Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.110 >
edited by Xiaoling
on 2022/06/10 09:36
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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... ... @@ -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  
... ... @@ -159,12 +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 -
168 168  == 1.3 Features ==
169 169  
170 170  * LoRaWAN Class A & Class C protocol
... ... @@ -177,7 +177,6 @@
177 177  
178 178  
179 179  
180 -
181 181  == 1.4  Applications ==
182 182  
183 183  * Smart Buildings & Home Automation
... ... @@ -189,7 +189,6 @@
189 189  
190 190  
191 191  
192 -
193 193  == 1.5 Hardware Variants ==
194 194  
195 195  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -204,7 +204,6 @@
204 204  )))
205 205  
206 206  
207 -
208 208  = 2. Power ON Device =
209 209  
210 210  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.
... ... @@ -325,7 +325,6 @@
325 325  * [1] RO1 relay channel is close and the RO1 LED is ON.
326 326  * [0] RO2 relay channel is open and RO2 LED is OFF;
327 327  
328 -
329 329  **LT22222-L:**
330 330  
331 331  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -379,12 +379,7 @@
379 379  (((
380 380  (((
381 381  **AT+MOD=2**
382 -)))
383 -)))
384 384  
385 -(% class="box infomessage" %)
386 -(((
387 -(((
388 388  **ATZ**
389 389  )))
390 390  )))
... ... @@ -403,40 +403,15 @@
403 403  (((
404 404  (((
405 405  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
406 -)))
407 -)))
408 408  
409 -(% class="box infomessage" %)
410 -(((
411 -(((
412 412  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
413 -)))
414 -)))
415 415  
416 -(% class="box infomessage" %)
417 -(((
418 -(((
419 419  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
420 -)))
421 -)))
422 422  
423 -(% class="box infomessage" %)
424 -(((
425 -(((
426 426  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
427 -)))
428 -)))
429 429  
430 -(% class="box infomessage" %)
431 -(((
432 -(((
433 433  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
434 -)))
435 -)))
436 436  
437 -(% class="box infomessage" %)
438 -(((
439 -(((
440 440  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
441 441  )))
442 442  )))
... ... @@ -471,12 +471,7 @@
471 471  (((
472 472  (((
473 473  **AT+MOD=3**
474 -)))
475 -)))
476 476  
477 -(% class="box infomessage" %)
478 -(((
479 -(((
480 480  **ATZ**
481 481  )))
482 482  )))
... ... @@ -483,11 +483,10 @@
483 483  
484 484  (((
485 485  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
486 -
487 -
488 488  )))
489 489  
490 490  
456 +
491 491  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
492 492  
493 493  
... ... @@ -522,20 +522,13 @@
522 522  (((
523 523  (((
524 524  **AT+MOD=4**
525 -)))
526 -)))
527 527  
528 -(% class="box infomessage" %)
529 -(((
530 -(((
531 531  **ATZ**
532 532  )))
533 533  )))
534 534  
535 -(((
536 -
537 -)))
538 538  
497 +
539 539  (((
540 540  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
541 541  )))
... ... @@ -549,33 +549,17 @@
549 549  (% class="box infomessage" %)
550 550  (((
551 551  (((
552 -**AT+SETCNT=3,60   (set AVI Count to 60)**
553 -)))
554 -)))
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
555 555  
556 -(% class="box infomessage" %)
557 -(((
558 -(((
559 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
560 -)))
561 -)))
513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
562 562  
563 -(% class="box infomessage" %)
564 -(((
565 -(((
566 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
567 -)))
568 -)))
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
569 569  
570 -(% class="box infomessage" %)
571 -(((
572 -(((
573 -**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)**
574 574  )))
575 575  )))
576 576  
577 577  
578 -
579 579  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
580 580  
581 581  
... ... @@ -609,12 +609,7 @@
609 609  (((
610 610  (((
611 611  **AT+MOD=5**
612 -)))
613 -)))
614 614  
615 -(% class="box infomessage" %)
616 -(((
617 -(((
618 618  **ATZ**
619 619  )))
620 620  )))
... ... @@ -640,9 +640,8 @@
640 640  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
641 641  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.**
642 642  
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
643 643  
644 -**AT Command to set Trigger Condition**:
645 -
646 646  (% style="color:#4f81bd" %)**Trigger base on voltage**:
647 647  
648 648  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -677,7 +677,7 @@
677 677  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
678 678  
679 679  
680 -**Downlink Command to set Trigger Condition:**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
681 681  
682 682  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
683 683  
... ... @@ -720,7 +720,6 @@
720 720  
721 721  * Each bits shows if the corresponding trigger has been configured.
