Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 101.1 >
edited by Bei Jinggeng
on 2022/10/08 09:59
To version < 105.1 >
edited by Edwin Chen
on 2022/11/14 18:02
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
1 +XWiki.Edwin
Content
... ... @@ -21,8 +21,10 @@
21 21  (((
22 22  
23 23  
24 +(((
24 24  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.
25 25  )))
27 +)))
26 26  
27 27  (((
28 28  The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
... ... @@ -214,7 +214,9 @@
214 214  = 2. Power ON Device =
215 215  
216 216  
219 +(((
217 217  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.
221 +)))
218 218  
219 219  (((
220 220  PWR will on when device is properly powered.
... ... @@ -273,12 +273,12 @@
273 273  
274 274  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
275 275  
276 -Add APP EUI in the application.
280 +**Add APP EUI in the application.**
277 277  
278 278  [[image:1653297955910-247.png||height="321" width="716"]]
279 279  
280 280  
281 -Add APP KEY and DEV EUI
285 +**Add APP KEY and DEV EUI**
282 282  
283 283  [[image:1653298023685-319.png]]
284 284  
... ... @@ -286,6 +286,8 @@
286 286  
287 287  (((
288 288  (% 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.
293 +
294 +
289 289  )))
290 290  
291 291  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -308,7 +308,9 @@
308 308  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
309 309  
310 310  
317 +(((
311 311  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
319 +)))
312 312  
313 313  [[image:image-20220523174024-3.png]]
314 314  
... ... @@ -360,11 +360,12 @@
360 360  ** DO1 LED is off in both case
361 361  
362 362  
363 -
364 364  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
365 365  
366 366  
374 +(((
367 367  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
376 +)))
368 368  
369 369  (((
370 370  Total : 11 bytes payload
... ... @@ -396,11 +396,15 @@
396 396  (% class="box infomessage" %)
397 397  (((
398 398  (((
408 +(((
399 399  **AT+MOD=2**
410 +)))
400 400  
412 +(((
401 401  **ATZ**
402 402  )))
403 403  )))
416 +)))
404 404  
405 405  (((
406 406  
... ... @@ -460,11 +460,15 @@
460 460  (% class="box infomessage" %)
461 461  (((
462 462  (((
476 +(((
463 463  **AT+MOD=3**
478 +)))
464 464  
480 +(((
465 465  **ATZ**
466 466  )))
467 467  )))
484 +)))
468 468  
469 469  (((
470 470  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -475,9 +475,13 @@
475 475  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
476 476  
477 477  
495 +(((
478 478  **LT22222-L**: This mode the DI1 is used as a counting pin.
497 +)))
479 479  
499 +(((
480 480  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
501 +)))
481 481  
482 482  [[image:image-20220523181903-8.png]]
483 483  
... ... @@ -505,14 +505,17 @@
505 505  (% class="box infomessage" %)
506 506  (((
507 507  (((
529 +(((
508 508  **AT+MOD=4**
531 +)))
509 509  
533 +(((
510 510  **ATZ**
511 511  )))
512 512  )))
537 +)))
513 513  
514 514  
515 -
516 516  (((
517 517  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
518 518  )))
... ... @@ -566,11 +566,15 @@
566 566  (% class="box infomessage" %)
567 567  (((
568 568  (((
593 +(((
569 569  **AT+MOD=5**
595 +)))
570 570  
597 +(((
571 571  **ATZ**
572 572  )))
573 573  )))
601 +)))
574 574  
575 575  (((
576 576  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -593,7 +593,6 @@
593 593  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
594 594  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.**
595 595  
596 -
597 597  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
598 598  
599 599  
... ... @@ -719,13 +719,12 @@
719 719  
720 720  
721 721  
722 -
723 723  === 3.3.7 Payload Decoder ===
724 724  
725 725  (((
726 726  
727 727  
728 -**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
754 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
729 729  )))
730 730  
731 731  
... ... @@ -733,21 +733,27 @@
733 733  == 3.4 ​Configure LT via AT or Downlink ==
734 734  
735 735  
762 +(((
736 736  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
764 +)))
737 737  
738 738  (((
767 +(((
739 739  There are two kinds of Commands:
740 740  )))
770 +)))
741 741  
742 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, 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]]
772 +* (% style="color:blue" %)**Common Commands**(%%): They should be available for each sensor, 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]]
743 743  
744 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
