Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.103 >
edited by Xiaoling
on 2022/06/10 09:34
To version < 82.10 >
edited by Xiaoling
on 2022/06/20 11:41
>
Change comment: There is no comment for this version

Summary

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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  (((
... ... @@ -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  
... ... @@ -159,6 +159,8 @@
159 159  * (((
160 160  Packet engine up to 256 bytes with CRC.
161 161  
169 +
170 +
162 162  
163 163  )))
164 164  
... ... @@ -172,6 +172,8 @@
172 172  * Firmware upgradable via program port
173 173  * Counting
174 174  
184 +
185 +
175 175  == 1.4  Applications ==
176 176  
177 177  * Smart Buildings & Home Automation
... ... @@ -181,6 +181,8 @@
181 181  * Smart Cities
182 182  * Smart Factory
183 183  
195 +
196 +
184 184  == 1.5 Hardware Variants ==
185 185  
186 186  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -194,6 +194,7 @@
194 194  * 1 x Counting Port
195 195  )))
196 196  
210 +
197 197  = 2. Power ON Device =
198 198  
199 199  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.
... ... @@ -216,8 +216,6 @@
216 216  
217 217  (((
218 218  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.
219 -
220 -
221 221  )))
222 222  
223 223  
... ... @@ -277,6 +277,7 @@
277 277  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
278 278  
279 279  
292 +
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.
... ... @@ -315,7 +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 -
319 319  **LT22222-L:**
320 320  
321 321  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -332,6 +332,7 @@
332 332  ** DO1 LED is off in both case
333 333  
334 334  
347 +
335 335  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
336 336  
337 337  
... ... @@ -368,12 +368,7 @@
368 368  (((
369 369  (((
370 370  **AT+MOD=2**
371 -)))
372 -)))
373 373  
374 -(% class="box infomessage" %)
375 -(((
376 -(((
377 377  **ATZ**
378 378  )))
379 379  )))
... ... @@ -392,40 +392,15 @@
392 392  (((
393 393  (((
394 394  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
395 -)))
396 -)))
397 397  
398 -(% class="box infomessage" %)
399 -(((
400 -(((
401 401  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
402 -)))
403 -)))
404 404  
405 -(% class="box infomessage" %)
406 -(((
407 -(((
408 408  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
409 -)))
410 -)))
411 411  
412 -(% class="box infomessage" %)
413 -(((
414 -(((
415 415  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
416 -)))
417 -)))
418 418  
419 -(% class="box infomessage" %)
420 -(((
421 -(((
422 422  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
423 -)))
424 -)))
425 425  
426 -(% class="box infomessage" %)
427 -(((
428 -(((
429 429  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
430 430  )))
431 431  )))
... ... @@ -460,12 +460,7 @@
460 460  (((
461 461  (((
462 462  **AT+MOD=3**
463 -)))
464 -)))
465 465  
466 -(% class="box infomessage" %)
467 -(((
468 -(((
469 469  **ATZ**
470 470  )))
471 471  )))
... ... @@ -472,11 +472,10 @@
472 472  
473 473  (((
474 474  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
475 -
476 -
477 477  )))
478 478  
479 479  
456 +
480 480  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
481 481  
482 482  
... ... @@ -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  
497 +
528 528  (((
529 529  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
530 530  )))
... ... @@ -538,33 +538,17 @@
538 538  (% class="box infomessage" %)
539 539  (((
540 540  (((
541 -**AT+SETCNT=3,60   (set AVI Count to 60)**
542 -)))
543 -)))
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
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 -)))
513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
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 -)))
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower 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)**
517 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
563 563  )))
564 564  )))
565 565  
566 566  
567 -
568 568  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
569 569  
570 570  
... ... @@ -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  )))
... ... @@ -629,9 +629,8 @@
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  
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
632 632  
633 -**AT Command to set Trigger Condition**:
634 -
635 635  (% style="color:#4f81bd" %)**Trigger base on voltage**:
636 636  
637 637  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -666,7 +666,7 @@
666 666  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
667 667  
668 668  
669 -**Downlink Command to set Trigger Condition:**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
670 670  
671 671  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
672 672  
... ... @@ -709,7 +709,6 @@
709 709  
710 710  * Each bits shows if the corresponding trigger has been configured.
711 711  
712 -
713 713  **Example:**
714 714  
715 715  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -721,7 +721,6 @@
721 721  
722 722  * Each bits shows which status has been trigger on this uplink.
723 723  
724 -
725 725  **Example:**
726 726  
727 727  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -733,7 +733,6 @@
733 733  
734 734  * Each bits shows which status has been trigger on this uplink.
735 735  
736 -
737 737  **Example:**
738 738  
739 739  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -762,7 +762,6 @@
762 762  )))
763 763  
764 764  
765 -
766 766  == 3.4 ​Configure LT via AT or Downlink ==
767 767  
768 768  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -776,6 +776,7 @@
776 776  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
777 777  
778 778  
723 +
779 779  === 3.4.1 Common Commands ===
780 780  
781 781  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]]
... ... @@ -788,7 +788,7 @@
788 788  
789 789  Set device uplink interval.
