Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.83 >
edited by Xiaoling
on 2022/06/10 09:26
To version < 82.11 >
edited by Xiaoling
on 2022/06/20 11:43
>
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"]]
... ... @@ -275,6 +275,8 @@
275 275  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
276 276  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
277 277  
291 +
292 +
278 278  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
279 279  
280 280  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -282,6 +282,8 @@
282 282  [[image:image-20220523174024-3.png]]
283 283  
284 284  (((
300 +
301 +
285 285  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
286 286  )))
287 287  
... ... @@ -295,6 +295,7 @@
295 295  
296 296  For example if payload is: [[image:image-20220523175847-2.png]]
297 297  
315 +
298 298  **The value for the interface is:  **
299 299  
300 300  AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
... ... @@ -325,8 +325,11 @@
325 325  ** DO1 is high in case there is load between DO1 and V+.
326 326  ** DO1 LED is off in both case
327 327  
346 +
347 +
328 328  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
329 329  
350 +
330 330  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
331 331  
332 332  (((
... ... @@ -335,6 +335,7 @@
335 335  
336 336  [[image:image-20220523180452-3.png]]
337 337  
359 +
338 338  (((
339 339  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
340 340  )))
... ... @@ -350,6 +350,8 @@
350 350  )))
351 351  
352 352  (((
375 +
376 +
353 353  **To use counting mode, please run:**
354 354  )))
355 355  
... ... @@ -357,17 +357,14 @@
357 357  (((
358 358  (((
359 359  **AT+MOD=2**
360 -)))
361 -)))
362 362  
363 -(% class="box infomessage" %)
364 -(((
365 -(((
366 366  **ATZ**
367 367  )))
368 368  )))
369 369  
370 370  (((
390 +
391 +
371 371  (% style="color:#4f81bd" %)**AT Commands for counting:**
372 372  )))
373 373  
... ... @@ -379,40 +379,15 @@
379 379  (((
380 380  (((
381 381  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
382 -)))
383 -)))
384 384  
385 -(% class="box infomessage" %)
386 -(((
387 -(((
388 388  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
389 -)))
390 -)))
391 391  
392 -(% class="box infomessage" %)
393 -(((
394 -(((
395 395  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
396 -)))
397 -)))
398 398  
399 -(% class="box infomessage" %)
400 -(((
401 -(((
402 402  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
403 -)))
404 -)))
405 405  
406 -(% class="box infomessage" %)
407 -(((
408 -(((
409 409  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
410 -)))
411 -)))
412 412  
413 -(% class="box infomessage" %)
414 -(((
415 -(((
416 416  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
417 417  )))
418 418  )))
... ... @@ -447,12 +447,7 @@
447 447  (((
448 448  (((
449 449  **AT+MOD=3**
450 -)))
451 -)))
452 452  
453 -(% class="box infomessage" %)
454 -(((
455 -(((
456 456  **ATZ**
457 457  )))
458 458  )))
... ... @@ -459,8 +459,6 @@
459 459  
460 460  (((
461 461  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
462 -
463 -
464 464  )))
465 465  
466 466  
... ... @@ -499,20 +499,13 @@
499 499  (((
500 500  (((
501 501  **AT+MOD=4**
502 -)))
503 -)))
504 504  
505 -(% class="box infomessage" %)
506 -(((
507 -(((
508 508  **ATZ**
509 509  )))
510 510  )))
511 511  
512 -(((
513 -
514 -)))
515 515  
497 +
516 516  (((
517 517  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
518 518  )))
... ... @@ -526,33 +526,17 @@
526 526  (% class="box infomessage" %)
527 527  (((
528 528  (((
529 -**AT+SETCNT=3,60   (set AVI Count to 60)**
530 -)))
531 -)))
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
532 532  
533 -(% class="box infomessage" %)
534 -(((
535 -(((
536 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
537 -)))
538 -)))
513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
539 539  
540 -(% class="box infomessage" %)
541 -(((
542 -(((
543 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
544 -)))
545 -)))
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
546 546  
547 -(% class="box infomessage" %)
548 -(((
549 -(((
550 -**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)**
551 551  )))
552 552  )))
553 553  
554 554  
555 -
556 556  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
557 557  
558 558  
... ... @@ -586,12 +586,7 @@
586 586  (((
587 587  (((
588 588  **AT+MOD=5**
589 -)))
590 -)))
591 591  
592 -(% class="box infomessage" %)
593 -(((
594 -(((
595 595  **ATZ**
596 596  )))
597 597  )))
... ... @@ -612,15 +612,13 @@
612 612  * **AT+MOD=1 ** **~-~->** The normal working mode
613 613  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
614 614  
615 -
616 616  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
617 617  
618 618  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
619 619  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.**
620 620  
581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
621 621  
622 -**AT Command to set Trigger Condition**:
623 -
624 624  (% style="color:#4f81bd" %)**Trigger base on voltage**:
625 625  
626 626  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -632,6 +632,7 @@
632 632  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
633 633  
634 634  
594 +
635 635  (% style="color:#4f81bd" %)**Trigger base on current**:
636 636  
637 637  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -641,6 +641,7 @@
641 641  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
642 642  
643 643  
604 +
644 644  (% style="color:#4f81bd" %)**Trigger base on DI status**:
645 645  
646 646  DI status trigger Flag.
