Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 79.5 >
edited by Xiaoling
on 2022/06/10 09:41
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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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  (((
... ... @@ -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.
... ... @@ -276,6 +276,8 @@
276 276  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
277 277  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
278 278  
291 +
292 +
279 279  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
280 280  
281 281  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -314,7 +314,6 @@
314 314  * [1] RO1 relay channel is close and the RO1 LED is ON.
315 315  * [0] RO2 relay channel is open and RO2 LED is OFF;
316 316  
317 -
318 318  **LT22222-L:**
319 319  
320 320  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -330,6 +330,8 @@
330 330  ** DO1 is high in case there is load between DO1 and V+.
331 331  ** DO1 LED is off in both case
332 332  
346 +
347 +
333 333  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
334 334  
335 335  
... ... @@ -366,12 +366,7 @@
366 366  (((
367 367  (((
368 368  **AT+MOD=2**
369 -)))
370 -)))
371 371  
372 -(% class="box infomessage" %)
373 -(((
374 -(((
375 375  **ATZ**
376 376  )))
377 377  )))
... ... @@ -390,40 +390,15 @@
390 390  (((
391 391  (((
392 392  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
393 -)))
394 -)))
395 395  
396 -(% class="box infomessage" %)
397 -(((
398 -(((
399 399  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
400 -)))
401 -)))
402 402  
403 -(% class="box infomessage" %)
404 -(((
405 -(((
406 406  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
407 -)))
408 -)))
409 409  
410 -(% class="box infomessage" %)
411 -(((
412 -(((
413 413  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
414 -)))
415 -)))
416 416  
417 -(% class="box infomessage" %)
418 -(((
419 -(((
420 420  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
421 -)))
422 -)))
423 423  
424 -(% class="box infomessage" %)
425 -(((
426 -(((
427 427  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
428 428  )))
429 429  )))
... ... @@ -458,12 +458,7 @@
458 458  (((
459 459  (((
460 460  **AT+MOD=3**
461 -)))
462 -)))
463 463  
464 -(% class="box infomessage" %)
465 -(((
466 -(((
467 467  **ATZ**
468 468  )))
469 469  )))
... ... @@ -508,20 +508,13 @@
508 508  (((
509 509  (((
510 510  **AT+MOD=4**
511 -)))
512 -)))
513 513  
514 -(% class="box infomessage" %)
515 -(((
516 -(((
517 517  **ATZ**
518 518  )))
519 519  )))
520 520  
521 -(((
522 -
523 -)))
524 524  
497 +
525 525  (((
526 526  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
527 527  )))
... ... @@ -535,33 +535,17 @@
535 535  (% class="box infomessage" %)
536 536  (((
537 537  (((
538 -**AT+SETCNT=3,60   (set AVI Count to 60)**
539 -)))
540 -)))
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
541 541  
542 -(% class="box infomessage" %)
543 -(((
544 -(((
545 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
546 -)))
547 -)))
513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
548 548  
549 -(% class="box infomessage" %)
550 -(((
551 -(((
552 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
553 -)))
554 -)))
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
555 555  
556 -(% class="box infomessage" %)
557 -(((
558 -(((
559 -**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)**
560 560  )))
561 561  )))
562 562  
563 563  
564 -
565 565  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
566 566  
567 567  
... ... @@ -595,12 +595,7 @@
595 595  (((
596 596  (((
597 597  **AT+MOD=5**
598 -)))
599 -)))
600 600  
601 -(% class="box infomessage" %)
602 -(((
603 -(((
604 604  **ATZ**
605 605  )))
606 606  )))
... ... @@ -626,7 +626,7 @@
626 626  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
627 627  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.**
628 628  
629 -**AT Command to set Trigger Condition**:
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
630 630  
631 631  (% style="color:#4f81bd" %)**Trigger base on voltage**:
632 632  
... ... @@ -662,7 +662,7 @@
662 662  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
663 663  
664 664  
665 -**Downlink Command to set Trigger Condition:**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
666 666  
667 667  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
668 668  
... ... @@ -781,7 +781,7 @@
781 781  
782 782  Set device uplink interval.
783 783  
784 -* AT Command:
736 +* (% style="color:#037691" %)**AT Command:**
785 785  
786 786  (% class="box infomessage" %)
787 787  (((
... ... @@ -791,7 +791,7 @@
791 791  **Example: **AT+TDC=30000. Means set interval to 30 seconds
792 792  
793 793  
794 -* Downlink Payload (prefix 0x01):
746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
795 795  
796 796  (% class="box infomessage" %)
797 797  (((
... ... @@ -804,7 +804,7 @@
804 804  
805 805  Set work mode.
