Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 83.9 >
edited by Xiaoling
on 2022/06/29 17:29
To version < 82.14 >
edited by Xiaoling
on 2022/06/20 11:47
>
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Summary

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Content
... ... @@ -1,6 +1,7 @@
1 1  (% style="text-align:center" %)
2 2  [[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3 3  
4 +**LT-22222-L LoRa IO Controller User Manual **
4 4  
5 5  
6 6  **Table of Contents:**
... ... @@ -166,6 +166,7 @@
166 166  Packet engine up to 256 bytes with CRC.
167 167  
168 168  
170 +
169 169  
170 170  )))
171 171  
... ... @@ -179,6 +179,8 @@
179 179  * Firmware upgradable via program port
180 180  * Counting
181 181  
184 +
185 +
182 182  == 1.4  Applications ==
183 183  
184 184  * Smart Buildings & Home Automation
... ... @@ -188,6 +188,8 @@
188 188  * Smart Cities
189 189  * Smart Factory
190 190  
195 +
196 +
191 191  == 1.5 Hardware Variants ==
192 192  
193 193  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -201,6 +201,7 @@
201 201  * 1 x Counting Port
202 202  )))
203 203  
210 +
204 204  = 2. Power ON Device =
205 205  
206 206  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.
... ... @@ -218,11 +218,11 @@
218 218  == 3.1 How it works? ==
219 219  
220 220  (((
221 -The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 
228 +The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 
222 222  )))
223 223  
224 224  (((
225 -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.
232 +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.
226 226  )))
227 227  
228 228  
... ... @@ -274,12 +274,12 @@
274 274  
275 275  There are five working modes + one interrupt mode on LT for different type application:
276 276  
277 -* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
278 -* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
279 -* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
280 -* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
281 -* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
282 -* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
284 +* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
285 +* **MOD2**: Double DI Counting + DO + RO
286 +* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
287 +* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
288 +* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
289 +* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
283 283  
284 284  
285 285  
... ... @@ -321,8 +321,6 @@
321 321  * [1] RO1 relay channel is close and the RO1 LED is ON.
322 322  * [0] RO2 relay channel is open and RO2 LED is OFF;
323 323  
324 -
325 -
326 326  **LT22222-L:**
327 327  
328 328  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -389,20 +389,24 @@
389 389  
390 390  (((
391 391  **For LT22222-L:**
397 +)))
392 392  
399 +(% class="box infomessage" %)
400 +(((
401 +(((
402 +**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
393 393  
394 -(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
404 +**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
395 395  
396 -(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
406 +**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
397 397  
398 -(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
408 +**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
399 399  
400 -(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
410 +**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
401 401  
402 -(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
403 -
404 -(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
412 +**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
405 405  )))
414 +)))
406 406  
407 407  
408 408  
... ... @@ -413,8 +413,6 @@
413 413  [[image:image-20220523181246-5.png]]
414 414  
415 415  (((
416 -
417 -
418 418  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
419 419  )))
420 420  
... ... @@ -428,7 +428,6 @@
428 428  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
429 429  )))
430 430  
431 -
432 432  (((
433 433  **To use counting mode, please run:**
434 434  )))
... ... @@ -497,19 +497,22 @@
497 497  
498 498  
499 499  **Plus below command for AVI1 Counting:**
506 +)))
500 500  
508 +(% class="box infomessage" %)
509 +(((
510 +(((
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
501 501  
502 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
503 503  
504 -(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
505 505  
506 -(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
507 -
508 -(% style="color:blue" %)**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)**
509 509  )))
519 +)))
510 510  
511 511  
512 -
513 513  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
514 514  
515 515  
... ... @@ -561,8 +561,8 @@
561 561  
562 562  For example, if user has configured below commands:
563 563  
564 -* **AT+MOD=1 ** **~-~->**  The normal working mode
565 -* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
573 +* **AT+MOD=1 ** **~-~->** The normal working mode
574 +* **AT+ADDMOD6=1**   **~-~->** Enable trigger
566 566  
567 567  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
568 568  
... ... @@ -569,10 +569,8 @@
569 569  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
570 570  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.**
571 571  
572 -
573 573  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
574 574  
575 -
576 576  (% style="color:#4f81bd" %)**Trigger base on voltage**:
577 577  
578 578  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -712,6 +712,8 @@
712 712  
713 713  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
714 714  
722 +
723 +
715 715  === 3.4.1 Common Commands ===
716 716  
717 717  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]]
... ... @@ -726,19 +726,23 @@
726 726  
727 727  * (% style="color:#037691" %)**AT Command:**
728 728  
738 +(% class="box infomessage" %)
739 +(((
729 729  **AT+TDC=N **
741 +)))
730 730  
731 -
732 732  **Example: **AT+TDC=30000. Means set interval to 30 seconds
733 733  
734 734  
735 735  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
736 736  
748 +(% class="box infomessage" %)
749 +(((
737 737  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
751 +)))
738 738  
739 739  
740 740  
741 -
742 742  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
743 743  
744 744  Set work mode.