722 722  
723 -
724 724  **Example:**
725 725  
726 726  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -732,7 +732,6 @@
732 732  
733 733  * Each bits shows which status has been trigger on this uplink.
734 734  
735 -
736 736  **Example:**
737 737  
738 738  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -744,7 +744,6 @@
744 744  
745 745  * Each bits shows which status has been trigger on this uplink.
746 746  
747 -
748 748  **Example:**
749 749  
750 750  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -773,7 +773,6 @@
773 773  )))
774 774  
775 775  
776 -
777 777  == 3.4 ​Configure LT via AT or Downlink ==
778 778  
779 779  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -787,6 +787,7 @@
787 787  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
788 788  
789 789  
723 +
790 790  === 3.4.1 Common Commands ===
791 791  
792 792  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]]
... ... @@ -799,7 +799,7 @@
799 799  
800 800  Set device uplink interval.
801 801  
802 -* AT Command:
736 +* (% style="color:#037691" %)**AT Command:**
803 803  
804 804  (% class="box infomessage" %)
805 805  (((
... ... @@ -809,7 +809,7 @@
809 809  **Example: **AT+TDC=30000. Means set interval to 30 seconds
810 810  
811 811  
812 -* Downlink Payload (prefix 0x01):
746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
813 813  
814 814  (% class="box infomessage" %)
815 815  (((
... ... @@ -822,7 +822,7 @@
822 822  
823 823  Set work mode.
824 824  
825 -* AT Command:
759 +* (% style="color:#037691" %)**AT Command:**
826 826  
827 827  (% class="box infomessage" %)
828 828  (((
... ... @@ -832,7 +832,7 @@
832 832  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
833 833  
834 834  
835 -* Downlink Payload (prefix 0x0A):
769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
836 836  
837 837  (% class="box infomessage" %)
838 838  (((
... ... @@ -843,12 +843,12 @@
843 843  
844 844  ==== 3.4.2.3 Poll an uplink ====
845 845  
846 -* AT Command:
780 +* (% style="color:#037691" %)AT Command:
847 847  
848 848  There is no AT Command to poll uplink
849 849  
850 850  
851 -* Downlink Payload (prefix 0x08):
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
852 852  
853 853  (% class="box infomessage" %)
854 854  (((
... ... @@ -863,7 +863,7 @@
863 863  
864 864  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
865 865  
866 -* AT Command:
800 +* (% style="color:#037691" %)AT Command:
867 867  
868 868  (% class="box infomessage" %)
869 869  (((
... ... @@ -875,7 +875,7 @@
875 875  0: Disable Trigger Mode
876 876  
877 877  
878 -* Downlink Payload (prefix 0x0A 06):
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
879 879  
880 880  (% class="box infomessage" %)
881 881  (((
... ... @@ -888,12 +888,12 @@
888 888  
889 889  Poll trigger settings,
890 890  
891 -* AT Command:
825 +* (% style="color:#037691" %)AT Command:
892 892  
893 893  There is no AT Command for this feature.
894 894  
895 895  
896 -* Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
897 897  
898 898  (% class="box infomessage" %)
899 899  (((
... ... @@ -906,7 +906,7 @@
906 906  
907 907  Enable Disable DI1/DI2/DI2 as trigger,
908 908  
909 -* AT Command:
843 +* (% style="color:#037691" %)AT Command:
910 910  
911 911  (% class="box infomessage" %)
912 912  (((
... ... @@ -918,7 +918,7 @@
918 918  
919 919  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
920 920  
921 -* Downlink Payload (prefix 0xAA 02):
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
922 922  
923 923  (% class="box infomessage" %)
924 924  (((
... ... @@ -931,7 +931,7 @@
931 931  
932 932  Set DI1 or DI3(for LT-33222-L) trigger.
