Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 109.1 >
edited by Edwin Chen
on 2022/11/19 11:32
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.Edwin
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 
... ... @@ -186,6 +186,8 @@
186 186  * Firmware upgradable via program port
187 187  * Counting
188 188  
187 +
188 +
189 189  == 1.4  Applications ==
190 190  
191 191  
... ... @@ -196,6 +196,8 @@
196 196  * Smart Cities
197 197  * Smart Factory
198 198  
199 +
200 +
199 199  == 1.5 Hardware Variants ==
200 200  
201 201  
... ... @@ -210,12 +210,12 @@
210 210  * 1 x Counting Port
211 211  )))
212 212  
215 +
216 +
213 213  = 2. Power ON Device =
214 214  
215 215  
216 -(((
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.
218 -)))
219 219  
220 220  (((
221 221  PWR will on when device is properly powered.
... ... @@ -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"]]
... ... @@ -307,12 +307,12 @@
307 307  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
308 308  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
309 309  
310 +
311 +
310 310  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
311 311  
312 312  
313 -(((
314 314  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
315 -)))
316 316  
317 317  [[image:image-20220523174024-3.png]]
318 318  
... ... @@ -348,6 +348,8 @@
348 348  * [1] RO1 relay channel is close and the RO1 LED is ON.
349 349  * [0] RO2 relay channel is open and RO2 LED is OFF;
350 350  
351 +
352 +
351 351  **LT22222-L:**
352 352  
353 353  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -363,12 +363,11 @@
363 363  ** DO1 is high in case there is load between DO1 and V+.
364 364  ** DO1 LED is off in both case
365 365  
368 +
366 366  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
367 367  
368 368  
369 -(((
370 370  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
371 -)))
372 372  
373 373  (((
374 374  Total : 11 bytes payload
... ... @@ -400,15 +400,11 @@
400 400  (% class="box infomessage" %)
401 401  (((
402 402  (((
403 -(((
404 404  **AT+MOD=2**
405 -)))
406 406  
407 -(((
408 408  **ATZ**
409 409  )))
410 410  )))
411 -)))
412 412  
413 413  (((
414 414  
... ... @@ -468,15 +468,11 @@
468 468  (% class="box infomessage" %)
469 469  (((
470 470  (((
471 -(((
472 472  **AT+MOD=3**
473 -)))
474 474  
475 -(((
476 476  **ATZ**
477 477  )))
478 478  )))
479 -)))
480 480  
481 481  (((
482 482  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -487,13 +487,9 @@
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  )))
... ... @@ -585,15 +585,11 @@
585 585  (% class="box infomessage" %)
586 586  (((
587 587  (((
588 -(((
589 589  **AT+MOD=5**
590 -)))
591 591  
592 -(((
593 593  **ATZ**
594 594  )))
595 595  )))
596 -)))
597 597  
598 598  (((
599 599  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -741,6 +741,7 @@
741 741  
742 742  
743 743  
726 +
744 744  === 3.3.7 Payload Decoder ===
745 745  
746 746  (((
... ... @@ -754,26 +754,22 @@
754 754  == 3.4 ​Configure LT via AT or Downlink ==
755 755  
756 756  
757 -(((
758 758  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
759 -)))
760 760  
761 761  (((
762 -(((
763 763  There are two kinds of Commands:
764 764  )))
765 -)))
766 766  
767 -* (% 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]]
768 768  
769 -* (% 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:
770 770  
750 +
751 +
771 771  === 3.4.1 Common Commands ===
772 772  
773 773  
774 -(((
775 775  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]]
776 -)))
777 777  
778 778  
779 779  
... ... @@ -787,7 +787,7 @@
787 787  
788 788  * (% style="color:#037691" %)**AT Command:**
789 789  
790 -(% style="color:blue" %)**AT+TDC=N **
769 +**AT+TDC=N **
791 791  
792 792  
793 793  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -795,10 +795,11 @@
795 795  
796 796  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
797 797  
798 -(% 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)**
799 799  
800 800  
801 801  
781 +
802 802  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
803 803  
804 804  
... ... @@ -806,7 +806,7 @@
806 806  
807 807  * (% style="color:#037691" %)**AT Command:**
808 808  
809 -(% style="color:blue" %)**AT+MOD=N  **
789 +**AT+MOD=N  **
810 810  
811 811  
812 812  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -814,10 +814,11 @@
814 814  
815 815  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
816 816  
817 -(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
797 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
818 818  
819 819  
820 820  
801 +
821 821  ==== 3.4.2.3 Poll an uplink ====
