Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.90 >
edited by Xiaoling
on 2022/06/10 09:28
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"]]
... ... @@ -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  )))
... ... @@ -630,7 +630,7 @@
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  
633 -**AT Command to set Trigger Condition**:
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
634 634  
635 635  (% style="color:#4f81bd" %)**Trigger base on voltage**:
636 636  
... ... @@ -643,6 +643,7 @@
643 643  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
644 644  
645 645  
594 +
646 646  (% style="color:#4f81bd" %)**Trigger base on current**:
647 647  
648 648  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -652,6 +652,7 @@
652 652  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
653 653  
654 654  
604 +
655 655  (% style="color:#4f81bd" %)**Trigger base on DI status**:
656 656  
657 657  DI status trigger Flag.
... ... @@ -658,12 +658,13 @@
658 658  
659 659  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
660 660  
611 +
661 661  **Example:**
662 662  
663 663  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
664 664  
665 665  
666 -**Downlink Command to set Trigger Condition**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
667 667  
668 668  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
669 669  
... ... @@ -692,6 +692,7 @@
692 692  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
693 693  
694 694  
646 +
695 695  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
696 696  
697 697  MOD6 Payload : total 11 bytes payload
... ... @@ -755,7 +755,6 @@
755 755  )))
756 756  
757 757  
758 -
759 759  == 3.4 ​Configure LT via AT or Downlink ==
760 760  
761 761  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -769,6 +769,7 @@
769 769  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
770 770  
771 771  
723 +
772 772  === 3.4.1 Common Commands ===
773 773  
774 774  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]]
... ... @@ -781,7 +781,7 @@
781 781  
782 782  Set device uplink interval.
783 783  
784 -* AT Command:
736 +* (% style="color:#037691" %)**AT Command:**
785 785  
786 786  (% class="box infomessage" %)
787 787  (((
... ... @@ -791,7 +791,7 @@
791 791  **Example: **AT+TDC=30000. Means set interval to 30 seconds
792 792  
793 793  
794 -* Downlink Payload (prefix 0x01):
746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
795 795  
796 796  (% class="box infomessage" %)
797 797  (((
... ... @@ -804,7 +804,7 @@
804 804  
805 805  Set work mode.
806 806  
807 -* AT Command:
759 +* (% style="color:#037691" %)**AT Command:**
808 808  
809 809  (% class="box infomessage" %)
810 810  (((
... ... @@ -814,7 +814,7 @@
814 814  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
815 815  
816 816  
817 -* Downlink Payload (prefix 0x0A):
769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
818 818  
819 819  (% class="box infomessage" %)
820 820  (((
... ... @@ -825,12 +825,12 @@
825 825  
826 826  ==== 3.4.2.3 Poll an uplink ====
827 827  
828 -* AT Command:
780 +* (% style="color:#037691" %)AT Command:
829 829  
830 830  There is no AT Command to poll uplink
831 831  
832 832  
833 -* Downlink Payload (prefix 0x08):
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
834 834  
835 835  (% class="box infomessage" %)
836 836  (((
... ... @@ -845,7 +845,7 @@
845 845  
846 846  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
847 847  
848 -* AT Command:
800 +* (% style="color:#037691" %)AT Command:
849 849  
850 850  (% class="box infomessage" %)
851 851  (((
... ... @@ -857,7 +857,7 @@
857 857  0: Disable Trigger Mode
858 858  
859 859  
860 -* Downlink Payload (prefix 0x0A 06):
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
861 861  
862 862  (% class="box infomessage" %)
863 863  (((
... ... @@ -870,12 +870,12 @@
870 870  
871 871  Poll trigger settings,
872 872  
873 -* AT Command:
825 +* (% style="color:#037691" %)AT Command:
874 874  
875 875  There is no AT Command for this feature.
876 876  
877 877  
878 -* Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
879 879  
880 880  (% class="box infomessage" %)
881 881  (((
... ... @@ -888,7 +888,7 @@
888 888  
889 889  Enable Disable DI1/DI2/DI2 as trigger,
890 890  
891 -* AT Command:
843 +* (% style="color:#037691" %)AT Command:
892 892  
893 893  (% class="box infomessage" %)
894 894  (((
... ... @@ -900,7 +900,7 @@
900 900  
901 901  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
902 902  
903 -* Downlink Payload (prefix 0xAA 02):
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
904 904  
905 905  (% class="box infomessage" %)
906 906  (((
... ... @@ -913,7 +913,7 @@
913 913  
914 914  Set DI1 or DI3(for LT-33222-L) trigger.