... ... @@ -647,12 +647,13 @@
647 647  
648 648  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
649 649  
611 +
650 650  **Example:**
651 651  
652 652  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
653 653  
654 654  
655 -**Downlink Command to set Trigger Condition**
617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
656 656  
657 657  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
658 658  
... ... @@ -681,6 +681,7 @@
681 681  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
682 682  
683 683  
646 +
684 684  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
685 685  
686 686  MOD6 Payload : total 11 bytes payload
... ... @@ -694,7 +694,6 @@
694 694  
695 695  * Each bits shows if the corresponding trigger has been configured.
696 696  
697 -
698 698  **Example:**
699 699  
700 700  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -706,7 +706,6 @@
706 706  
707 707  * Each bits shows which status has been trigger on this uplink.
708 708  
709 -
710 710  **Example:**
711 711  
712 712  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -718,7 +718,6 @@
718 718  
719 719  * Each bits shows which status has been trigger on this uplink.
720 720  
721 -
722 722  **Example:**
723 723  
724 724  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -739,6 +739,8 @@
739 739  === 3.3.7 Payload Decoder ===
740 740  
741 741  (((
702 +
703 +
742 742  **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
743 743  
744 744  
... ... @@ -745,7 +745,6 @@
745 745  )))
746 746  
747 747  
748 -
749 749  == 3.4 ​Configure LT via AT or Downlink ==
750 750  
751 751  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -772,7 +772,7 @@
772 772  
773 773  Set device uplink interval.
774 774  
775 -* AT Command:
736 +* (% style="color:#037691" %)**AT Command:**
776 776  
777 777  (% class="box infomessage" %)
778 778  (((
... ... @@ -782,7 +782,7 @@
782 782  **Example: **AT+TDC=30000. Means set interval to 30 seconds
783 783  
784 784  
785 -* Downlink Payload (prefix 0x01):
746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
786 786  
787 787  (% class="box infomessage" %)
788 788  (((
... ... @@ -795,7 +795,7 @@
795 795  
796 796  Set work mode.
797 797  
798 -* AT Command:
759 +* (% style="color:#037691" %)**AT Command:**
799 799  
800 800  (% class="box infomessage" %)
801 801  (((
... ... @@ -805,7 +805,7 @@
805 805  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
806 806  
807 807  
808 -* Downlink Payload (prefix 0x0A):
769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
809 809  
810 810  (% class="box infomessage" %)
811 811  (((
... ... @@ -816,12 +816,12 @@
816 816  
817 817  ==== 3.4.2.3 Poll an uplink ====
818 818  
819 -* AT Command:
780 +* (% style="color:#037691" %)AT Command:
820 820  
821 821  There is no AT Command to poll uplink
822 822  
823 823  
824 -* Downlink Payload (prefix 0x08):
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
825 825  
826 826  (% class="box infomessage" %)
827 827  (((
... ... @@ -836,7 +836,7 @@
836 836  
837 837  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
838 838  
839 -* AT Command:
800 +* (% style="color:#037691" %)AT Command:
840 840  
841 841  (% class="box infomessage" %)
842 842  (((
... ... @@ -848,7 +848,7 @@
848 848  0: Disable Trigger Mode
849 849  
850 850  
851 -* Downlink Payload (prefix 0x0A 06):
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
852 852  
853 853  (% class="box infomessage" %)
854 854  (((
... ... @@ -861,12 +861,12 @@
861 861  
862 862  Poll trigger settings,
863 863  
864 -* AT Command:
825 +* (% style="color:#037691" %)AT Command:
865 865  
866 866  There is no AT Command for this feature.
