Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 110.1 >
edited by Bei Jinggeng
on 2022/12/22 09:19
To version < 101.2 >
edited by Xiaoling
on 2022/10/13 16:38
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
1 +XWiki.Xiaoling
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 
... ... @@ -187,6 +187,7 @@
187 187  * Counting
188 188  
189 189  
188 +
190 190  == 1.4  Applications ==
191 191  
192 192  
... ... @@ -198,6 +198,7 @@
198 198  * Smart Factory
199 199  
200 200  
200 +
201 201  == 1.5 Hardware Variants ==
202 202  
203 203  
... ... @@ -213,12 +213,11 @@
213 213  )))
214 214  
215 215  
216 +
216 216  = 2. Power ON Device =
217 217  
218 218  
219 -(((
220 220  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 -)))
222 222  
223 223  (((
224 224  PWR will on when device is properly powered.
... ... @@ -229,8 +229,10 @@
229 229  [[image:1653297104069-180.png]]
230 230  
231 231  
231 +
232 232  = 3. Operation Mode =
233 233  
234 +
234 234  == 3.1 How it works? ==
235 235  
236 236  
... ... @@ -243,6 +243,7 @@
243 243  )))
244 244  
245 245  
247 +
246 246  == 3.2 Example to join LoRaWAN network ==
247 247  
248 248  
... ... @@ -274,12 +274,12 @@
274 274  
275 275  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
276 276  
277 -**Add APP EUI in the application.**
279 +Add APP EUI in the application.
278 278  
279 279  [[image:1653297955910-247.png||height="321" width="716"]]
280 280  
281 281  
282 -**Add APP KEY and DEV EUI**
284 +Add APP KEY and DEV EUI
283 283  
284 284  [[image:1653298023685-319.png]]
285 285  
... ... @@ -287,8 +287,6 @@
287 287  
288 288  (((
289 289  (% 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.
290 -
291 -
292 292  )))
293 293  
294 294  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -308,12 +308,11 @@
308 308  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
309 309  
310 310  
311 +
311 311  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
312 312  
313 313  
314 -(((
315 315  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
316 -)))
317 317  
318 318  [[image:image-20220523174024-3.png]]
319 319  
... ... @@ -349,6 +349,8 @@
349 349  * [1] RO1 relay channel is close and the RO1 LED is ON.
350 350  * [0] RO2 relay channel is open and RO2 LED is OFF;
351 351  
351 +
352 +
352 352  **LT22222-L:**
353 353  
354 354  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -368,9 +368,7 @@
368 368  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
369 369  
370 370  
371 -(((
372 372  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
373 -)))
374 374  
375 375  (((
376 376  Total : 11 bytes payload
... ... @@ -402,15 +402,11 @@
402 402  (% class="box infomessage" %)
403 403  (((
404 404  (((
405 -(((
406 406  **AT+MOD=2**
407 -)))
408 408  
409 -(((
410 410  **ATZ**
411 411  )))
412 412  )))
413 -)))
414 414  
415 415  (((
416 416  
... ... @@ -438,6 +438,7 @@
438 438  )))
439 439  
440 440  
436 +
441 441  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
442 442  
443 443  
... ... @@ -469,15 +469,11 @@
469 469  (% class="box infomessage" %)
470 470  (((
471 471  (((
472 -(((
473 473  **AT+MOD=3**
474 -)))
475 475  
476 -(((
477 477  **ATZ**
478 478  )))
479 479  )))
480 -)))
481 481  
482 482  (((
483 483  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -484,16 +484,13 @@
484 484  )))
485 485  
486 486  
479 +
487 487  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
488 488  
489 489  
490 -(((
491 491  **LT22222-L**: This mode the DI1 is used as a counting pin.
492 -)))
493 493  
494 -(((
495 495  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.
