Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 78.1 >
edited by Xiaoling
on 2022/06/10 09:38
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
... ... @@ -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.
... ... @@ -285,6 +285,7 @@
285 285  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
286 286  
287 287  
292 +
288 288  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
289 289  
290 290  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -339,6 +339,7 @@
339 339  ** DO1 LED is off in both case
340 340  
341 341  
347 +
342 342  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
343 343  
344 344  
... ... @@ -375,12 +375,7 @@
375 375  (((
376 376  (((
377 377  **AT+MOD=2**
378 -)))
379 -)))
380 380  
381 -(% class="box infomessage" %)
382 -(((
383 -(((
384 384  **ATZ**
385 385  )))
386 386  )))
... ... @@ -399,40 +399,15 @@
399 399  (((
400 400  (((
401 401  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
402 -)))
403 -)))
404 404  
405 -(% class="box infomessage" %)
406 -(((
407 -(((
408 408  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
409 -)))
410 -)))
411 411  
412 -(% class="box infomessage" %)
413 -(((
414 -(((
415 415  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
416 -)))
417 -)))
418 418  
419 -(% class="box infomessage" %)
420 -(((
421 -(((
422 422  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
423 -)))
424 -)))
425 425  
426 -(% class="box infomessage" %)
427 -(((
428 -(((
429 429  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
430 -)))
431 -)))
432 432  
433 -(% class="box infomessage" %)
434 -(((
435 -(((
436 436  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
437 437  )))
438 438  )))
... ... @@ -467,12 +467,7 @@
467 467  (((
468 468  (((
469 469  **AT+MOD=3**
470 -)))
471 -)))
472 472  
473 -(% class="box infomessage" %)
474 -(((
475 -(((
476 476  **ATZ**
477 477  )))
478 478  )))
... ... @@ -479,11 +479,10 @@
479 479  
480 480  (((
481 481  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
482 -
483 -
484 484  )))
485 485  
486 486  
456 +
487 487  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
488 488  
489 489  
... ... @@ -518,20 +518,13 @@
518 518  (((
519 519  (((
520 520  **AT+MOD=4**
521 -)))
522 -)))
523 523  
524 -(% class="box infomessage" %)
525 -(((
526 -(((
527 527  **ATZ**
528 528  )))
529 529  )))
530 530  
531 -(((
532 -
533 -)))
534 534  
497 +
535 535  (((
536 536  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
537 537  )))
... ... @@ -545,33 +545,17 @@
545 545  (% class="box infomessage" %)
546 546  (((
547 547  (((
548 -**AT+SETCNT=3,60   (set AVI Count to 60)**
549 -)))
550 -)))
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
551 551  
552 -(% class="box infomessage" %)
553 -(((
554 -(((
555 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
556 -)))
557 -)))
513 +(% 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=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
563 -)))
564 -)))
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
565 565  
566 -(% class="box infomessage" %)
567 -(((
568 -(((
569 -**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)**
570 570  )))
571 571  )))
572 572  
573 573  
574 -
575 575  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
576 576  
577 577  
... ... @@ -605,12 +605,7 @@
605 605  (((
606 606  (((
607 607  **AT+MOD=5**
608 -)))
609 -)))
610 610  
611 -(% class="box infomessage" %)
612 -(((
613 -(((
614 614  **ATZ**
615 615  )))
616 616  )))
... ... @@ -636,7 +636,7 @@
636 636  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
637 637  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.**
638 638  
639 -**AT Command to set Trigger Condition**:
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
640 640  
641 641  (% style="color:#4f81bd" %)**Trigger base on voltage**:
642 642  
... ... @@ -672,7 +672,7 @@
672 672  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
673 673  
674 674  
675 -**Downlink Command to set Trigger Condition:**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
676 676  
677 677  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
678 678  
... ... @@ -765,7 +765,6 @@
765 765  )))
766 766  
767 767  
768 -
769 769  == 3.4 ​Configure LT via AT or Downlink ==
770 770  
771 771  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -778,6 +778,8 @@
778 778  
779 779  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
780 780  
722 +
723 +
781 781  === 3.4.1 Common Commands ===
782 782  
783 783  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]]
... ... @@ -790,7 +790,7 @@
790 790  
791 791  Set device uplink interval.
792 792  
793 -* AT Command:
736 +* (% style="color:#037691" %)**AT Command:**
794 794  
795 795  (% class="box infomessage" %)
796 796  (((
... ... @@ -800,7 +800,7 @@
800 800  **Example: **AT+TDC=30000. Means set interval to 30 seconds
801 801  
802 802  
803 -* Downlink Payload (prefix 0x01):
746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
804 804  
805 805  (% class="box infomessage" %)
806 806  (((
... ... @@ -813,7 +813,7 @@
813 813  
814 814  Set work mode.
