Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.110 >
edited by Xiaoling
on 2022/06/10 09:36
To version < 82.10 >
edited by Xiaoling
on 2022/06/20 11:41
>
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  (((
... ... @@ -76,6 +76,8 @@
76 76  )))
77 77  
78 78  (((
82 +
83 +
79 79  **Interface for Model: LT22222-L:**
80 80  )))
81 81  
... ... @@ -99,6 +99,8 @@
99 99  )))
100 100  
101 101  (((
107 +
108 +
102 102  **LoRa Spec:**
103 103  )))
104 104  
... ... @@ -159,12 +159,11 @@
159 159  * (((
160 160  Packet engine up to 256 bytes with CRC.
161 161  
169 +
170 +
162 162  
163 163  )))
164 164  
165 -
166 -
167 -
168 168  == 1.3 Features ==
169 169  
170 170  * LoRaWAN Class A & Class C protocol
... ... @@ -177,7 +177,6 @@
177 177  
178 178  
179 179  
180 -
181 181  == 1.4  Applications ==
182 182  
183 183  * Smart Buildings & Home Automation
... ... @@ -189,7 +189,6 @@
189 189  
190 190  
191 191  
192 -
193 193  == 1.5 Hardware Variants ==
194 194  
195 195  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -204,7 +204,6 @@
204 204  )))
205 205  
206 206  
207 -
208 208  = 2. Power ON Device =
209 209  
210 210  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.
... ... @@ -325,7 +325,6 @@
325 325  * [1] RO1 relay channel is close and the RO1 LED is ON.
326 326  * [0] RO2 relay channel is open and RO2 LED is OFF;
327 327  
328 -
329 329  **LT22222-L:**
330 330  
331 331  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -379,12 +379,7 @@
379 379  (((
380 380  (((
381 381  **AT+MOD=2**
382 -)))
383 -)))
384 384  
385 -(% class="box infomessage" %)
386 -(((
387 -(((
388 388  **ATZ**
389 389  )))
390 390  )))
... ... @@ -403,40 +403,15 @@
403 403  (((
404 404  (((
405 405  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
406 -)))
407 -)))
408 408  
409 -(% class="box infomessage" %)
410 -(((
411 -(((
412 412  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
413 -)))
414 -)))
415 415  
416 -(% class="box infomessage" %)
417 -(((
418 -(((
419 419  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
420 -)))
421 -)))
422 422  
423 -(% class="box infomessage" %)
424 -(((
425 -(((
426 426  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
427 -)))
428 -)))
429 429  
430 -(% class="box infomessage" %)
431 -(((
432 -(((
433 433  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
434 -)))
435 -)))
436 436  
437 -(% class="box infomessage" %)
438 -(((
439 -(((
440 440  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
441 441  )))
442 442  )))
... ... @@ -471,12 +471,7 @@
471 471  (((
472 472  (((
473 473  **AT+MOD=3**
474 -)))
475 -)))
476 476  
477 -(% class="box infomessage" %)
478 -(((
479 -(((
480 480  **ATZ**
481 481  )))
482 482  )))
... ... @@ -483,11 +483,10 @@
483 483  
484 484  (((
485 485  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
486 -
487 -
488 488  )))
489 489  
490 490  
456 +
491 491  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
492 492  
493 493  
... ... @@ -522,20 +522,13 @@
522 522  (((
523 523  (((
524 524  **AT+MOD=4**
525 -)))
526 -)))
527 527  
528 -(% class="box infomessage" %)
529 -(((
530 -(((
531 531  **ATZ**
532 532  )))
533 533  )))
534 534  
535 -(((
536 -
537 -)))
538 538  
497 +
539 539  (((
540 540  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
541 541  )))
... ... @@ -549,33 +549,17 @@
549 549  (% class="box infomessage" %)
550 550  (((
551 551  (((
552 -**AT+SETCNT=3,60   (set AVI Count to 60)**
553 -)))
554 -)))
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
555 555  
556 -(% class="box infomessage" %)
557 -(((
558 -(((
559 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
560 -)))
561 -)))
513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
562 562  
563 -(% class="box infomessage" %)
564 -(((
565 -(((
566 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
567 -)))
568 -)))
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
569 569  
570 -(% class="box infomessage" %)
571 -(((
572 -(((
573 -**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)**
574 574  )))
575 575  )))
576 576  