867 867  
868 868  
869 -* Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
870 870  
871 871  (% class="box infomessage" %)
872 872  (((
... ... @@ -879,7 +879,7 @@
879 879  
880 880  Enable Disable DI1/DI2/DI2 as trigger,
881 881  
882 -* AT Command:
843 +* (% style="color:#037691" %)AT Command:
883 883  
884 884  (% class="box infomessage" %)
885 885  (((
... ... @@ -891,7 +891,7 @@
891 891  
892 892  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
893 893  
894 -* Downlink Payload (prefix 0xAA 02):
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
895 895  
896 896  (% class="box infomessage" %)
897 897  (((
... ... @@ -904,7 +904,7 @@
904 904  
905 905  Set DI1 or DI3(for LT-33222-L) trigger.
906 906  
907 -* AT Command:
868 +* (% style="color:#037691" %)AT Command:
908 908  
909 909  (% class="box infomessage" %)
910 910  (((
... ... @@ -921,7 +921,7 @@
921 921  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
922 922  
923 923  
924 -* Downlink Payload (prefix 0x09 01 ):
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
925 925  
926 926  (% class="box infomessage" %)
927 927  (((
... ... @@ -934,7 +934,7 @@
934 934  
935 935  Set DI2 trigger.
936 936  
937 -* AT Command:
898 +* (% style="color:#037691" %)AT Command:
938 938  
939 939  (% class="box infomessage" %)
940 940  (((
... ... @@ -951,7 +951,7 @@
951 951  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
952 952  
953 953  
954 -* Downlink Payload (prefix 0x09 02 ):
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
955 955  
956 956  (% class="box infomessage" %)
957 957  (((
... ... @@ -964,7 +964,7 @@
964 964  
965 965  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
966 966  
967 -* AT Command:
928 +* (% style="color:#037691" %)AT Command:
968 968  
969 969  (% class="box infomessage" %)
970 970  (((
... ... @@ -972,7 +972,7 @@
972 972  )))
973 973  
974 974  
975 -* Downlink Payload (prefix 0xAA 01 ):
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
976 976  
977 977  (% class="box infomessage" %)
978 978  (((
... ... @@ -985,7 +985,7 @@
985 985  
986 986  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
987 987  
988 -* AT Command:
949 +* (% style="color:#037691" %)AT Command:
989 989  
990 990  (% class="box infomessage" %)
991 991  (((
... ... @@ -993,7 +993,7 @@
993 993  )))
994 994  
995 995  
996 -* Downlink Payload (prefix 0xAA 00 ):
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
997 997  
998 998  (% class="box infomessage" %)
999 999  (((
... ... @@ -1006,7 +1006,7 @@
1006 1006  
1007 1007  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1008 1008  
1009 -* AT Command:
970 +* (% style="color:#037691" %)AT Command:
1010 1010  
1011 1011  (% class="box infomessage" %)
1012 1012  (((
... ... @@ -1014,7 +1014,7 @@
1014 1014  )))
1015 1015  
1016 1016  
1017 -* Downlink Payload (prefix 0xAC ):
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
1018 1018  
1019 1019  (% class="box infomessage" %)
1020 1020  (((
... ... @@ -1025,12 +1025,12 @@
1025 1025  
1026 1026  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1027 1027  
1028 -* AT Command:
989 +* (% style="color:#037691" %)AT Command:
1029 1029  
1030 1030  There is no AT Command to control Digital Output
1031 1031  
1032 1032  
1033 -* Downlink Payload (prefix 0x02):
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
1034 1034  
1035 1035  (% class="box infomessage" %)
1036 1036  (((
... ... @@ -1059,12 +1059,12 @@
1059 1059  
1060 1060  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1061 1061  
1062 -* AT Command:
1023 +* (% style="color:#037691" %)AT Command:
1063 1063  
1064 1064  There is no AT Command to control Digital Output
1065 1065  
1066 1066  
1067 -* Downlink Payload (prefix 0xA9):
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1068 1068  
