Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.112 >
edited by Xiaoling
on 2022/06/10 09:37
To version < 82.14 >
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  (((
... ... @@ -163,11 +163,11 @@
163 163  * (((
164 164  Packet engine up to 256 bytes with CRC.
165 165  
169 +
170 +
166 166  
167 167  )))
168 168  
169 -
170 -
171 171  == 1.3 Features ==
172 172  
173 173  * LoRaWAN Class A & Class C protocol
... ... @@ -286,6 +286,7 @@
286 286  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287 287  
288 288  
292 +
289 289  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
290 290  
291 291  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -340,6 +340,7 @@
340 340  ** DO1 LED is off in both case
341 341  
342 342  
347 +
343 343  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
344 344  
345 345  
... ... @@ -376,12 +376,7 @@
376 376  (((
377 377  (((
378 378  **AT+MOD=2**
379 -)))
380 -)))
381 381  
382 -(% class="box infomessage" %)
383 -(((
384 -(((
385 385  **ATZ**
386 386  )))
387 387  )))
... ... @@ -400,40 +400,15 @@
400 400  (((
401 401  (((
402 402  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
403 -)))
404 -)))
405 405  
406 -(% class="box infomessage" %)
407 -(((
408 -(((
409 409  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
410 -)))
411 -)))
412 412  
413 -(% class="box infomessage" %)
414 -(((
415 -(((
416 416  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
417 -)))
418 -)))
419 419  
420 -(% class="box infomessage" %)
421 -(((
422 -(((
423 423  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
424 -)))
425 -)))
426 426  
427 -(% class="box infomessage" %)
428 -(((
429 -(((
430 430  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
431 -)))
432 -)))
433 433  
434 -(% class="box infomessage" %)
435 -(((
436 -(((
437 437  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
438 438  )))
439 439  )))
... ... @@ -468,12 +468,7 @@
468 468  (((
469 469  (((
470 470  **AT+MOD=3**
471 -)))
472 -)))
473 473  
474 -(% class="box infomessage" %)
475 -(((
476 -(((
477 477  **ATZ**
478 478  )))
479 479  )))
... ... @@ -480,11 +480,10 @@
480 480  
481 481  (((
482 482  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
483 -
484 -
485 485  )))
486 486  
487 487  
456 +
488 488  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
489 489  
490 490  
... ... @@ -519,20 +519,13 @@
519 519  (((
520 520  (((
521 521  **AT+MOD=4**
522 -)))
523 -)))
524 524  
525 -(% class="box infomessage" %)
526 -(((
527 -(((
528 528  **ATZ**
529 529  )))
530 530  )))
531 531  
532 -(((
533 -
534 -)))
535 535  
497 +
536 536  (((
537 537  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
538 538  )))
... ... @@ -546,33 +546,17 @@
546 546  (% class="box infomessage" %)
547 547  (((
548 548  (((
549 -**AT+SETCNT=3,60   (set AVI Count to 60)**
550 -)))
551 -)))
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
552 552  
553 -(% class="box infomessage" %)
554 -(((
555 -(((
556 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
557 -)))
558 -)))
513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
559 559  
560 -(% class="box infomessage" %)
561 -(((
562 -(((
563 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
564 -)))
565 -)))
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
566 566  
567 -(% class="box infomessage" %)
568 -(((
569 -(((
570 -**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)**
571 571  )))
572 572  )))
573 573  
574 574  
575 -
576 576  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
577 577  
578 578  
... ... @@ -606,12 +606,7 @@
606 606  (((
607 607  (((
608 608  **AT+MOD=5**
609 -)))
610 -)))
611 611  
612 -(% class="box infomessage" %)
613 -(((
614 -(((
615 615  **ATZ**
616 616  )))
617 617  )))
... ... @@ -637,7 +637,7 @@
637 637  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
638 638  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.**
639 639  
640 -**AT Command to set Trigger Condition**:
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
641 641  
642 642  (% style="color:#4f81bd" %)**Trigger base on voltage**:
643 643  
... ... @@ -673,7 +673,7 @@
673 673  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
674 674  
675 675  
676 -**Downlink Command to set Trigger Condition:**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
677 677  
678 678  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
679 679  
... ... @@ -766,7 +766,6 @@
766 766  )))
767 767  
768 768  
769 -
770 770  == 3.4 ​Configure LT via AT or Downlink ==
771 771  
772 772  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -779,6 +779,8 @@
779 779  
780 780  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
781 781  
722 +
723 +
782 782  === 3.4.1 Common Commands ===
783 783  
784 784  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]]
... ... @@ -791,7 +791,7 @@
791 791  
792 792  Set device uplink interval.
