Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 78.1 >
edited by Xiaoling
on 2022/06/10 09:38
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  (((
... ... @@ -162,10 +162,12 @@
162 162  )))
163 163  * (((
164 164  Packet engine up to 256 bytes with CRC.
165 -)))
166 166  
167 167  
168 168  
171 +
172 +)))
173 +
169 169  == 1.3 Features ==
170 170  
171 171  * LoRaWAN Class A & Class C protocol
... ... @@ -203,7 +203,6 @@
203 203  )))
204 204  
205 205  
206 -
207 207  = 2. Power ON Device =
208 208  
209 209  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.
... ... @@ -285,6 +285,7 @@
285 285  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
286 286  
287 287  
292 +
288 288  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
289 289  
290 290  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -339,6 +339,7 @@
339 339  ** DO1 LED is off in both case
340 340  
341 341  
347 +
342 342  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
343 343  
344 344  
... ... @@ -375,12 +375,7 @@
375 375  (((
376 376  (((
377 377  **AT+MOD=2**
378 -)))
379 -)))
380 380  
381 -(% class="box infomessage" %)
382 -(((
383 -(((
384 384  **ATZ**
385 385  )))
386 386  )))
... ... @@ -399,40 +399,15 @@
399 399  (((
400 400  (((
401 401  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
402 -)))
403 -)))
404 404  
405 -(% class="box infomessage" %)
406 -(((
407 -(((
408 408  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
409 -)))
410 -)))
411 411  
412 -(% class="box infomessage" %)
413 -(((
414 -(((
415 415  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
416 -)))
417 -)))
418 418  
419 -(% class="box infomessage" %)
420 -(((
421 -(((
422 422  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
423 -)))
424 -)))
425 425  
426 -(% class="box infomessage" %)
427 -(((
428 -(((
429 429  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
430 -)))
431 -)))
432 432  
433 -(% class="box infomessage" %)
434 -(((
435 -(((
436 436  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
437 437  )))
438 438  )))
... ... @@ -467,12 +467,7 @@
467 467  (((
468 468  (((
469 469  **AT+MOD=3**
470 -)))
471 -)))
472 472  
473 -(% class="box infomessage" %)
474 -(((
475 -(((
476 476  **ATZ**
477 477  )))
478 478  )))
... ... @@ -479,11 +479,10 @@
479 479  
480 480  (((
481 481  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
482 -
483 -
484 484  )))
485 485  
486 486  
456 +
487 487  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
488 488  
489 489  
... ... @@ -518,20 +518,13 @@
518 518  (((
519 519  (((
520 520  **AT+MOD=4**
521 -)))
522 -)))
523 523  
524 -(% class="box infomessage" %)
525 -(((
526 -(((
527 527  **ATZ**
528 528  )))
529 529  )))
530 530  
531 -(((
532 -
533 -)))
534 534  
497 +
535 535  (((
536 536  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
537 537  )))
... ... @@ -545,33 +545,17 @@
545 545  (% class="box infomessage" %)
546 546  (((
547 547  (((
548 -**AT+SETCNT=3,60   (set AVI Count to 60)**
549 -)))
550 -)))
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
551 551  
552 -(% class="box infomessage" %)
553 -(((
554 -(((
555 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
556 -)))
557 -)))
513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
558 558  
559 -(% class="box infomessage" %)
560 -(((
561 -(((
562 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
563 -)))
564 -)))
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
565 565  
566 -(% class="box infomessage" %)
567 -(((
568 -(((
569 -**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)**
570 570  )))
571 571  )))
572 572  
573 573  
574 -
575 575  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
576 576  
577 577  
... ... @@ -605,12 +605,7 @@
605 605  (((
606 606  (((
607 607  **AT+MOD=5**
608 -)))
609 -)))
610 610  
611 -(% class="box infomessage" %)
612 -(((
613 -(((
614 614  **ATZ**
615 615  )))
616 616  )))
... ... @@ -636,7 +636,7 @@
636 636  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
637 637  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.**
638 638  
639 -**AT Command to set Trigger Condition**:
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
640 640  
641 641  (% style="color:#4f81bd" %)**Trigger base on voltage**:
642 642  
... ... @@ -672,7 +672,7 @@
672 672  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
673 673  
674 674  
675 -**Downlink Command to set Trigger Condition:**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
676 676  
677 677  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
678 678  
... ... @@ -765,7 +765,6 @@
765 765  )))
766 766  
767 767  
768 -
769 769  == 3.4 ​Configure LT via AT or Downlink ==
770 770  
771 771  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -778,6 +778,8 @@
778 778  
779 779  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
780 780  
722 +
723 +
781 781  === 3.4.1 Common Commands ===
782 782  
783 783  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]]
... ... @@ -790,7 +790,7 @@
790 790  
791 791  Set device uplink interval.
792 792  
793 -* AT Command:
736 +* (% style="color:#037691" %)**AT Command:**
794 794  
795 795  (% class="box infomessage" %)
796 796  (((
... ... @@ -800,7 +800,7 @@
800 800  **Example: **AT+TDC=30000. Means set interval to 30 seconds
801 801  
802 802  
803 -* Downlink Payload (prefix 0x01):
746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
804 804  
805 805  (% class="box infomessage" %)
806 806  (((
... ... @@ -813,7 +813,7 @@
813 813  
814 814  Set work mode.