790 790  
791 -* AT Command:
736 +* (% style="color:#037691" %)**AT Command:**
792 792  
793 793  (% class="box infomessage" %)
794 794  (((
... ... @@ -798,7 +798,7 @@
798 798  **Example: **AT+TDC=30000. Means set interval to 30 seconds
799 799  
800 800  
801 -* Downlink Payload (prefix 0x01):
746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
802 802  
803 803  (% class="box infomessage" %)
804 804  (((
... ... @@ -811,7 +811,7 @@
811 811  
812 812  Set work mode.
813 813  
814 -* AT Command:
759 +* (% style="color:#037691" %)**AT Command:**
815 815  
816 816  (% class="box infomessage" %)
817 817  (((
... ... @@ -821,7 +821,7 @@
821 821  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
822 822  
823 823  
824 -* Downlink Payload (prefix 0x0A):
769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
825 825  
826 826  (% class="box infomessage" %)
827 827  (((
... ... @@ -832,12 +832,12 @@
832 832  
833 833  ==== 3.4.2.3 Poll an uplink ====
834 834  
835 -* AT Command:
780 +* (% style="color:#037691" %)AT Command:
836 836  
837 837  There is no AT Command to poll uplink
838 838  
839 839  
840 -* Downlink Payload (prefix 0x08):
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
841 841  
842 842  (% class="box infomessage" %)
843 843  (((
... ... @@ -852,7 +852,7 @@
852 852  
853 853  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
854 854  
855 -* AT Command:
800 +* (% style="color:#037691" %)AT Command:
856 856  
857 857  (% class="box infomessage" %)
858 858  (((
... ... @@ -864,7 +864,7 @@
864 864  0: Disable Trigger Mode
865 865  
866 866  
867 -* Downlink Payload (prefix 0x0A 06):
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
868 868  
869 869  (% class="box infomessage" %)
870 870  (((
... ... @@ -877,12 +877,12 @@
877 877  
878 878  Poll trigger settings,
879 879  
880 -* AT Command:
825 +* (% style="color:#037691" %)AT Command:
881 881  
882 882  There is no AT Command for this feature.
883 883  
884 884  
885 -* Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
886 886  
887 887  (% class="box infomessage" %)
888 888  (((
... ... @@ -895,7 +895,7 @@
895 895  
896 896  Enable Disable DI1/DI2/DI2 as trigger,
897 897  
898 -* AT Command:
843 +* (% style="color:#037691" %)AT Command:
899 899  
900 900  (% class="box infomessage" %)
901 901  (((
... ... @@ -907,7 +907,7 @@
907 907  
908 908  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
909 909  
910 -* Downlink Payload (prefix 0xAA 02):
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
911 911  
912 912  (% class="box infomessage" %)
913 913  (((
... ... @@ -920,7 +920,7 @@
920 920  
921 921  Set DI1 or DI3(for LT-33222-L) trigger.
922 922  
923 -* AT Command:
868 +* (% style="color:#037691" %)AT Command:
924 924  
925 925  (% class="box infomessage" %)
926 926  (((
... ... @@ -937,7 +937,7 @@
937 937  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
938 938  
939 939  
940 -* Downlink Payload (prefix 0x09 01 ):
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
941 941  
942 942  (% class="box infomessage" %)
943 943  (((
... ... @@ -950,7 +950,7 @@
950 950  
951 951  Set DI2 trigger.