496 -)))
497 497  
498 498  [[image:image-20220523181903-8.png]]
499 499  
... ... @@ -521,17 +521,14 @@
521 521  (% class="box infomessage" %)
522 522  (((
523 523  (((
524 -(((
525 525  **AT+MOD=4**
526 -)))
527 527  
528 -(((
529 529  **ATZ**
530 530  )))
531 531  )))
532 -)))
533 533  
534 534  
520 +
535 535  (((
536 536  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
537 537  )))
... ... @@ -552,6 +552,7 @@
552 552  )))
553 553  
554 554  
541 +
555 555  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
556 556  
557 557  
... ... @@ -584,15 +584,11 @@
584 584  (% class="box infomessage" %)
585 585  (((
586 586  (((
587 -(((
588 588  **AT+MOD=5**
589 -)))
590 590  
591 -(((
592 592  **ATZ**
593 593  )))
594 594  )))
595 -)))
596 596  
597 597  (((
598 598  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -599,6 +599,7 @@
599 599  )))
600 600  
601 601  
585 +
602 602  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
603 603  
604 604  
... ... @@ -738,6 +738,8 @@
738 738  When device got this command, it will send the MOD6 payload.
739 739  
740 740  
725 +
726 +
741 741  === 3.3.7 Payload Decoder ===
742 742  
743 743  (((
... ... @@ -747,34 +747,32 @@
747 747  )))
748 748  
749 749  
736 +
750 750  == 3.4 ​Configure LT via AT or Downlink ==
751 751  
752 752  
753 -(((
754 754  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
755 -)))
756 756  
757 757  (((
758 -(((
759 759  There are two kinds of Commands:
760 760  )))
761 -)))
762 762  
763 -* (% 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]]
746 +* (% 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]]
764 764  
765 -* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
748 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
766 766  
767 767  
751 +
768 768  === 3.4.1 Common Commands ===
769 769  
770 770  
771 -(((
772 772  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]]
773 -)))
774 774  
775 775  
758 +
776 776  === 3.4.2 Sensor related commands ===
777 777  
761 +
778 778  ==== 3.4.2.1 Set Transmit Interval ====
779 779  
780 780  
... ... @@ -782,7 +782,7 @@
782 782  
783 783  * (% style="color:#037691" %)**AT Command:**
784 784  
785 -(% style="color:blue" %)**AT+TDC=N **
769 +**AT+TDC=N **
786 786  
787 787  
788 788  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -790,10 +790,11 @@
790 790  
791 791  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
792 792  
793 -(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
777 +**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
794 794  
795 795  
796 796  
781 +
797 797  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
798 798  
799 799  
... ... @@ -801,7 +801,7 @@
801 801  
802 802  * (% style="color:#037691" %)**AT Command:**
803 803  
804 -(% style="color:blue" %)**AT+MOD=N  **
789 +**AT+MOD=N  **
805 805  
806 806  
807 807  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -809,10 +809,11 @@
809 809  
810 810  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
811 811  
812 -(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
797 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
813 813  
814 814  
815 815  
801 +
816 816  ==== 3.4.2.3 Poll an uplink ====
817 817  
818 818  
... ... @@ -823,7 +823,7 @@
823 823  
824 824  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
825 825  
826 -(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
812 +**0x08 FF     **~/~/ Poll an uplink
827 827  
828 828  
829 829  **Example**: 0x08FF, ask device to send an Uplink
... ... @@ -830,6 +830,7 @@
830 830  
831 831  
832 832  
819 +
833 833  ==== 3.4.2.4 Enable Trigger Mode ====
834 834  
835 835  
... ... @@ -837,16 +837,16 @@
837 837  
838 838  * (% style="color:#037691" %)**AT Command:**
839 839  
840 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
827 +**AT+ADDMOD6=1 or 0**
841 841  
842 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
829 +1: Enable Trigger Mode
843 843  
844 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
831 +0: Disable Trigger Mode
845 845  
846 846  
847 847  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
848 848  
849 -(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
836 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
850 850  
851 851  
852 852  
... ... @@ -863,10 +863,11 @@
863 863  
864 864  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
865 865  
866 -(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
853 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
867 867  
868 868  
869 869  
857 +
870 870  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
871 871  
872 872  
... ... @@ -874,7 +874,7 @@
874 874  
875 875  * (% style="color:#037691" %)**AT Command:**
876 876  
877 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
865 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
878 878  
879 879  
880 880  **Example:**
... ... @@ -883,10 +883,11 @@
883 883  
884 884  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
885 885  
886 -(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
874 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
887 887  
888 888  
889 889  
878 +
890 890  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
891 891  
892 892  
... ... @@ -894,11 +894,11 @@
894 894  
895 895  * (% style="color:#037691" %)**AT Command:**
896 896  
897 -(% style="color:blue" %)**AT+TRIG1=a,b**
886 +**AT+TRIG1=a,b**
898 898  
899 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
888 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
900 900  
901 -(% style="color:red" %)**b :** (%%)delay timing.