915 915  
916 -* AT Command:
868 +* (% style="color:#037691" %)AT Command:
917 917  
918 918  (% class="box infomessage" %)
919 919  (((
... ... @@ -930,7 +930,7 @@
930 930  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
931 931  
932 932  
933 -* Downlink Payload (prefix 0x09 01 ):
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
934 934  
935 935  (% class="box infomessage" %)
936 936  (((
... ... @@ -943,7 +943,7 @@
943 943  
944 944  Set DI2 trigger.
945 945  
946 -* AT Command:
898 +* (% style="color:#037691" %)AT Command:
947 947  
948 948  (% class="box infomessage" %)
949 949  (((
... ... @@ -960,7 +960,7 @@
960 960  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
961 961  
962 962  
963 -* Downlink Payload (prefix 0x09 02 ):
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
964 964  
965 965  (% class="box infomessage" %)
966 966  (((
... ... @@ -973,7 +973,7 @@
973 973  
974 974  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
975 975  
976 -* AT Command:
928 +* (% style="color:#037691" %)AT Command:
977 977  
978 978  (% class="box infomessage" %)
979 979  (((
... ... @@ -981,7 +981,7 @@
981 981  )))
982 982  
983 983  
984 -* Downlink Payload (prefix 0xAA 01 ):
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
985 985  
986 986  (% class="box infomessage" %)
987 987  (((
... ... @@ -994,7 +994,7 @@
994 994  
995 995  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
996 996  
997 -* AT Command:
949 +* (% style="color:#037691" %)AT Command:
998 998  
999 999  (% class="box infomessage" %)
1000 1000  (((
... ... @@ -1002,7 +1002,7 @@
1002 1002  )))
1003 1003  
1004 1004  
1005 -* Downlink Payload (prefix 0xAA 00 ):
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
1006 1006  
1007 1007  (% class="box infomessage" %)
1008 1008  (((
... ... @@ -1015,7 +1015,7 @@
1015 1015  
1016 1016  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1017 1017  
1018 -* AT Command:
970 +* (% style="color:#037691" %)AT Command:
1019 1019  
1020 1020  (% class="box infomessage" %)
1021 1021  (((
... ... @@ -1023,7 +1023,7 @@
1023 1023  )))
1024 1024  
1025 1025  
1026 -* Downlink Payload (prefix 0xAC ):
978 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC ):**
1027 1027  
1028 1028  (% class="box infomessage" %)
1029 1029  (((
... ... @@ -1034,17 +1034,14 @@
1034 1034  
1035 1035  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1036 1036  
1037 -* AT Command:
989 +* (% style="color:#037691" %)**AT Command:**
1038 1038  
1039 1039  There is no AT Command to control Digital Output
1040 1040  
1041 1041  
1042 -* Downlink Payload (prefix 0x02):
994 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x02):**
995 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1043 1043  
1044 -(% class="box infomessage" %)
1045 -(((
1046 -**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
1047 -)))
1048 1048  
1049 1049  (((
1050 1050  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -1066,22 +1066,19 @@
1066 1066  
1067 1067  
1068 1068  
1018 +
1069 1069  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1070 1070  
1071 -* AT Command:
1021 +* (% style="color:#037691" %)**AT Command:**
1072 1072  
1073 1073  There is no AT Command to control Digital Output
1074 1074  
1075 1075  
1076 -* Downlink Payload (prefix 0xA9):
1026 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9):**
1077 1077  
1078 -(% class="box infomessage" %)
1079 -(((
1080 -(((
1081 -**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1082 -)))
1083 -)))
1028 +**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1084 1084  
1030 +
1085 1085  This is to control the digital output time of DO pin. Include four bytes:
1086 1086  
1087 1087  (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
... ... @@ -1135,20 +1135,19 @@
1135 1135  
1136 1136  
1137 1137  
1084 +
1138 1138  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1139 1139  
1140 -* AT Command:
1087 +* (% style="color:#037691" %)**AT Command:**
1141 1141  
1142 1142  There is no AT Command to control Relay Output
1143 1143  
1144 1144  
1145 -* Downlink Payload (prefix 0x03):
1092 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1146 1146  
1147 -(% class="box infomessage" %)
1148 -(((
1149 -**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1150 -)))
1094 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1151 1151  
1096 +
1152 1152  (((