774 +* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
745 745  
746 746  
747 747  === 3.4.1 Common Commands ===
748 748  
749 749  
780 +(((
750 750  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]]
782 +)))
751 751  
752 752  
753 753  
... ... @@ -761,7 +761,7 @@
761 761  
762 762  * (% style="color:#037691" %)**AT Command:**
763 763  
764 -**AT+TDC=N **
796 +(% style="color:blue" %)**AT+TDC=N **
765 765  
766 766  
767 767  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -769,11 +769,10 @@
769 769  
770 770  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
771 771  
772 -**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
804 +(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
773 773  
774 774  
775 775  
776 -
777 777  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
778 778  
779 779  
... ... @@ -781,7 +781,7 @@
781 781  
782 782  * (% style="color:#037691" %)**AT Command:**
783 783  
784 -**AT+MOD=N  **
815 +(% style="color:blue" %)**AT+MOD=N  **
785 785  
786 786  
787 787  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -789,11 +789,10 @@
789 789  
790 790  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
791 791  
792 -**0x0A aa    ** ~/~/ Same as AT+MOD=aa
823 +(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
793 793  
794 794  
795 795  
796 -
797 797  ==== 3.4.2.3 Poll an uplink ====
798 798  
799 799  
... ... @@ -804,7 +804,7 @@
804 804  
805 805  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
806 806  
807 -**0x08 FF     **~/~/ Poll an uplink
837 +(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
808 808  
809 809  
810 810  **Example**: 0x08FF, ask device to send an Uplink
... ... @@ -811,7 +811,6 @@
811 811  
812 812  
813 813  
814 -
815 815  ==== 3.4.2.4 Enable Trigger Mode ====
816 816  
817 817  
... ... @@ -819,16 +819,16 @@
819 819  
820 820  * (% style="color:#037691" %)**AT Command:**
821 821  
822 -**AT+ADDMOD6=1 or 0**
851 +(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
823 823  
824 -1: Enable Trigger Mode
853 +(% style="color:red" %)**1:** (%%)Enable Trigger Mode
825 825  
826 -0: Disable Trigger Mode
855 +(% style="color:red" %)**0: **(%%)Disable Trigger Mode
827 827  
828 828  
829 829  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
830 830  
831 -**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
860 +(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
832 832  
833 833  
834 834  
... ... @@ -845,11 +845,10 @@
845 845  
846 846  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
847 847  
848 -**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
877 +(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
849 849  
850 850  
851 851  
852 -
853 853  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
854 854  
855 855  
... ... @@ -857,7 +857,7 @@
857 857  
858 858  * (% style="color:#037691" %)**AT Command:**
859 859  
860 -**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
888 +(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
861 861  
862 862  
863 863  **Example:**
... ... @@ -866,11 +866,10 @@
866 866  
867 867  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
868 868  
869 -**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
897 +(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
870 870  
871 871  
872 872  
873 -
874 874  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
875 875  
876 876  
... ... @@ -878,11 +878,11 @@
878 878  
879 879  * (% style="color:#037691" %)**AT Command:**
880 880  
881 -**AT+TRIG1=a,b**
908 +(% style="color:blue" %)**AT+TRIG1=a,b**
882 882  
883 -a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
910 +(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
884 884  
885 -b : delay timing.
912 +(% style="color:red" %)**b :** (%%)delay timing.
886 886  
887 887  
888 888  **Example:**
... ... @@ -891,9 +891,11 @@
891 891  
892 892  
893 893  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
894 -* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
895 895  
922 +(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
896 896  
924 +
925 +
897 897  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
898 898  
899 899  
... ... @@ -901,14 +901,13 @@
901 901  
902 902  * (% style="color:#037691" %)**AT Command:**
903 903  
904 -**AT+TRIG2=a,b**
933 +(% style="color:blue" %)**AT+TRIG2=a,b**
905 905  
935 +(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
906 906  
907 -a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
937 +(% style="color:red" %)**b :** (%%)delay timing.
908 908  
909 -b : delay timing.