793 793  
794 -* AT Command:
736 +* (% style="color:#037691" %)**AT Command:**
795 795  
796 796  (% class="box infomessage" %)
797 797  (((
... ... @@ -801,7 +801,7 @@
801 801  **Example: **AT+TDC=30000. Means set interval to 30 seconds
802 802  
803 803  
804 -* Downlink Payload (prefix 0x01):
746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
805 805  
806 806  (% class="box infomessage" %)
807 807  (((
... ... @@ -814,7 +814,7 @@
814 814  
815 815  Set work mode.
816 816  
817 -* AT Command:
759 +* (% style="color:#037691" %)**AT Command:**
818 818  
819 819  (% class="box infomessage" %)
820 820  (((
... ... @@ -824,7 +824,7 @@
824 824  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
825 825  
826 826  
827 -* Downlink Payload (prefix 0x0A):
769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
828 828  
829 829  (% class="box infomessage" %)
830 830  (((
... ... @@ -835,12 +835,12 @@
835 835  
836 836  ==== 3.4.2.3 Poll an uplink ====
837 837  
838 -* AT Command:
780 +* (% style="color:#037691" %)AT Command:
839 839  
840 840  There is no AT Command to poll uplink
841 841  
842 842  
843 -* Downlink Payload (prefix 0x08):
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
844 844  
845 845  (% class="box infomessage" %)
846 846  (((
... ... @@ -855,7 +855,7 @@
855 855  
856 856  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
857 857  
858 -* AT Command:
800 +* (% style="color:#037691" %)AT Command:
859 859  
860 860  (% class="box infomessage" %)
861 861  (((
... ... @@ -867,7 +867,7 @@
867 867  0: Disable Trigger Mode
868 868  
869 869  
870 -* Downlink Payload (prefix 0x0A 06):
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
871 871  
872 872  (% class="box infomessage" %)
873 873  (((
... ... @@ -880,12 +880,12 @@
880 880  
881 881  Poll trigger settings,
882 882  
883 -* AT Command:
825 +* (% style="color:#037691" %)AT Command:
884 884  
885 885  There is no AT Command for this feature.
886 886  
887 887  
888 -* Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
889 889  
890 890  (% class="box infomessage" %)
891 891  (((
... ... @@ -898,7 +898,7 @@
898 898  
899 899  Enable Disable DI1/DI2/DI2 as trigger,
900 900  
901 -* AT Command:
843 +* (% style="color:#037691" %)AT Command:
902 902  
903 903  (% class="box infomessage" %)
904 904  (((
... ... @@ -910,7 +910,7 @@
910 910  
911 911  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
912 912  
913 -* Downlink Payload (prefix 0xAA 02):
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
914 914  
915 915  (% class="box infomessage" %)
916 916  (((
... ... @@ -923,7 +923,7 @@
923 923  
924 924  Set DI1 or DI3(for LT-33222-L) trigger.