822 822  
823 823  
... ... @@ -828,7 +828,7 @@
828 828  
829 829  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
830 830  
831 -(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
812 +**0x08 FF     **~/~/ Poll an uplink
832 832  
833 833  
834 834  **Example**: 0x08FF, ask device to send an Uplink
... ... @@ -835,6 +835,7 @@
835 835  
836 836  
837 837  
819 +
838 838  ==== 3.4.2.4 Enable Trigger Mode ====
839 839  
840 840  
... ... @@ -842,16 +842,16 @@
842 842  
843 843  * (% style="color:#037691" %)**AT Command:**
844 844  
845 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
827 +**AT+ADDMOD6=1 or 0**
846 846  
847 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
829 +1: Enable Trigger Mode
848 848  
849 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
831 +0: Disable Trigger Mode
850 850  
851 851  
852 852  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
853 853  
854 -(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
836 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
855 855  
856 856  
857 857  
... ... @@ -868,10 +868,11 @@
868 868  
869 869  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
870 870  
871 -(% 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
872 872  
873 873  
874 874  
857 +
875 875  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
876 876  
877 877  
... ... @@ -879,7 +879,7 @@
879 879  
880 880  * (% style="color:#037691" %)**AT Command:**
881 881  
882 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
865 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
883 883  
884 884  
885 885  **Example:**
... ... @@ -888,10 +888,11 @@
888 888  
889 889  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
890 890  
891 -(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
874 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
892 892  
893 893  
894 894  
878 +
895 895  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
896 896  
897 897  
... ... @@ -899,11 +899,11 @@
899 899  
900 900  * (% style="color:#037691" %)**AT Command:**
901 901  
902 -(% style="color:blue" %)**AT+TRIG1=a,b**
886 +**AT+TRIG1=a,b**
903 903  
904 -(% 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).
905 905  
906 -(% style="color:red" %)**b :** (%%)delay timing.
890 +b : delay timing.
907 907  
908 908  
909 909  **Example:**
... ... @@ -912,11 +912,10 @@
912 912  
913 913  
914 914  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
899 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
915 915  
916 -(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
917 917  
918 918  
919 -
920 920  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
921 921  
922 922  
... ... @@ -924,13 +924,14 @@
924 924  
925 925  * (% style="color:#037691" %)**AT Command:**
926 926  
927 -(% style="color:blue" %)**AT+TRIG2=a,b**
910 +**AT+TRIG2=a,b**
928 928  
929 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
930 930  
931 -(% style="color:red" %)**b :** (%%)delay timing.
913 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
932 932  
915 +b : delay timing.
933 933  
917 +
934 934  **Example:**
935 935  
936 936  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
... ... @@ -938,10 +938,11 @@
938 938  
939 939  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
940 940  
941 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
925 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
942 942  
943 943  
944 944  
929 +
945 945  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
946 946  
947 947  
... ... @@ -949,15 +949,16 @@
949 949  
950 950  * (% style="color:#037691" %)**AT Command**
951 951  
952 -(% style="color:blue" %)**AT+ACLIM**
937 +**AT+ACLIM**
953 953  
954 954  
955 955  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
956 956  
957 -(% 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"]]
958 958  
959 959  
960 960  
946 +
961 961  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
962 962  
963 963  
... ... @@ -965,15 +965,16 @@
965 965  
966 966  * (% style="color:#037691" %)**AT Command**
967 967  
968 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
954 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
969 969  
970 970  
971 971  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
972 972  
973 -(% 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"]]
974 974  
975 975  
976 976  
963 +
977 977  ==== 3.4.2.11 Trigger – Set minimum interval ====
978 978  
979 979  
... ... @@ -981,12 +981,12 @@
981 981  
982 982  * (% style="color:#037691" %)**AT Command**
983 983  
984 -(% 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.