577 577  
578 -
579 579  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
580 580  
581 581  
... ... @@ -609,12 +609,7 @@
609 609  (((
610 610  (((
611 611  **AT+MOD=5**
612 -)))
613 -)))
614 614  
615 -(% class="box infomessage" %)
616 -(((
617 -(((
618 618  **ATZ**
619 619  )))
620 620  )))
... ... @@ -640,9 +640,8 @@
640 640  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
641 641  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.**
642 642  
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
643 643  
644 -**AT Command to set Trigger Condition**:
645 -
646 646  (% style="color:#4f81bd" %)**Trigger base on voltage**:
647 647  
648 648  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -677,7 +677,7 @@
677 677  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
678 678  
679 679  
680 -**Downlink Command to set Trigger Condition:**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
681 681  
682 682  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
683 683  
... ... @@ -720,7 +720,6 @@
720 720  
721 721  * Each bits shows if the corresponding trigger has been configured.
722 722  
723 -
724 724  **Example:**
725 725  
726 726  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -732,7 +732,6 @@
732 732  
733 733  * Each bits shows which status has been trigger on this uplink.
734 734  
735 -
736 736  **Example:**
737 737  
738 738  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -744,7 +744,6 @@
744 744  
745 745  * Each bits shows which status has been trigger on this uplink.
746 746  
747 -
748 748  **Example:**
749 749  
750 750  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -773,7 +773,6 @@
773 773  )))
774 774  
775 775  
776 -
777 777  == 3.4 ​Configure LT via AT or Downlink ==
778 778  
779 779  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -787,6 +787,7 @@
787 787  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
788 788  
789 789  
723 +
790 790  === 3.4.1 Common Commands ===
791 791  
792 792  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]]
... ... @@ -799,7 +799,7 @@
799 799  
800 800  Set device uplink interval.
801 801  
802 -* AT Command:
736 +* (% style="color:#037691" %)**AT Command:**
803 803  
804 804  (% class="box infomessage" %)
805 805  (((
... ... @@ -809,7 +809,7 @@
809 809  **Example: **AT+TDC=30000. Means set interval to 30 seconds
810 810  
811 811  
812 -* Downlink Payload (prefix 0x01):
746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
813 813  
814 814  (% class="box infomessage" %)
815 815  (((
... ... @@ -822,7 +822,7 @@
822 822  
823 823  Set work mode.
824 824  
825 -* AT Command:
759 +* (% style="color:#037691" %)**AT Command:**
826 826  
827 827  (% class="box infomessage" %)
828 828  (((
... ... @@ -832,7 +832,7 @@
832 832  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
833 833  
834 834  
835 -* Downlink Payload (prefix 0x0A):
769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
836 836  
837 837  (% class="box infomessage" %)
838 838  (((
... ... @@ -843,12 +843,12 @@
843 843  
844 844  ==== 3.4.2.3 Poll an uplink ====
845 845  
846 -* AT Command:
780 +* (% style="color:#037691" %)AT Command:
847 847  
848 848  There is no AT Command to poll uplink
849 849  
850 850  
851 -* Downlink Payload (prefix 0x08):
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
852 852  
853 853  (% class="box infomessage" %)
854 854  (((
... ... @@ -863,7 +863,7 @@
863 863  
864 864  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
865 865  
866 -* AT Command:
800 +* (% style="color:#037691" %)AT Command:
867 867  
868 868  (% class="box infomessage" %)
869 869  (((
... ... @@ -875,7 +875,7 @@
875 875  0: Disable Trigger Mode
876 876  
877 877  
878 -* Downlink Payload (prefix 0x0A 06):
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
879 879  
880 880  (% class="box infomessage" %)
881 881  (((
... ... @@ -888,12 +888,12 @@
888 888  
889 889  Poll trigger settings,
890 890  
891 -* AT Command:
825 +* (% style="color:#037691" %)AT Command:
892 892  
893 893  There is no AT Command for this feature.
