Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 79.2 >
edited by Xiaoling
on 2022/06/10 09:40
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  (((
... ... @@ -162,6 +162,10 @@
162 162  )))
163 163  * (((
164 164  Packet engine up to 256 bytes with CRC.
168 +
169 +
170 +
171 +
165 165  )))
166 166  
167 167  == 1.3 Features ==
... ... @@ -174,6 +174,8 @@
174 174  * Firmware upgradable via program port
175 175  * Counting
176 176  
184 +
185 +
177 177  == 1.4  Applications ==
178 178  
179 179  * Smart Buildings & Home Automation
... ... @@ -183,6 +183,8 @@
183 183  * Smart Cities
184 184  * Smart Factory
185 185  
195 +
196 +
186 186  == 1.5 Hardware Variants ==
187 187  
188 188  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -196,6 +196,7 @@
196 196  * 1 x Counting Port
197 197  )))
198 198  
210 +
199 199  = 2. Power ON Device =
200 200  
201 201  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.
... ... @@ -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.
... ... @@ -315,8 +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 -
320 320  **LT22222-L:**
321 321  
322 322  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -333,6 +333,7 @@
333 333  ** DO1 LED is off in both case
334 334  
335 335  
347 +
336 336  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
337 337  
338 338  
... ... @@ -369,12 +369,7 @@
369 369  (((
370 370  (((
371 371  **AT+MOD=2**
372 -)))
373 -)))
374 374  
375 -(% class="box infomessage" %)
376 -(((
377 -(((
378 378  **ATZ**
379 379  )))
380 380  )))
... ... @@ -393,40 +393,15 @@
393 393  (((
394 394  (((
395 395  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
396 -)))
397 -)))
398 398  
399 -(% class="box infomessage" %)
400 -(((
401 -(((
402 402  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
403 -)))
404 -)))
405 405  
406 -(% class="box infomessage" %)
407 -(((
408 -(((
409 409  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
410 -)))
411 -)))
412 412  
413 -(% class="box infomessage" %)
414 -(((
415 -(((
416 416  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
417 -)))
418 -)))
419 419  
420 -(% class="box infomessage" %)
421 -(((
422 -(((
423 423  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
424 -)))
425 -)))
426 426  
427 -(% class="box infomessage" %)
428 -(((
429 -(((
430 430  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
431 431  )))
432 432  )))
... ... @@ -461,12 +461,7 @@
461 461  (((
462 462  (((
463 463  **AT+MOD=3**
464 -)))
465 -)))
466 466  
467 -(% class="box infomessage" %)
468 -(((
469 -(((
470 470  **ATZ**
471 471  )))
472 472  )))
... ... @@ -473,8 +473,6 @@
473 473  
474 474  (((
475 475  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
476 -
477 -
478 478  )))
479 479  
480 480  
... ... @@ -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  )))
... ... @@ -631,7 +631,7 @@
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  
634 -**AT Command to set Trigger Condition**:
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
635 635  
636 636  (% style="color:#4f81bd" %)**Trigger base on voltage**:
637 637  
... ... @@ -667,7 +667,7 @@
667 667  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
668 668  
669 669  
670 -**Downlink Command to set Trigger Condition:**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
671 671  
672 672  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
673 673  
... ... @@ -760,7 +760,6 @@
760 760  )))
761 761  
762 762  
763 -
764 764  == 3.4 ​Configure LT via AT or Downlink ==
765 765  
766 766  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -773,6 +773,8 @@
773 773  
774 774  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
775 775  
722 +
723 +
776 776  === 3.4.1 Common Commands ===
777 777  
778 778  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]]
... ... @@ -785,7 +785,7 @@
785 785  
786 786  Set device uplink interval.
787 787  
788 -* AT Command:
736 +* (% style="color:#037691" %)**AT Command:**
789 789  
790 790  (% class="box infomessage" %)
791 791  (((
... ... @@ -795,7 +795,7 @@
795 795  **Example: **AT+TDC=30000. Means set interval to 30 seconds
796 796  
797 797  
798 -* Downlink Payload (prefix 0x01):
746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
799 799  
800 800  (% class="box infomessage" %)
801 801  (((
... ... @@ -808,7 +808,7 @@
808 808  
809 809  Set work mode.
