Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.104 >
edited by Xiaoling
on 2022/06/10 09:34
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  (((
... ... @@ -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  
... ... @@ -159,6 +159,8 @@
159 159  * (((
160 160  Packet engine up to 256 bytes with CRC.
161 161  
169 +
170 +
162 162  
163 163  )))
164 164  
... ... @@ -172,6 +172,8 @@
172 172  * Firmware upgradable via program port
173 173  * Counting
174 174  
184 +
185 +
175 175  == 1.4  Applications ==
176 176  
177 177  * Smart Buildings & Home Automation
... ... @@ -181,6 +181,8 @@
181 181  * Smart Cities
182 182  * Smart Factory
183 183  
195 +
196 +
184 184  == 1.5 Hardware Variants ==
185 185  
186 186  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -194,6 +194,7 @@
194 194  * 1 x Counting Port
195 195  )))
196 196  
210 +
197 197  = 2. Power ON Device =
198 198  
199 199  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.
... ... @@ -216,8 +216,6 @@
216 216  
217 217  (((
218 218  In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
219 -
220 -
221 221  )))
222 222  
223 223  
... ... @@ -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.
... ... @@ -315,7 +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 -
319 319  **LT22222-L:**
320 320  
321 321  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -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  )))
... ... @@ -473,11 +473,10 @@
473 473  
474 474  (((
475 475  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
476 -
477 -
478 478  )))
479 479  
480 480  
456 +
481 481  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
482 482  
483 483  
... ... @@ -512,20 +512,13 @@
512 512  (((
513 513  (((
514 514  **AT+MOD=4**
515 -)))
516 -)))
517 517  
518 -(% class="box infomessage" %)
519 -(((
520 -(((
521 521  **ATZ**
522 522  )))
523 523  )))
524 524  
525 -(((
526 -
527 -)))
528 528  
497 +
529 529  (((
530 530  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
531 531  )))
... ... @@ -539,33 +539,17 @@
539 539  (% class="box infomessage" %)
540 540  (((
541 541  (((
542 -**AT+SETCNT=3,60   (set AVI Count to 60)**
543 -)))
544 -)))
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
545 545  
546 -(% class="box infomessage" %)
547 -(((
548 -(((
549 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
550 -)))
551 -)))
513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
552 552  
553 -(% class="box infomessage" %)
554 -(((
555 -(((
556 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
557 -)))
558 -)))
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
559 559  
560 -(% class="box infomessage" %)
561 -(((
562 -(((
563 -**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)**
564 564  )))
565 565  )))
566 566  
567 567  
568 -
569 569  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
570 570  
571 571  
... ... @@ -599,12 +599,7 @@
599 599  (((
600 600  (((
601 601  **AT+MOD=5**
602 -)))
603 -)))
604 604  
605 -(% class="box infomessage" %)
606 -(((
607 -(((
608 608  **ATZ**
609 609  )))
610 610  )))
... ... @@ -630,9 +630,8 @@
630 630  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
631 631  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.**
632 632  
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
633 633  
634 -**AT Command to set Trigger Condition**:
635 -
636 636  (% style="color:#4f81bd" %)**Trigger base on voltage**:
637 637  
638 638  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -667,7 +667,7 @@
667 667  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
668 668  
669 669  
670 -**Downlink Command to set Trigger Condition:**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
671 671  
672 672  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
673 673  
... ... @@ -710,7 +710,6 @@
710 710  
711 711  * Each bits shows if the corresponding trigger has been configured.
712 712  
713 -
714 714  **Example:**
715 715  
716 716  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -722,7 +722,6 @@
722 722  
723 723  * Each bits shows which status has been trigger on this uplink.
724 724  
725 -
726 726  **Example:**
727 727  
728 728  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -734,7 +734,6 @@
734 734  
735 735  * Each bits shows which status has been trigger on this uplink.
736 736  
737 -
738 738  **Example:**
739 739  
740 740  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -763,7 +763,6 @@
763 763  )))
764 764  
765 765  
766 -
767 767  == 3.4 ​Configure LT via AT or Downlink ==
768 768  
769 769  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -777,6 +777,7 @@
777 777  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
778 778  
779 779  
723 +
780 780  === 3.4.1 Common Commands ===
781 781  
782 782  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]]
... ... @@ -789,7 +789,7 @@
789 789  
790 790  Set device uplink interval.
791 791  
792 -* AT Command:
736 +* (% style="color:#037691" %)**AT Command:**
793 793  
794 794  (% class="box infomessage" %)
795 795  (((
... ... @@ -799,7 +799,7 @@
799 799  **Example: **AT+TDC=30000. Means set interval to 30 seconds
800 800  
801 801  
802 -* Downlink Payload (prefix 0x01):
746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
803 803  
804 804  (% class="box infomessage" %)
805 805  (((
... ... @@ -812,7 +812,7 @@
812 812  
813 813  Set work mode.