815 815  
816 -* AT Command:
759 +* (% style="color:#037691" %)**AT Command:**
817 817  
818 818  (% class="box infomessage" %)
819 819  (((
... ... @@ -823,7 +823,7 @@
823 823  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
824 824  
825 825  
826 -* Downlink Payload (prefix 0x0A):
769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
827 827  
828 828  (% class="box infomessage" %)
829 829  (((
... ... @@ -834,12 +834,12 @@
834 834  
835 835  ==== 3.4.2.3 Poll an uplink ====
836 836  
837 -* AT Command:
780 +* (% style="color:#037691" %)AT Command:
838 838  
839 839  There is no AT Command to poll uplink
840 840  
841 841  
842 -* Downlink Payload (prefix 0x08):
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
843 843  
844 844  (% class="box infomessage" %)
845 845  (((
... ... @@ -854,7 +854,7 @@
854 854  
855 855  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
856 856  
857 -* AT Command:
800 +* (% style="color:#037691" %)AT Command:
858 858  
859 859  (% class="box infomessage" %)
860 860  (((
... ... @@ -866,7 +866,7 @@
866 866  0: Disable Trigger Mode
867 867  
868 868  
869 -* Downlink Payload (prefix 0x0A 06):
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
870 870  
871 871  (% class="box infomessage" %)
872 872  (((
... ... @@ -879,12 +879,12 @@
879 879  
880 880  Poll trigger settings,
881 881  
882 -* AT Command:
825 +* (% style="color:#037691" %)AT Command:
883 883  
884 884  There is no AT Command for this feature.
885 885  
886 886  
887 -* Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
888 888  
889 889  (% class="box infomessage" %)
890 890  (((
... ... @@ -897,7 +897,7 @@
897 897  
898 898  Enable Disable DI1/DI2/DI2 as trigger,
899 899  
900 -* AT Command:
843 +* (% style="color:#037691" %)AT Command:
901 901  
902 902  (% class="box infomessage" %)
903 903  (((
... ... @@ -909,7 +909,7 @@
909 909  
910 910  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
911 911  
912 -* Downlink Payload (prefix 0xAA 02):
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
913 913  
914 914  (% class="box infomessage" %)
915 915  (((
... ... @@ -922,7 +922,7 @@
922 922  
923 923  Set DI1 or DI3(for LT-33222-L) trigger.
924 924  
925 -* AT Command:
868 +* (% style="color:#037691" %)AT Command:
926 926  
927 927  (% class="box infomessage" %)
928 928  (((
... ... @@ -939,7 +939,7 @@
939 939  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
940 940  
941 941  
942 -* Downlink Payload (prefix 0x09 01 ):
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
943 943  
944 944  (% class="box infomessage" %)
945 945  (((
... ... @@ -952,7 +952,7 @@
952 952  
953 953  Set DI2 trigger.
954 954  
955 -* AT Command:
898 +* (% style="color:#037691" %)AT Command:
956 956  
957 957  (% class="box infomessage" %)
958 958  (((
... ... @@ -969,7 +969,7 @@
969 969  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
970 970  
971 971  
972 -* Downlink Payload (prefix 0x09 02 ):
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
973 973  
974 974  (% class="box infomessage" %)
975 975  (((
... ... @@ -982,7 +982,7 @@
982 982  
983 983  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
984 984  
985 -* AT Command:
928 +* (% style="color:#037691" %)AT Command:
986 986  
987 987  (% class="box infomessage" %)
988 988  (((
... ... @@ -990,7 +990,7 @@
990 990  )))
991 991  
992 992  
993 -* Downlink Payload (prefix 0xAA 01 ):
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
994 994  
995 995  (% class="box infomessage" %)
996 996  (((
... ... @@ -1003,7 +1003,7 @@
1003 1003  
1004 1004  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1005 1005  
1006 -* AT Command:
949 +* (% style="color:#037691" %)AT Command:
1007 1007  
1008 1008  (% class="box infomessage" %)
1009 1009  (((
... ... @@ -1011,7 +1011,7 @@
1011 1011  )))
1012 1012  
1013 1013  
1014 -* Downlink Payload (prefix 0xAA 00 ):
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
1015 1015  
1016 1016  (% class="box infomessage" %)
1017 1017  (((
... ... @@ -1024,7 +1024,7 @@
1024 1024  
1025 1025  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1026 1026  
1027 -* AT Command:
970 +* (% style="color:#037691" %)AT Command:
1028 1028  
1029 1029  (% class="box infomessage" %)
1030 1030  (((
... ... @@ -1032,7 +1032,7 @@
1032 1032  )))
1033 1033  
1034 1034  
1035 -* Downlink Payload (prefix 0xAC ):
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
1036 1036  
1037 1037  (% class="box infomessage" %)
1038 1038  (((
