Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.106 >
edited by Xiaoling
on 2022/06/10 09:35
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  
... ... @@ -159,6 +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  
... ... @@ -316,7 +316,6 @@
316 316  * [1] RO1 relay channel is close and the RO1 LED is ON.
317 317  * [0] RO2 relay channel is open and RO2 LED is OFF;
318 318  
319 -
320 320  **LT22222-L:**
321 321  
322 322  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -370,12 +370,7 @@
370 370  (((
371 371  (((
372 372  **AT+MOD=2**
373 -)))
374 -)))
375 375  
376 -(% class="box infomessage" %)
377 -(((
378 -(((
379 379  **ATZ**
380 380  )))
381 381  )))
... ... @@ -394,40 +394,15 @@
394 394  (((
395 395  (((
396 396  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
397 -)))
398 -)))
399 399  
400 -(% class="box infomessage" %)
401 -(((
402 -(((
403 403  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
404 -)))
405 -)))
406 406  
407 -(% class="box infomessage" %)
408 -(((
409 -(((
410 410  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
411 -)))
412 -)))
413 413  
414 -(% class="box infomessage" %)
415 -(((
416 -(((
417 417  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
418 -)))
419 -)))
420 420  
421 -(% class="box infomessage" %)
422 -(((
423 -(((
424 424  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
425 -)))
426 -)))
427 427  
428 -(% class="box infomessage" %)
429 -(((
430 -(((
431 431  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
432 432  )))
433 433  )))
... ... @@ -462,12 +462,7 @@
462 462  (((
463 463  (((
464 464  **AT+MOD=3**
465 -)))
466 -)))
467 467  
468 -(% class="box infomessage" %)
469 -(((
470 -(((
471 471  **ATZ**
472 472  )))
473 473  )))
... ... @@ -474,11 +474,10 @@
474 474  
475 475  (((
476 476  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
477 -
478 -
479 479  )))
480 480  
481 481  
456 +
482 482  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
483 483  
484 484  
... ... @@ -513,20 +513,13 @@
513 513  (((
514 514  (((
515 515  **AT+MOD=4**
516 -)))
517 -)))
518 518  
519 -(% class="box infomessage" %)
520 -(((
521 -(((
522 522  **ATZ**
523 523  )))
524 524  )))
525 525  
526 -(((
527 -
528 -)))
529 529  
497 +
530 530  (((
531 531  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
532 532  )))
... ... @@ -540,33 +540,17 @@
540 540  (% class="box infomessage" %)
541 541  (((
542 542  (((
543 -**AT+SETCNT=3,60   (set AVI Count to 60)**
544 -)))
545 -)))
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
546 546  
547 -(% class="box infomessage" %)
548 -(((
549 -(((
550 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
551 -)))
552 -)))
513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
553 553  
554 -(% class="box infomessage" %)
555 -(((
556 -(((
557 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
558 -)))
559 -)))
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
560 560  
561 -(% class="box infomessage" %)
562 -(((
563 -(((
564 -**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)**
565 565  )))
566 566  )))
567 567  
568 568  
569 -
570 570  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
571 571  
572 572  
... ... @@ -600,12 +600,7 @@
600 600  (((
601 601  (((
602 602  **AT+MOD=5**
603 -)))
604 -)))
605 605  
606 -(% class="box infomessage" %)
607 -(((
608 -(((
609 609  **ATZ**
610 610  )))
611 611  )))
... ... @@ -631,9 +631,8 @@
631 631  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
632 632  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.**
633 633  
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
634 634  
635 -**AT Command to set Trigger Condition**:
636 -
637 637  (% style="color:#4f81bd" %)**Trigger base on voltage**:
638 638  
639 639  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -668,7 +668,7 @@
668 668  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
669 669  
670 670  
671 -**Downlink Command to set Trigger Condition:**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
672 672  
673 673  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
674 674  
... ... @@ -711,7 +711,6 @@
711 711  
712 712  * Each bits shows if the corresponding trigger has been configured.
713 713  
714 -
715 715  **Example:**
716 716  
717 717  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -723,7 +723,6 @@
723 723  
724 724  * Each bits shows which status has been trigger on this uplink.
725 725  
726 -
727 727  **Example:**
728 728  
729 729  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -735,7 +735,6 @@
735 735  
736 736  * Each bits shows which status has been trigger on this uplink.
737 737  
738 -
739 739  **Example:**
740 740  
741 741  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -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
... ... @@ -778,6 +778,7 @@
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  
780 780  
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  (((
... ... @@ -1281,7 +1281,7 @@
1281 1281  
1282 1282  Clear counting for counting mode
1283 1283  
1284 -* AT Command:
1227 +* (% style="color:#037691" %)AT Command:
1285 1285  
1286 1286  (% class="box infomessage" %)
1287 1287  (((
... ... @@ -1288,7 +1288,7 @@
1288 1288  **AT+CLRCOUNT ~/~/ clear all counting**
1289 1289  )))
1290 1290  
1291 -* Downlink Payload (prefix 0xA6):
1234 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA6):
1292 1292  
1293 1293  (% class="box infomessage" %)
1294 1294  (((
... ... @@ -1299,7 +1299,7 @@
1299 1299  
1300 1300  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1301 1301  
1302 -* AT Command:
1245 +* (% style="color:#037691" %)AT Command:
1303 1303  
1304 1304  (% class="box infomessage" %)
1305 1305  (((
... ... @@ -1306,7 +1306,7 @@
1306 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 1307  )))
1308 1308  
1309 -* Downlink Payload (prefix 0xA7):
1252 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA7):
1310 1310  
1311 1311  (% class="box infomessage" %)
1312 1312  (((
... ... @@ -2009,8 +2009,16 @@
2009 2009  )))
2010 2010  
2011 2011  (((
2012 -
1955 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2013 2013  
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 +
2014 2014  = 6. Trouble Shooting =
2015 2015  )))
2016 2016  

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