985 985  
986 986  
987 987  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
988 988  
989 -(% 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)
990 990  
991 991  (((
992 992  
... ... @@ -996,6 +996,7 @@
996 996  
997 997  
998 998  
986 +
999 999  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1000 1000  
1001 1001  
... ... @@ -1005,7 +1005,7 @@
1005 1005  
1006 1006  
1007 1007  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1008 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
996 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1009 1009  
1010 1010  (((
1011 1011  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -1027,6 +1027,7 @@
1027 1027  
1028 1028  
1029 1029  
1018 +
1030 1030  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1031 1031  
1032 1032  
... ... @@ -1037,7 +1037,7 @@
1037 1037  
1038 1038  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1039 1039  
1040 -(% 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
1041 1041  
1042 1042  
1043 1043  This is to control the digital output time of DO pin. Include four bytes:
... ... @@ -1070,13 +1070,6 @@
1070 1070  
1071 1071   Latching time. Unit: ms
1072 1072  
1073 -Note:
1074 -
1075 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1076 -
1077 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1078 -
1079 -
1080 1080  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1081 1081  
1082 1082  
... ... @@ -1100,6 +1100,7 @@
1100 1100  
1101 1101  
1102 1102  
1085 +
1103 1103  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1104 1104  
1105 1105  
... ... @@ -1110,7 +1110,7 @@
1110 1110  
1111 1111  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1112 1112  
1113 -(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1096 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1114 1114  
1115 1115  
1116 1116  (((
... ... @@ -1140,7 +1140,7 @@
1140 1140  
1141 1141  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1142 1142  
1143 -(% 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
1144 1144  
1145 1145  
1146 1146  This is to control the relay output time of relay. Include four bytes:
... ... @@ -1161,13 +1161,6 @@
1161 1161  
1162 1162  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1163 1163  
1164 -Note:
1165 -
1166 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1167 -
1168 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1169 -
1170 -
1171 1171  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1172 1172  
1173 1173  
... ... @@ -1198,33 +1198,39 @@
1198 1198  
1199 1199  * (% style="color:#037691" %)**AT Command:**
1200 1200  
1201 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1177 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1202 1202  
1203 1203  
1204 1204  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1205 1205  
1206 -(% 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
1207 1207  
1208 1208  
1209 1209  
1186 +
1210 1210  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1211 1211  
1212 1212  
1213 1213  * (% style="color:#037691" %)**AT Command:**
1214 1214  
1215 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1192 +**AT+SETCNT=aa,(bb cc dd ee) **
1216 1216  
1217 -(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1194 +aa: 1: Set count1,
1218 1218  
1219 -(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1196 +2: Set count2,
1220 1220  
1198 +3: Set AV1 count
1221 1221  
1200 +Bb cc dd ee: number to be set
1201 +
1202 +
1222 1222  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1223 1223  
1224 -(% 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)
1225 1225  
1226 1226  
1227 1227  
1209 +
1228 1228  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1229 1229  
1230 1230  
... ... @@ -1232,79 +1232,87 @@
1232 1232  
1233 1233  * (% style="color:#037691" %)**AT Command:**
1234 1234  
1235 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1217 +**AT+CLRCOUNT ** ~/~/ clear all counting
1236 1236  
1237 1237  
1238 1238  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1239 1239  
1240 -(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1222 +**0x A6 01    ** ~/~/ clear all counting
1241 1241  
1242 1242  
1243 1243  
1226 +
1244 1244  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1245 1245  
1246 1246  
1247 1247  * (% style="color:#037691" %)**AT Command:**
1248 1248  
1249 -(% 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)
1250 1250  
1251 1251  
1252 1252  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1253 1253  
1254 -(% 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,
1255 1255  
1256 1256  (((
1257 1257  range: aa bb cc:0 to 16777215,  (unit:second)
1258 -)))
1259 1259  
1260 1260  
1261 1261  
1262 -==== 3.4.2.20 Reset save RO DO state ====
1244 +
1245 +)))
1263 1263  
1247 +==== 3.4.2.20 Reset save DR DO state ====
1264 1264  
1249 +
1265 1265  * (% style="color:#037691" %)**AT Command:**
1266 1266  
1267 -(% 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)
1268 1268  
1269 -(% 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.