... ... @@ -1043,12 +1043,12 @@
1043 1043  
1044 1044  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1045 1045  
1046 -* AT Command:
989 +* (% style="color:#037691" %)AT Command:
1047 1047  
1048 1048  There is no AT Command to control Digital Output
1049 1049  
1050 1050  
1051 -* Downlink Payload (prefix 0x02):
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
1052 1052  
1053 1053  (% class="box infomessage" %)
1054 1054  (((
... ... @@ -1077,12 +1077,12 @@
1077 1077  
1078 1078  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1079 1079  
1080 -* AT Command:
1023 +* (% style="color:#037691" %)AT Command:
1081 1081  
1082 1082  There is no AT Command to control Digital Output
1083 1083  
1084 1084  
1085 -* Downlink Payload (prefix 0xA9):
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1086 1086  
1087 1087  (% class="box infomessage" %)
1088 1088  (((
... ... @@ -1146,12 +1146,12 @@
1146 1146  
1147 1147  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1148 1148  
1149 -* AT Command:
1092 +* (% style="color:#037691" %)AT Command:
1150 1150  
1151 1151  There is no AT Command to control Relay Output
1152 1152  
1153 1153  
1154 -* Downlink Payload (prefix 0x03):
1097 +* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1155 1155  
1156 1156  (% class="box infomessage" %)
1157 1157  (((
... ... @@ -1176,12 +1176,12 @@
1176 1176  
1177 1177  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1178 1178  
1179 -* AT Command:
1122 +* (% style="color:#037691" %)AT Command:
1180 1180  
1181 1181  There is no AT Command to control Relay Output
1182 1182  
1183 1183  
1184 -* Downlink Payload (prefix 0x05):
1127 +* (% style="color:#037691" %)Downlink Payload (prefix 0x05):
1185 1185  
1186 1186  (% class="box infomessage" %)
1187 1187  (((
... ... @@ -1233,7 +1233,7 @@
1233 1233  
1234 1234  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1235 1235  
1236 -* AT Command:
1179 +* (% style="color:#037691" %)AT Command:
1237 1237  
1238 1238  (% class="box infomessage" %)
1239 1239  (((
... ... @@ -1241,7 +1241,7 @@
1241 1241  )))
1242 1242  
1243 1243  
1244 -* Downlink Payload (prefix 0xA5):
1187 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA5):
1245 1245  
1246 1246  (% class="box infomessage" %)
1247 1247  (((
... ... @@ -1252,7 +1252,7 @@
1252 1252  
1253 1253  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1254 1254  
1255 -* AT Command:
1198 +* (% style="color:#037691" %)AT Command:
1256 1256  
1257 1257  (% class="box infomessage" %)
1258 1258  (((
... ... @@ -1268,7 +1268,7 @@
1268 1268  Bb cc dd ee: number to be set
1269 1269  
1270 1270  
1271 -* Downlink Payload (prefix 0xA8):
1214 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA8):
1272 1272  
1273 1273  (% class="box infomessage" %)
1274 1274  (((
... ... @@ -1281,38 +1281,28 @@
1281 1281  
1282 1282  Clear counting for counting mode
1283 1283  
1284 -* AT Command:
1227 +* (% style="color:#037691" %)**AT Command:**
1285 1285  
1286 -(% class="box infomessage" %)
1287 -(((
1288 -**AT+CLRCOUNT ~/~/ clear all counting**
1289 -)))
1229 +(% style="color:#037691" %)​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1290 1290  
1291 -* Downlink Payload (prefix 0xA6):
1292 1292  
1293 -(% class="box infomessage" %)
1294 -(((
1295 -**0x A6 01     ~/~/ clear all counting,**
1296 -)))
1232 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1297 1297  
1234 +**0x A6 01    ** ~/~/ clear all counting
1298 1298  
1299 1299  
1237 +
1300 1300  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1301 1301  
1302 -* AT Command:
1240 +* (% style="color:#037691" %)**AT Command:**
1303 1303  
1304 -(% class="box infomessage" %)
1305 -(((
1306 -**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 -)))
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)
1308 1308  
1309 -* Downlink Payload (prefix 0xA7):
1310 1310  
1311 -(% class="box infomessage" %)
1312 -(((
1313 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1314 -)))
1245 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1315 1315  
1247 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1248 +
1316 1316  (((
1317 1317  range: aa bb cc:0 to 16777215,  (unit:second)
1318 1318  
... ... @@ -2009,8 +2009,16 @@
2009 2009  )))
2010 2010  
2011 2011  (((
2012 -
1945 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2013 2013  
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 +
2014 2014  = 6. Trouble Shooting =
2015 2015  )))
2016 2016  

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