952 952  
953 -* AT Command:
898 +* (% style="color:#037691" %)AT Command:
954 954  
955 955  (% class="box infomessage" %)
956 956  (((
... ... @@ -967,7 +967,7 @@
967 967  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
968 968  
969 969  
970 -* Downlink Payload (prefix 0x09 02 ):
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
971 971  
972 972  (% class="box infomessage" %)
973 973  (((
... ... @@ -980,7 +980,7 @@
980 980  
981 981  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
982 982  
983 -* AT Command:
928 +* (% style="color:#037691" %)AT Command:
984 984  
985 985  (% class="box infomessage" %)
986 986  (((
... ... @@ -988,7 +988,7 @@
988 988  )))
989 989  
990 990  
991 -* Downlink Payload (prefix 0xAA 01 ):
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
992 992  
993 993  (% class="box infomessage" %)
994 994  (((
... ... @@ -1001,7 +1001,7 @@
1001 1001  
1002 1002  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1003 1003  
1004 -* AT Command:
949 +* (% style="color:#037691" %)AT Command:
1005 1005  
1006 1006  (% class="box infomessage" %)
1007 1007  (((
... ... @@ -1009,7 +1009,7 @@
1009 1009  )))
1010 1010  
1011 1011  
1012 -* Downlink Payload (prefix 0xAA 00 ):
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
1013 1013  
1014 1014  (% class="box infomessage" %)
1015 1015  (((
... ... @@ -1022,7 +1022,7 @@
1022 1022  
1023 1023  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1024 1024  
1025 -* AT Command:
970 +* (% style="color:#037691" %)AT Command:
1026 1026  
1027 1027  (% class="box infomessage" %)
1028 1028  (((
... ... @@ -1030,7 +1030,7 @@
1030 1030  )))
1031 1031  
1032 1032  
1033 -* Downlink Payload (prefix 0xAC ):
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
1034 1034  
1035 1035  (% class="box infomessage" %)
1036 1036  (((
... ... @@ -1041,12 +1041,12 @@
1041 1041  
1042 1042  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1043 1043  
1044 -* AT Command:
989 +* (% style="color:#037691" %)AT Command:
1045 1045  
1046 1046  There is no AT Command to control Digital Output
1047 1047  
1048 1048  
1049 -* Downlink Payload (prefix 0x02):
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
1050 1050  
1051 1051  (% class="box infomessage" %)
1052 1052  (((
... ... @@ -1075,12 +1075,12 @@
1075 1075  
1076 1076  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1077 1077  
1078 -* AT Command:
1023 +* (% style="color:#037691" %)AT Command:
1079 1079  
1080 1080  There is no AT Command to control Digital Output
1081 1081  
1082 1082  
1083 -* Downlink Payload (prefix 0xA9):
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1084 1084  
1085 1085  (% class="box infomessage" %)
1086 1086  (((
... ... @@ -1144,12 +1144,12 @@
1144 1144  
1145 1145  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1146 1146  
1147 -* AT Command:
1092 +* (% style="color:#037691" %)AT Command:
1148 1148  
1149 1149  There is no AT Command to control Relay Output
1150 1150  
1151 1151  
1152 -* Downlink Payload (prefix 0x03):
1097 +* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1153 1153  
1154 1154  (% class="box infomessage" %)
1155 1155  (((
... ... @@ -1174,12 +1174,12 @@
1174 1174  
1175 1175  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1176 1176  
1177 -* AT Command:
1122 +* (% style="color:#037691" %)AT Command:
1178 1178  
1179 1179  There is no AT Command to control Relay Output
1180 1180  
1181 1181  
1182 -* Downlink Payload (prefix 0x05):
1127 +* (% style="color:#037691" %)Downlink Payload (prefix 0x05):
1183 1183  
1184 1184  (% class="box infomessage" %)
1185 1185  (((
... ... @@ -1231,7 +1231,7 @@
1231 1231  
1232 1232  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1233 1233  
1234 -* AT Command:
1179 +* (% style="color:#037691" %)AT Command:
1235 1235  
1236 1236  (% class="box infomessage" %)
1237 1237  (((
... ... @@ -1239,7 +1239,7 @@
1239 1239  )))
1240 1240  
1241 1241  
1242 -* Downlink Payload (prefix 0xA5):
1187 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA5):
1243 1243  
1244 1244  (% class="box infomessage" %)
1245 1245  (((
... ... @@ -1250,7 +1250,7 @@
1250 1250  
1251 1251  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1252 1252  
1253 -* AT Command:
1198 +* (% style="color:#037691" %)AT Command:
1254 1254  
1255 1255  (% class="box infomessage" %)
1256 1256  (((
... ... @@ -1266,7 +1266,7 @@
1266 1266  Bb cc dd ee: number to be set
1267 1267  
1268 1268  
1269 -* Downlink Payload (prefix 0xA8):
1214 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA8):
1270 1270  
1271 1271  (% class="box infomessage" %)
1272 1272  (((
... ... @@ -1279,7 +1279,7 @@
1279 1279  
1280 1280  Clear counting for counting mode
1281 1281  
1282 -* AT Command:
1227 +* (% style="color:#037691" %)AT Command:
1283 1283  
1284 1284  (% class="box infomessage" %)
1285 1285  (((
... ... @@ -1286,7 +1286,7 @@
1286 1286  **AT+CLRCOUNT ~/~/ clear all counting**
1287 1287  )))
1288 1288  
1289 -* Downlink Payload (prefix 0xA6):
1234 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA6):
1290 1290  
1291 1291  (% class="box infomessage" %)
1292 1292  (((
... ... @@ -1297,7 +1297,7 @@
1297 1297  
1298 1298  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1299 1299  
1300 -* AT Command:
1245 +* (% style="color:#037691" %)AT Command:
1301 1301  
1302 1302  (% class="box infomessage" %)
1303 1303  (((
... ... @@ -1304,7 +1304,7 @@
1304 1304  **AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1305 1305  )))
1306 1306  
1307 -* Downlink Payload (prefix 0xA7):
1252 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA7):
1308 1308  
1309 1309  (% class="box infomessage" %)
1310 1310  (((
... ... @@ -2007,8 +2007,16 @@
2007 2007  )))
2008 2008  
2009 2009  (((
2010 -
1955 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2011 2011  
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 +
2012 2012  = 6. Trouble Shooting =
2013 2013  )))
2014 2014  

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