890 +b : delay timing.
902 902  
903 903  
904 904  **Example:**
... ... @@ -907,11 +907,10 @@
907 907  
908 908  
909 909  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
899 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
910 910  
911 -(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
912 912  
913 913  
914 -
915 915  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
916 916  
917 917  
... ... @@ -919,13 +919,14 @@
919 919  
920 920  * (% style="color:#037691" %)**AT Command:**
921 921  
922 -(% style="color:blue" %)**AT+TRIG2=a,b**
910 +**AT+TRIG2=a,b**
923 923  
924 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
925 925  
926 -(% style="color:red" %)**b :** (%%)delay timing.
913 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
927 927  
915 +b : delay timing.
928 928  
917 +
929 929  **Example:**
930 930  
931 931  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
... ... @@ -933,10 +933,11 @@
933 933  
934 934  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
935 935  
936 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
925 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
937 937  
938 938  
939 939  
929 +
940 940  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
941 941  
942 942  
... ... @@ -944,15 +944,16 @@
944 944  
945 945  * (% style="color:#037691" %)**AT Command**
946 946  
947 -(% style="color:blue" %)**AT+ACLIM**
937 +**AT+ACLIM**
948 948  
949 949  
950 950  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
951 951  
952 -(% 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"]]
942 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
953 953  
954 954  
955 955  
946 +
956 956  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
957 957  
958 958  
... ... @@ -960,15 +960,16 @@
960 960  
961 961  * (% style="color:#037691" %)**AT Command**
962 962  
963 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
954 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
964 964  
965 965  
966 966  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
967 967  
968 -(% 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"]]
959 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
969 969  
970 970  
971 971  
963 +
972 972  ==== 3.4.2.11 Trigger – Set minimum interval ====
973 973  
974 974  
... ... @@ -976,12 +976,12 @@
976 976  
977 977  * (% style="color:#037691" %)**AT Command**
978 978  
979 -(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
971 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
980 980  
981 981  
982 982  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
983 983  
984 -(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
976 +**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
985 985  
986 986  (((
987 987  
... ... @@ -991,6 +991,7 @@
991 991  
992 992  
993 993  
986 +
994 994  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
995 995  
996 996  
... ... @@ -1000,7 +1000,7 @@
1000 1000  
1001 1001  
1002 1002  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1003 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
996 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1004 1004  
1005 1005  (((
1006 1006  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -1022,6 +1022,7 @@
1022 1022  
1023 1023  
1024 1024  
1018 +
1025 1025  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1026 1026  
1027 1027  
... ... @@ -1032,7 +1032,7 @@
1032 1032  
1033 1033  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1034 1034  
1035 -(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
1029 +**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1036 1036  
1037 1037  
1038 1038  This is to control the digital output time of DO pin. Include four bytes:
... ... @@ -1065,13 +1065,6 @@
1065 1065  
1066 1066   Latching time. Unit: ms
1067 1067  
1068 -Note:
1069 -
1070 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1071 -
1072 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1073 -
1074 -
1075 1075  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1076 1076  
1077 1077  
... ... @@ -1095,6 +1095,7 @@
1095 1095  
1096 1096  
1097 1097  
1085 +
1098 1098  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1099 1099  
1100 1100  
... ... @@ -1105,7 +1105,7 @@
1105 1105  
1106 1106  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1107 1107  
1108 -(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1096 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1109 1109  
1110 1110  
1111 1111  (((
... ... @@ -1135,7 +1135,7 @@
1135 1135  
1136 1136  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1137 1137  
1138 -(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1126 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1139 1139  
1140 1140  
1141 1141  This is to control the relay output time of relay. Include four bytes:
... ... @@ -1156,13 +1156,6 @@
1156 1156  
1157 1157  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1158 1158  
1159 -Note:
1160 -
1161 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1162 -
1163 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1164 -
1165 -
1166 1166  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1167 1167  
1168 1168  
... ... @@ -1193,33 +1193,39 @@
1193 1193  
1194 1194  * (% style="color:#037691" %)**AT Command:**
1195 1195  