910 910  
911 -
912 912  **Example:**
913 913  
914 914  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
... ... @@ -916,11 +916,10 @@
916 916  
917 917  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
918 918  
919 -**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
947 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
920 920  
921 921  
922 922  
923 -
924 924  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
925 925  
926 926  
... ... @@ -928,16 +928,15 @@
928 928  
929 929  * (% style="color:#037691" %)**AT Command**
930 930  
931 -**AT+ACLIM**
958 +(% style="color:blue" %)**AT+ACLIM**
932 932  
933 933  
934 934  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
935 935  
936 -**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
963 +(% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
937 937  
938 938  
939 939  
940 -
941 941  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
942 942  
943 943  
... ... @@ -945,16 +945,15 @@
945 945  
946 946  * (% style="color:#037691" %)**AT Command**
947 947  
948 -**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
974 +(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
949 949  
950 950  
951 951  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
952 952  
953 -**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
979 +(% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
954 954  
955 955  
956 956  
957 -
958 958  ==== 3.4.2.11 Trigger – Set minimum interval ====
959 959  
960 960  
... ... @@ -962,12 +962,12 @@
962 962  
963 963  * (% style="color:#037691" %)**AT Command**
964 964  
965 -**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
990 +(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
966 966  
967 967  
968 968  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
969 969  
970 -**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
995 +(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
971 971  
972 972  (((
973 973  
... ... @@ -977,7 +977,6 @@
977 977  
978 978  
979 979  
980 -
981 981  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
982 982  
983 983  
... ... @@ -987,7 +987,7 @@
987 987  
988 988  
989 989  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
990 -* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1014 +* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
991 991  
992 992  (((
993 993  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -1009,7 +1009,6 @@
1009 1009  
1010 1010  
1011 1011  
1012 -
1013 1013  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1014 1014  
1015 1015  
... ... @@ -1020,7 +1020,7 @@
1020 1020  
1021 1021  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1022 1022  
1023 -**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1046 +(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
1024 1024  
1025 1025  
1026 1026  This is to control the digital output time of DO pin. Include four bytes:
... ... @@ -1076,7 +1076,6 @@
1076 1076  
1077 1077  
1078 1078  
1079 -
1080 1080  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1081 1081  
1082 1082  
... ... @@ -1087,7 +1087,7 @@
1087 1087  
1088 1088  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1089 1089  
1090 -**0x03 aa bb     **~/~/ Set RO1/RO2 output
1112 +(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1091 1091  
1092 1092  
1093 1093  (((
... ... @@ -1117,7 +1117,7 @@
1117 1117  
1118 1118  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1119 1119  
1120 -**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1142 +(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1121 1121  
1122 1122  
1123 1123  This is to control the relay output time of relay. Include four bytes:
... ... @@ -1168,39 +1168,33 @@
1168 1168  
1169 1169  * (% style="color:#037691" %)**AT Command:**
1170 1170  
1171 -**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1193 +(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1172 1172  
1173 1173  
1174 1174  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1175 1175  
1176 -**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1198 +(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1177 1177  
1178 1178  
1179 1179  
1180 -
1181 1181  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1182 1182  
1183 1183  
1184 1184  * (% style="color:#037691" %)**AT Command:**
1185 1185  
1186 -**AT+SETCNT=aa,(bb cc dd ee) **
1207 +(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1187 1187  
1188 -aa: 1: Set count1,
1209 +(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1189 1189  
1190 -2: Set count2,
1211 +(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1191 1191  
1192 -3: Set AV1 count
1193 1193  
1194 -Bb cc dd ee: number to be set
1195 -
1196 -
1197 1197  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1198 1198  
1199 -**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1216 +(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1200 1200  
1201 1201  
1202 1202  
1203 -
1204 1204  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1205 1205  
1206 1206  
... ... @@ -1208,87 +1208,79 @@
1208 1208  
1209 1209  * (% style="color:#037691" %)**AT Command:**
1210 1210  
1211 -**AT+CLRCOUNT ** ~/~/ clear all counting
1227 +(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1212 1212  
1213 1213  
1214 1214  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1215 1215  