925 925  
926 -* AT Command:
868 +* (% style="color:#037691" %)AT Command:
927 927  
928 928  (% class="box infomessage" %)
929 929  (((
... ... @@ -940,7 +940,7 @@
940 940  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
941 941  
942 942  
943 -* Downlink Payload (prefix 0x09 01 ):
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
944 944  
945 945  (% class="box infomessage" %)
946 946  (((
... ... @@ -953,7 +953,7 @@
953 953  
954 954  Set DI2 trigger.
955 955  
956 -* AT Command:
898 +* (% style="color:#037691" %)AT Command:
957 957  
958 958  (% class="box infomessage" %)
959 959  (((
... ... @@ -970,7 +970,7 @@
970 970  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
971 971  
972 972  
973 -* Downlink Payload (prefix 0x09 02 ):
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
974 974  
975 975  (% class="box infomessage" %)
976 976  (((
... ... @@ -983,7 +983,7 @@
983 983  
984 984  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
985 985  
986 -* AT Command:
928 +* (% style="color:#037691" %)AT Command:
987 987  
988 988  (% class="box infomessage" %)
989 989  (((
... ... @@ -991,7 +991,7 @@
991 991  )))
992 992  
993 993  
994 -* Downlink Payload (prefix 0xAA 01 ):
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
995 995  
996 996  (% class="box infomessage" %)
997 997  (((
... ... @@ -1004,7 +1004,7 @@
1004 1004  
1005 1005  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1006 1006  
1007 -* AT Command:
949 +* (% style="color:#037691" %)AT Command:
1008 1008  
1009 1009  (% class="box infomessage" %)
1010 1010  (((
... ... @@ -1012,7 +1012,7 @@
1012 1012  )))
1013 1013  
1014 1014  
1015 -* Downlink Payload (prefix 0xAA 00 ):
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
1016 1016  
1017 1017  (% class="box infomessage" %)
1018 1018  (((
... ... @@ -1025,7 +1025,7 @@
1025 1025  
1026 1026  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1027 1027  
1028 -* AT Command:
970 +* (% style="color:#037691" %)AT Command:
1029 1029  
1030 1030  (% class="box infomessage" %)
1031 1031  (((
... ... @@ -1033,7 +1033,7 @@
1033 1033  )))
1034 1034  
1035 1035  
1036 -* Downlink Payload (prefix 0xAC ):
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
1037 1037  
1038 1038  (% class="box infomessage" %)
1039 1039  (((
... ... @@ -1044,12 +1044,12 @@
1044 1044  
1045 1045  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1046 1046  
1047 -* AT Command:
989 +* (% style="color:#037691" %)AT Command:
1048 1048  
1049 1049  There is no AT Command to control Digital Output
1050 1050  
1051 1051  
1052 -* Downlink Payload (prefix 0x02):
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
1053 1053  
1054 1054  (% class="box infomessage" %)
1055 1055  (((
... ... @@ -1078,12 +1078,12 @@
1078 1078  
1079 1079  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1080 1080  
1081 -* AT Command:
1023 +* (% style="color:#037691" %)AT Command:
1082 1082  
1083 1083  There is no AT Command to control Digital Output
1084 1084  
1085 1085  
1086 -* Downlink Payload (prefix 0xA9):
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1087 1087  
1088 1088  (% class="box infomessage" %)
1089 1089  (((
... ... @@ -1147,12 +1147,12 @@
1147 1147  
1148 1148  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1149 1149  
1150 -* AT Command:
1092 +* (% style="color:#037691" %)AT Command:
1151 1151  
1152 1152  There is no AT Command to control Relay Output
1153 1153  
1154 1154  
1155 -* Downlink Payload (prefix 0x03):
1097 +* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1156 1156  
1157 1157  (% class="box infomessage" %)
1158 1158  (((
... ... @@ -1177,18 +1177,16 @@
1177 1177  
1178 1178  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1179 1179  
1180 -* AT Command:
1122 +* (% style="color:#037691" %)AT Command:
1181 1181  
1182 1182  There is no AT Command to control Relay Output
1183 1183  
1184 1184  
1185 -* Downlink Payload (prefix 0x05):
1127 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1186 1186  
1187 -(% class="box infomessage" %)
1188 -(((
