Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 79.3 >
edited by Xiaoling
on 2022/06/10 09:41
To version < 82.11 >
edited by Xiaoling
on 2022/06/20 11:43
>
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  )))
... ... @@ -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  )))
... ... @@ -629,7 +629,7 @@
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  
632 -**AT Command to set Trigger Condition**:
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
633 633  
634 634  (% style="color:#4f81bd" %)**Trigger base on voltage**:
635 635  
... ... @@ -665,7 +665,7 @@
665 665  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
666 666  
667 667  
668 -**Downlink Command to set Trigger Condition:**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
669 669  
670 670  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
671 671  
... ... @@ -770,6 +770,8 @@
770 770  
771 771  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
772 772  
722 +
723 +
773 773  === 3.4.1 Common Commands ===
774 774  
775 775  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]]
... ... @@ -782,7 +782,7 @@
782 782  
783 783  Set device uplink interval.
784 784  
785 -* AT Command:
736 +* (% style="color:#037691" %)**AT Command:**
786 786  
787 787  (% class="box infomessage" %)
788 788  (((
... ... @@ -792,7 +792,7 @@
792 792  **Example: **AT+TDC=30000. Means set interval to 30 seconds
793 793  
794 794  
795 -* Downlink Payload (prefix 0x01):
746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
796 796  
797 797  (% class="box infomessage" %)
798 798  (((
... ... @@ -805,7 +805,7 @@
805 805  
806 806  Set work mode.
807 807  
808 -* AT Command:
759 +* (% style="color:#037691" %)**AT Command:**
809 809  
810 810  (% class="box infomessage" %)
811 811  (((
... ... @@ -815,7 +815,7 @@
815 815  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
816 816  
817 817  
818 -* Downlink Payload (prefix 0x0A):
769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
819 819  
820 820  (% class="box infomessage" %)
821 821  (((
... ... @@ -826,12 +826,12 @@
826 826  
827 827  ==== 3.4.2.3 Poll an uplink ====
828 828  
829 -* AT Command:
780 +* (% style="color:#037691" %)AT Command:
830 830  
831 831  There is no AT Command to poll uplink
832 832  
833 833  
834 -* Downlink Payload (prefix 0x08):
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
835 835  
836 836  (% class="box infomessage" %)
837 837  (((
... ... @@ -846,7 +846,7 @@
846 846  
847 847  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
848 848  
849 -* AT Command:
800 +* (% style="color:#037691" %)AT Command:
850 850  
851 851  (% class="box infomessage" %)
852 852  (((
... ... @@ -858,7 +858,7 @@
858 858  0: Disable Trigger Mode
859 859  
860 860  
861 -* Downlink Payload (prefix 0x0A 06):
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
862 862  
863 863  (% class="box infomessage" %)
864 864  (((
... ... @@ -871,12 +871,12 @@
871 871  
872 872  Poll trigger settings,
873 873  
874 -* AT Command:
825 +* (% style="color:#037691" %)AT Command:
875 875  
876 876  There is no AT Command for this feature.
877 877  
878 878  
879 -* Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
880 880  
881 881  (% class="box infomessage" %)
882 882  (((
... ... @@ -889,7 +889,7 @@
889 889  
890 890  Enable Disable DI1/DI2/DI2 as trigger,
891 891  
892 -* AT Command:
843 +* (% style="color:#037691" %)AT Command:
893 893  
894 894  (% class="box infomessage" %)
895 895  (((
... ... @@ -901,7 +901,7 @@
901 901  
902 902  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
903 903  
904 -* Downlink Payload (prefix 0xAA 02):
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
905 905  
906 906  (% class="box infomessage" %)
907 907  (((
... ... @@ -914,7 +914,7 @@
914 914  
915 915  Set DI1 or DI3(for LT-33222-L) trigger.
916 916  
917 -* AT Command:
868 +* (% style="color:#037691" %)AT Command:
918 918  
919 919  (% class="box infomessage" %)
920 920  (((
... ... @@ -931,7 +931,7 @@
931 931  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
932 932  
933 933  
934 -* Downlink Payload (prefix 0x09 01 ):
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
935 935  
936 936  (% class="box infomessage" %)
937 937  (((
... ... @@ -944,7 +944,7 @@
944 944  
945 945  Set DI2 trigger.