1216 -**0x A6 01    ** ~/~/ clear all counting
1232 +(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1217 1217  
1218 1218  
1219 1219  
1220 -
1221 1221  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1222 1222  
1223 1223  
1224 1224  * (% style="color:#037691" %)**AT Command:**
1225 1225  
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)
1241 +(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1227 1227  
1228 1228  
1229 1229  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1230 1230  
1231 -**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1246 +(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1232 1232  
1233 1233  (((
1234 1234  range: aa bb cc:0 to 16777215,  (unit:second)
1250 +)))
1235 1235  
1236 1236  
1237 1237  
1238 -
1239 -)))
1240 -
1241 1241  ==== 3.4.2.20 Reset save DR DO state ====
1242 1242  
1243 1243  
1244 1244  * (% style="color:#037691" %)**AT Command:**
1245 1245  
1246 -**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1259 +(% style="color:blue" %)**AT+RODORET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1247 1247  
1248 -**AT+RODORET=0  **~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1261 +(% style="color:blue" %)**AT+RODORET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1249 1249  
1250 1250  
1251 1251  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1252 1252  
1253 -**0x AD aa      **~/~/ same as AT+RODORET =aa
1266 +(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1254 1254  
1255 -(((
1256 -
1257 1257  
1258 1258  
1259 -
1260 1260  ==== 3.4.2.21 Encrypted payload ====
1261 1261  
1262 1262  
1263 1263  * (% style="color:#037691" %)**AT Command:**
1264 1264  
1265 -**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1275 +(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1266 1266  
1267 -**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1277 +(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
1268 1268  
1269 1269  
1270 1270  
1271 -
1272 1272  ==== 3.4.2.22 Get sensor value ====
1273 1273  
1274 1274  
1275 1275  * (% style="color:#037691" %)**AT Command:**
1276 1276  
1277 -**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1286 +(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
1278 1278  
1279 -**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1288 +(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
1280 1280  
1281 1281  
1282 1282  
1283 -
1284 1284  ==== 3.4.2.23 Resets the downlink packet count ====
1285 1285  
1286 1286  
1287 1287  * (% style="color:#037691" %)**AT Command:**
1288 1288  
1289 -**AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1297 +(% style="color:blue" %)**AT+DISFCNTCHECK=0   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1290 1290  
1291 -**AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1299 +(% style="color:blue" %)**AT+DISFCNTCHECK=1   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1292 1292  
1293 1293  
1294 1294  
... ... @@ -1298,14 +1298,14 @@
1298 1298  
1299 1299  * (% style="color:#037691" %)**AT Command:**
1300 1300  
1301 - **AT+DISMACANS=0**  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1309 +(% style="color:blue" %)**AT+DISMACANS=0**   (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1302 1302  
1303 - **AT+DISMACANS=1**      ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1311 +(% style="color:blue" %)**AT+DISMACANS=1**  (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1304 1304  
1305 1305  
1306 1306  * (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1307 1307  
1308 -**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1316 +(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1309 1309  
1310 1310  
1311 1311  
... ... @@ -1315,14 +1315,17 @@
1315 1315  
1316 1316  * (% style="color:#037691" %)**AT Command**(%%)**:**
1317 1317  
1318 - **AT+RPL=5**  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1326 +(% style="color:blue" %)**AT+RPL=5**   (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1319 1319  
1320 1320  Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1321 1321  
1330 +
1322 1322  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1323 1323  
1324 1324  For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1325 1325  
1335 +
1336 +
1326 1326  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1327 1327  
1328 1328  For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
... ... @@ -1335,7 +1335,7 @@
1335 1335  * (((
1336 1336  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
1337 1337  
1338 -**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1349 +(% style="color:blue" %)**26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1339 1339  
1340 1340  
1341 1341  )))
... ... @@ -1345,8 +1345,6 @@
1345 1345  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1346 1346  
1347 1347  
1348 -
1349 -)))
1350 1350  
1351 1351  == 3.5 Integrate with Mydevice ==
1352 1352  
... ... @@ -1535,8 +1535,10 @@
1535 1535  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1536 1536  
1537 1537  
1538 -NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1547 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1539 1539  
1549 +Note: DO pins go to float when device is power off.
1550 +
1540 1540  [[image:1653357531600-905.png]]
1541 1541  
1542 1542  
... ... @@ -1556,13 +1556,13 @@
1556 1556  We take the wind speed sensor as an example for reference only.