1196 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1177 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1197 1197  
1198 1198  
1199 1199  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1200 1200  
1201 -(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1182 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1202 1202  
1203 1203  
1204 1204  
1186 +
1205 1205  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1206 1206  
1207 1207  
1208 1208  * (% style="color:#037691" %)**AT Command:**
1209 1209  
1210 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1192 +**AT+SETCNT=aa,(bb cc dd ee) **
1211 1211  
1212 -(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1194 +aa: 1: Set count1,
1213 1213  
1214 -(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1196 +2: Set count2,
1215 1215  
1198 +3: Set AV1 count
1216 1216  
1200 +Bb cc dd ee: number to be set
1201 +
1202 +
1217 1217  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1218 1218  
1219 -(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1205 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1220 1220  
1221 1221  
1222 1222  
1209 +
1223 1223  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1224 1224  
1225 1225  
... ... @@ -1227,79 +1227,87 @@
1227 1227  
1228 1228  * (% style="color:#037691" %)**AT Command:**
1229 1229  
1230 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1217 +**AT+CLRCOUNT ** ~/~/ clear all counting
1231 1231  
1232 1232  
1233 1233  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1234 1234  
1235 -(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1222 +**0x A6 01    ** ~/~/ clear all counting
1236 1236  
1237 1237  
1238 1238  
1226 +
1239 1239  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1240 1240  
1241 1241  
1242 1242  * (% style="color:#037691" %)**AT Command:**
1243 1243  
1244 -(% 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)
1232 +**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1245 1245  
1246 1246  
1247 1247  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1248 1248  
1249 -(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1237 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1250 1250  
1251 1251  (((
1252 1252  range: aa bb cc:0 to 16777215,  (unit:second)
1253 -)))
1254 1254  
1255 1255  
1256 1256  
1257 -==== 3.4.2.20 Reset save RO DO state ====
1244 +
1245 +)))
1258 1258  
1247 +==== 3.4.2.20 Reset save DR DO state ====
1259 1259  
1249 +
1260 1260  * (% style="color:#037691" %)**AT Command:**
1261 1261  
1262 -(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1252 +**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1263 1263  
1264 -(% style="color:blue" %)**AT+RODORESET=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.
1254 +**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.
1265 1265  
1266 1266  
1267 1267  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1268 1268  
1269 -(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1259 +**0x AD aa      **~/~/ same as AT+RODORET =aa
1270 1270  
1261 +(((
1262 +
1271 1271  
1272 1272  
1265 +
1273 1273  ==== 3.4.2.21 Encrypted payload ====
1274 1274  
1275 1275  
1276 1276  * (% style="color:#037691" %)**AT Command:**
1277 1277  
1278 -(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1271 +**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1279 1279  
1280 -(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
1273 +**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1281 1281  
1282 1282  
1283 1283  
1277 +
1284 1284  ==== 3.4.2.22 Get sensor value ====
1285 1285  
1286 1286  
1287 1287  * (% style="color:#037691" %)**AT Command:**
1288 1288  
1289 -(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
1283 +**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1290 1290  
1291 -(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
1285 +**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1292 1292  
1293 1293  
1294 1294  
1289 +
1295 1295  ==== 3.4.2.23 Resets the downlink packet count ====
1296 1296  
1297 1297  
1298 1298  * (% style="color:#037691" %)**AT Command:**
1299 1299  
1300 -(% 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)
1295 +**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)
1301 1301  
1302 -(% 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.
1297 +**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.
1303 1303  
1304 1304  
1305 1305  
... ... @@ -1309,14 +1309,14 @@
1309 1309  
1310 1310  * (% style="color:#037691" %)**AT Command:**
1311 1311  
1312 -(% 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)
1307 + **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)
1313 1313  
1314 -(% 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.
1309 + **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.
1315 1315  
1316 1316  
1317 1317  * (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1318 1318  
1319 -(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1314 +**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1320 1320  
1321 1321  
1322 1322  
... ... @@ -1326,7 +1326,7 @@
1326 1326  
1327 1327  * (% style="color:#037691" %)**AT Command**(%%)**:**
1328 1328  
1329 -(% 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.
1324 + **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.
1330 1330  
1331 1331  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.