... ... @@ -745,29 +745,36 @@
745 745  
746 746  * (% style="color:#037691" %)**AT Command:**
747 747  
761 +(% class="box infomessage" %)
762 +(((
748 748  **AT+MOD=N  **
764 +)))
749 749  
750 -
751 751  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
752 752  
753 753  
754 754  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
755 755  
756 -**0x0A aa    ** ~/~/ Same as AT+MOD=aa
771 +(% class="box infomessage" %)
772 +(((
773 +**0x0A aa     ~/~/ Same as AT+MOD=aa**
774 +)))
757 757  
758 758  
759 759  
760 -
761 761  ==== 3.4.2.3 Poll an uplink ====
762 762  
763 -* (% style="color:#037691" %)**AT Command:**
780 +* (% style="color:#037691" %)AT Command:
764 764  
765 765  There is no AT Command to poll uplink
766 766  
767 767  
768 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
769 769  
770 -**0x08 FF     **~/~/ Poll an uplink
787 +(% class="box infomessage" %)
788 +(((
789 +**0x08 FF     ~/~/ Poll an uplink,**
790 +)))
771 771  
772 772  **Example**: 0x08FF, ask device to send an Uplink
773 773  
... ... @@ -777,9 +777,12 @@
777 777  
778 778  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
779 779  
780 -* (% style="color:#037691" %)**AT Command:**
800 +* (% style="color:#037691" %)AT Command:
781 781  
802 +(% class="box infomessage" %)
803 +(((
782 782  **AT+ADDMOD6=1 or 0**
805 +)))
783 783  
784 784  1: Enable Trigger Mode
785 785  
... ... @@ -786,36 +786,43 @@
786 786  0: Disable Trigger Mode
787 787  
788 788  
789 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
790 790  
791 -**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
814 +(% class="box infomessage" %)
815 +(((
816 +**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
817 +)))
792 792  
793 793  
794 794  
795 -
796 796  ==== 3.4.2.5 Poll trigger settings ====
797 797  
798 798  Poll trigger settings,
799 799  
800 -* (% style="color:#037691" %)**AT Command:**
825 +* (% style="color:#037691" %)AT Command:
801 801  
802 802  There is no AT Command for this feature.
803 803  
804 804  
805 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
806 806  
807 -**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
832 +(% class="box infomessage" %)
833 +(((
834 +**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
835 +)))
808 808  
809 809  
810 810  
811 -
812 812  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
813 813  
814 814  Enable Disable DI1/DI2/DI2 as trigger,
815 815  
816 -* (% style="color:#037691" %)**AT Command:**
843 +* (% style="color:#037691" %)AT Command:
817 817  
845 +(% class="box infomessage" %)
846 +(((
818 818  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
848 +)))
819 819  
820 820  
821 821  **Example:**
... ... @@ -822,20 +822,25 @@
822 822  
823 823  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
824 824  
825 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
826 826  
827 -**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
857 +(% class="box infomessage" %)
858 +(((
859 +**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
860 +)))
828 828  
829 829  
830 830  
831 -
832 832  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
833 833  
834 834  Set DI1 or DI3(for LT-33222-L) trigger.