1153 1153  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1154 1154  )))
... ... @@ -1165,20 +1165,19 @@
1165 1165  
1166 1166  
1167 1167  
1113 +
1168 1168  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1169 1169  
1170 -* AT Command:
1116 +* (% style="color:#037691" %)**AT Command:**
1171 1171  
1172 1172  There is no AT Command to control Relay Output
1173 1173  
1174 1174  
1175 -* Downlink Payload (prefix 0x05):
1121 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1176 1176  
1177 -(% class="box infomessage" %)
1178 -(((
1179 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1180 -)))
1123 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1181 1181  
1125 +
1182 1182  This is to control the relay output time of relay. Include four bytes:
1183 1183  
1184 1184  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
... ... @@ -1220,35 +1220,28 @@
1220 1220  
1221 1221  
1222 1222  
1167 +
1223 1223  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1224 1224  
1225 1225  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1226 1226  
1227 -* AT Command:
1172 +* (% style="color:#037691" %)**AT Command:**
1228 1228  
1229 -(% class="box infomessage" %)
1230 -(((
1231 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1232 -)))
1174 +(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1233 1233  
1234 1234  
1235 -* Downlink Payload (prefix 0xA5):
1177 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1236 1236  
1237 -(% class="box infomessage" %)
1238 -(((
1239 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1240 -)))
1179 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1241 1241  
1242 1242  
1243 1243  
1183 +
1244 1244  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1245 1245  
1246 -* AT Command:
1186 +* (% style="color:#037691" %)**AT Command:**
1247 1247  
1248 -(% class="box infomessage" %)
1249 -(((
1250 -**AT+SETCNT=aa,(bb cc dd ee) **
1251 -)))
1188 +(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1252 1252  
1253 1253  aa: 1: Set count1,
1254 1254  
... ... @@ -1259,51 +1259,40 @@
1259 1259  Bb cc dd ee: number to be set
1260 1260  
1261 1261  
1262 -* Downlink Payload (prefix 0xA8):
1199 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1263 1263  
1264 -(% class="box infomessage" %)
1265 -(((
1266 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1267 -)))
1201 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1268 1268  
1269 1269  
1270 1270  
1205 +
1271 1271  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1272 1272  
1273 1273  Clear counting for counting mode
1274 1274  
1275 -* AT Command:
1210 +* (% style="color:#037691" %)**AT Command:**
1276 1276  
1277 -(% class="box infomessage" %)
1278 -(((
1279 -**AT+CLRCOUNT ~/~/ clear all counting**
1280 -)))
1212 +(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1281 1281  
1282 -* Downlink Payload (prefix 0xA6):
1283 1283  
1284 -(% class="box infomessage" %)
1285 -(((
1286 -**0x A6 01     ~/~/ clear all counting,**
1287 -)))
1215 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1288 1288  
1217 +**0x A6 01    ** ~/~/ clear all counting
1289 1289  
1290 1290  
1220 +
1221 +
1291 1291  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1292 1292  
1293 -* AT Command:
1224 +* (% style="color:#037691" %)**AT Command:**
1294 1294  
1295 -(% class="box infomessage" %)
1296 -(((
1297 -**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1298 -)))
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)
1299 1299  
1300 -* Downlink Payload (prefix 0xA7):
1301 1301  
1302 -(% class="box infomessage" %)
1303 -(((
1304 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1305 -)))
1229 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1306 1306  
1231 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1232 +
1307 1307  (((
1308 1308  range: aa bb cc:0 to 16777215,  (unit:second)
1309 1309  
... ... @@ -1311,6 +1311,7 @@
1311 1311  )))
1312 1312  
1313 1313  
1240 +
1314 1314  == 3.5 Integrate with Mydevice ==
1315 1315  
1316 1316  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:
... ... @@ -2000,8 +2000,16 @@
2000 2000  )))
2001 2001  
2002 2002  (((
2003 -
1930 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2004 2004  
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 +
2005 2005  = 6. Trouble Shooting =
2006 2006  )))
2007 2007  

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