1069 1069  (% class="box infomessage" %)
1070 1070  (((
... ... @@ -1128,12 +1128,12 @@
1128 1128  
1129 1129  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1130 1130  
1131 -* AT Command:
1092 +* (% style="color:#037691" %)AT Command:
1132 1132  
1133 1133  There is no AT Command to control Relay Output
1134 1134  
1135 1135  
1136 -* Downlink Payload (prefix 0x03):
1097 +* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1137 1137  
1138 1138  (% class="box infomessage" %)
1139 1139  (((
... ... @@ -1158,12 +1158,12 @@
1158 1158  
1159 1159  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1160 1160  
1161 -* AT Command:
1122 +* (% style="color:#037691" %)AT Command:
1162 1162  
1163 1163  There is no AT Command to control Relay Output
1164 1164  
1165 1165  
1166 -* Downlink Payload (prefix 0x05):
1127 +* (% style="color:#037691" %)Downlink Payload (prefix 0x05):
1167 1167  
1168 1168  (% class="box infomessage" %)
1169 1169  (((
... ... @@ -1215,7 +1215,7 @@
1215 1215  
1216 1216  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1217 1217  
1218 -* AT Command:
1179 +* (% style="color:#037691" %)AT Command:
1219 1219  
1220 1220  (% class="box infomessage" %)
1221 1221  (((
... ... @@ -1223,7 +1223,7 @@
1223 1223  )))
1224 1224  
1225 1225  
1226 -* Downlink Payload (prefix 0xA5):
1187 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA5):
1227 1227  
1228 1228  (% class="box infomessage" %)
1229 1229  (((
... ... @@ -1234,7 +1234,7 @@
1234 1234  
1235 1235  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1236 1236  
1237 -* AT Command:
1198 +* (% style="color:#037691" %)AT Command:
1238 1238  
1239 1239  (% class="box infomessage" %)
1240 1240  (((
... ... @@ -1250,7 +1250,7 @@
1250 1250  Bb cc dd ee: number to be set
1251 1251  
1252 1252  
1253 -* Downlink Payload (prefix 0xA8):
1214 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA8):
1254 1254  
1255 1255  (% class="box infomessage" %)
1256 1256  (((
... ... @@ -1263,7 +1263,7 @@
1263 1263  
1264 1264  Clear counting for counting mode
1265 1265  
1266 -* AT Command:
1227 +* (% style="color:#037691" %)AT Command:
1267 1267  
1268 1268  (% class="box infomessage" %)
1269 1269  (((
... ... @@ -1270,7 +1270,7 @@
1270 1270  **AT+CLRCOUNT ~/~/ clear all counting**
1271 1271  )))
1272 1272  
1273 -* Downlink Payload (prefix 0xA6):
1234 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA6):
1274 1274  
1275 1275  (% class="box infomessage" %)
1276 1276  (((
... ... @@ -1281,20 +1281,15 @@
1281 1281  
1282 1282  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1283 1283  
1284 -* AT Command:
1245 +* (% style="color:#037691" %)**AT Command:**
1285 1285  
1286 -(% class="box infomessage" %)
1287 -(((
1288 -**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1289 -)))
1247 +**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1290 1290  
1291 -* Downlink Payload (prefix 0xA7):
1292 1292  
1293 -(% class="box infomessage" %)
1294 -(((
1295 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1296 -)))
1250 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1297 1297  
1252 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1253 +
1298 1298  (((
1299 1299  range: aa bb cc:0 to 16777215,  (unit:second)
1300 1300  
... ... @@ -1991,8 +1991,16 @@
1991 1991  )))
1992 1992  
1993 1993  (((
1994 -
1950 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1995 1995  
1952 +If the device is not shut down, but directly powered off.
1953 +
1954 +It will default that this is a power-off state.
1955 +
1956 +In modes 2 to 5, DO RO status and pulse count are saved in flash.
1957 +
1958 +After restart, the status before power failure will be read from flash.
1959 +
1996 1996  = 6. Trouble Shooting =
1997 1997  )))
1998 1998  

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