835 835  
836 -* (% style="color:#037691" %)**AT Command:**
868 +* (% style="color:#037691" %)AT Command:
837 837  
870 +(% class="box infomessage" %)
871 +(((
838 838  **AT+TRIG1=a,b**
873 +)))
839 839  
840 840  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
841 841  
... ... @@ -847,18 +847,26 @@
847 847  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
848 848  
849 849  
850 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
851 -* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
852 852  
887 +(% class="box infomessage" %)
888 +(((
889 +**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
890 +)))
891 +
892 +
893 +
853 853  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
854 854  
855 855  Set DI2 trigger.
856 856  
857 -* (% style="color:#037691" %)**AT Command:**
898 +* (% style="color:#037691" %)AT Command:
858 858  
900 +(% class="box infomessage" %)
901 +(((
859 859  **AT+TRIG2=a,b**
903 +)))
860 860  
861 -
862 862  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
863 863  
864 864  b : delay timing.
... ... @@ -869,62 +869,74 @@
869 869  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
870 870  
871 871  
872 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
873 873  
874 -**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
917 +(% class="box infomessage" %)
918 +(((
919 +**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
920 +)))
875 875  
876 876  
877 877  
878 -
879 879  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
880 880  
881 881  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
882 882  
883 -* (% style="color:#037691" %)**AT Command**
928 +* (% style="color:#037691" %)AT Command:
884 884  
885 -**AT+ACLIM**
930 +(% class="box infomessage" %)
931 +(((
932 +**AT+ACLIM. **
933 +)))
886 886  
887 887  
888 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
889 889  
890 -**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
938 +(% class="box infomessage" %)
939 +(((
940 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
941 +)))
891 891  
892 892  
893 893  
894 -
895 895  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
896 896  
897 897  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
898 898  
899 -* (% style="color:#037691" %)**AT Command**
949 +* (% style="color:#037691" %)AT Command:
900 900  
901 -**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
951 +(% class="box infomessage" %)
952 +(((
953 +**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
954 +)))
902 902  
903 903  
904 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
905 905  
906 -**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
959 +(% class="box infomessage" %)
960 +(((
961 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
962 +)))
907 907  
908 908  
909 909  
910 -
911 911  ==== 3.4.2.11 Trigger – Set minimum interval ====
912 912  
913 -Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
968 +Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
914 914  
915 -* (% style="color:#037691" %)**AT Command**
970 +* (% style="color:#037691" %)AT Command:
916 916  
917 -**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
972 +(% class="box infomessage" %)
973 +(((
974 +**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
975 +)))
918 918  
919 919  
920 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
921 921  
922 -**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
923 -
980 +(% class="box infomessage" %)
924 924  (((
925 -
926 -
927 -(% style="color:red" %)Note: ATDC setting must be more than 5min
982 +**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
928 928  )))
929 929  
930 930  
... ... @@ -931,15 +931,19 @@
931 931  
932 932  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
933 933  
934 -* (% style="color:#037691" %)**AT Command**
989 +* (% style="color:#037691" %)AT Command:
935 935  
936 936  There is no AT Command to control Digital Output
937 937  
938 938  
939 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
940 -* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
941 941  
996 +(% class="box infomessage" %)
942 942  (((
998 +**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
999 +)))
1000 +
1001 +(((