1557 1557  
1558 1558  
1559 -**Specifications of the wind speed sensor:**
1570 +(% style="color:blue" %)**Specifications of the wind speed sensor:**
1560 1560  
1561 -Red:  12~~24v
1572 +**Red:  12~~24v**
1562 1562  
1563 -Yellow:  4~~20mA
1574 +**Yellow:  4~~20mA**
1564 1564  
1565 -Black:  GND
1576 +**Black:  GND**
1566 1566  
1567 1567  
1568 1568  **Connection diagram:**
... ... @@ -1578,6 +1578,8 @@
1578 1578  
1579 1579  (((
1580 1580  The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
1592 +
1593 +**Note**: RO pins go to Open(NO) when device is power off.
1581 1581  )))
1582 1582  
1583 1583  [[image:image-20220524100215-9.png]]
... ... @@ -1600,8 +1600,14 @@
1600 1600  == 4.1 Access AT Command ==
1601 1601  
1602 1602  
1616 +(((
1603 1603  LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1618 +)))
1604 1604  
1620 +(((
1621 +
1622 +)))
1623 +
1605 1605  [[image:1653358238933-385.png]]
1606 1606  
1607 1607  
... ... @@ -1629,7 +1629,7 @@
1629 1629  )))
1630 1630  
1631 1631  (((
1632 -AT+<CMD>=?       : Get the value
1651 +AT+<CMD>=?       :  Get the value
1633 1633  )))
1634 1634  
1635 1635  (((
... ... @@ -1657,11 +1657,11 @@
1657 1657  )))
1658 1658  
1659 1659  (((
1660 -AT+APPSKEY: Get or Set the Application Session Key
1679 +AT+APPSKEY:  Get or Set the Application Session Key
1661 1661  )))
1662 1662  
1663 1663  (((
1664 -AT+APPEUI: Get or Set the Application EUI
1683 +AT+APPEUI:  Get or Set the Application EUI
1665 1665  )))
1666 1666  
1667 1667  (((
... ... @@ -1673,7 +1673,7 @@
1673 1673  )))
1674 1674  
1675 1675  (((
1676 -AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1695 +AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1677 1677  )))
1678 1678  
1679 1679  (((
... ... @@ -1709,7 +1709,7 @@
1709 1709  )))
1710 1710  
1711 1711  (((
1712 -AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1731 +AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1713 1713  )))
1714 1714  
1715 1715  (((
... ... @@ -1753,7 +1753,7 @@
1753 1753  )))
1754 1754  
1755 1755  (((
1756 -AT+VER: Get current image version and Frequency Band
1775 +AT+VER:  Get current image version and Frequency Band
1757 1757  )))
1758 1758  
1759 1759  (((
... ... @@ -1761,7 +1761,7 @@
1761 1761  )))
1762 1762  
1763 1763  (((
1764 -AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1783 +AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1765 1765  )))
1766 1766  
1767 1767  (((
... ... @@ -1810,40 +1810,42 @@
1810 1810  (((
1811 1811  
1812 1812  
1813 -**If device has not joined network yet:**
1832 +(((
1833 +(% style="color:blue" %)**If device has not joined network yet:**
1814 1814  )))
1835 +)))
1815 1815  
1816 1816  (((
1817 -(% style="background-color:#dcdcdc" %)123456
1838 +(% style="background-color:#dcdcdc" %)**123456**
1818 1818  )))
1819 1819  
1820 1820  (((
1821 -(% style="background-color:#dcdcdc" %)AT+FDR
1842 +(% style="background-color:#dcdcdc" %)**AT+FDR**
1822 1822  )))
1823 1823  
1824 1824  (((
1825 -(% style="background-color:#dcdcdc" %)123456
1846 +(% style="background-color:#dcdcdc" %)**123456**
1826 1826  )))
1827 1827  
1828 1828  (((
1829 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1850 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1830 1830  )))
1831 1831  
1832 1832  (((
1833 -(% style="background-color:#dcdcdc" %)ATZ
1854 +(% style="background-color:#dcdcdc" %)**ATZ**
1834 1834  )))
1835 1835  
1836 1836  
1837 1837  (((
1838 -**If device already joined network:**
1859 +(% style="color:blue" %)**If device already joined network:**
1839 1839  )))
1840 1840  
1841 1841  (((
1842 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1863 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1843 1843  )))
1844 1844  
1845 1845  (((
1846 -(% style="background-color:#dcdcdc" %)ATZ
1867 +(% style="background-color:#dcdcdc" %)**ATZ**
1847 1847  )))
1848 1848  
1849 1849  
... ... @@ -1853,55 +1853,57 @@
1853 1853  (((
1854 1854  
1855 1855  
1856 -(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1877 +(((
1878 +(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1857 1857  )))
1880 +)))
1858 1858  
1859 1859  (((
1860 -(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1883 +(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1861 1861  )))
1862 1862  
1863 1863  (((
1864 -(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1887 +(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1865 1865  )))
1866 1866  
1867 1867  (((
1868 -(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1891 +(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1869 1869  )))
1870 1870  
1871 1871  (((
1872 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1895 +(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1873 1873  )))
1874 1874  
1875 1875  (((
1876 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1899 +(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1877 1877  )))
1878 1878  
1879 1879  (((
1880 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1903 +(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1881 1881  )))