894 894  
895 895  
896 -* Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
897 897  
898 898  (% class="box infomessage" %)
899 899  (((
... ... @@ -906,7 +906,7 @@
906 906  
907 907  Enable Disable DI1/DI2/DI2 as trigger,
908 908  
909 -* AT Command:
843 +* (% style="color:#037691" %)AT Command:
910 910  
911 911  (% class="box infomessage" %)
912 912  (((
... ... @@ -918,7 +918,7 @@
918 918  
919 919  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
920 920  
921 -* Downlink Payload (prefix 0xAA 02):
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
922 922  
923 923  (% class="box infomessage" %)
924 924  (((
... ... @@ -931,7 +931,7 @@
931 931  
932 932  Set DI1 or DI3(for LT-33222-L) trigger.
933 933  
934 -* AT Command:
868 +* (% style="color:#037691" %)AT Command:
935 935  
936 936  (% class="box infomessage" %)
937 937  (((
... ... @@ -948,7 +948,7 @@
948 948  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
949 949  
950 950  
951 -* Downlink Payload (prefix 0x09 01 ):
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
952 952  
953 953  (% class="box infomessage" %)
954 954  (((
... ... @@ -961,7 +961,7 @@
961 961  
962 962  Set DI2 trigger.
963 963  
964 -* AT Command:
898 +* (% style="color:#037691" %)AT Command:
965 965  
966 966  (% class="box infomessage" %)
967 967  (((
... ... @@ -978,7 +978,7 @@
978 978  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
979 979  
980 980  
981 -* Downlink Payload (prefix 0x09 02 ):
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
982 982  
983 983  (% class="box infomessage" %)
984 984  (((
... ... @@ -991,7 +991,7 @@
991 991  
992 992  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
993 993  
994 -* AT Command:
928 +* (% style="color:#037691" %)AT Command:
995 995  
996 996  (% class="box infomessage" %)
997 997  (((
... ... @@ -999,7 +999,7 @@
999 999  )))
1000 1000  
1001 1001  
1002 -* Downlink Payload (prefix 0xAA 01 ):
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
1003 1003  
1004 1004  (% class="box infomessage" %)
1005 1005  (((
... ... @@ -1012,7 +1012,7 @@
1012 1012  
1013 1013  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1014 1014  
1015 -* AT Command:
949 +* (% style="color:#037691" %)AT Command:
1016 1016  
1017 1017  (% class="box infomessage" %)
1018 1018  (((
... ... @@ -1020,7 +1020,7 @@
1020 1020  )))
1021 1021  
1022 1022  
1023 -* Downlink Payload (prefix 0xAA 00 ):
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
1024 1024  
1025 1025  (% class="box infomessage" %)
1026 1026  (((
... ... @@ -1033,7 +1033,7 @@
1033 1033  
1034 1034  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1035 1035  
1036 -* AT Command:
970 +* (% style="color:#037691" %)AT Command:
1037 1037  
1038 1038  (% class="box infomessage" %)
1039 1039  (((
... ... @@ -1041,7 +1041,7 @@
1041 1041  )))
1042 1042  
1043 1043  
1044 -* Downlink Payload (prefix 0xAC ):
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
1045 1045  
1046 1046  (% class="box infomessage" %)
1047 1047  (((
... ... @@ -1052,12 +1052,12 @@
1052 1052  
1053 1053  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1054 1054  
1055 -* AT Command:
989 +* (% style="color:#037691" %)AT Command:
1056 1056  
1057 1057  There is no AT Command to control Digital Output
1058 1058  
1059 1059  
1060 -* Downlink Payload (prefix 0x02):
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
1061 1061  
1062 1062  (% class="box infomessage" %)
1063 1063  (((
... ... @@ -1086,12 +1086,12 @@
1086 1086  
1087 1087  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1088 1088  
