Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.94 >
edited by Xiaoling
on 2022/06/10 09:31
To version < 82.16 >
edited by Xiaoling
on 2022/06/20 11:48
>
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  (((
... ... @@ -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.
... ... @@ -216,12 +216,9 @@
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  
224 -
225 225  == 3.2 Example to join LoRaWAN network ==
226 226  
227 227  (((
... ... @@ -230,12 +230,13 @@
230 230  
231 231  [[image:image-20220523172350-1.png||height="266" width="864"]]
232 232  
244 +
233 233  (((
234 234  The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
235 235  )))
236 236  
237 237  (((
238 -**Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
250 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
239 239  )))
240 240  
241 241  (((
... ... @@ -244,6 +244,7 @@
244 244  
245 245  [[image:1653297924498-393.png]]
246 246  
259 +
247 247  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
248 248  
249 249  Add APP EUI in the application.
... ... @@ -257,7 +257,7 @@
257 257  
258 258  
259 259  (((
260 -**Step 2**: Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
273 +(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
261 261  )))
262 262  
263 263  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -276,6 +276,7 @@
276 276  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
277 277  
278 278  
292 +
279 279  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
280 280  
281 281  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -330,6 +330,7 @@
330 330  ** DO1 LED is off in both case
331 331  
332 332  
347 +
333 333  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
334 334  
335 335  
... ... @@ -366,12 +366,7 @@
366 366  (((
367 367  (((
368 368  **AT+MOD=2**
369 -)))
370 -)))
371 371  
372 -(% class="box infomessage" %)
373 -(((
374 -(((
375 375  **ATZ**
376 376  )))
377 377  )))
... ... @@ -390,40 +390,15 @@
390 390  (((
391 391  (((
392 392  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
393 -)))
394 -)))
395 395  
396 -(% class="box infomessage" %)
397 -(((
398 -(((
399 399  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
400 -)))
401 -)))
402 402  
403 -(% class="box infomessage" %)
404 -(((
405 -(((
406 406  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
407 -)))
408 -)))
409 409  
410 -(% class="box infomessage" %)
411 -(((
412 -(((
413 413  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
414 -)))
415 -)))
416 416  
417 -(% class="box infomessage" %)
418 -(((
419 -(((
420 420  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
421 -)))
422 -)))
423 423  
424 -(% class="box infomessage" %)
425 -(((
426 -(((
427 427  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
428 428  )))
429 429  )))
... ... @@ -458,12 +458,7 @@
458 458  (((
459 459  (((
460 460  **AT+MOD=3**
461 -)))
462 -)))
463 463  
464 -(% class="box infomessage" %)
465 -(((
466 -(((
467 467  **ATZ**
468 468  )))
469 469  )))
... ... @@ -470,11 +470,10 @@
470 470  
471 471  (((
472 472  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
473 -
474 -
475 475  )))
476 476  
477 477  
456 +
478 478  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
479 479  
480 480  
... ... @@ -509,20 +509,13 @@
509 509  (((
510 510  (((
511 511  **AT+MOD=4**
512 -)))
513 -)))
514 514  
515 -(% class="box infomessage" %)
516 -(((
517 -(((
518 518  **ATZ**
519 519  )))
520 520  )))
521 521  
522 -(((
523 -
524 -)))
525 525  
497 +
526 526  (((
527 527  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
528 528  )))
... ... @@ -536,33 +536,17 @@
536 536  (% class="box infomessage" %)
537 537  (((
538 538  (((
539 -**AT+SETCNT=3,60   (set AVI Count to 60)**
540 -)))
541 -)))
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
542 542  
543 -(% class="box infomessage" %)
544 -(((
545 -(((
546 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
547 -)))
548 -)))
513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
549 549  
550 -(% class="box infomessage" %)
551 -(((
552 -(((
553 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
554 -)))
555 -)))
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
556 556  
557 -(% class="box infomessage" %)
558 -(((
559 -(((
560 -**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)**
561 561  )))
562 562  )))
563 563  
564 564  
565 -
566 566  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
567 567  
568 568  
... ... @@ -596,12 +596,7 @@
596 596  (((
597 597  (((
598 598  **AT+MOD=5**
599 -)))
600 -)))
601 601  
602 -(% class="box infomessage" %)
603 -(((
604 -(((
605 605  **ATZ**
606 606  )))
607 607  )))
... ... @@ -627,7 +627,7 @@
627 627  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
628 628  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.**
629 629  
630 -**AT Command to set Trigger Condition**:
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
631 631  
632 632  (% style="color:#4f81bd" %)**Trigger base on voltage**:
633 633  
... ... @@ -640,6 +640,7 @@
640 640  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
641 641  
642 642  
594 +
643 643  (% style="color:#4f81bd" %)**Trigger base on current**:
644 644  
645 645  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -649,6 +649,7 @@
649 649  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
650 650  
651 651  
604 +
652 652  (% style="color:#4f81bd" %)**Trigger base on DI status**:
653 653  
654 654  DI status trigger Flag.