806 806  
807 -* AT Command:
759 +* (% style="color:#037691" %)**AT Command:**
808 808  
809 809  (% class="box infomessage" %)
810 810  (((
... ... @@ -814,7 +814,7 @@
814 814  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
815 815  
816 816  
817 -* Downlink Payload (prefix 0x0A):
769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
818 818  
819 819  (% class="box infomessage" %)
820 820  (((
... ... @@ -825,12 +825,12 @@
825 825  
826 826  ==== 3.4.2.3 Poll an uplink ====
827 827  
828 -* AT Command:
780 +* (% style="color:#037691" %)AT Command:
829 829  
830 830  There is no AT Command to poll uplink
831 831  
832 832  
833 -* Downlink Payload (prefix 0x08):
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
834 834  
835 835  (% class="box infomessage" %)
836 836  (((
... ... @@ -845,7 +845,7 @@
845 845  
846 846  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
847 847  
848 -* AT Command:
800 +* (% style="color:#037691" %)AT Command:
849 849  
850 850  (% class="box infomessage" %)
851 851  (((
... ... @@ -857,7 +857,7 @@
857 857  0: Disable Trigger Mode
858 858  
859 859  
860 -* Downlink Payload (prefix 0x0A 06):
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
861 861  
862 862  (% class="box infomessage" %)
863 863  (((
... ... @@ -870,12 +870,12 @@
870 870  
871 871  Poll trigger settings,
872 872  
873 -* AT Command:
825 +* (% style="color:#037691" %)AT Command:
874 874  
875 875  There is no AT Command for this feature.
876 876  
877 877  
878 -* Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
879 879  
880 880  (% class="box infomessage" %)
881 881  (((
... ... @@ -888,7 +888,7 @@
888 888  
889 889  Enable Disable DI1/DI2/DI2 as trigger,
890 890  
891 -* AT Command:
843 +* (% style="color:#037691" %)AT Command:
892 892  
893 893  (% class="box infomessage" %)
894 894  (((
... ... @@ -900,7 +900,7 @@
900 900  
901 901  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
902 902  
903 -* Downlink Payload (prefix 0xAA 02):
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
904 904  
905 905  (% class="box infomessage" %)
906 906  (((
... ... @@ -913,7 +913,7 @@
913 913  
914 914  Set DI1 or DI3(for LT-33222-L) trigger.
915 915  
916 -* AT Command:
868 +* (% style="color:#037691" %)AT Command:
917 917  
918 918  (% class="box infomessage" %)
919 919  (((
... ... @@ -930,7 +930,7 @@
930 930  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
931 931  
932 932  
933 -* Downlink Payload (prefix 0x09 01 ):
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
934 934  
935 935  (% class="box infomessage" %)
936 936  (((
... ... @@ -943,7 +943,7 @@
943 943  
944 944  Set DI2 trigger.
945 945  
946 -* AT Command:
898 +* (% style="color:#037691" %)AT Command:
947 947  
948 948  (% class="box infomessage" %)
949 949  (((
... ... @@ -960,7 +960,7 @@
960 960  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
961 961  
962 962  
963 -* Downlink Payload (prefix 0x09 02 ):
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
964 964  
965 965  (% class="box infomessage" %)
966 966  (((
... ... @@ -973,7 +973,7 @@
973 973  
974 974  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
975 975  
976 -* AT Command:
928 +* (% style="color:#037691" %)AT Command:
977 977  
978 978  (% class="box infomessage" %)
979 979  (((
... ... @@ -981,7 +981,7 @@
981 981  )))
982 982  
983 983  
984 -* Downlink Payload (prefix 0xAA 01 ):
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
985 985  
986 986  (% class="box infomessage" %)
987 987  (((
... ... @@ -994,7 +994,7 @@
994 994  
995 995  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
996 996  
997 -* AT Command:
949 +* (% style="color:#037691" %)AT Command:
998 998  
999 999  (% class="box infomessage" %)
1000 1000  (((
... ... @@ -1002,7 +1002,7 @@
1002 1002  )))
1003 1003  
1004 1004  
1005 -* Downlink Payload (prefix 0xAA 00 ):
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
1006 1006  
1007 1007  (% class="box infomessage" %)
1008 1008  (((
... ... @@ -1015,7 +1015,7 @@
1015 1015  
1016 1016  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1017 1017  
1018 -* AT Command:
970 +* (% style="color:#037691" %)AT Command:
1019 1019  
1020 1020  (% class="box infomessage" %)
1021 1021  (((
... ... @@ -1023,7 +1023,7 @@
1023 1023  )))
1024 1024  
1025 1025  