815 815  
816 -* AT Command:
759 +* (% style="color:#037691" %)**AT Command:**
817 817  
818 818  (% class="box infomessage" %)
819 819  (((
... ... @@ -823,7 +823,7 @@
823 823  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
824 824  
825 825  
826 -* Downlink Payload (prefix 0x0A):
769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
827 827  
828 828  (% class="box infomessage" %)
829 829  (((
... ... @@ -834,12 +834,12 @@
834 834  
835 835  ==== 3.4.2.3 Poll an uplink ====
836 836  
837 -* AT Command:
780 +* (% style="color:#037691" %)AT Command:
838 838  
839 839  There is no AT Command to poll uplink
840 840  
841 841  
842 -* Downlink Payload (prefix 0x08):
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
843 843  
844 844  (% class="box infomessage" %)
845 845  (((
... ... @@ -854,7 +854,7 @@
854 854  
855 855  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
856 856  
857 -* AT Command:
800 +* (% style="color:#037691" %)AT Command:
858 858  
859 859  (% class="box infomessage" %)
860 860  (((
... ... @@ -866,7 +866,7 @@
866 866  0: Disable Trigger Mode
867 867  
868 868  
869 -* Downlink Payload (prefix 0x0A 06):
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
870 870  
871 871  (% class="box infomessage" %)
872 872  (((
... ... @@ -879,12 +879,12 @@
879 879  
880 880  Poll trigger settings,
881 881  
882 -* AT Command:
825 +* (% style="color:#037691" %)AT Command:
883 883  
884 884  There is no AT Command for this feature.
885 885  
886 886  
887 -* Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
888 888  
889 889  (% class="box infomessage" %)
890 890  (((
... ... @@ -897,7 +897,7 @@
897 897  
898 898  Enable Disable DI1/DI2/DI2 as trigger,
899 899  
900 -* AT Command:
843 +* (% style="color:#037691" %)AT Command:
901 901  
902 902  (% class="box infomessage" %)
903 903  (((
... ... @@ -909,7 +909,7 @@
909 909  
910 910  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
911 911  
912 -* Downlink Payload (prefix 0xAA 02):
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
913 913  
914 914  (% class="box infomessage" %)
915 915  (((
... ... @@ -922,7 +922,7 @@
922 922  
923 923  Set DI1 or DI3(for LT-33222-L) trigger.
924 924  
925 -* AT Command:
868 +* (% style="color:#037691" %)AT Command:
926 926  
927 927  (% class="box infomessage" %)
928 928  (((
... ... @@ -939,7 +939,7 @@
939 939  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
940 940  
941 941  
942 -* Downlink Payload (prefix 0x09 01 ):
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
943 943  
944 944  (% class="box infomessage" %)
945 945  (((
... ... @@ -952,7 +952,7 @@
952 952  
953 953  Set DI2 trigger.
954 954  
955 -* AT Command:
898 +* (% style="color:#037691" %)AT Command:
956 956  
957 957  (% class="box infomessage" %)
958 958  (((
... ... @@ -969,7 +969,7 @@
969 969  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
970 970  
971 971  
972 -* Downlink Payload (prefix 0x09 02 ):
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
973 973  
974 974  (% class="box infomessage" %)
975 975  (((
... ... @@ -982,7 +982,7 @@
982 982  
983 983  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
984 984  
985 -* AT Command:
928 +* (% style="color:#037691" %)AT Command:
986 986  
987 987  (% class="box infomessage" %)
988 988  (((
... ... @@ -990,7 +990,7 @@
990 990  )))
991 991  
992 992  
993 -* Downlink Payload (prefix 0xAA 01 ):
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
994 994  
995 995  (% class="box infomessage" %)
996 996  (((
... ... @@ -1003,7 +1003,7 @@
1003 1003  
1004 1004  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1005 1005  
1006 -* AT Command:
949 +* (% style="color:#037691" %)AT Command:
1007 1007  
1008 1008  (% class="box infomessage" %)
1009 1009  (((
... ... @@ -1011,7 +1011,7 @@
1011 1011  )))
1012 1012  
1013 1013  
1014 -* Downlink Payload (prefix 0xAA 00 ):
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
1015 1015  
1016 1016  (% class="box infomessage" %)
1017 1017  (((
... ... @@ -1024,7 +1024,7 @@
1024 1024  
1025 1025  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1026 1026  
1027 -* AT Command:
970 +* (% style="color:#037691" %)AT Command:
1028 1028  
1029 1029  (% class="box infomessage" %)
1030 1030  (((
... ... @@ -1032,7 +1032,7 @@
1032 1032  )))
1033 1033  
1034 1034  
1035 -* Downlink Payload (prefix 0xAC ):
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
1036 1036  
1037 1037  (% class="box infomessage" %)
1038 1038  (((
... ... @@ -1043,12 +1043,12 @@
1043 1043  
1044 1044  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1045 1045  
1046 -* AT Command:
989 +* (% style="color:#037691" %)AT Command:
1047 1047  
1048 1048  There is no AT Command to control Digital Output
1049 1049  
1050 1050  
1051 -* Downlink Payload (prefix 0x02):
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
1052 1052  
1053 1053  (% class="box infomessage" %)
1054 1054  (((
... ... @@ -1077,12 +1077,12 @@
1077 1077  
1078 1078  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1079 1079  