1270 1270  
1271 1271  
1272 1272  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1273 1273  
1274 -(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1259 +**0x AD aa      **~/~/ same as AT+RODORET =aa
1275 1275  
1261 +(((
1262 +
1276 1276  
1277 1277  
1265 +
1278 1278  ==== 3.4.2.21 Encrypted payload ====
1279 1279  
1280 1280  
1281 1281  * (% style="color:#037691" %)**AT Command:**
1282 1282  
1283 -(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1271 +**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1284 1284  
1285 -(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
1273 +**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1286 1286  
1287 1287  
1288 1288  
1277 +
1289 1289  ==== 3.4.2.22 Get sensor value ====
1290 1290  
1291 1291  
1292 1292  * (% style="color:#037691" %)**AT Command:**
1293 1293  
1294 -(% 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
1295 1295  
1296 -(% 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.
1297 1297  
1298 1298  
1299 1299  
1289 +
1300 1300  ==== 3.4.2.23 Resets the downlink packet count ====
1301 1301  
1302 1302  
1303 1303  * (% style="color:#037691" %)**AT Command:**
1304 1304  
1305 -(% 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)
1306 1306  
1307 -(% 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.
1308 1308  
1309 1309  
1310 1310  
... ... @@ -1314,14 +1314,14 @@
1314 1314  
1315 1315  * (% style="color:#037691" %)**AT Command:**
1316 1316  
1317 -(% 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)
1318 1318  
1319 -(% 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.
1320 1320  
1321 1321  
1322 1322  * (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1323 1323  
1324 -(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1314 +**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1325 1325  
1326 1326  
1327 1327  
... ... @@ -1331,7 +1331,7 @@
1331 1331  
1332 1332  * (% style="color:#037691" %)**AT Command**(%%)**:**
1333 1333  
1334 -(% 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.
1335 1335  
1336 1336  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.
1337 1337  
... ... @@ -1354,7 +1354,7 @@
1354 1354  * (((
1355 1355  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
1356 1356  
1357 -(% 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.
1358 1358  
1359 1359  
1360 1360  )))
... ... @@ -1364,6 +1364,8 @@
1364 1364  [[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"]]
1365 1365  
1366 1366  
1357 +
1358 +)))
1367 1367  
1368 1368  == 3.5 Integrate with Mydevice ==
1369 1369  
... ... @@ -1552,10 +1552,8 @@
1552 1552  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1553 1553  
1554 1554  
1555 -**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.
1556 1556  
1557 -Note: DO pins go to float when device is power off.
1558 -
1559 1559  [[image:1653357531600-905.png]]
1560 1560  
1561 1561  
... ... @@ -1575,13 +1575,13 @@
1575 1575  We take the wind speed sensor as an example for reference only.
1576 1576  
1577 1577  
1578 -(% style="color:blue" %)**Specifications of the wind speed sensor:**
1568 +**Specifications of the wind speed sensor:**
1579 1579  
1580 -**Red:  12~~24v**
1570 +Red:  12~~24v
1581 1581  
1582 -**Yellow:  4~~20mA**
1572 +Yellow:  4~~20mA
1583 1583  
1584 -**Black:  GND**
1574 +Black:  GND
1585 1585  
1586 1586  
1587 1587  **Connection diagram:**
... ... @@ -1596,9 +1596,7 @@
1596 1596  
1597 1597  
1598 1598  (((
1599 -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 -
1601 -**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:
1602 1602  )))
1603 1603  
1604 1604  [[image:image-20220524100215-9.png]]
... ... @@ -1621,14 +1621,8 @@
1621 1621  == 4.1 Access AT Command ==
1622 1622  
1623 1623  
1624 -(((
1625 1625  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.