... ... @@ -661,7 +661,7 @@
661 661  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
662 662  
663 663  
664 -**Downlink Command to set Trigger Condition:**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
665 665  
666 666  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
667 667  
... ... @@ -704,8 +704,6 @@
704 704  
705 705  * Each bits shows if the corresponding trigger has been configured.
706 706  
707 -
708 -
709 709  **Example:**
710 710  
711 711  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -717,8 +717,6 @@
717 717  
718 718  * Each bits shows which status has been trigger on this uplink.
719 719  
720 -
721 -
722 722  **Example:**
723 723  
724 724  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -730,8 +730,6 @@
730 730  
731 731  * Each bits shows which status has been trigger on this uplink.
732 732  
733 -
734 -
735 735  **Example:**
736 736  
737 737  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -760,7 +760,6 @@
760 760  )))
761 761  
762 762  
763 -
764 764  == 3.4 ​Configure LT via AT or Downlink ==
765 765  
766 766  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -787,7 +787,7 @@
787 787  
788 788  Set device uplink interval.
789 789  
790 -* AT Command:
736 +* (% style="color:#037691" %)**AT Command:**
791 791  
792 792  (% class="box infomessage" %)
793 793  (((
... ... @@ -797,7 +797,7 @@
797 797  **Example: **AT+TDC=30000. Means set interval to 30 seconds
798 798  
799 799  
800 -* Downlink Payload (prefix 0x01):
746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
801 801  
802 802  (% class="box infomessage" %)
803 803  (((
... ... @@ -810,7 +810,7 @@
810 810  
811 811  Set work mode.
812 812  
813 -* AT Command:
759 +* (% style="color:#037691" %)**AT Command:**
814 814  
815 815  (% class="box infomessage" %)
816 816  (((
... ... @@ -820,7 +820,7 @@
820 820  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
821 821  
822 822  
823 -* Downlink Payload (prefix 0x0A):
769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
824 824  
825 825  (% class="box infomessage" %)
826 826  (((
... ... @@ -831,12 +831,12 @@
831 831  
832 832  ==== 3.4.2.3 Poll an uplink ====
833 833  
834 -* AT Command:
780 +* (% style="color:#037691" %)AT Command:
835 835  
836 836  There is no AT Command to poll uplink
837 837  
838 838  
839 -* Downlink Payload (prefix 0x08):
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
840 840  
841 841  (% class="box infomessage" %)
842 842  (((
... ... @@ -851,7 +851,7 @@
851 851  
852 852  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
853 853  
854 -* AT Command:
800 +* (% style="color:#037691" %)AT Command:
855 855  
856 856  (% class="box infomessage" %)
857 857  (((
... ... @@ -863,7 +863,7 @@
863 863  0: Disable Trigger Mode
864 864  
865 865  
866 -* Downlink Payload (prefix 0x0A 06):
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
867 867  
868 868  (% class="box infomessage" %)
869 869  (((
... ... @@ -876,12 +876,12 @@
876 876  
877 877  Poll trigger settings,
878 878  
879 -* AT Command:
825 +* (% style="color:#037691" %)AT Command:
880 880  
881 881  There is no AT Command for this feature.
882 882  
883 883  
884 -* Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
885 885  
886 886  (% class="box infomessage" %)
887 887  (((
... ... @@ -894,7 +894,7 @@
894 894  
895 895  Enable Disable DI1/DI2/DI2 as trigger,
896 896  
897 -* AT Command:
843 +* (% style="color:#037691" %)AT Command:
898 898  
899 899  (% class="box infomessage" %)
900 900  (((
... ... @@ -906,7 +906,7 @@
906 906  
907 907  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
908 908  
909 -* Downlink Payload (prefix 0xAA 02):
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
910 910  
911 911  (% class="box infomessage" %)
912 912  (((
... ... @@ -919,7 +919,7 @@
919 919  
920 920  Set DI1 or DI3(for LT-33222-L) trigger.
