Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.111 >
edited by Xiaoling
on 2022/06/10 09:37
To version < 82.15 >
edited by Xiaoling
on 2022/06/20 11:47
>
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  
... ... @@ -159,11 +159,11 @@
159 159  * (((
160 160  Packet engine up to 256 bytes with CRC.
161 161  
169 +
170 +
162 162  
163 163  )))
164 164  
165 -
166 -
167 167  == 1.3 Features ==
168 168  
169 169  * LoRaWAN Class A & Class C protocol
... ... @@ -282,6 +282,7 @@
282 282  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
283 283  
284 284  
292 +
285 285  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
286 286  
287 287  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -336,6 +336,7 @@
336 336  ** DO1 LED is off in both case
337 337  
338 338  
347 +
339 339  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
340 340  
341 341  
... ... @@ -372,12 +372,7 @@
372 372  (((
373 373  (((
374 374  **AT+MOD=2**
375 -)))
376 -)))
377 377  
378 -(% class="box infomessage" %)
379 -(((
380 -(((
381 381  **ATZ**
382 382  )))
383 383  )))
... ... @@ -396,40 +396,15 @@
396 396  (((
397 397  (((
398 398  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
399 -)))
400 -)))
401 401  
402 -(% class="box infomessage" %)
403 -(((
404 -(((
405 405  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
406 -)))
407 -)))
408 408  
409 -(% class="box infomessage" %)
410 -(((
411 -(((
412 412  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
413 -)))
414 -)))
415 415  
416 -(% class="box infomessage" %)
417 -(((
418 -(((
419 419  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
420 -)))
421 -)))
422 422  
423 -(% class="box infomessage" %)
424 -(((
425 -(((
426 426  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
427 -)))
428 -)))
429 429  
430 -(% class="box infomessage" %)
431 -(((
432 -(((
433 433  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
434 434  )))
435 435  )))
... ... @@ -464,12 +464,7 @@
464 464  (((
465 465  (((
466 466  **AT+MOD=3**
467 -)))
468 -)))
469 469  
470 -(% class="box infomessage" %)
471 -(((
472 -(((
473 473  **ATZ**
474 474  )))
475 475  )))
... ... @@ -476,11 +476,10 @@
476 476  
477 477  (((
478 478  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
479 -
480 -
481 481  )))
482 482  
483 483  
456 +
484 484  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
485 485  
486 486  
... ... @@ -515,20 +515,13 @@
515 515  (((
516 516  (((
517 517  **AT+MOD=4**
518 -)))
519 -)))
520 520  
521 -(% class="box infomessage" %)
522 -(((
523 -(((
524 524  **ATZ**
525 525  )))
526 526  )))
527 527  
528 -(((
529 -
530 -)))
531 531  
497 +
532 532  (((
533 533  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
534 534  )))
... ... @@ -542,33 +542,17 @@
542 542  (% class="box infomessage" %)
543 543  (((
544 544  (((
545 -**AT+SETCNT=3,60   (set AVI Count to 60)**
546 -)))
547 -)))
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
548 548  
549 -(% class="box infomessage" %)
550 -(((
551 -(((
552 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
553 -)))
554 -)))
513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
555 555  
556 -(% class="box infomessage" %)
557 -(((
558 -(((
559 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
560 -)))
561 -)))
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
562 562  
563 -(% class="box infomessage" %)
564 -(((
565 -(((
566 -**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)**
567 567  )))
568 568  )))
569 569  
570 570  
571 -
572 572  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
573 573  
574 574  
... ... @@ -602,12 +602,7 @@
602 602  (((
603 603  (((
604 604  **AT+MOD=5**
605 -)))
606 -)))
607 607  
608 -(% class="box infomessage" %)
609 -(((
610 -(((
611 611  **ATZ**
612 612  )))
613 613  )))
... ... @@ -633,7 +633,7 @@
633 633  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
634 634  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.**
635 635  
636 -**AT Command to set Trigger Condition**:
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
637 637  
638 638  (% style="color:#4f81bd" %)**Trigger base on voltage**:
639 639  
... ... @@ -669,7 +669,7 @@
669 669  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
670 670  
671 671  
672 -**Downlink Command to set Trigger Condition:**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
673 673  
674 674  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
675 675  
... ... @@ -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
... ... @@ -775,6 +775,8 @@
775 775  
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  
722 +
723 +
778 778  === 3.4.1 Common Commands ===
779 779  
780 780  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]]
... ... @@ -787,7 +787,7 @@
787 787  
788 788  Set device uplink interval.