1626 -)))
1627 1627  
1628 -(((
1629 -
1630 -)))
1631 -
1632 1632  [[image:1653358238933-385.png]]
1633 1633  
1634 1634  
... ... @@ -1656,7 +1656,7 @@
1656 1656  )))
1657 1657  
1658 1658  (((
1659 -AT+<CMD>=?       :  Get the value
1641 +AT+<CMD>=?       : Get the value
1660 1660  )))
1661 1661  
1662 1662  (((
... ... @@ -1684,11 +1684,11 @@
1684 1684  )))
1685 1685  
1686 1686  (((
1687 -AT+APPSKEY:  Get or Set the Application Session Key
1669 +AT+APPSKEY: Get or Set the Application Session Key
1688 1688  )))
1689 1689  
1690 1690  (((
1691 -AT+APPEUI:  Get or Set the Application EUI
1673 +AT+APPEUI: Get or Set the Application EUI
1692 1692  )))
1693 1693  
1694 1694  (((
... ... @@ -1700,7 +1700,7 @@
1700 1700  )))
1701 1701  
1702 1702  (((
1703 -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)  
1704 1704  )))
1705 1705  
1706 1706  (((
... ... @@ -1736,7 +1736,7 @@
1736 1736  )))
1737 1737  
1738 1738  (((
1739 -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)
1740 1740  )))
1741 1741  
1742 1742  (((
... ... @@ -1780,7 +1780,7 @@
1780 1780  )))
1781 1781  
1782 1782  (((
1783 -AT+VER:  Get current image version and Frequency Band
1765 +AT+VER: Get current image version and Frequency Band
1784 1784  )))
1785 1785  
1786 1786  (((
... ... @@ -1788,7 +1788,7 @@
1788 1788  )))
1789 1789  
1790 1790  (((
1791 -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)
1792 1792  )))
1793 1793  
1794 1794  (((
... ... @@ -1837,42 +1837,40 @@
1837 1837  (((
1838 1838  
1839 1839  
1840 -(((
1841 -(% style="color:blue" %)**If device has not joined network yet:**
1822 +**If device has not joined network yet:**
1842 1842  )))
1843 -)))
1844 1844  
1845 1845  (((
1846 -(% style="background-color:#dcdcdc" %)**123456**
1826 +(% style="background-color:#dcdcdc" %)123456
1847 1847  )))
1848 1848  
1849 1849  (((
1850 -(% style="background-color:#dcdcdc" %)**AT+FDR**
1830 +(% style="background-color:#dcdcdc" %)AT+FDR
1851 1851  )))
1852 1852  
1853 1853  (((
1854 -(% style="background-color:#dcdcdc" %)**123456**
1834 +(% style="background-color:#dcdcdc" %)123456
1855 1855  )))
1856 1856  
1857 1857  (((
1858 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1838 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1859 1859  )))
1860 1860  
1861 1861  (((
1862 -(% style="background-color:#dcdcdc" %)**ATZ**
1842 +(% style="background-color:#dcdcdc" %)ATZ
1863 1863  )))
1864 1864  
1865 1865  
1866 1866  (((
1867 -(% style="color:blue" %)**If device already joined network:**
1847 +**If device already joined network:**
1868 1868  )))
1869 1869  
1870 1870  (((
1871 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1851 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1872 1872  )))
1873 1873  
1874 1874  (((
1875 -(% style="background-color:#dcdcdc" %)**ATZ**
1855 +(% style="background-color:#dcdcdc" %)ATZ
1876 1876  )))
1877 1877  
1878 1878  
... ... @@ -1882,57 +1882,55 @@
1882 1882  (((
1883 1883  
1884 1884  
1885 -(((
1886 -(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1865 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1887 1887  )))
1888 -)))
1889 1889  
1890 1890  (((
1891 -(% 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
1892 1892  )))
1893 1893  
1894 1894  (((
1895 -(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1873 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1896 1896  )))
1897 1897  
1898 1898  (((
1899 -(% 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
1900 1900  )))
1901 1901  
1902 1902  (((
1903 -(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1881 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1904 1904  )))
1905 1905  
1906 1906  (((
1907 -(% 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
1908 1908  )))
1909 1909  
1910 1910  (((
1911 -(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1889 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1912 1912  )))
1913 1913  
1914 1914  (((
1915 -(% 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
1916 1916  )))
1917 1917  
1918 1918  (((
1919 -(% 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
1920 1920  )))
1921 1921  
1922 1922  (((
1923 -(% 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)
1924 1924  )))
1925 1925  
1926 1926  (((
1927 -(% 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
1928 1928  )))
1929 1929  
1930 1930  (((
1931 -(% 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.
