910 910  
911 -* Downlink Payload (prefix 0xAA 02):
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
912 912  
913 913  (% class="box infomessage" %)
914 914  (((
... ... @@ -921,7 +921,7 @@
921 921  
922 922  Set DI1 or DI3(for LT-33222-L) trigger.
923 923  
924 -* AT Command:
868 +* (% style="color:#037691" %)AT Command:
925 925  
926 926  (% class="box infomessage" %)
927 927  (((
... ... @@ -938,7 +938,7 @@
938 938  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
939 939  
940 940  
941 -* Downlink Payload (prefix 0x09 01 ):
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
942 942  
943 943  (% class="box infomessage" %)
944 944  (((
... ... @@ -951,7 +951,7 @@
951 951  
952 952  Set DI2 trigger.
953 953  
954 -* AT Command:
898 +* (% style="color:#037691" %)AT Command:
955 955  
956 956  (% class="box infomessage" %)
957 957  (((
... ... @@ -968,7 +968,7 @@
968 968  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
969 969  
970 970  
971 -* Downlink Payload (prefix 0x09 02 ):
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
972 972  
973 973  (% class="box infomessage" %)
974 974  (((
... ... @@ -981,7 +981,7 @@
981 981  
982 982  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
983 983  
984 -* AT Command:
928 +* (% style="color:#037691" %)AT Command:
985 985  
986 986  (% class="box infomessage" %)
987 987  (((
... ... @@ -989,7 +989,7 @@
989 989  )))
990 990  
991 991  
992 -* Downlink Payload (prefix 0xAA 01 ):
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
993 993  
994 994  (% class="box infomessage" %)
995 995  (((
... ... @@ -1002,7 +1002,7 @@
1002 1002  
1003 1003  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1004 1004  
1005 -* AT Command:
949 +* (% style="color:#037691" %)AT Command:
1006 1006  
1007 1007  (% class="box infomessage" %)
1008 1008  (((
... ... @@ -1010,7 +1010,7 @@
1010 1010  )))
1011 1011  
1012 1012  
1013 -* Downlink Payload (prefix 0xAA 00 ):
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
1014 1014  
1015 1015  (% class="box infomessage" %)
1016 1016  (((
... ... @@ -1023,7 +1023,7 @@
1023 1023  
1024 1024  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1025 1025  
1026 -* AT Command:
970 +* (% style="color:#037691" %)AT Command:
1027 1027  
1028 1028  (% class="box infomessage" %)
1029 1029  (((
... ... @@ -1031,7 +1031,7 @@
1031 1031  )))
1032 1032  
1033 1033  
1034 -* Downlink Payload (prefix 0xAC ):
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
1035 1035  
1036 1036  (% class="box infomessage" %)
1037 1037  (((
... ... @@ -1042,12 +1042,12 @@
1042 1042  
1043 1043  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1044 1044  
1045 -* AT Command:
989 +* (% style="color:#037691" %)AT Command:
1046 1046  
1047 1047  There is no AT Command to control Digital Output
1048 1048  
1049 1049  
1050 -* Downlink Payload (prefix 0x02):
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
1051 1051  
1052 1052  (% class="box infomessage" %)
1053 1053  (((
... ... @@ -1076,12 +1076,12 @@
1076 1076  
1077 1077  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1078 1078  
1079 -* AT Command:
1023 +* (% style="color:#037691" %)AT Command:
1080 1080  
1081 1081  There is no AT Command to control Digital Output
1082 1082  
1083 1083  
1084 -* Downlink Payload (prefix 0xA9):
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1085 1085  
1086 1086  (% class="box infomessage" %)
1087 1087  (((
... ... @@ -1145,12 +1145,12 @@
1145 1145  
1146 1146  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1147 1147  
1148 -* AT Command:
1092 +* (% style="color:#037691" %)AT Command:
1149 1149  
1150 1150  There is no AT Command to control Relay Output
1151 1151  
1152 1152  
1153 -* Downlink Payload (prefix 0x03):
1097 +* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1154 1154  
1155 1155  (% class="box infomessage" %)
1156 1156  (((
... ... @@ -1175,12 +1175,12 @@
1175 1175  
1176 1176  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1177 1177  
1178 -* AT Command:
1122 +* (% style="color:#037691" %)AT Command:
1179 1179  
1180 1180  There is no AT Command to control Relay Output
1181 1181  
1182 1182  
1183 -* Downlink Payload (prefix 0x05):
1127 +* (% style="color:#037691" %)Downlink Payload (prefix 0x05):
1184 1184  
1185 1185  (% class="box infomessage" %)
1186 1186  (((
... ... @@ -1232,7 +1232,7 @@
1232 1232  
1233 1233  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1234 1234  
1235 -* AT Command:
1179 +* (% style="color:#037691" %)AT Command:
1236 1236  
1237 1237  (% class="box infomessage" %)
1238 1238  (((
... ... @@ -1240,7 +1240,7 @@
1240 1240  )))
1241 1241  
1242 1242  
1243 -* Downlink Payload (prefix 0xA5):
1187 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA5):
1244 1244  
1245 1245  (% class="box infomessage" %)
1246 1246  (((
... ... @@ -1251,7 +1251,7 @@
1251 1251  
1252 1252  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1253 1253  
1254 -* AT Command:
1198 +* (% style="color:#037691" %)AT Command:
1255 1255  
1256 1256  (% class="box infomessage" %)
1257 1257  (((
... ... @@ -1267,7 +1267,7 @@
1267 1267  Bb cc dd ee: number to be set
1268 1268  
1269 1269  
1270 -* Downlink Payload (prefix 0xA8):
1214 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA8):
1271 1271  
1272 1272  (% class="box infomessage" %)
1273 1273  (((
... ... @@ -1280,38 +1280,28 @@
1280 1280  
1281 1281  Clear counting for counting mode
1282 1282  
1283 -* AT Command:
1227 +* (% style="color:#037691" %)**AT Command:**
1284 1284  
1285 -(% class="box infomessage" %)
1286 -(((
1287 -**AT+CLRCOUNT ~/~/ clear all counting**
1288 -)))
1229 +(% style="color:#037691" %)​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1289 1289  
1290 -* Downlink Payload (prefix 0xA6):
1291 1291  
1292 -(% class="box infomessage" %)
1293 -(((
1294 -**0x A6 01     ~/~/ clear all counting,**
1295 -)))
1232 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1296 1296  
1234 +**0x A6 01    ** ~/~/ clear all counting
1297 1297  
1298 1298  
1237 +
1299 1299  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1300 1300  
1301 -* AT Command:
1240 +* (% style="color:#037691" %)**AT Command:**
1302 1302  
1303 -(% class="box infomessage" %)
1304 -(((
1305 -**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1306 -)))
1242 +**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1307 1307  
1308 -* Downlink Payload (prefix 0xA7):
1309 1309  
1310 -(% class="box infomessage" %)
1311 -(((
1312 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1313 -)))
1245 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1314 1314  
1247 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1248 +
1315 1315  (((
1316 1316  range: aa bb cc:0 to 16777215,  (unit:second)
1317 1317  
... ... @@ -2008,8 +2008,16 @@
2008 2008  )))
2009 2009  
2010 2010  (((
2011 -
1945 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2012 2012  
1947 +If the device is not shut down, but directly powered off.
1948 +
1949 +It will default that this is a power-off state.
1950 +
1951 +In modes 2 to 5, DO RO status and pulse count are saved in flash.
1952 +
1953 +After restart, the status before power failure will be read from flash.
1954 +
2013 2013  = 6. Trouble Shooting =
2014 2014  )))
2015 2015  

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