Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 105.2 >
edited by Xiaoling
on 2022/11/16 16:12
To version < 99.1 >
edited by Edwin Chen
on 2022/10/06 17:06
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -21,10 +21,8 @@
21 21  (((
22 22  
23 23  
24 -(((
25 25  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.
26 26  )))
27 -)))
28 28  
29 29  (((
30 30  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.
... ... @@ -64,7 +64,7 @@
64 64  )))
65 65  
66 66  * (((
67 -STM32L072xxxx MCU
65 +STM32L072CZT6 MCU
68 68  )))
69 69  * (((
70 70  SX1276/78 Wireless Chip 
... ... @@ -219,9 +219,7 @@
219 219  = 2. Power ON Device =
220 220  
221 221  
222 -(((
223 223  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.
224 -)))
225 225  
226 226  (((
227 227  PWR will on when device is properly powered.
... ... @@ -280,12 +280,12 @@
280 280  
281 281  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
282 282  
283 -**Add APP EUI in the application.**
279 +Add APP EUI in the application.
284 284  
285 285  [[image:1653297955910-247.png||height="321" width="716"]]
286 286  
287 287  
288 -**Add APP KEY and DEV EUI**
284 +Add APP KEY and DEV EUI
289 289  
290 290  [[image:1653298023685-319.png]]
291 291  
... ... @@ -293,8 +293,6 @@
293 293  
294 294  (((
295 295  (% 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.
296 -
297 -
298 298  )))
299 299  
300 300  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -318,9 +318,7 @@
318 318  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
319 319  
320 320  
321 -(((
322 322  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
323 -)))
324 324  
325 325  [[image:image-20220523174024-3.png]]
326 326  
... ... @@ -336,6 +336,7 @@
336 336  * DI is for digital input. DIx=1: high or float, DIx=0: low.
337 337  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
338 338  
331 +
339 339  (% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
340 340  
341 341  For example if payload is: [[image:image-20220523175847-2.png]]
... ... @@ -356,6 +356,7 @@
356 356  * [1] RO1 relay channel is close and the RO1 LED is ON.
357 357  * [0] RO2 relay channel is open and RO2 LED is OFF;
358 358  
352 +
359 359  **LT22222-L:**
360 360  
361 361  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -373,12 +373,11 @@
373 373  
374 374  
375 375  
370 +
376 376  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
377 377  
378 378  
379 -(((
380 380  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
381 -)))
382 382  
383 383  (((
384 384  Total : 11 bytes payload
... ... @@ -410,15 +410,11 @@
410 410  (% class="box infomessage" %)
411 411  (((
412 412  (((
413 -(((
414 414  **AT+MOD=2**
415 -)))
416 416  
417 -(((
418 418  **ATZ**
419 419  )))
420 420  )))
421 -)))
422 422  
423 423  (((
424 424  
... ... @@ -478,15 +478,11 @@
478 478  (% class="box infomessage" %)
479 479  (((
480 480  (((
481 -(((
482 482  **AT+MOD=3**
483 -)))
484 484  
485 -(((
486 486  **ATZ**
487 487  )))
488 488  )))
489 -)))
490 490  
491 491  (((
492 492  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -497,13 +497,9 @@
497 497  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
498 498  
499 499  
500 -(((
501 501  **LT22222-L**: This mode the DI1 is used as a counting pin.
502 -)))
503 503  
504 -(((
505 505  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.
506 -)))
507 507  
508 508  [[image:image-20220523181903-8.png]]
509 509  
... ... @@ -531,17 +531,14 @@
531 531  (% class="box infomessage" %)
532 532  (((
533 533  (((
534 -(((
535 535  **AT+MOD=4**
536 -)))
537 537  
538 -(((
539 539  **ATZ**
540 540  )))
541 541  )))
542 -)))
543 543  
544 544  
522 +
545 545  (((
546 546  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
547 547  )))
... ... @@ -595,15 +595,11 @@
595 595  (% class="box infomessage" %)
596 596  (((
597 597  (((
598 -(((
599 599  **AT+MOD=5**
600 -)))
601 601  
602 -(((
603 603  **ATZ**
604 604  )))
605 605  )))
606 -)))
607 607  
608 608  (((
609 609  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -621,11 +621,14 @@
621 621  * **AT+MOD=1 ** **~-~->**  The normal working mode
622 622  * **AT+ADDMOD6=1**   **~-~->**  Enable trigger
623 623  
598 +
624 624  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
625 625  
626 626  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
627 627  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.**
628 628  
604 +
605 +
629 629  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
630 630  
631 631  
... ... @@ -709,6 +709,7 @@
709 709  
710 710  * Each bits shows if the corresponding trigger has been configured.