789 789  
790 -* AT Command:
736 +* (% style="color:#037691" %)**AT Command:**
791 791  
792 792  (% class="box infomessage" %)
793 793  (((
... ... @@ -797,7 +797,7 @@
797 797  **Example: **AT+TDC=30000. Means set interval to 30 seconds
798 798  
799 799  
800 -* Downlink Payload (prefix 0x01):
746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
801 801  
802 802  (% class="box infomessage" %)
803 803  (((
... ... @@ -810,7 +810,7 @@
810 810  
811 811  Set work mode.
812 812  
813 -* AT Command:
759 +* (% style="color:#037691" %)**AT Command:**
814 814  
815 815  (% class="box infomessage" %)
816 816  (((
... ... @@ -820,7 +820,7 @@
820 820  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
821 821  
822 822  
823 -* Downlink Payload (prefix 0x0A):
769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
824 824  
825 825  (% class="box infomessage" %)
826 826  (((
... ... @@ -831,12 +831,12 @@
831 831  
832 832  ==== 3.4.2.3 Poll an uplink ====
833 833  
834 -* AT Command:
780 +* (% style="color:#037691" %)AT Command:
835 835  
836 836  There is no AT Command to poll uplink
837 837  
838 838  
839 -* Downlink Payload (prefix 0x08):
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
840 840  
841 841  (% class="box infomessage" %)
842 842  (((
... ... @@ -851,7 +851,7 @@
851 851  
852 852  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
853 853  
854 -* AT Command:
800 +* (% style="color:#037691" %)AT Command:
855 855  
856 856  (% class="box infomessage" %)
857 857  (((
... ... @@ -863,7 +863,7 @@
863 863  0: Disable Trigger Mode
864 864  
865 865  
866 -* Downlink Payload (prefix 0x0A 06):
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
867 867  
868 868  (% class="box infomessage" %)
869 869  (((
... ... @@ -876,12 +876,12 @@
876 876  
877 877  Poll trigger settings,
878 878  
879 -* AT Command:
825 +* (% style="color:#037691" %)AT Command:
880 880  
881 881  There is no AT Command for this feature.
882 882  
883 883  
884 -* Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
885 885  
886 886  (% class="box infomessage" %)
887 887  (((
... ... @@ -894,7 +894,7 @@
894 894  
895 895  Enable Disable DI1/DI2/DI2 as trigger,
896 896  
897 -* AT Command:
843 +* (% style="color:#037691" %)AT Command:
898 898  
899 899  (% class="box infomessage" %)
900 900  (((
... ... @@ -906,7 +906,7 @@
906 906  
907 907  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
908 908  
909 -* Downlink Payload (prefix 0xAA 02):
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
910 910  
911 911  (% class="box infomessage" %)
912 912  (((
... ... @@ -919,7 +919,7 @@
919 919  
920 920  Set DI1 or DI3(for LT-33222-L) trigger.
921 921  
922 -* AT Command:
868 +* (% style="color:#037691" %)AT Command:
923 923  
924 924  (% class="box infomessage" %)
925 925  (((
... ... @@ -936,7 +936,7 @@
936 936  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
937 937  
938 938  
939 -* Downlink Payload (prefix 0x09 01 ):
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
940 940  
941 941  (% class="box infomessage" %)
942 942  (((
... ... @@ -949,7 +949,7 @@
949 949  
950 950  Set DI2 trigger.