814 814  
815 -* AT Command:
759 +* (% style="color:#037691" %)**AT Command:**
816 816  
817 817  (% class="box infomessage" %)
818 818  (((
... ... @@ -822,7 +822,7 @@
822 822  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
823 823  
824 824  
825 -* Downlink Payload (prefix 0x0A):
769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
826 826  
827 827  (% class="box infomessage" %)
828 828  (((
... ... @@ -833,12 +833,12 @@
833 833  
834 834  ==== 3.4.2.3 Poll an uplink ====
835 835  
836 -* AT Command:
780 +* (% style="color:#037691" %)AT Command:
837 837  
838 838  There is no AT Command to poll uplink
839 839  
840 840  
841 -* Downlink Payload (prefix 0x08):
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
842 842  
843 843  (% class="box infomessage" %)
844 844  (((
... ... @@ -853,7 +853,7 @@
853 853  
854 854  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
855 855  
856 -* AT Command:
800 +* (% style="color:#037691" %)AT Command:
857 857  
858 858  (% class="box infomessage" %)
859 859  (((
... ... @@ -865,7 +865,7 @@
865 865  0: Disable Trigger Mode
866 866  
867 867  
868 -* Downlink Payload (prefix 0x0A 06):
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
869 869  
870 870  (% class="box infomessage" %)
871 871  (((
... ... @@ -878,12 +878,12 @@
878 878  
879 879  Poll trigger settings,
880 880  
881 -* AT Command:
825 +* (% style="color:#037691" %)AT Command:
882 882  
883 883  There is no AT Command for this feature.
884 884  
885 885  
886 -* Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
887 887  
888 888  (% class="box infomessage" %)
889 889  (((
... ... @@ -896,7 +896,7 @@
896 896  
897 897  Enable Disable DI1/DI2/DI2 as trigger,
898 898  
899 -* AT Command:
843 +* (% style="color:#037691" %)AT Command:
900 900  
901 901  (% class="box infomessage" %)
902 902  (((
... ... @@ -908,7 +908,7 @@
908 908  
909 909  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
910 910  
911 -* Downlink Payload (prefix 0xAA 02):
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
912 912  
913 913  (% class="box infomessage" %)
914 914  (((
... ... @@ -921,7 +921,7 @@
921 921  
922 922  Set DI1 or DI3(for LT-33222-L) trigger.
923 923  
924 -* AT Command:
868 +* (% style="color:#037691" %)AT Command:
925 925  
926 926  (% class="box infomessage" %)
927 927  (((
... ... @@ -938,7 +938,7 @@
938 938  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
939 939  
940 940  
941 -* Downlink Payload (prefix 0x09 01 ):
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
942 942  
943 943  (% class="box infomessage" %)
944 944  (((
... ... @@ -951,7 +951,7 @@
951 951  
952 952  Set DI2 trigger.
953 953  
954 -* AT Command:
898 +* (% style="color:#037691" %)AT Command:
955 955  
956 956  (% class="box infomessage" %)
957 957  (((
... ... @@ -968,7 +968,7 @@
968 968  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
969 969  
970 970  
971 -* Downlink Payload (prefix 0x09 02 ):
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
972 972  
973 973  (% class="box infomessage" %)
974 974  (((
... ... @@ -981,7 +981,7 @@
981 981  
982 982  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
983 983  
984 -* AT Command:
928 +* (% style="color:#037691" %)AT Command:
985 985  
986 986  (% class="box infomessage" %)
987 987  (((
... ... @@ -989,7 +989,7 @@
989 989  )))
990 990  
991 991  
992 -* Downlink Payload (prefix 0xAA 01 ):
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
993 993  
994 994  (% class="box infomessage" %)
995 995  (((
... ... @@ -1002,7 +1002,7 @@
1002 1002  
1003 1003  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1004 1004  
1005 -* AT Command:
949 +* (% style="color:#037691" %)AT Command:
1006 1006  
1007 1007  (% class="box infomessage" %)
1008 1008  (((
... ... @@ -1010,7 +1010,7 @@
1010 1010  )))
1011 1011  
1012 1012  
1013 -* Downlink Payload (prefix 0xAA 00 ):
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
1014 1014  
1015 1015  (% class="box infomessage" %)
1016 1016  (((
... ... @@ -1023,7 +1023,7 @@
1023 1023  
1024 1024  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1025 1025  
1026 -* AT Command:
970 +* (% style="color:#037691" %)AT Command:
1027 1027  
1028 1028  (% class="box infomessage" %)
1029 1029  (((
... ... @@ -1031,7 +1031,7 @@
1031 1031  )))
1032 1032  
1033 1033  
1034 -* Downlink Payload (prefix 0xAC ):
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
1035 1035  
1036 1036  (% class="box infomessage" %)
1037 1037  (((
... ... @@ -1042,12 +1042,12 @@
1042 1042  
1043 1043  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1044 1044  
1045 -* AT Command:
989 +* (% style="color:#037691" %)AT Command:
1046 1046  
1047 1047  There is no AT Command to control Digital Output
1048 1048  
1049 1049  
1050 -* Downlink Payload (prefix 0x02):
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
1051 1051  
1052 1052  (% class="box infomessage" %)
1053 1053  (((
... ... @@ -1076,12 +1076,12 @@
1076 1076  
1077 1077  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1078 1078  