711 711  
689 +
712 712  **Example:**
713 713  
714 714  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -721,6 +721,7 @@
721 721  
722 722  * Each bits shows which status has been trigger on this uplink.
723 723  
702 +
724 724  **Example:**
725 725  
726 726  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -733,6 +733,7 @@
733 733  
734 734  * Each bits shows which status has been trigger on this uplink.
735 735  
715 +
736 736  **Example:**
737 737  
738 738  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -751,12 +751,13 @@
751 751  
752 752  
753 753  
734 +
754 754  === 3.3.7 Payload Decoder ===
755 755  
756 756  (((
757 757  
758 758  
759 -**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
740 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
760 760  )))
761 761  
762 762  
... ... @@ -764,19 +764,15 @@
764 764  == 3.4 ​Configure LT via AT or Downlink ==
765 765  
766 766  
767 -(((
768 768  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
769 -)))
770 770  
771 771  (((
772 -(((
773 773  There are two kinds of Commands:
774 774  )))
775 -)))
776 776  
777 -* (% 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]]
754 +* (% 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]]
778 778  
779 -* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
756 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
780 780  
781 781  
782 782  
... ... @@ -783,9 +783,7 @@
783 783  === 3.4.1 Common Commands ===
784 784  
785 785  
786 -(((
787 787  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]]
788 -)))
789 789  
790 790  
791 791  
... ... @@ -799,7 +799,7 @@
799 799  
800 800  * (% style="color:#037691" %)**AT Command:**
801 801  
802 -(% style="color:blue" %)**AT+TDC=N **
777 +**AT+TDC=N **
803 803  
804 804  
805 805  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -807,10 +807,11 @@
807 807  
808 808  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
809 809  
810 -(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
785 +**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
811 811  
812 812  
813 813  
789 +
814 814  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
815 815  
816 816  
... ... @@ -818,7 +818,7 @@
818 818  
819 819  * (% style="color:#037691" %)**AT Command:**
820 820  
821 -(% style="color:blue" %)**AT+MOD=N  **
797 +**AT+MOD=N  **
822 822  
823 823  
824 824  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -826,10 +826,11 @@
826 826  
827 827  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
828 828  
829 -(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
805 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
830 830  
831 831  
832 832  
809 +
833 833  ==== 3.4.2.3 Poll an uplink ====
834 834  
835 835  
... ... @@ -840,7 +840,7 @@
840 840  
841 841  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
842 842  
843 -(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
820 +**0x08 FF     **~/~/ Poll an uplink
844 844  
845 845  
846 846  **Example**: 0x08FF, ask device to send an Uplink
... ... @@ -847,6 +847,7 @@
847 847  
848 848  
849 849  
827 +
850 850  ==== 3.4.2.4 Enable Trigger Mode ====
851 851  
852 852  
... ... @@ -854,16 +854,16 @@
854 854  
855 855  * (% style="color:#037691" %)**AT Command:**
856 856  
857 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
835 +**AT+ADDMOD6=1 or 0**
858 858  
859 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
837 +1: Enable Trigger Mode
860 860  
861 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
839 +0: Disable Trigger Mode
862 862  
863 863  
864 864  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
865 865  
866 -(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
844 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
867 867  
868 868  
869 869  
... ... @@ -880,10 +880,11 @@
880 880  
881 881  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
882 882  
883 -(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
861 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
884 884  
885 885  
886 886  
865 +
887 887  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
888 888  
889 889  
... ... @@ -891,7 +891,7 @@
891 891  
892 892  * (% style="color:#037691" %)**AT Command:**
893 893  
894 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
873 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
895 895  
896 896  
897 897  **Example:**
... ... @@ -900,10 +900,11 @@
900 900  
901 901  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
902 902  
903 -(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
882 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
904 904  
905 905  
906 906  
886 +
907 907  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
908 908  
909 909  
... ... @@ -911,11 +911,11 @@
911 911  
912 912  * (% style="color:#037691" %)**AT Command:**
913 913  
914 -(% style="color:blue" %)**AT+TRIG1=a,b**
894 +**AT+TRIG1=a,b**
915 915  
916 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
896 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
917 917  
918 -(% style="color:red" %)**b :** (%%)delay timing.
898 +b : delay timing.