951 951  
952 -* AT Command:
898 +* (% style="color:#037691" %)AT Command:
953 953  
954 954  (% class="box infomessage" %)
955 955  (((
... ... @@ -966,7 +966,7 @@
966 966  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
967 967  
968 968  
969 -* Downlink Payload (prefix 0x09 02 ):
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
970 970  
971 971  (% class="box infomessage" %)
972 972  (((
... ... @@ -979,7 +979,7 @@
979 979  
980 980  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
981 981  
982 -* AT Command:
928 +* (% style="color:#037691" %)AT Command:
983 983  
984 984  (% class="box infomessage" %)
985 985  (((
... ... @@ -987,7 +987,7 @@
987 987  )))
988 988  
989 989  
990 -* Downlink Payload (prefix 0xAA 01 ):
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
991 991  
992 992  (% class="box infomessage" %)
993 993  (((
... ... @@ -1000,7 +1000,7 @@
1000 1000  
1001 1001  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1002 1002  
1003 -* AT Command:
949 +* (% style="color:#037691" %)AT Command:
1004 1004  
1005 1005  (% class="box infomessage" %)
1006 1006  (((
... ... @@ -1008,7 +1008,7 @@
1008 1008  )))
1009 1009  
1010 1010  
1011 -* Downlink Payload (prefix 0xAA 00 ):
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
1012 1012  
1013 1013  (% class="box infomessage" %)
1014 1014  (((
... ... @@ -1021,7 +1021,7 @@
1021 1021  
1022 1022  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1023 1023  
1024 -* AT Command:
970 +* (% style="color:#037691" %)AT Command:
1025 1025  
1026 1026  (% class="box infomessage" %)
1027 1027  (((
... ... @@ -1029,7 +1029,7 @@
1029 1029  )))
1030 1030  
1031 1031  
1032 -* Downlink Payload (prefix 0xAC ):
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
1033 1033  
1034 1034  (% class="box infomessage" %)
1035 1035  (((
... ... @@ -1040,12 +1040,12 @@
1040 1040  
1041 1041  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1042 1042  
1043 -* AT Command:
989 +* (% style="color:#037691" %)AT Command:
1044 1044  
1045 1045  There is no AT Command to control Digital Output
1046 1046  
1047 1047  
1048 -* Downlink Payload (prefix 0x02):
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
1049 1049  
1050 1050  (% class="box infomessage" %)
1051 1051  (((
... ... @@ -1074,12 +1074,12 @@
1074 1074  
1075 1075  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1076 1076  
1077 -* AT Command:
1023 +* (% style="color:#037691" %)AT Command:
1078 1078  
1079 1079  There is no AT Command to control Digital Output
1080 1080  
1081 1081  
1082 -* Downlink Payload (prefix 0xA9):
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1083 1083  
1084 1084  (% class="box infomessage" %)
1085 1085  (((
... ... @@ -1143,18 +1143,16 @@
1143 1143  
1144 1144  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1145 1145  
1146 -* AT Command:
1092 +* (% style="color:#037691" %)**AT Command:**
1147 1147  
1148 1148  There is no AT Command to control Relay Output
1149 1149  
1150 1150  
1151 -* Downlink Payload (prefix 0x03):
1097 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1152 1152  
1153 -(% class="box infomessage" %)
1154 -(((
1155 -**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1156 -)))
1099 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1157 1157  
1101 +
1158 1158  (((
1159 1159  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1160 1160  )))
... ... @@ -1171,20 +1171,19 @@
1171 1171  
1172 1172  
1173 1173  
1118 +
1174 1174  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1175 1175  
1176 -* AT Command:
1121 +* (% style="color:#037691" %)**AT Command:**
1177 1177  
1178 1178  There is no AT Command to control Relay Output
1179 1179  
1180 1180  
1181 -* Downlink Payload (prefix 0x05):
1126 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1182 1182  
1183 -(% class="box infomessage" %)
1184 -(((
1185 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1186 -)))
1128 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1187 1187  