943 943  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
944 944  )))
945 945  
... ... @@ -959,19 +959,22 @@
959 959  
960 960  
961 961  
962 -
963 963  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
964 964  
965 -* (% style="color:#037691" %)**AT Command**
1023 +* (% style="color:#037691" %)AT Command:
966 966  
967 967  There is no AT Command to control Digital Output
968 968  
969 969  
970 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
971 971  
972 -**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1030 +(% class="box infomessage" %)
1031 +(((
1032 +(((
1033 +**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1034 +)))
1035 +)))
973 973  
974 -
975 975  This is to control the digital output time of DO pin. Include four bytes:
976 976  
977 977  (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
... ... @@ -1025,19 +1025,20 @@
1025 1025  
1026 1026  
1027 1027  
1028 -
1029 1029  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1030 1030  
1031 -* (% style="color:#037691" %)**AT Command:**
1092 +* (% style="color:#037691" %)AT Command:
1032 1032  
1033 1033  There is no AT Command to control Relay Output
1034 1034  
1035 1035  
1036 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1097 +* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1037 1037  
1038 -**0x03 aa bb     **~/~/ Set RO1/RO2 output
1099 +(% class="box infomessage" %)
1100 +(((
1101 +**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1102 +)))
1039 1039  
1040 -
1041 1041  (((
1042 1042  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1043 1043  )))
... ... @@ -1054,10 +1054,9 @@
1054 1054  
1055 1055  
1056 1056  
1057 -
1058 1058  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1059 1059  
1060 -* (% style="color:#037691" %)**AT Command:**
1122 +* (% style="color:#037691" %)AT Command:
1061 1061  
1062 1062  There is no AT Command to control Relay Output
1063 1063  
... ... @@ -1115,7 +1115,7 @@
1115 1115  
1116 1116  * (% style="color:#037691" %)**AT Command:**
1117 1117  
1118 -**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1180 +(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1119 1119  
1120 1120  
1121 1121  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
... ... @@ -1129,7 +1129,7 @@
1129 1129  
1130 1130  * (% style="color:#037691" %)**AT Command:**
1131 1131  
1132 -**AT+SETCNT=aa,(bb cc dd ee) **
1194 +(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1133 1133  
1134 1134  aa: 1: Set count1,
1135 1135  
... ... @@ -1153,7 +1153,7 @@
1153 1153  
1154 1154  * (% style="color:#037691" %)**AT Command:**
1155 1155  
1156 -**AT+CLRCOUNT ** ~/~/ clear all counting
1218 +(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1157 1157  
1158 1158  
1159 1159  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1411,7 +1411,6 @@
1411 1411  [[image:image-20220524100748-11.png]]
1412 1412  
1413 1413  
1414 -
1415 1415  = 4. Use AT Command =
1416 1416  
1417 1417  == 4.1 Access AT Command ==
... ... @@ -1614,6 +1614,8 @@
1614 1614  
1615 1615  (((
1616 1616  AT+CFG: Print all settings
1678 +
1679 +
1617 1617  )))
1618 1618  
1619 1619  
... ... @@ -1659,6 +1659,8 @@
1659 1659  
1660 1660  (((
1661 1661  (% style="background-color:#dcdcdc" %)ATZ
1725 +
1726 +
1662 1662  )))
1663 1663  
1664 1664  
... ... @@ -1865,8 +1865,6 @@
1865 1865  == 5.5 Can i use point to point communication for LT-22222-L? ==
1866 1866  
1867 1867  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1868 -
1869 -
1870 1870  )))
1871 1871  
1872 1872  (((
... ... @@ -1880,7 +1880,6 @@
1880 1880  
1881 1881  After restart, the status before power failure will be read from flash.
1882 1882  
1883 -
1884 1884  = 6. Trouble Shooting =
1885 1885  )))
1886 1886  
... ... @@ -1915,8 +1915,10 @@
1915 1915  )))
1916 1916  
1917 1917  
1980 +
1918 1918  = 7. Order Info =
1919 1919  
1983 +
1920 1920  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1921 1921  
1922 1922  
... ... @@ -1956,10 +1956,6 @@
1956 1956  )))
1957 1957  * (((
1958 1958  Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1959 -
1960 -
1961 -
1962 -
1963 1963  )))
1964 1964  
1965 1965  = 10. Reference​​​​​ =

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