919 919  
920 920  
921 921  **Example:**
... ... @@ -924,11 +924,10 @@
924 924  
925 925  
926 926  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
907 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
927 927  
928 -(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
929 929  
930 930  
931 -
932 932  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
933 933  
934 934  
... ... @@ -936,13 +936,14 @@
936 936  
937 937  * (% style="color:#037691" %)**AT Command:**
938 938  
939 -(% style="color:blue" %)**AT+TRIG2=a,b**
918 +**AT+TRIG2=a,b**
940 940  
941 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
942 942  
943 -(% style="color:red" %)**b :** (%%)delay timing.
921 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
944 944  
923 +b : delay timing.
945 945  
925 +
946 946  **Example:**
947 947  
948 948  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
... ... @@ -950,10 +950,11 @@
950 950  
951 951  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
952 952  
953 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
933 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
954 954  
955 955  
956 956  
937 +
957 957  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
958 958  
959 959  
... ... @@ -961,15 +961,16 @@
961 961  
962 962  * (% style="color:#037691" %)**AT Command**
963 963  
964 -(% style="color:blue" %)**AT+ACLIM**
945 +**AT+ACLIM**
965 965  
966 966  
967 967  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
968 968  
969 -(% 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"]]
950 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
970 970  
971 971  
972 972  
954 +
973 973  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
974 974  
975 975  
... ... @@ -977,15 +977,16 @@
977 977  
978 978  * (% style="color:#037691" %)**AT Command**
979 979  
980 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
962 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
981 981  
982 982  
983 983  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
984 984  
985 -(% 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"]]
967 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
986 986  
987 987  
988 988  
971 +
989 989  ==== 3.4.2.11 Trigger – Set minimum interval ====
990 990  
991 991  
... ... @@ -993,12 +993,12 @@
993 993  
994 994  * (% style="color:#037691" %)**AT Command**
995 995  
996 -(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
979 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
997 997  
998 998  
999 999  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1000 1000  
1001 -(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
984 +**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1002 1002  
1003 1003  (((
1004 1004  
... ... @@ -1008,6 +1008,7 @@
1008 1008  
1009 1009  
1010 1010  
994 +
1011 1011  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1012 1012  
1013 1013  
... ... @@ -1017,7 +1017,7 @@
1017 1017  
1018 1018  
1019 1019  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1020 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1004 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1021 1021  
1022 1022  (((
1023 1023  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -1039,6 +1039,7 @@
1039 1039  
1040 1040  
1041 1041  
1026 +
1042 1042  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1043 1043  
1044 1044  
... ... @@ -1049,7 +1049,7 @@
1049 1049  
1050 1050  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1051 1051  
1052 -(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
1037 +**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1053 1053  
1054 1054  
1055 1055  This is to control the digital output time of DO pin. Include four bytes:
... ... @@ -1105,6 +1105,7 @@
1105 1105  
1106 1106  
1107 1107  
1093 +
1108 1108  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1109 1109  
1110 1110  
... ... @@ -1115,7 +1115,7 @@
1115 1115  
1116 1116  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1117 1117  
1118 -(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1104 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1119 1119  
1120 1120  
1121 1121  (((
... ... @@ -1145,7 +1145,7 @@
1145 1145  
1146 1146  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1147 1147  
1148 -(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1134 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1149 1149  
1150 1150  
1151 1151  This is to control the relay output time of relay. Include four bytes:
... ... @@ -1161,7 +1161,7 @@
1161 1161  
1162 1162  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1163 1163  
1164 -[[image:image-20221008095908-1.png||height="364" width="564"]]
1150 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1165 1165  
1166 1166  
1167 1167  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1196,33 +1196,39 @@
1196 1196  
1197 1197  * (% style="color:#037691" %)**AT Command:**
1198 1198  
1199 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1185 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1200 1200  
1201 1201  
1202 1202  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1203 1203  
1204 -(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1190 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1205 1205  
1206 1206  
1207 1207  
1194 +
1208 1208  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1209 1209  
1210 1210  
1211 1211  * (% style="color:#037691" %)**AT Command:**
1212 1212  
1213 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1200 +**AT+SETCNT=aa,(bb cc dd ee) **
1214 1214  
1215 -(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1202 +aa: 1: Set count1,
1216 1216  
1217 -(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1204 +2: Set count2,
1218 1218  
1206 +3: Set AV1 count
1219 1219  
1208 +Bb cc dd ee: number to be set
1209 +
1210 +
1220 1220  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1221 1221  
1222 -(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1213 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1223 1223  
1224 1224  
1225 1225  
1217 +
1226 1226  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1227 1227  
1228 1228  
... ... @@ -1230,79 +1230,87 @@
1230 1230  
1231 1231  * (% style="color:#037691" %)**AT Command:**
1232 1232  
1233 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1225 +**AT+CLRCOUNT ** ~/~/ clear all counting
1234 1234  
1235 1235  
1236 1236  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1237 1237  
1238 -(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1230 +**0x A6 01    ** ~/~/ clear all counting
1239 1239  
1240 1240  
1241 1241  
1234 +
1242 1242  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1243 1243  
1244 1244  
1245 1245  * (% style="color:#037691" %)**AT Command:**
1246 1246  
1247 -(% 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)
1240 +**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1248 1248  
1249 1249  
1250 1250  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1251 1251  
1252 -(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1245 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1253 1253  
1254 1254  (((
1255 1255  range: aa bb cc:0 to 16777215,  (unit:second)
1256 -)))
1257 1257  
1258 1258  
1259 1259  
1252 +
1253 +)))
1254 +
1260 1260  ==== 3.4.2.20 Reset save DR DO state ====
1261 1261  
1262 1262  
1263 1263  * (% style="color:#037691" %)**AT Command:**
1264 1264  
1265 -(% style="color:blue" %)**AT+RODORET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1260 +**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1266 1266  
1267 -(% 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.