933 933  
934 -* AT Command:
868 +* (% style="color:#037691" %)AT Command:
935 935  
936 936  (% class="box infomessage" %)
937 937  (((
... ... @@ -948,7 +948,7 @@
948 948  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
949 949  
950 950  
951 -* Downlink Payload (prefix 0x09 01 ):
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
952 952  
953 953  (% class="box infomessage" %)
954 954  (((
... ... @@ -961,7 +961,7 @@
961 961  
962 962  Set DI2 trigger.
963 963  
964 -* AT Command:
898 +* (% style="color:#037691" %)AT Command:
965 965  
966 966  (% class="box infomessage" %)
967 967  (((
... ... @@ -978,7 +978,7 @@
978 978  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
979 979  
980 980  
981 -* Downlink Payload (prefix 0x09 02 ):
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
982 982  
983 983  (% class="box infomessage" %)
984 984  (((
... ... @@ -991,7 +991,7 @@
991 991  
992 992  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
993 993  
994 -* AT Command:
928 +* (% style="color:#037691" %)AT Command:
995 995  
996 996  (% class="box infomessage" %)
997 997  (((
... ... @@ -999,7 +999,7 @@
999 999  )))
1000 1000  
1001 1001  
1002 -* Downlink Payload (prefix 0xAA 01 ):
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
1003 1003  
1004 1004  (% class="box infomessage" %)
1005 1005  (((
... ... @@ -1012,7 +1012,7 @@
1012 1012  
1013 1013  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1014 1014  
1015 -* AT Command:
949 +* (% style="color:#037691" %)AT Command:
1016 1016  
1017 1017  (% class="box infomessage" %)
1018 1018  (((
... ... @@ -1020,7 +1020,7 @@
1020 1020  )))
1021 1021  
1022 1022  
1023 -* Downlink Payload (prefix 0xAA 00 ):
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
1024 1024  
1025 1025  (% class="box infomessage" %)
1026 1026  (((
... ... @@ -1033,7 +1033,7 @@
1033 1033  
1034 1034  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1035 1035  
1036 -* AT Command:
970 +* (% style="color:#037691" %)AT Command:
1037 1037  
1038 1038  (% class="box infomessage" %)
1039 1039  (((
... ... @@ -1041,7 +1041,7 @@
1041 1041  )))
1042 1042  
1043 1043  
1044 -* Downlink Payload (prefix 0xAC ):
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
1045 1045  
1046 1046  (% class="box infomessage" %)
1047 1047  (((
... ... @@ -1052,12 +1052,12 @@
1052 1052  
1053 1053  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1054 1054  
1055 -* AT Command:
989 +* (% style="color:#037691" %)AT Command:
1056 1056  
1057 1057  There is no AT Command to control Digital Output
1058 1058  
1059 1059  
1060 -* Downlink Payload (prefix 0x02):
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
1061 1061  
1062 1062  (% class="box infomessage" %)
1063 1063  (((
... ... @@ -1086,12 +1086,12 @@
1086 1086  
1087 1087  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1088 1088  
1089 -* AT Command:
1023 +* (% style="color:#037691" %)AT Command:
1090 1090  
1091 1091  There is no AT Command to control Digital Output
1092 1092  
1093 1093  
1094 -* Downlink Payload (prefix 0xA9):
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1095 1095  
1096 1096  (% class="box infomessage" %)
1097 1097  (((
... ... @@ -1155,18 +1155,16 @@
1155 1155  
1156 1156  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1157 1157  
1158 -* AT Command:
1092 +* (% style="color:#037691" %)**AT Command:**
1159 1159  
1160 1160  There is no AT Command to control Relay Output
1161 1161  
1162 1162  
1163 -* Downlink Payload (prefix 0x03):
1097 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1164 1164  
1165 -(% class="box infomessage" %)
1166 -(((
1167 -**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1168 -)))
1099 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1169 1169  
1101 +
1170 1170  (((
1171 1171  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1172 1172  )))
... ... @@ -1183,20 +1183,19 @@
1183 1183  
1184 1184  
1185 1185  
1118 +
1186 1186  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1187 1187  
1188 -* AT Command:
1121 +* (% style="color:#037691" %)**AT Command:**
1189 1189  