1332 1332  
... ... @@ -1349,7 +1349,7 @@
1349 1349  * (((
1350 1350  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
1351 1351  
1352 -(% style="color:blue" %)**26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1347 +**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1353 1353  
1354 1354  
1355 1355  )))
... ... @@ -1359,6 +1359,9 @@
1359 1359  [[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"]]
1360 1360  
1361 1361  
1357 +
1358 +)))
1359 +
1362 1362  == 3.5 Integrate with Mydevice ==
1363 1363  
1364 1364  
... ... @@ -1408,8 +1408,10 @@
1408 1408  [[image:image-20220524094909-5.png||height="341" width="734"]]
1409 1409  
1410 1410  
1409 +
1411 1411  == 3.6 Interface Detail ==
1412 1412  
1412 +
1413 1413  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1414 1414  
1415 1415  
... ... @@ -1418,6 +1418,7 @@
1418 1418  [[image:1653356991268-289.png]]
1419 1419  
1420 1420  
1421 +
1421 1421  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1422 1422  
1423 1423  
... ... @@ -1539,16 +1539,16 @@
1539 1539  )))
1540 1540  
1541 1541  
1543 +
1542 1542  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1543 1543  
1544 1544  
1545 -**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.
1546 1546  
1547 -Note: DO pins go to float when device is power off.
1548 -
1549 1549  [[image:1653357531600-905.png]]
1550 1550  
1551 1551  
1552 +
1552 1552  === 3.6.4 Analog Input Interface ===
1553 1553  
1554 1554  
... ... @@ -1564,13 +1564,13 @@
1564 1564  We take the wind speed sensor as an example for reference only.
1565 1565  
1566 1566  
1567 -(% style="color:blue" %)**Specifications of the wind speed sensor:**
1568 +**Specifications of the wind speed sensor:**
1568 1568  
1569 -**Red:  12~~24v**
1570 +Red:  12~~24v
1570 1570  
1571 -**Yellow:  4~~20mA**
1572 +Yellow:  4~~20mA
1572 1572  
1573 -**Black:  GND**
1574 +Black:  GND
1574 1574  
1575 1575  
1576 1576  **Connection diagram:**
... ... @@ -1580,13 +1580,12 @@
1580 1580  [[image:1653357648330-671.png||height="155" width="733"]]
1581 1581  
1582 1582  
1584 +
1583 1583  === 3.6.5 Relay Output ===
1584 1584  
1585 1585  
1586 1586  (((
1587 -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:
1588 -
1589 -**Note**: RO pins go to Open(NO) when device is power off.
1589 +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:
1590 1590  )))
1591 1591  
1592 1592  [[image:image-20220524100215-9.png]]
... ... @@ -1595,6 +1595,7 @@
1595 1595  [[image:image-20220524100215-10.png||height="382" width="723"]]
1596 1596  
1597 1597  
1598 +
1598 1598  == 3.7 LEDs Indicators ==
1599 1599  
1600 1600  
... ... @@ -1604,17 +1604,12 @@
1604 1604  
1605 1605  = 4. Use AT Command =
1606 1606  
1608 +
1607 1607  == 4.1 Access AT Command ==
1608 1608  
1609 1609  
1610 -(((
1611 1611  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.
1612 -)))
1613 1613  
1614 -(((
1615 -
1616 -)))
1617 -
1618 1618  [[image:1653358238933-385.png]]
1619 1619  
1620 1620  
... ... @@ -1642,7 +1642,7 @@
1642 1642  )))
1643 1643  
1644 1644  (((
1645 -AT+<CMD>=?       :  Get the value
1641 +AT+<CMD>=?       : Get the value
1646 1646  )))
1647 1647  
1648 1648  (((
... ... @@ -1670,11 +1670,11 @@
1670 1670  )))
1671 1671  
1672 1672  (((
1673 -AT+APPSKEY:  Get or Set the Application Session Key
1669 +AT+APPSKEY: Get or Set the Application Session Key
1674 1674  )))
1675 1675  
1676 1676  (((
1677 -AT+APPEUI:  Get or Set the Application EUI
1673 +AT+APPEUI: Get or Set the Application EUI
1678 1678  )))
1679 1679  
1680 1680  (((
... ... @@ -1686,7 +1686,7 @@
1686 1686  )))
1687 1687  
1688 1688  (((
1689 -AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1685 +AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1690 1690  )))
1691 1691  
1692 1692  (((
... ... @@ -1722,7 +1722,7 @@
1722 1722  )))
1723 1723  
1724 1724  (((
1725 -AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1721 +AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1726 1726  )))
1727 1727  
1728 1728  (((
... ... @@ -1766,7 +1766,7 @@
1766 1766  )))
1767 1767  
1768 1768  (((
1769 -AT+VER:  Get current image version and Frequency Band
1765 +AT+VER: Get current image version and Frequency Band
1770 1770  )))
1771 1771  
1772 1772  (((
... ... @@ -1774,7 +1774,7 @@
1774 1774  )))
1775 1775  
1776 1776  (((
1777 -AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1773 +AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1778 1778  )))