1262 +**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.
1268 1268  
1269 1269  
1270 1270  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1271 1271  
1272 -(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1267 +**0x AD aa      **~/~/ same as AT+RODORET =aa
1273 1273  
1269 +(((
1270 +
1274 1274  
1275 1275  
1273 +
1276 1276  ==== 3.4.2.21 Encrypted payload ====
1277 1277  
1278 1278  
1279 1279  * (% style="color:#037691" %)**AT Command:**
1280 1280  
1281 -(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1279 +**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1282 1282  
1283 -(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
1281 +**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1284 1284  
1285 1285  
1286 1286  
1285 +
1287 1287  ==== 3.4.2.22 Get sensor value ====
1288 1288  
1289 1289  
1290 1290  * (% style="color:#037691" %)**AT Command:**
1291 1291  
1292 -(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
1291 +**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1293 1293  
1294 -(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
1293 +**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1295 1295  
1296 1296  
1297 1297  
1297 +
1298 1298  ==== 3.4.2.23 Resets the downlink packet count ====
1299 1299  
1300 1300  
1301 1301  * (% style="color:#037691" %)**AT Command:**
1302 1302  
1303 -(% 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)
1303 +**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)
1304 1304  
1305 -(% 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.
1305 +**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.
1306 1306  
1307 1307  
1308 1308  
... ... @@ -1312,14 +1312,14 @@
1312 1312  
1313 1313  * (% style="color:#037691" %)**AT Command:**
1314 1314  
1315 -(% 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)
1315 + **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)
1316 1316  
1317 -(% 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.
1317 + **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.
1318 1318  
1319 1319  
1320 1320  * (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1321 1321  
1322 -(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1322 +**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1323 1323  
1324 1324  
1325 1325  
... ... @@ -1329,17 +1329,14 @@
1329 1329  
1330 1330  * (% style="color:#037691" %)**AT Command**(%%)**:**
1331 1331  
1332 -(% 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.
1332 + **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.
1333 1333  
1334 1334  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.
1335 1335  
1336 -
1337 1337  [[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"]]
1338 1338  
1339 1339  For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1340 1340  
1341 -
1342 -
1343 1343  [[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"]]
1344 1344  
1345 1345  For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
... ... @@ -1352,7 +1352,7 @@
1352 1352  * (((
1353 1353  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
1354 1354  
1355 -(% style="color:blue" %)**26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1352 +**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1356 1356  
1357 1357  
1358 1358  )))
... ... @@ -1362,6 +1362,8 @@
1362 1362  [[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"]]
1363 1363  
1364 1364  
1362 +
1363 +)))
1365 1365  
1366 1366  == 3.5 Integrate with Mydevice ==
1367 1367  
... ... @@ -1550,10 +1550,8 @@
1550 1550  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1551 1551  
1552 1552  
1553 -**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1552 +NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1554 1554  
1555 -Note: DO pins go to float when device is power off.
1556 -
1557 1557  [[image:1653357531600-905.png]]
1558 1558  
1559 1559  
... ... @@ -1573,13 +1573,13 @@
1573 1573  We take the wind speed sensor as an example for reference only.