1190 1190  There is no AT Command to control Relay Output
1191 1191  
1192 1192  
1193 -* Downlink Payload (prefix 0x05):
1126 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1194 1194  
1195 -(% class="box infomessage" %)
1196 -(((
1197 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1198 -)))
1128 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1199 1199  
1130 +
1200 1200  This is to control the relay output time of relay. Include four bytes:
1201 1201  
1202 1202  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
... ... @@ -1238,35 +1238,28 @@
1238 1238  
1239 1239  
1240 1240  
1172 +
1241 1241  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1242 1242  
1243 1243  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1244 1244  
1245 -* AT Command:
1177 +* (% style="color:#037691" %)**AT Command:**
1246 1246  
1247 -(% class="box infomessage" %)
1248 -(((
1249 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1250 -)))
1179 +(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1251 1251  
1252 1252  
1253 -* Downlink Payload (prefix 0xA5):
1182 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1254 1254  
1255 -(% class="box infomessage" %)
1256 -(((
1257 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1258 -)))
1184 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1259 1259  
1260 1260  
1261 1261  
1188 +
1262 1262  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1263 1263  
1264 -* AT Command:
1191 +* (% style="color:#037691" %)**AT Command:**
1265 1265  
1266 -(% class="box infomessage" %)
1267 -(((
1268 -**AT+SETCNT=aa,(bb cc dd ee) **
1269 -)))
1193 +(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1270 1270  
1271 1271  aa: 1: Set count1,
1272 1272  
... ... @@ -1277,51 +1277,40 @@
1277 1277  Bb cc dd ee: number to be set
1278 1278  
1279 1279  
1280 -* Downlink Payload (prefix 0xA8):
1204 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1281 1281  
1282 -(% class="box infomessage" %)
1283 -(((
1284 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1285 -)))
1206 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1286 1286  
1287 1287  
1288 1288  
1210 +
1289 1289  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1290 1290  
1291 1291  Clear counting for counting mode
1292 1292  
1293 -* AT Command:
1215 +* (% style="color:#037691" %)**AT Command:**
1294 1294  
1295 -(% class="box infomessage" %)
1296 -(((
1297 -**AT+CLRCOUNT ~/~/ clear all counting**
1298 -)))
1217 +(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1299 1299  
1300 -* Downlink Payload (prefix 0xA6):
1301 1301  
1302 -(% class="box infomessage" %)
1303 -(((
1304 -**0x A6 01     ~/~/ clear all counting,**
1305 -)))
1220 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1306 1306  
1222 +**0x A6 01    ** ~/~/ clear all counting
1307 1307  
1308 1308  
1225 +
1226 +
1309 1309  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1310 1310  
1311 -* AT Command:
1229 +* (% style="color:#037691" %)**AT Command:**
1312 1312  
1313 -(% class="box infomessage" %)
1314 -(((
1315 -**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1316 -)))
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)
1317 1317  
1318 -* Downlink Payload (prefix 0xA7):
1319 1319  
1320 -(% class="box infomessage" %)
1321 -(((
1322 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1323 -)))
1234 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1324 1324  
1236 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1237 +
1325 1325  (((
1326 1326  range: aa bb cc:0 to 16777215,  (unit:second)
1327 1327  
... ... @@ -1329,6 +1329,7 @@
1329 1329  )))
1330 1330  
1331 1331  
1245 +
1332 1332  == 3.5 Integrate with Mydevice ==
1333 1333  
1334 1334  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:
... ... @@ -2018,8 +2018,16 @@
2018 2018  )))
2019 2019  
2020 2020  (((
2021 -
1935 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2022 2022  
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 +
2023 2023  = 6. Trouble Shooting =
2024 2024  )))
2025 2025  

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