1779 1779  
1780 1780  (((
... ... @@ -1814,108 +1814,107 @@
1814 1814  )))
1815 1815  
1816 1816  
1813 +
1817 1817  == 4.2 Common AT Command Sequence ==
1818 1818  
1816 +
1819 1819  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1820 1820  
1821 1821  (((
1822 1822  
1823 1823  
1824 -(((
1825 -(% style="color:blue" %)**If device has not joined network yet:**
1822 +**If device has not joined network yet:**
1826 1826  )))
1827 -)))
1828 1828  
1829 1829  (((
1830 -(% style="background-color:#dcdcdc" %)**123456**
1826 +(% style="background-color:#dcdcdc" %)123456
1831 1831  )))
1832 1832  
1833 1833  (((
1834 -(% style="background-color:#dcdcdc" %)**AT+FDR**
1830 +(% style="background-color:#dcdcdc" %)AT+FDR
1835 1835  )))
1836 1836  
1837 1837  (((
1838 -(% style="background-color:#dcdcdc" %)**123456**
1834 +(% style="background-color:#dcdcdc" %)123456
1839 1839  )))
1840 1840  
1841 1841  (((
1842 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1838 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1843 1843  )))
1844 1844  
1845 1845  (((
1846 -(% style="background-color:#dcdcdc" %)**ATZ**
1842 +(% style="background-color:#dcdcdc" %)ATZ
1847 1847  )))
1848 1848  
1849 1849  
1850 1850  (((
1851 -(% style="color:blue" %)**If device already joined network:**
1847 +**If device already joined network:**
1852 1852  )))
1853 1853  
1854 1854  (((
1855 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1851 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1856 1856  )))
1857 1857  
1858 1858  (((
1859 -(% style="background-color:#dcdcdc" %)**ATZ**
1855 +(% style="background-color:#dcdcdc" %)ATZ
1860 1860  )))
1861 1861  
1862 1862  
1859 +
1863 1863  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1864 1864  
1865 1865  (((
1866 1866  
1867 1867  
1868 -(((
1869 -(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1865 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1870 1870  )))
1871 -)))
1872 1872  
1873 1873  (((
1874 -(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1869 +(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1875 1875  )))
1876 1876  
1877 1877  (((
1878 -(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1873 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1879 1879  )))
1880 1880  
1881 1881  (((
1882 -(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1877 +(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1883 1883  )))
1884 1884  
1885 1885  (((
1886 -(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1881 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1887 1887  )))
1888 1888  
1889 1889  (((
1890 -(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1885 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1891 1891  )))
1892 1892  
1893 1893  (((
1894 -(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1889 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1895 1895  )))
1896 1896  
1897 1897  (((
1898 -(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1893 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1899 1899  )))
1900 1900  
1901 1901  (((
1902 -(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1897 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1903 1903  )))
1904 1904  
1905 1905  (((
1906 -(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1901 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1907 1907  )))
1908 1908  
1909 1909  (((
1910 -(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1905 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1911 1911  )))
1912 1912  
1913 1913  (((
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.
1909 +(% 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.
1915 1915  )))
1916 1916  
1917 1917  (((
1918 -(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1913 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1919 1919  
1920 1920  
1921 1921  )))
... ... @@ -1925,15 +1925,11 @@
1925 1925  )))
1926 1926  
1927 1927  (((
1928 -**~1. Make sure the device is set to ABP mode in the IoT Server.**
1923 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1924 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1925 +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.
1926 +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
1929 1929  
1930 -**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1931 -
1932 -**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?