1574 1574  
1575 1575  
1576 -(% style="color:blue" %)**Specifications of the wind speed sensor:**
1573 +**Specifications of the wind speed sensor:**
1577 1577  
1578 -**Red:  12~~24v**
1575 +Red:  12~~24v
1579 1579  
1580 -**Yellow:  4~~20mA**
1577 +Yellow:  4~~20mA
1581 1581  
1582 -**Black:  GND**
1579 +Black:  GND
1583 1583  
1584 1584  
1585 1585  **Connection diagram:**
... ... @@ -1594,9 +1594,7 @@
1594 1594  
1595 1595  
1596 1596  (((
1597 -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:
1598 -
1599 -**Note**: RO pins go to Open(NO) when device is power off.
1594 +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:
1600 1600  )))
1601 1601  
1602 1602  [[image:image-20220524100215-9.png]]
... ... @@ -1619,14 +1619,8 @@
1619 1619  == 4.1 Access AT Command ==
1620 1620  
1621 1621  
1622 -(((
1623 1623  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.
1624 -)))
1625 1625  
1626 -(((
1627 -
1628 -)))
1629 -
1630 1630  [[image:1653358238933-385.png]]
1631 1631  
1632 1632  
... ... @@ -1654,7 +1654,7 @@
1654 1654  )))
1655 1655  
1656 1656  (((
1657 -AT+<CMD>=?       :  Get the value
1646 +AT+<CMD>=?       : Get the value
1658 1658  )))
1659 1659  
1660 1660  (((
... ... @@ -1682,11 +1682,11 @@
1682 1682  )))
1683 1683  
1684 1684  (((
1685 -AT+APPSKEY:  Get or Set the Application Session Key
1674 +AT+APPSKEY: Get or Set the Application Session Key
1686 1686  )))
1687 1687  
1688 1688  (((
1689 -AT+APPEUI:  Get or Set the Application EUI
1678 +AT+APPEUI: Get or Set the Application EUI
1690 1690  )))
1691 1691  
1692 1692  (((
... ... @@ -1698,7 +1698,7 @@
1698 1698  )))
1699 1699  
1700 1700  (((
1701 -AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1690 +AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1702 1702  )))
1703 1703  
1704 1704  (((
... ... @@ -1734,7 +1734,7 @@
1734 1734  )))
1735 1735  
1736 1736  (((
1737 -AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1726 +AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1738 1738  )))
1739 1739  
1740 1740  (((
... ... @@ -1778,7 +1778,7 @@
1778 1778  )))
1779 1779  
1780 1780  (((
1781 -AT+VER:  Get current image version and Frequency Band
1770 +AT+VER: Get current image version and Frequency Band
1782 1782  )))
1783 1783  
1784 1784  (((
... ... @@ -1786,7 +1786,7 @@
1786 1786  )))
1787 1787  
1788 1788  (((
1789 -AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1778 +AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1790 1790  )))
1791 1791  
1792 1792  (((
... ... @@ -1835,42 +1835,40 @@
1835 1835  (((
1836 1836  
1837 1837  
1838 -(((
1839 -(% style="color:blue" %)**If device has not joined network yet:**
1827 +**If device has not joined network yet:**
1840 1840  )))
1841 -)))
1842 1842  
1843 1843  (((
1844 -(% style="background-color:#dcdcdc" %)**123456**
1831 +(% style="background-color:#dcdcdc" %)123456
1845 1845  )))
1846 1846  
1847 1847  (((
1848 -(% style="background-color:#dcdcdc" %)**AT+FDR**
1835 +(% style="background-color:#dcdcdc" %)AT+FDR
1849 1849  )))
1850 1850  
1851 1851  (((
1852 -(% style="background-color:#dcdcdc" %)**123456**
1839 +(% style="background-color:#dcdcdc" %)123456
1853 1853  )))
1854 1854  
1855 1855  (((
1856 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1843 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1857 1857  )))
1858 1858  
1859 1859  (((
1860 -(% style="background-color:#dcdcdc" %)**ATZ**
1847 +(% style="background-color:#dcdcdc" %)ATZ
1861 1861  )))
1862 1862  
1863 1863  
1864 1864  (((
1865 -(% style="color:blue" %)**If device already joined network:**
1852 +**If device already joined network:**
1866 1866  )))
1867 1867  
1868 1868  (((
1869 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1856 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1870 1870  )))
1871 1871  
1872 1872  (((
1873 -(% style="background-color:#dcdcdc" %)**ATZ**
1860 +(% style="background-color:#dcdcdc" %)ATZ
1874 1874  )))
1875 1875  
1876 1876  
... ... @@ -1880,57 +1880,55 @@
1880 1880  (((
1881 1881  
1882 1882  
1883 -(((
1884 -(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1870 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1885 1885  )))
1886 -)))
1887 1887  
1888 1888  (((
1889 -(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1874 +(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1890 1890  )))
1891 1891  
1892 1892  (((
1893 -(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1878 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1894 1894  )))
1895 1895  
1896 1896  (((
1897 -(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1882 +(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1898 1898  )))
1899 1899  
1900 1900  (((
1901 -(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1886 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1902 1902  )))
1903 1903  
1904 1904  (((
1905 -(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1890 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1906 1906  )))
1907 1907  
1908 1908  (((
1909 -(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1894 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1910 1910  )))
1911 1911  
1912 1912  (((
1913 -(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1898 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1914 1914  )))
1915 1915  
1916 1916  (((
1917 -(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1902 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1918 1918  )))
1919 1919  
1920 1920  (((
1921 -(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1906 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1922 1922  )))
1923 1923  
1924 1924  (((
1925 -(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1910 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1926 1926  )))
1927 1927  
1928 1928  (((
1929 -(% 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.