810 810  
811 -* AT Command:
759 +* (% style="color:#037691" %)**AT Command:**
812 812  
813 813  (% class="box infomessage" %)
814 814  (((
... ... @@ -818,7 +818,7 @@
818 818  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
819 819  
820 820  
821 -* Downlink Payload (prefix 0x0A):
769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
822 822  
823 823  (% class="box infomessage" %)
824 824  (((
... ... @@ -829,12 +829,12 @@
829 829  
830 830  ==== 3.4.2.3 Poll an uplink ====
831 831  
832 -* AT Command:
780 +* (% style="color:#037691" %)AT Command:
833 833  
834 834  There is no AT Command to poll uplink
835 835  
836 836  
837 -* Downlink Payload (prefix 0x08):
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
838 838  
839 839  (% class="box infomessage" %)
840 840  (((
... ... @@ -849,7 +849,7 @@
849 849  
850 850  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
851 851  
852 -* AT Command:
800 +* (% style="color:#037691" %)AT Command:
853 853  
854 854  (% class="box infomessage" %)
855 855  (((
... ... @@ -861,7 +861,7 @@
861 861  0: Disable Trigger Mode
862 862  
863 863  
864 -* Downlink Payload (prefix 0x0A 06):
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
865 865  
866 866  (% class="box infomessage" %)
867 867  (((
... ... @@ -874,12 +874,12 @@
874 874  
875 875  Poll trigger settings,
876 876  
877 -* AT Command:
825 +* (% style="color:#037691" %)AT Command:
878 878  
879 879  There is no AT Command for this feature.
880 880  
881 881  
882 -* Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
883 883  
884 884  (% class="box infomessage" %)
885 885  (((
... ... @@ -892,7 +892,7 @@
892 892  
893 893  Enable Disable DI1/DI2/DI2 as trigger,
894 894  
895 -* AT Command:
843 +* (% style="color:#037691" %)AT Command:
896 896  
897 897  (% class="box infomessage" %)
898 898  (((
... ... @@ -904,7 +904,7 @@
904 904  
905 905  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
906 906  
907 -* Downlink Payload (prefix 0xAA 02):
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
908 908  
909 909  (% class="box infomessage" %)
910 910  (((
... ... @@ -917,7 +917,7 @@
917 917  
918 918  Set DI1 or DI3(for LT-33222-L) trigger.
919 919  
920 -* AT Command:
868 +* (% style="color:#037691" %)AT Command:
921 921  
922 922  (% class="box infomessage" %)
923 923  (((
... ... @@ -934,7 +934,7 @@
934 934  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
935 935  
936 936  
937 -* Downlink Payload (prefix 0x09 01 ):
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
938 938  
939 939  (% class="box infomessage" %)
940 940  (((
... ... @@ -947,7 +947,7 @@
947 947  
948 948  Set DI2 trigger.
949 949  
950 -* AT Command:
898 +* (% style="color:#037691" %)AT Command:
951 951  
952 952  (% class="box infomessage" %)
953 953  (((
... ... @@ -964,7 +964,7 @@
964 964  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
965 965  
966 966  
967 -* Downlink Payload (prefix 0x09 02 ):
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
968 968  
969 969  (% class="box infomessage" %)
970 970  (((
... ... @@ -977,7 +977,7 @@
977 977  
978 978  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
979 979  
980 -* AT Command:
928 +* (% style="color:#037691" %)AT Command:
981 981  
982 982  (% class="box infomessage" %)
983 983  (((
... ... @@ -985,7 +985,7 @@
985 985  )))
986 986  
987 987  
988 -* Downlink Payload (prefix 0xAA 01 ):
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
989 989  
990 990  (% class="box infomessage" %)
991 991  (((
... ... @@ -998,7 +998,7 @@
998 998  
999 999  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1000 1000  
1001 -* AT Command:
949 +* (% style="color:#037691" %)AT Command:
1002 1002  
1003 1003  (% class="box infomessage" %)
1004 1004  (((
... ... @@ -1006,7 +1006,7 @@
1006 1006  )))
1007 1007  
1008 1008  
1009 -* Downlink Payload (prefix 0xAA 00 ):
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
1010 1010  
1011 1011  (% class="box infomessage" %)
1012 1012  (((
... ... @@ -1019,7 +1019,7 @@
1019 1019  
1020 1020  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1021 1021  
1022 -* AT Command:
970 +* (% style="color:#037691" %)AT Command:
1023 1023  
1024 1024  (% class="box infomessage" %)
1025 1025  (((
... ... @@ -1027,7 +1027,7 @@
1027 1027  )))
1028 1028  
1029 1029  