1130 +
1188 1188  This is to control the relay output time of relay. Include four bytes:
1189 1189  
1190 1190  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
... ... @@ -1226,35 +1226,28 @@
1226 1226  
1227 1227  
1228 1228  
1172 +
1229 1229  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1230 1230  
1231 1231  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1232 1232  
1233 -* AT Command:
1177 +* (% style="color:#037691" %)**AT Command:**
1234 1234  
1235 -(% class="box infomessage" %)
1236 -(((
1237 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1238 -)))
1179 +(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1239 1239  
1240 1240  
1241 -* Downlink Payload (prefix 0xA5):
1182 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1242 1242  
1243 -(% class="box infomessage" %)
1244 -(((
1245 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1246 -)))
1184 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1247 1247  
1248 1248  
1249 1249  
1188 +
1250 1250  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1251 1251  
1252 -* AT Command:
1191 +* (% style="color:#037691" %)**AT Command:**
1253 1253  
1254 -(% class="box infomessage" %)
1255 -(((
1256 -**AT+SETCNT=aa,(bb cc dd ee) **
1257 -)))
1193 +(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1258 1258  
1259 1259  aa: 1: Set count1,
1260 1260  
... ... @@ -1265,51 +1265,40 @@
1265 1265  Bb cc dd ee: number to be set
1266 1266  
1267 1267  
1268 -* Downlink Payload (prefix 0xA8):
1204 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1269 1269  
1270 -(% class="box infomessage" %)
1271 -(((
1272 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1273 -)))
1206 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1274 1274  
1275 1275  
1276 1276  
1210 +
1277 1277  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1278 1278  
1279 1279  Clear counting for counting mode
1280 1280  
1281 -* AT Command:
1215 +* (% style="color:#037691" %)**AT Command:**
1282 1282  
1283 -(% class="box infomessage" %)
1284 -(((
1285 -**AT+CLRCOUNT ~/~/ clear all counting**
1286 -)))
1217 +(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1287 1287  
1288 -* Downlink Payload (prefix 0xA6):
1289 1289  
1290 -(% class="box infomessage" %)
1291 -(((
1292 -**0x A6 01     ~/~/ clear all counting,**
1293 -)))
1220 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1294 1294  
1222 +**0x A6 01    ** ~/~/ clear all counting
1295 1295  
1296 1296  
1225 +
1226 +
1297 1297  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1298 1298  
1299 -* AT Command:
1229 +* (% style="color:#037691" %)**AT Command:**
1300 1300  
1301 -(% class="box infomessage" %)
1302 -(((
1303 -**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1304 -)))
1231 +**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 -* Downlink Payload (prefix 0xA7):
1307 1307  
1308 -(% class="box infomessage" %)
1309 -(((
1310 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1311 -)))
1234 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1312 1312  
1236 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1237 +
1313 1313  (((
1314 1314  range: aa bb cc:0 to 16777215,  (unit:second)
1315 1315  
... ... @@ -1317,6 +1317,7 @@
1317 1317  )))
1318 1318  
1319 1319  
1245 +
1320 1320  == 3.5 Integrate with Mydevice ==
1321 1321  
1322 1322  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
... ... @@ -2006,8 +2006,16 @@
2006 2006  )))
2007 2007  
2008 2008  (((
2009 -
1935 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2010 2010  
1937 +If the device is not shut down, but directly powered off.
1938 +
1939 +It will default that this is a power-off state.
1940 +
1941 +In modes 2 to 5, DO RO status and pulse count are saved in flash.
1942 +
1943 +After restart, the status before power failure will be read from flash.
1944 +
2011 2011  = 6. Trouble Shooting =
2012 2012  )))
2013 2013  

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