1933 -dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1934 -
1935 -**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**
1936 -
1937 1937  
1938 1938  )))
1939 1939  
... ... @@ -1949,16 +1949,15 @@
1949 1949  === 4.2.3 Change to Class A ===
1950 1950  
1951 1951  
1952 -(((
1953 -(% style="color:blue" %)**If sensor JOINED:**
1943 +If sensor JOINED
1944 +(% style="background-color:#dcdcdc" %)AT+CLASS=A
1945 +ATZ
1954 1954  
1955 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1956 -ATZ**
1957 -)))
1958 1958  
1959 1959  
1960 1960  = 5. FAQ =
1961 1961  
1951 +
1962 1962  == 5.1 How to upgrade the image? ==
1963 1963  
1964 1964  
... ... @@ -1979,10 +1979,8 @@
1979 1979  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1980 1980  
1981 1981  
1982 -(((
1983 1983  (% style="color:blue" %)**For LT-22222-L**(%%):
1984 1984  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.
1985 -)))
1986 1986  
1987 1987  
1988 1988  )))
... ... @@ -2002,6 +2002,8 @@
2002 2002  
2003 2003  (((
2004 2004  (((
1993 +
1994 +
2005 2005  == 5.2 How to change the LoRa Frequency Bands/Region? ==
2006 2006  
2007 2007  
... ... @@ -2015,6 +2015,7 @@
2015 2015  (((
2016 2016  
2017 2017  
2008 +
2018 2018  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2019 2019  
2020 2020  
... ... @@ -2030,6 +2030,7 @@
2030 2030  (((
2031 2031  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2032 2032  
2024 +
2033 2033  
2034 2034  )))
2035 2035  )))
... ... @@ -2059,15 +2059,16 @@
2059 2059  )))
2060 2060  
2061 2061  (((
2062 -(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2063 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2064 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2065 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2066 -(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2067 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2068 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2069 -(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2070 -(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2054 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
2055 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
2056 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
2057 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
2058 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
2059 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
2060 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
2061 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
2062 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
2063 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
2071 2071  )))
2072 2072  
2073 2073  
... ... @@ -2078,6 +2078,7 @@
2078 2078  [[image:1653360498588-932.png||height="485" width="726"]]
2079 2079  
2080 2080  
2074 +
2081 2081  == 5.4 Can I see counting event in Serial? ==
2082 2082  
2083 2083  
... ... @@ -2085,11 +2085,13 @@
2085 2085  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
2086 2086  
2087 2087  
2082 +
2088 2088  == 5.5 Can i use point to point communication for LT-22222-L? ==
2089 2089  
2090 2090  
2091 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
2086 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2092 2092  
2088 +
2093 2093  
2094 2094  )))
2095 2095  
... ... @@ -2108,20 +2108,15 @@
2108 2108  
2109 2109  == 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2110 2110  
2111 -
2112 2112  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2113 2113  
2114 -
2115 2115  [[image:image-20221006170630-1.png||height="610" width="945"]]
2116 2116  
2117 2117  
2118 -== 5.8 Can LT22222-L save RO state? ==
2119 2119  
2120 -
2121 -Firmware version needs to be no less than 1.6.0.
2122 -
2123 -
2124 2124  = 6. Trouble Shooting =
2114 +
2115 +
2125 2125  )))
2126 2126  
2127 2127  (((
... ... @@ -2139,6 +2139,7 @@
2139 2139  (((
2140 2140  
2141 2141  
2133 +
2142 2142  == 6.2 Have trouble to upload image. ==
2143 2143  
2144 2144  
... ... @@ -2151,6 +2151,7 @@
2151 2151  (((
2152 2152  
2153 2153  
2146 +
2154 2154  == 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2155 2155  
2156 2156  
... ... @@ -2161,6 +2161,7 @@
2161 2161  )))
2162 2162  
2163 2163  
2157 +
2164 2164  = 7. Order Info =
2165 2165  
2166 2166  
... ... @@ -2179,6 +2179,7 @@
2179 2179  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2180 2180  
2181 2181  
2176 +
2182 2182  = 8. Packing Info =
2183 2183  
2184 2184  
... ... @@ -2197,6 +2197,7 @@
2197 2197  * Weight / pcs : 170g
2198 2198  
2199 2199  
2195 +
2200 2200  = 9. Support =
2201 2201  
2202 2202  
... ... @@ -2207,6 +2207,7 @@
2207 2207  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]]
2208 2208  
2209 2209  
2206 +
2210 2210  
2211 2211  )))
2212 2212  
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