921 921  
922 -* AT Command:
868 +* (% style="color:#037691" %)AT Command:
923 923  
924 924  (% class="box infomessage" %)
925 925  (((
... ... @@ -936,7 +936,7 @@
936 936  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
937 937  
938 938  
939 -* Downlink Payload (prefix 0x09 01 ):
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
940 940  
941 941  (% class="box infomessage" %)
942 942  (((
... ... @@ -949,7 +949,7 @@
949 949  
950 950  Set DI2 trigger.
951 951  
952 -* AT Command:
898 +* (% style="color:#037691" %)AT Command:
953 953  
954 954  (% class="box infomessage" %)
955 955  (((
... ... @@ -966,7 +966,7 @@
966 966  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
967 967  
968 968  
969 -* Downlink Payload (prefix 0x09 02 ):
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
970 970  
971 971  (% class="box infomessage" %)
972 972  (((
... ... @@ -979,7 +979,7 @@
979 979  
980 980  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
981 981  
982 -* AT Command:
928 +* (% style="color:#037691" %)AT Command:
983 983  
984 984  (% class="box infomessage" %)
985 985  (((
... ... @@ -987,7 +987,7 @@
987 987  )))
988 988  
989 989  
990 -* Downlink Payload (prefix 0xAA 01 ):
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
991 991  
992 992  (% class="box infomessage" %)
993 993  (((
... ... @@ -1000,7 +1000,7 @@
1000 1000  
1001 1001  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1002 1002  
1003 -* AT Command:
949 +* (% style="color:#037691" %)AT Command:
1004 1004  
1005 1005  (% class="box infomessage" %)
1006 1006  (((
... ... @@ -1008,7 +1008,7 @@
1008 1008  )))
1009 1009  
1010 1010  
1011 -* Downlink Payload (prefix 0xAA 00 ):
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
1012 1012  
1013 1013  (% class="box infomessage" %)
1014 1014  (((
... ... @@ -1021,7 +1021,7 @@
1021 1021  
1022 1022  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1023 1023  
1024 -* AT Command:
970 +* (% style="color:#037691" %)AT Command:
1025 1025  
1026 1026  (% class="box infomessage" %)
1027 1027  (((
... ... @@ -1029,7 +1029,7 @@
1029 1029  )))
1030 1030  
1031 1031  
1032 -* Downlink Payload (prefix 0xAC ):
978 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC ):**
1033 1033  
1034 1034  (% class="box infomessage" %)
1035 1035  (((
... ... @@ -1040,17 +1040,14 @@
1040 1040  
1041 1041  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1042 1042  
1043 -* AT Command:
989 +* (% style="color:#037691" %)**AT Command:**
1044 1044  
1045 1045  There is no AT Command to control Digital Output
1046 1046  
1047 1047  
1048 -* Downlink Payload (prefix 0x02):
994 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x02):**
995 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1049 1049  
1050 -(% class="box infomessage" %)
1051 -(((
1052 -**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
1053 -)))
1054 1054  
1055 1055  (((
1056 1056  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -1072,22 +1072,19 @@
1072 1072  
1073 1073  
1074 1074  
1018 +
1075 1075  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1076 1076  
1077 -* AT Command:
1021 +* (% style="color:#037691" %)**AT Command:**
1078 1078  
1079 1079  There is no AT Command to control Digital Output
1080 1080  
1081 1081  
1082 -* Downlink Payload (prefix 0xA9):
1026 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9):**
1083 1083  
1084 -(% class="box infomessage" %)
1085 -(((
1086 -(((
1087 -**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1088 -)))
1089 -)))
1028 +**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1090 1090  
1030 +
1091 1091  This is to control the digital output time of DO pin. Include four bytes:
1092 1092  
1093 1093  (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
... ... @@ -1141,20 +1141,19 @@
1141 1141  
1142 1142  
1143 1143  
1084 +
1144 1144  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1145 1145  
1146 -* AT Command:
1087 +* (% style="color:#037691" %)**AT Command:**
1147 1147  
1148 1148  There is no AT Command to control Relay Output
1149 1149  
1150 1150  
1151 -* Downlink Payload (prefix 0x03):
1092 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1152 1152  
1153 -(% class="box infomessage" %)
1154 -(((
1155 -**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1156 -)))
1094 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1157 1157  
1096 +
1158 1158  (((
1159 1159  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1160 1160  )))
... ... @@ -1171,20 +1171,19 @@
1171 1171  
