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 < 82.15 >
edited by Xiaoling
on 2022/06/20 11:47
>
Change comment: There is no comment for this version

Summary

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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.
... ... @@ -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  (((
... ... @@ -1138,18 +1138,16 @@
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 -(% class="box infomessage" %)
1149 -(((
1150 -**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1151 -)))
1099 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1152 1152  
1101 +
1153 1153  (((
1154 1154  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1155 1155  )))
... ... @@ -1166,20 +1166,19 @@
1166 1166  
1167 1167  
1168 1168  
1118 +
1169 1169  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1170 1170  
1171 -* AT Command:
1121 +* (% 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):
1126 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1177 1177  
1178 -(% class="box infomessage" %)
1179 -(((
1180 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1181 -)))
1128 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1182 1182  
1130 +
1183 1183  This is to control the relay output time of relay. Include four bytes:
1184 1184  
1185 1185  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
... ... @@ -1221,35 +1221,28 @@
1221 1221  
1222 1222  
1223 1223  
1172 +
1224 1224  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1225 1225  
1226 1226  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1227 1227  
1228 -* AT Command:
1177 +* (% style="color:#037691" %)**AT Command:**
1229 1229  
1230 -(% class="box infomessage" %)
1231 -(((
1232 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1233 -)))
1179 +(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1234 1234  
1235 1235  
1236 -* Downlink Payload (prefix 0xA5):
1182 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1237 1237  
1238 -(% class="box infomessage" %)
1239 -(((
1240 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1241 -)))
1184 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1242 1242  
1243 1243  
1244 1244  
1188 +
1245 1245  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1246 1246  
1247 -* AT Command:
1191 +* (% style="color:#037691" %)**AT Command:**
1248 1248  
1249 -(% class="box infomessage" %)
1250 -(((
1251 -**AT+SETCNT=aa,(bb cc dd ee) **
1252 -)))
1193 +(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1253 1253  
1254 1254  aa: 1: Set count1,
1255 1255  
... ... @@ -1260,51 +1260,40 @@
1260 1260  Bb cc dd ee: number to be set
1261 1261  
1262 1262  
1263 -* Downlink Payload (prefix 0xA8):
1204 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1264 1264  
1265 -(% class="box infomessage" %)
1266 -(((
1267 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1268 -)))
1206 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1269 1269  
1270 1270  
1271 1271  
1210 +
1272 1272  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1273 1273  
1274 1274  Clear counting for counting mode
1275 1275  
1276 -* AT Command:
1215 +* (% style="color:#037691" %)**AT Command:**
1277 1277  
1278 -(% class="box infomessage" %)
1279 -(((
1280 -**AT+CLRCOUNT ~/~/ clear all counting**
1281 -)))
1217 +(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1282 1282  
1283 -* Downlink Payload (prefix 0xA6):
1284 1284  
1285 -(% class="box infomessage" %)
1286 -(((
1287 -**0x A6 01     ~/~/ clear all counting,**
1288 -)))
1220 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1289 1289  
1222 +**0x A6 01    ** ~/~/ clear all counting
1290 1290  
1291 1291  
1225 +
1226 +
1292 1292  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1293 1293  
1294 -* AT Command:
1229 +* (% 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 -)))
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)
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 -)))
1234 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1307 1307  
1236 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1237 +
1308 1308  (((
1309 1309  range: aa bb cc:0 to 16777215,  (unit:second)
1310 1310  
... ... @@ -1312,6 +1312,7 @@
1312 1312  )))
1313 1313  
1314 1314  
1245 +
1315 1315  == 3.5 Integrate with Mydevice ==
1316 1316  
1317 1317  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:
... ... @@ -2001,8 +2001,16 @@
2001 2001  )))
2002 2002  
2003 2003  (((
2004 -
1935 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2005 2005  
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 +
2006 2006  = 6. Trouble Shooting =
2007 2007  )))
2008 2008  

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