1882 1882  
1883 1883  (((
1884 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1907 +(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1885 1885  )))
1886 1886  
1887 1887  (((
1888 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1911 +(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1889 1889  )))
1890 1890  
1891 1891  (((
1892 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1915 +(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1893 1893  )))
1894 1894  
1895 1895  (((
1896 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1919 +(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1897 1897  )))
1898 1898  
1899 1899  (((
1900 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1923 +(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%) ~/~/ Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1901 1901  )))
1902 1902  
1903 1903  (((
1904 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1927 +(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1905 1905  
1906 1906  
1907 1907  )))
... ... @@ -1911,11 +1911,15 @@
1911 1911  )))
1912 1912  
1913 1913  (((
1914 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1915 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1916 -3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1917 -4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1937 +**~1. Make sure the device is set to ABP mode in the IoT Server.**
1918 1918  
1939 +**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1940 +
1941 +**3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
1942 +dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1943 +
1944 +**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5**
1945 +
1919 1919  
1920 1920  )))
1921 1921  
... ... @@ -1931,12 +1931,15 @@
1931 1931  === 4.2.3 Change to Class A ===
1932 1932  
1933 1933  
1934 -If sensor JOINED
1935 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1936 -ATZ
1961 +(((
1962 +(% style="color:blue" %)**If sensor JOINED:**
1937 1937  
1964 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1965 +ATZ**
1966 +)))
1938 1938  
1939 1939  
1969 +
1940 1940  = 5. FAQ =
1941 1941  
1942 1942  
... ... @@ -1960,8 +1960,10 @@
1960 1960  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1961 1961  
1962 1962  
1993 +(((
1963 1963  (% style="color:blue" %)**For LT-22222-L**(%%):
1964 1964  Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
1996 +)))
1965 1965  
1966 1966  
1967 1967  )))
... ... @@ -2012,7 +2012,6 @@
2012 2012  (((
2013 2013  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2014 2014  
2015 -
2016 2016  
2017 2017  )))
2018 2018  )))
... ... @@ -2042,16 +2042,15 @@
2042 2042  )))
2043 2043  
2044 2044  (((
2045 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
2046 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
2047 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
2048 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
2049 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
2050 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
2051 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
2052 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
2053 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
2054 -(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
2076 +(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2077 +(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2078 +(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2079 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2080 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2081 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2082 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2083 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2084 +(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2055 2055  )))
2056 2056  
2057 2057  
... ... @@ -2074,7 +2074,7 @@
2074 2074  == 5.5 Can i use point to point communication for LT-22222-L? ==
2075 2075  
2076 2076  
2077 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2107 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2078 2078  
2079 2079  
2080 2080  
... ... @@ -2093,15 +2093,23 @@
2093 2093  After restart, the status before power failure will be read from flash.
2094 2094  
2095 2095  
2126 +
2096 2096  == 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2097 2097  
2129 +
2098 2098  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2099 2099  
2132 +
2100 2100  [[image:image-20221006170630-1.png||height="610" width="945"]]
2101 2101  
2102 2102  
2136 +== 5.8 Can LT22222-L save RO state? ==
2103 2103  
2104 2104  
2139 +Firmware version needs to be no less than 1.6.0.
2140 +
2141 +
2142 +
2105 2105  = 6. Trouble Shooting =
2106 2106  
2107 2107  
... ... @@ -2193,7 +2193,6 @@
2193 2193  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]]
2194 2194  
2195 2195  
2196 -
2197 2197  
2198 2198  )))
2199 2199  
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