1030 -* Downlink Payload (prefix 0xAC ):
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
1031 1031  
1032 1032  (% class="box infomessage" %)
1033 1033  (((
... ... @@ -1038,12 +1038,12 @@
1038 1038  
1039 1039  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1040 1040  
1041 -* AT Command:
989 +* (% style="color:#037691" %)AT Command:
1042 1042  
1043 1043  There is no AT Command to control Digital Output
1044 1044  
1045 1045  
1046 -* Downlink Payload (prefix 0x02):
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
1047 1047  
1048 1048  (% class="box infomessage" %)
1049 1049  (((
... ... @@ -1072,12 +1072,12 @@
1072 1072  
1073 1073  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1074 1074  
1075 -* AT Command:
1023 +* (% style="color:#037691" %)AT Command:
1076 1076  
1077 1077  There is no AT Command to control Digital Output
1078 1078  
1079 1079  
1080 -* Downlink Payload (prefix 0xA9):
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1081 1081  
1082 1082  (% class="box infomessage" %)
1083 1083  (((
... ... @@ -1141,12 +1141,12 @@
1141 1141  
1142 1142  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1143 1143  
1144 -* AT Command:
1092 +* (% style="color:#037691" %)AT Command:
1145 1145  
1146 1146  There is no AT Command to control Relay Output
1147 1147  
1148 1148  
1149 -* Downlink Payload (prefix 0x03):
1097 +* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1150 1150  
1151 1151  (% class="box infomessage" %)
1152 1152  (((
... ... @@ -1171,12 +1171,12 @@
1171 1171  
1172 1172  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1173 1173  
1174 -* AT Command:
1122 +* (% style="color:#037691" %)AT Command:
1175 1175  
1176 1176  There is no AT Command to control Relay Output
1177 1177  
1178 1178  
1179 -* Downlink Payload (prefix 0x05):
1127 +* (% style="color:#037691" %)Downlink Payload (prefix 0x05):
1180 1180  
1181 1181  (% class="box infomessage" %)
1182 1182  (((
... ... @@ -1228,7 +1228,7 @@
1228 1228  
1229 1229  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1230 1230  
1231 -* AT Command:
1179 +* (% style="color:#037691" %)AT Command:
1232 1232  
1233 1233  (% class="box infomessage" %)
1234 1234  (((
... ... @@ -1236,7 +1236,7 @@
1236 1236  )))
1237 1237  
1238 1238  
1239 -* Downlink Payload (prefix 0xA5):
1187 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA5):
1240 1240  
1241 1241  (% class="box infomessage" %)
1242 1242  (((
... ... @@ -1247,7 +1247,7 @@
1247 1247  
1248 1248  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1249 1249  
1250 -* AT Command:
1198 +* (% style="color:#037691" %)AT Command:
1251 1251  
1252 1252  (% class="box infomessage" %)
1253 1253  (((
... ... @@ -1263,7 +1263,7 @@
1263 1263  Bb cc dd ee: number to be set
1264 1264  
1265 1265  
1266 -* Downlink Payload (prefix 0xA8):
1214 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA8):
1267 1267  
1268 1268  (% class="box infomessage" %)
1269 1269  (((
... ... @@ -1276,7 +1276,7 @@
1276 1276  
1277 1277  Clear counting for counting mode
1278 1278  
1279 -* AT Command:
1227 +* (% style="color:#037691" %)AT Command:
1280 1280  
1281 1281  (% class="box infomessage" %)
1282 1282  (((
... ... @@ -1283,7 +1283,7 @@
1283 1283  **AT+CLRCOUNT ~/~/ clear all counting**
1284 1284  )))
1285 1285  
1286 -* Downlink Payload (prefix 0xA6):
1234 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA6):
1287 1287  
1288 1288  (% class="box infomessage" %)
1289 1289  (((
... ... @@ -1294,7 +1294,7 @@
1294 1294  
1295 1295  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1296 1296  
1297 -* AT Command:
1245 +* (% style="color:#037691" %)AT Command:
1298 1298  
1299 1299  (% class="box infomessage" %)
1300 1300  (((
... ... @@ -1301,7 +1301,7 @@
1301 1301  **AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1302 1302  )))
1303 1303  
1304 -* Downlink Payload (prefix 0xA7):
1252 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA7):
1305 1305  
1306 1306  (% class="box infomessage" %)
1307 1307  (((
... ... @@ -2004,8 +2004,16 @@
2004 2004  )))
2005 2005  
2006 2006  (((
2007 -
1955 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2008 2008  
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 +
2009 2009  = 6. Trouble Shooting =
2010 2010  )))
2011 2011  

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