1079 -* AT Command:
1023 +* (% style="color:#037691" %)AT Command:
1080 1080  
1081 1081  There is no AT Command to control Digital Output
1082 1082  
1083 1083  
1084 -* Downlink Payload (prefix 0xA9):
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1085 1085  
1086 1086  (% class="box infomessage" %)
1087 1087  (((
... ... @@ -1145,12 +1145,12 @@
1145 1145  
1146 1146  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1147 1147  
1148 -* AT Command:
1092 +* (% style="color:#037691" %)AT Command:
1149 1149  
1150 1150  There is no AT Command to control Relay Output
1151 1151  
1152 1152  
1153 -* Downlink Payload (prefix 0x03):
1097 +* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1154 1154  
1155 1155  (% class="box infomessage" %)
1156 1156  (((
... ... @@ -1175,18 +1175,16 @@
1175 1175  
1176 1176  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1177 1177  
1178 -* AT Command:
1122 +* (% style="color:#037691" %)AT Command:
1179 1179  
1180 1180  There is no AT Command to control Relay Output
1181 1181  
1182 1182  
1183 -* Downlink Payload (prefix 0x05):
1127 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1184 1184  
1185 -(% class="box infomessage" %)
1186 -(((
1187 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1188 -)))
1129 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1189 1189  
1131 +
1190 1190  This is to control the relay output time of relay. Include four bytes:
1191 1191  
1192 1192  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
... ... @@ -1228,35 +1228,28 @@
1228 1228  
1229 1229  
1230 1230  
1173 +
1231 1231  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1232 1232  
1233 1233  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1234 1234  
1235 -* AT Command:
1178 +* (% style="color:#037691" %)**AT Command:**
1236 1236  
1237 -(% class="box infomessage" %)
1238 -(((
1239 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1240 -)))
1180 +(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1241 1241  
1242 1242  
1243 -* Downlink Payload (prefix 0xA5):
1183 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1244 1244  
1245 -(% class="box infomessage" %)
1246 -(((
1247 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1248 -)))
1185 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1249 1249  
1250 1250  
1251 1251  
1189 +
1252 1252  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1253 1253  
1254 -* AT Command:
1192 +* (% style="color:#037691" %)**AT Command:**
1255 1255  
1256 -(% class="box infomessage" %)
1257 -(((
1258 -**AT+SETCNT=aa,(bb cc dd ee) **
1259 -)))
1194 +(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1260 1260  
1261 1261  aa: 1: Set count1,
1262 1262  
... ... @@ -1267,51 +1267,40 @@
1267 1267  Bb cc dd ee: number to be set
1268 1268  
1269 1269  
1270 -* Downlink Payload (prefix 0xA8):
1205 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1271 1271  
1272 -(% class="box infomessage" %)
1273 -(((
1274 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1275 -)))
1207 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1276 1276  
1277 1277  
1278 1278  
1211 +
1279 1279  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1280 1280  
1281 1281  Clear counting for counting mode
1282 1282  
1283 -* AT Command:
1216 +* (% style="color:#037691" %)**AT Command:**
1284 1284  
1285 -(% class="box infomessage" %)
1286 -(((
1287 -**AT+CLRCOUNT ~/~/ clear all counting**
1288 -)))
1218 +(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1289 1289  
1290 -* Downlink Payload (prefix 0xA6):
1291 1291  
1292 -(% class="box infomessage" %)
1293 -(((
1294 -**0x A6 01     ~/~/ clear all counting,**
1295 -)))
1221 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1296 1296  
1223 +**0x A6 01    ** ~/~/ clear all counting
1297 1297  
1298 1298  
1226 +
1227 +
1299 1299  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1300 1300  
1301 -* AT Command:
1230 +* (% style="color:#037691" %)**AT Command:**
1302 1302  
1303 -(% class="box infomessage" %)
1304 -(((
1305 -**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1306 -)))
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)
1307 1307  
1308 -* Downlink Payload (prefix 0xA7):
1309 1309  
1310 -(% class="box infomessage" %)
1311 -(((
1312 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1313 -)))
1235 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1314 1314  
1237 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1238 +
1315 1315  (((
1316 1316  range: aa bb cc:0 to 16777215,  (unit:second)
1317 1317  
... ... @@ -1319,6 +1319,7 @@
1319 1319  )))
1320 1320  
1321 1321  
1246 +
1322 1322  == 3.5 Integrate with Mydevice ==
1323 1323  
1324 1324  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:
... ... @@ -2008,8 +2008,16 @@
2008 2008  )))
2009 2009  
2010 2010  (((
2011 -
1936 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2012 2012  
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 +
2013 2013  = 6. Trouble Shooting =
2014 2014  )))
2015 2015  

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