1080 -* AT Command:
1023 +* (% style="color:#037691" %)AT Command:
1081 1081  
1082 1082  There is no AT Command to control Digital Output
1083 1083  
1084 1084  
1085 -* Downlink Payload (prefix 0xA9):
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1086 1086  
1087 1087  (% class="box infomessage" %)
1088 1088  (((
... ... @@ -1146,12 +1146,12 @@
1146 1146  
1147 1147  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1148 1148  
1149 -* AT Command:
1092 +* (% style="color:#037691" %)AT Command:
1150 1150  
1151 1151  There is no AT Command to control Relay Output
1152 1152  
1153 1153  
1154 -* Downlink Payload (prefix 0x03):
1097 +* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1155 1155  
1156 1156  (% class="box infomessage" %)
1157 1157  (((
... ... @@ -1176,18 +1176,16 @@
1176 1176  
1177 1177  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1178 1178  
1179 -* AT Command:
1122 +* (% style="color:#037691" %)AT Command:
1180 1180  
1181 1181  There is no AT Command to control Relay Output
1182 1182  
1183 1183  
1184 -* Downlink Payload (prefix 0x05):
1127 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1185 1185  
1186 -(% class="box infomessage" %)
1187 -(((
1188 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1189 -)))
1129 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1190 1190  
1131 +
1191 1191  This is to control the relay output time of relay. Include four bytes:
1192 1192  
1193 1193  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
... ... @@ -1229,35 +1229,28 @@
1229 1229  
1230 1230  
1231 1231  
1173 +
1232 1232  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1233 1233  
1234 1234  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1235 1235  
1236 -* AT Command:
1178 +* (% style="color:#037691" %)**AT Command:**
1237 1237  
1238 -(% class="box infomessage" %)
1239 -(((
1240 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1241 -)))
1180 +(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1242 1242  
1243 1243  
1244 -* Downlink Payload (prefix 0xA5):
1183 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1245 1245  
1246 -(% class="box infomessage" %)
1247 -(((
1248 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1249 -)))
1185 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1250 1250  
1251 1251  
1252 1252  
1189 +
1253 1253  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1254 1254  
1255 -* AT Command:
1192 +* (% style="color:#037691" %)**AT Command:**
1256 1256  
1257 -(% class="box infomessage" %)
1258 -(((
1259 -**AT+SETCNT=aa,(bb cc dd ee) **
1260 -)))
1194 +(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1261 1261  
1262 1262  aa: 1: Set count1,
1263 1263  
... ... @@ -1268,51 +1268,40 @@
1268 1268  Bb cc dd ee: number to be set
1269 1269  
1270 1270  
1271 -* Downlink Payload (prefix 0xA8):
1205 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1272 1272  
1273 -(% class="box infomessage" %)
1274 -(((
1275 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1276 -)))
1207 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1277 1277  
1278 1278  
1279 1279  
1211 +
1280 1280  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1281 1281  
1282 1282  Clear counting for counting mode
1283 1283  
1284 -* AT Command:
1216 +* (% style="color:#037691" %)**AT Command:**
1285 1285  
1286 -(% class="box infomessage" %)
1287 -(((
1288 -**AT+CLRCOUNT ~/~/ clear all counting**
1289 -)))
1218 +(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1290 1290  
1291 -* Downlink Payload (prefix 0xA6):
1292 1292  
1293 -(% class="box infomessage" %)
1294 -(((
1295 -**0x A6 01     ~/~/ clear all counting,**
1296 -)))
1221 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1297 1297  
1223 +**0x A6 01    ** ~/~/ clear all counting
1298 1298  
1299 1299  
1226 +
1227 +
1300 1300  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1301 1301  
1302 -* AT Command:
1230 +* (% style="color:#037691" %)**AT Command:**
1303 1303  
1304 -(% class="box infomessage" %)
1305 -(((
1306 -**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1307 -)))
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)
1308 1308  
1309 -* Downlink Payload (prefix 0xA7):
1310 1310  
1311 -(% class="box infomessage" %)
1312 -(((
1313 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1314 -)))
1235 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1315 1315  
1237 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1238 +
1316 1316  (((
1317 1317  range: aa bb cc:0 to 16777215,  (unit:second)
1318 1318  
... ... @@ -1320,6 +1320,7 @@
1320 1320  )))
1321 1321  
1322 1322  
1246 +
1323 1323  == 3.5 Integrate with Mydevice ==
1324 1324  
1325 1325  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:
... ... @@ -2009,8 +2009,16 @@
2009 2009  )))
2010 2010  
2011 2011  (((
2012 -
1936 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2013 2013  
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 +
2014 2014  = 6. Trouble Shooting =
2015 2015  )))
2016 2016  

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