1026 -* Downlink Payload (prefix 0xAC ):
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
1027 1027  
1028 1028  (% class="box infomessage" %)
1029 1029  (((
... ... @@ -1034,12 +1034,12 @@
1034 1034  
1035 1035  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1036 1036  
1037 -* AT Command:
989 +* (% style="color:#037691" %)AT Command:
1038 1038  
1039 1039  There is no AT Command to control Digital Output
1040 1040  
1041 1041  
1042 -* Downlink Payload (prefix 0x02):
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
1043 1043  
1044 1044  (% class="box infomessage" %)
1045 1045  (((
... ... @@ -1068,12 +1068,12 @@
1068 1068  
1069 1069  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1070 1070  
1071 -* AT Command:
1023 +* (% style="color:#037691" %)AT Command:
1072 1072  
1073 1073  There is no AT Command to control Digital Output
1074 1074  
1075 1075  
1076 -* Downlink Payload (prefix 0xA9):
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1077 1077  
1078 1078  (% class="box infomessage" %)
1079 1079  (((
... ... @@ -1137,12 +1137,12 @@
1137 1137  
1138 1138  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1139 1139  
1140 -* AT Command:
1092 +* (% style="color:#037691" %)AT Command:
1141 1141  
1142 1142  There is no AT Command to control Relay Output
1143 1143  
1144 1144  
1145 -* Downlink Payload (prefix 0x03):
1097 +* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1146 1146  
1147 1147  (% class="box infomessage" %)
1148 1148  (((
... ... @@ -1167,12 +1167,12 @@
1167 1167  
1168 1168  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1169 1169  
1170 -* AT Command:
1122 +* (% style="color:#037691" %)AT Command:
1171 1171  
1172 1172  There is no AT Command to control Relay Output
1173 1173  
1174 1174  
1175 -* Downlink Payload (prefix 0x05):
1127 +* (% style="color:#037691" %)Downlink Payload (prefix 0x05):
1176 1176  
1177 1177  (% class="box infomessage" %)
1178 1178  (((
... ... @@ -1224,7 +1224,7 @@
1224 1224  
1225 1225  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1226 1226  
1227 -* AT Command:
1179 +* (% style="color:#037691" %)AT Command:
1228 1228  
1229 1229  (% class="box infomessage" %)
1230 1230  (((
... ... @@ -1232,7 +1232,7 @@
1232 1232  )))
1233 1233  
1234 1234  
1235 -* Downlink Payload (prefix 0xA5):
1187 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA5):
1236 1236  
1237 1237  (% class="box infomessage" %)
1238 1238  (((
... ... @@ -1243,7 +1243,7 @@
1243 1243  
1244 1244  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1245 1245  
1246 -* AT Command:
1198 +* (% style="color:#037691" %)AT Command:
1247 1247  
1248 1248  (% class="box infomessage" %)
1249 1249  (((
... ... @@ -1259,7 +1259,7 @@
1259 1259  Bb cc dd ee: number to be set
1260 1260  
1261 1261  
1262 -* Downlink Payload (prefix 0xA8):
1214 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA8):
1263 1263  
1264 1264  (% class="box infomessage" %)
1265 1265  (((
... ... @@ -1272,7 +1272,7 @@
1272 1272  
1273 1273  Clear counting for counting mode
1274 1274  
1275 -* AT Command:
1227 +* (% style="color:#037691" %)AT Command:
1276 1276  
1277 1277  (% class="box infomessage" %)
1278 1278  (((
... ... @@ -1279,7 +1279,7 @@
1279 1279  **AT+CLRCOUNT ~/~/ clear all counting**
1280 1280  )))
1281 1281  
1282 -* Downlink Payload (prefix 0xA6):
1234 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA6):
1283 1283  
1284 1284  (% class="box infomessage" %)
1285 1285  (((
... ... @@ -1290,7 +1290,7 @@
1290 1290  
1291 1291  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1292 1292  
1293 -* AT Command:
1245 +* (% style="color:#037691" %)AT Command:
1294 1294  
1295 1295  (% class="box infomessage" %)
1296 1296  (((
... ... @@ -1297,7 +1297,7 @@
1297 1297  **AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1298 1298  )))
1299 1299  
1300 -* Downlink Payload (prefix 0xA7):
1252 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA7):
1301 1301  
1302 1302  (% class="box infomessage" %)
1303 1303  (((
... ... @@ -2000,8 +2000,16 @@
2000 2000  )))
2001 2001  
2002 2002  (((
2003 -
1955 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2004 2004  
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 +
2005 2005  = 6. Trouble Shooting =
2006 2006  )))
2007 2007  

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