1089 -* AT Command:
1023 +* (% style="color:#037691" %)AT Command:
1090 1090  
1091 1091  There is no AT Command to control Digital Output
1092 1092  
1093 1093  
1094 -* Downlink Payload (prefix 0xA9):
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1095 1095  
1096 1096  (% class="box infomessage" %)
1097 1097  (((
... ... @@ -1155,12 +1155,12 @@
1155 1155  
1156 1156  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1157 1157  
1158 -* AT Command:
1092 +* (% style="color:#037691" %)AT Command:
1159 1159  
1160 1160  There is no AT Command to control Relay Output
1161 1161  
1162 1162  
1163 -* Downlink Payload (prefix 0x03):
1097 +* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1164 1164  
1165 1165  (% class="box infomessage" %)
1166 1166  (((
... ... @@ -1185,12 +1185,12 @@
1185 1185  
1186 1186  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1187 1187  
1188 -* AT Command:
1122 +* (% style="color:#037691" %)AT Command:
1189 1189  
1190 1190  There is no AT Command to control Relay Output
1191 1191  
1192 1192  
1193 -* Downlink Payload (prefix 0x05):
1127 +* (% style="color:#037691" %)Downlink Payload (prefix 0x05):
1194 1194  
1195 1195  (% class="box infomessage" %)
1196 1196  (((
... ... @@ -1242,7 +1242,7 @@
1242 1242  
1243 1243  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1244 1244  
1245 -* AT Command:
1179 +* (% style="color:#037691" %)AT Command:
1246 1246  
1247 1247  (% class="box infomessage" %)
1248 1248  (((
... ... @@ -1250,7 +1250,7 @@
1250 1250  )))
1251 1251  
1252 1252  
1253 -* Downlink Payload (prefix 0xA5):
1187 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA5):
1254 1254  
1255 1255  (% class="box infomessage" %)
1256 1256  (((
... ... @@ -1261,7 +1261,7 @@
1261 1261  
1262 1262  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1263 1263  
1264 -* AT Command:
1198 +* (% style="color:#037691" %)AT Command:
1265 1265  
1266 1266  (% class="box infomessage" %)
1267 1267  (((
... ... @@ -1277,7 +1277,7 @@
1277 1277  Bb cc dd ee: number to be set
1278 1278  
1279 1279  
1280 -* Downlink Payload (prefix 0xA8):
1214 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA8):
1281 1281  
1282 1282  (% class="box infomessage" %)
1283 1283  (((
... ... @@ -1290,7 +1290,7 @@
1290 1290  
1291 1291  Clear counting for counting mode
1292 1292  
1293 -* AT Command:
1227 +* (% style="color:#037691" %)AT Command:
1294 1294  
1295 1295  (% class="box infomessage" %)
1296 1296  (((
... ... @@ -1297,7 +1297,7 @@
1297 1297  **AT+CLRCOUNT ~/~/ clear all counting**
1298 1298  )))
1299 1299  
1300 -* Downlink Payload (prefix 0xA6):
1234 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA6):
1301 1301  
1302 1302  (% class="box infomessage" %)
1303 1303  (((
... ... @@ -1308,7 +1308,7 @@
1308 1308  
1309 1309  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1310 1310  
1311 -* AT Command:
1245 +* (% style="color:#037691" %)AT Command:
1312 1312  
1313 1313  (% class="box infomessage" %)
1314 1314  (((
... ... @@ -1315,7 +1315,7 @@
1315 1315  **AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1316 1316  )))
1317 1317  
1318 -* Downlink Payload (prefix 0xA7):
1252 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA7):
1319 1319  
1320 1320  (% class="box infomessage" %)
1321 1321  (((
... ... @@ -2018,8 +2018,16 @@
2018 2018  )))
2019 2019  
2020 2020  (((
2021 -
1955 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2022 2022  
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 +
2023 2023  = 6. Trouble Shooting =
2024 2024  )))
2025 2025  

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