1932 1932  )))
1933 1933  
1934 1934  (((
1935 -(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1913 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1936 1936  
1937 1937  
1938 1938  )))
... ... @@ -1942,15 +1942,11 @@
1942 1942  )))
1943 1943  
1944 1944  (((
1945 -**~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
1946 1946  
1947 -**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1948 -
1949 -**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?
1950 -dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1951 -
1952 -**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**
1953 -
1954 1954  
1955 1955  )))
1956 1956  
... ... @@ -1966,15 +1966,12 @@
1966 1966  === 4.2.3 Change to Class A ===
1967 1967  
1968 1968  
1969 -(((
1970 -(% style="color:blue" %)**If sensor JOINED:**
1943 +If sensor JOINED
1944 +(% style="background-color:#dcdcdc" %)AT+CLASS=A
1945 +ATZ
1971 1971  
1972 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1973 -ATZ**
1974 -)))
1975 1975  
1976 1976  
1977 -
1978 1978  = 5. FAQ =
1979 1979  
1980 1980  
... ... @@ -1998,10 +1998,8 @@
1998 1998  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1999 1999  
2000 2000  
2001 -(((
2002 2002  (% style="color:blue" %)**For LT-22222-L**(%%):
2003 2003  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.
2004 -)))
2005 2005  
2006 2006  
2007 2007  )))
... ... @@ -2052,6 +2052,7 @@
2052 2052  (((
2053 2053  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2054 2054  
2024 +
2055 2055  
2056 2056  )))
2057 2057  )))
... ... @@ -2081,15 +2081,16 @@
2081 2081  )))
2082 2082  
2083 2083  (((
2084 -(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2085 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2086 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2087 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2088 -(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2089 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2090 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2091 -(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2092 -(% 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
2093 2093  )))
2094 2094  
2095 2095  
... ... @@ -2112,7 +2112,7 @@
2112 2112  == 5.5 Can i use point to point communication for LT-22222-L? ==
2113 2113  
2114 2114  
2115 -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]]
2116 2116  
2117 2117  
2118 2118  
... ... @@ -2131,23 +2131,14 @@
2131 2131  After restart, the status before power failure will be read from flash.
2132 2132  
2133 2133  
2134 -
2135 2135  == 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2136 2136  
2137 -
2138 2138  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2139 2139  
2140 -
2141 2141  [[image:image-20221006170630-1.png||height="610" width="945"]]
2142 2142  
2143 2143  
2144 -== 5.8 Can LT22222-L save RO state? ==
2145 2145  
2146 -
2147 -Firmware version needs to be no less than 1.6.0.
2148 -
2149 -
2150 -
2151 2151  = 6. Trouble Shooting =
2152 2152  
2153 2153  
... ... @@ -2210,6 +2210,8 @@
2210 2210  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2211 2211  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2212 2212  
2175 +
2176 +
2213 2213  = 8. Packing Info =
2214 2214  
2215 2215  
... ... @@ -2227,6 +2227,8 @@
2227 2227  * Package Size / pcs : 14.5 x 8 x 5 cm
2228 2228  * Weight / pcs : 170g
2229 2229  
2194 +
2195 +
2230 2230  = 9. Support =
2231 2231  
2232 2232  
... ... @@ -2237,6 +2237,7 @@
2237 2237  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]]
2238 2238  
2239 2239  
2206 +
2240 2240  
2241 2241  )))
2242 2242  
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