1172 1172  
1173 1173  
1113 +
1174 1174  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1175 1175  
1176 -* AT Command:
1116 +* (% style="color:#037691" %)**AT Command:**
1177 1177  
1178 1178  There is no AT Command to control Relay Output
1179 1179  
1180 1180  
1181 -* Downlink Payload (prefix 0x05):
1121 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1182 1182  
1183 -(% class="box infomessage" %)
1184 -(((
1185 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1186 -)))
1123 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1187 1187  
1125 +
1188 1188  This is to control the relay output time of relay. Include four bytes:
1189 1189  
1190 1190  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
... ... @@ -1226,35 +1226,28 @@
1226 1226  
1227 1227  
1228 1228  
1167 +
1229 1229  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1230 1230  
1231 1231  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1232 1232  
1233 -* AT Command:
1172 +* (% style="color:#037691" %)**AT Command:**
1234 1234  
1235 -(% class="box infomessage" %)
1236 -(((
1237 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1238 -)))
1174 +(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1239 1239  
1240 1240  
1241 -* Downlink Payload (prefix 0xA5):
1177 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1242 1242  
1243 -(% class="box infomessage" %)
1244 -(((
1245 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1246 -)))
1179 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1247 1247  
1248 1248  
1249 1249  
1183 +
1250 1250  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1251 1251  
1252 -* AT Command:
1186 +* (% style="color:#037691" %)**AT Command:**
1253 1253  
1254 -(% class="box infomessage" %)
1255 -(((
1256 -**AT+SETCNT=aa,(bb cc dd ee) **
1257 -)))
1188 +(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1258 1258  
1259 1259  aa: 1: Set count1,
1260 1260  
... ... @@ -1265,51 +1265,40 @@
1265 1265  Bb cc dd ee: number to be set
1266 1266  
1267 1267  
1268 -* Downlink Payload (prefix 0xA8):
1199 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1269 1269  
1270 -(% class="box infomessage" %)
1271 -(((
1272 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1273 -)))
1201 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1274 1274  
1275 1275  
1276 1276  
1205 +
1277 1277  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1278 1278  
1279 1279  Clear counting for counting mode
1280 1280  
1281 -* AT Command:
1210 +* (% style="color:#037691" %)**AT Command:**
1282 1282  
1283 -(% class="box infomessage" %)
1284 -(((
1285 -**AT+CLRCOUNT ~/~/ clear all counting**
1286 -)))
1212 +(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1287 1287  
1288 -* Downlink Payload (prefix 0xA6):
1289 1289  
1290 -(% class="box infomessage" %)
1291 -(((
1292 -**0x A6 01     ~/~/ clear all counting,**
1293 -)))
1215 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1294 1294  
1217 +**0x A6 01    ** ~/~/ clear all counting
1295 1295  
1296 1296  
1220 +
1221 +
1297 1297  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1298 1298  
1299 -* AT Command:
1224 +* (% style="color:#037691" %)**AT Command:**
1300 1300  
1301 -(% class="box infomessage" %)
1302 -(((
1303 -**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1304 -)))
1226 +**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1305 1305  
1306 -* Downlink Payload (prefix 0xA7):
1307 1307  
1308 -(% class="box infomessage" %)
1309 -(((
1310 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1311 -)))
1229 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1312 1312  
1231 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1232 +
1313 1313  (((
1314 1314  range: aa bb cc:0 to 16777215,  (unit:second)
1315 1315  
... ... @@ -1317,6 +1317,7 @@
1317 1317  )))
1318 1318  
1319 1319  
1240 +
1320 1320  == 3.5 Integrate with Mydevice ==
1321 1321  
1322 1322  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:
... ... @@ -2006,8 +2006,16 @@
2006 2006  )))
2007 2007  
2008 2008  (((
2009 -
1930 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2010 2010  
1932 +If the device is not shut down, but directly powered off.
1933 +
1934 +It will default that this is a power-off state.
1935 +
1936 +In modes 2 to 5, DO RO status and pulse count are saved in flash.
1937 +
1938 +After restart, the status before power failure will be read from flash.
1939 +
2011 2011  = 6. Trouble Shooting =
2012 2012  )))
2013 2013  

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