1914 +(% 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.
1930 1930  )))
1931 1931  
1932 1932  (((
1933 -(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1918 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1934 1934  
1935 1935  
1936 1936  )))
... ... @@ -1940,15 +1940,11 @@
1940 1940  )))
1941 1941  
1942 1942  (((
1943 -**~1. Make sure the device is set to ABP mode in the IoT Server.**
1928 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1929 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1930 +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.
1931 +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
1944 1944  
1945 -**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1946 -
1947 -**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?
1948 -dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1949 -
1950 -**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**
1951 -
1952 1952  
1953 1953  )))
1954 1954  
... ... @@ -1964,15 +1964,12 @@
1964 1964  === 4.2.3 Change to Class A ===
1965 1965  
1966 1966  
1967 -(((
1968 -(% style="color:blue" %)**If sensor JOINED:**
1948 +If sensor JOINED
1949 +(% style="background-color:#dcdcdc" %)AT+CLASS=A
1950 +ATZ
1969 1969  
1970 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1971 -ATZ**
1972 -)))
1973 1973  
1974 1974  
1975 -
1976 1976  = 5. FAQ =
1977 1977  
1978 1978  
... ... @@ -1996,10 +1996,8 @@
1996 1996  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1997 1997  
1998 1998  
1999 -(((
2000 2000  (% style="color:blue" %)**For LT-22222-L**(%%):
2001 2001  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.
2002 -)))
2003 2003  
2004 2004  
2005 2005  )))
... ... @@ -2050,6 +2050,7 @@
2050 2050  (((
2051 2051  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2052 2052  
2029 +
2053 2053  
2054 2054  )))
2055 2055  )))
... ... @@ -2079,15 +2079,16 @@
2079 2079  )))
2080 2080  
2081 2081  (((
2082 -(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2083 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2084 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2085 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2086 -(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2087 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2088 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2089 -(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2090 -(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2059 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
2060 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
2061 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
2062 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
2063 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
2064 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
2065 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
2066 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
2067 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
2068 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
2091 2091  )))
2092 2092  
2093 2093  
... ... @@ -2110,7 +2110,7 @@
2110 2110  == 5.5 Can i use point to point communication for LT-22222-L? ==
2111 2111  
2112 2112  
2113 -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]].
2091 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2114 2114  
2115 2115  
2116 2116  
... ... @@ -2129,23 +2129,15 @@
2129 2129  After restart, the status before power failure will be read from flash.
2130 2130  
2131 2131  
2132 -
2133 2133  == 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2134 2134  
2135 -
2136 2136  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2137 2137  
2138 -
2139 2139  [[image:image-20221006170630-1.png||height="610" width="945"]]
2140 2140  
2141 2141  
2142 -== 5.8 Can LT22222-L save RO state? ==
2143 2143  
2144 2144  
2145 -Firmware version needs to be no less than 1.6.0.
2146 -
2147 -
2148 -
2149 2149  = 6. Trouble Shooting =
2150 2150  
2151 2151  
... ... @@ -2239,6 +2239,7 @@
2239 2239  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]]
2240 2240  
2241 2241  
2212 +
2242 2242  
2243 2243  )))
2244 2244  
... ... @@ -2248,3 +2248,4 @@
2248 2248  * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2249 2249  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2250 2250  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2222 +
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