1189 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1190 -)))
1129 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1191 1191  
1131 +
1192 1192  This is to control the relay output time of relay. Include four bytes:
1193 1193  
1194 1194  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
... ... @@ -1230,35 +1230,28 @@
1230 1230  
1231 1231  
1232 1232  
1173 +
1233 1233  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1234 1234  
1235 1235  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1236 1236  
1237 -* AT Command:
1178 +* (% style="color:#037691" %)**AT Command:**
1238 1238  
1239 -(% class="box infomessage" %)
1240 -(((
1241 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1242 -)))
1180 +(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1243 1243  
1244 1244  
1245 -* Downlink Payload (prefix 0xA5):
1183 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1246 1246  
1247 -(% class="box infomessage" %)
1248 -(((
1249 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1250 -)))
1185 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1251 1251  
1252 1252  
1253 1253  
1189 +
1254 1254  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1255 1255  
1256 -* AT Command:
1192 +* (% style="color:#037691" %)**AT Command:**
1257 1257  
1258 -(% class="box infomessage" %)
1259 -(((
1260 -**AT+SETCNT=aa,(bb cc dd ee) **
1261 -)))
1194 +(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1262 1262  
1263 1263  aa: 1: Set count1,
1264 1264  
... ... @@ -1269,51 +1269,40 @@
1269 1269  Bb cc dd ee: number to be set
1270 1270  
1271 1271  
1272 -* Downlink Payload (prefix 0xA8):
1205 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1273 1273  
1274 -(% class="box infomessage" %)
1275 -(((
1276 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1277 -)))
1207 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1278 1278  
1279 1279  
1280 1280  
1211 +
1281 1281  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1282 1282  
1283 1283  Clear counting for counting mode
1284 1284  
1285 -* AT Command:
1216 +* (% style="color:#037691" %)**AT Command:**
1286 1286  
1287 -(% class="box infomessage" %)
1288 -(((
1289 -**AT+CLRCOUNT ~/~/ clear all counting**
1290 -)))
1218 +(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1291 1291  
1292 -* Downlink Payload (prefix 0xA6):
1293 1293  
1294 -(% class="box infomessage" %)
1295 -(((
1296 -**0x A6 01     ~/~/ clear all counting,**
1297 -)))
1221 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1298 1298  
1223 +**0x A6 01    ** ~/~/ clear all counting
1299 1299  
1300 1300  
1226 +
1227 +
1301 1301  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1302 1302  
1303 -* AT Command:
1230 +* (% style="color:#037691" %)**AT Command:**
1304 1304  
1305 -(% class="box infomessage" %)
1306 -(((
1307 -**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1308 -)))
1232 +**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1309 1309  
1310 -* Downlink Payload (prefix 0xA7):
1311 1311  
1312 -(% class="box infomessage" %)
1313 -(((
1314 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1315 -)))
1235 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1316 1316  
1237 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1238 +
1317 1317  (((
1318 1318  range: aa bb cc:0 to 16777215,  (unit:second)
1319 1319  
... ... @@ -1321,6 +1321,7 @@
1321 1321  )))
1322 1322  
1323 1323  
1246 +
1324 1324  == 3.5 Integrate with Mydevice ==
1325 1325  
1326 1326  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:
... ... @@ -2010,8 +2010,16 @@
2010 2010  )))
2011 2011  
2012 2012  (((
2013 -
1936 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2014 2014  
1938 +If the device is not shut down, but directly powered off.
1939 +
1940 +It will default that this is a power-off state.
1941 +
1942 +In modes 2 to 5, DO RO status and pulse count are saved in flash.
1943 +
1944 +After restart, the status before power failure will be read from flash.
1945 +
2015 2015  = 6. Trouble Shooting =
2016 2016  )))
2017 2017  

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