946 946  
947 -* AT Command:
898 +* (% style="color:#037691" %)AT Command:
948 948  
949 949  (% class="box infomessage" %)
950 950  (((
... ... @@ -961,7 +961,7 @@
961 961  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
962 962  
963 963  
964 -* Downlink Payload (prefix 0x09 02 ):
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
965 965  
966 966  (% class="box infomessage" %)
967 967  (((
... ... @@ -974,7 +974,7 @@
974 974  
975 975  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
976 976  
977 -* AT Command:
928 +* (% style="color:#037691" %)AT Command:
978 978  
979 979  (% class="box infomessage" %)
980 980  (((
... ... @@ -982,7 +982,7 @@
982 982  )))
983 983  
984 984  
985 -* Downlink Payload (prefix 0xAA 01 ):
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
986 986  
987 987  (% class="box infomessage" %)
988 988  (((
... ... @@ -995,7 +995,7 @@
995 995  
996 996  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
997 997  
998 -* AT Command:
949 +* (% style="color:#037691" %)AT Command:
999 999  
1000 1000  (% class="box infomessage" %)
1001 1001  (((
... ... @@ -1003,7 +1003,7 @@
1003 1003  )))
1004 1004  
1005 1005  
1006 -* Downlink Payload (prefix 0xAA 00 ):
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
1007 1007  
1008 1008  (% class="box infomessage" %)
1009 1009  (((
... ... @@ -1016,7 +1016,7 @@
1016 1016  
1017 1017  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1018 1018  
1019 -* AT Command:
970 +* (% style="color:#037691" %)AT Command:
1020 1020  
1021 1021  (% class="box infomessage" %)
1022 1022  (((
... ... @@ -1024,7 +1024,7 @@
1024 1024  )))
1025 1025  
1026 1026  
1027 -* Downlink Payload (prefix 0xAC ):
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
1028 1028  
1029 1029  (% class="box infomessage" %)
1030 1030  (((
... ... @@ -1035,12 +1035,12 @@
1035 1035  
1036 1036  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1037 1037  
1038 -* AT Command:
989 +* (% style="color:#037691" %)AT Command:
1039 1039  
1040 1040  There is no AT Command to control Digital Output
1041 1041  
1042 1042  
1043 -* Downlink Payload (prefix 0x02):
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
1044 1044  
1045 1045  (% class="box infomessage" %)
1046 1046  (((
... ... @@ -1069,12 +1069,12 @@
1069 1069  
1070 1070  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1071 1071  
1072 -* AT Command:
1023 +* (% style="color:#037691" %)AT Command:
1073 1073  
1074 1074  There is no AT Command to control Digital Output
1075 1075  
1076 1076  
1077 -* Downlink Payload (prefix 0xA9):
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1078 1078  
1079 1079  (% class="box infomessage" %)
1080 1080  (((
... ... @@ -1138,12 +1138,12 @@
1138 1138  
1139 1139  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1140 1140  
1141 -* AT Command:
1092 +* (% style="color:#037691" %)AT Command:
1142 1142  
1143 1143  There is no AT Command to control Relay Output
1144 1144  
1145 1145  
1146 -* Downlink Payload (prefix 0x03):
1097 +* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1147 1147  
1148 1148  (% class="box infomessage" %)
1149 1149  (((
... ... @@ -1168,12 +1168,12 @@
1168 1168  
1169 1169  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1170 1170  
1171 -* AT Command:
1122 +* (% style="color:#037691" %)AT Command:
1172 1172  
1173 1173  There is no AT Command to control Relay Output
1174 1174  
1175 1175  
1176 -* Downlink Payload (prefix 0x05):
1127 +* (% style="color:#037691" %)Downlink Payload (prefix 0x05):
1177 1177  
1178 1178  (% class="box infomessage" %)
1179 1179  (((
... ... @@ -1225,7 +1225,7 @@
1225 1225  
1226 1226  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1227 1227  
1228 -* AT Command:
1179 +* (% style="color:#037691" %)AT Command:
1229 1229  
1230 1230  (% class="box infomessage" %)
1231 1231  (((
... ... @@ -1233,7 +1233,7 @@
1233 1233  )))
1234 1234  
1235 1235  
1236 -* Downlink Payload (prefix 0xA5):
1187 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA5):
1237 1237  
1238 1238  (% class="box infomessage" %)
1239 1239  (((
... ... @@ -1244,7 +1244,7 @@
1244 1244  
1245 1245  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1246 1246  
1247 -* AT Command:
1198 +* (% style="color:#037691" %)AT Command:
1248 1248  
1249 1249  (% class="box infomessage" %)
1250 1250  (((
... ... @@ -1260,7 +1260,7 @@
1260 1260  Bb cc dd ee: number to be set
1261 1261  
1262 1262  
1263 -* Downlink Payload (prefix 0xA8):
1214 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA8):
1264 1264  
1265 1265  (% class="box infomessage" %)
1266 1266  (((
... ... @@ -1273,7 +1273,7 @@
1273 1273  
1274 1274  Clear counting for counting mode
1275 1275  
1276 -* AT Command:
1227 +* (% style="color:#037691" %)AT Command:
1277 1277  
1278 1278  (% class="box infomessage" %)
1279 1279  (((
... ... @@ -1280,7 +1280,7 @@
1280 1280  **AT+CLRCOUNT ~/~/ clear all counting**
1281 1281  )))
1282 1282  
1283 -* Downlink Payload (prefix 0xA6):
1234 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA6):
1284 1284  
1285 1285  (% class="box infomessage" %)
1286 1286  (((
... ... @@ -1291,20 +1291,15 @@
1291 1291  
1292 1292  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1293 1293  
1294 -* AT Command:
1245 +* (% style="color:#037691" %)**AT Command:**
1295 1295  
1296 -(% class="box infomessage" %)
1297 -(((
1298 -**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1299 -)))
1247 +**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1300 1300  
1301 -* Downlink Payload (prefix 0xA7):
1302 1302  
1303 -(% class="box infomessage" %)
1304 -(((
1305 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1306 -)))
1250 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1307 1307  
1252 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1253 +
1308 1308  (((
1309 1309  range: aa bb cc:0 to 16777215,  (unit:second)
1310 1310  
... ... @@ -2001,8 +2001,16 @@
2001 2001  )))
2002 2002  
2003 2003  (((
2004 -
1950 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2005 2005  
1952 +If the device is not shut down, but directly powered off.
1953 +
1954 +It will default that this is a power-off state.
1955 +
1956 +In modes 2 to 5, DO RO status and pulse count are saved in flash.
1957 +
1958 +After restart, the status before power failure will be read from flash.
1959 +
2006 2006  = 6. Trouble Shooting =
2007 2007  )))
2008 2008  

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