Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 111.2 >
edited by Xiaoling
on 2023/01/29 11:26
To version < 101.4 >
edited by Xiaoling
on 2022/10/25 15:24
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -15,6 +15,7 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 +
18 18  == 1.1 What is LT Series I/O Controller ==
19 19  
20 20  (((
... ... @@ -53,6 +53,7 @@
53 53  
54 54  )))
55 55  
57 +
56 56  == 1.2  Specifications ==
57 57  
58 58  (((
... ... @@ -62,7 +62,7 @@
62 62  )))
63 63  
64 64  * (((
65 -STM32L072xxxx MCU
67 +STM32L072CZT6 MCU
66 66  )))
67 67  * (((
68 68  SX1276/78 Wireless Chip 
... ... @@ -169,6 +169,7 @@
169 169  Packet engine up to 256 bytes with CRC.
170 170  
171 171  
174 +
172 172  
173 173  )))
174 174  
... ... @@ -229,8 +229,10 @@
229 229  [[image:1653297104069-180.png]]
230 230  
231 231  
235 +
232 232  = 3. Operation Mode =
233 233  
238 +
234 234  == 3.1 How it works? ==
235 235  
236 236  
... ... @@ -243,6 +243,7 @@
243 243  )))
244 244  
245 245  
251 +
246 246  == 3.2 Example to join LoRaWAN network ==
247 247  
248 248  
... ... @@ -294,6 +294,7 @@
294 294  [[image:1653298044601-602.png||height="405" width="709"]]
295 295  
296 296  
303 +
297 297  == 3.3 Uplink Payload ==
298 298  
299 299  
... ... @@ -439,6 +439,7 @@
439 439  )))
440 440  
441 441  
449 +
442 442  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
443 443  
444 444  
... ... @@ -485,6 +485,7 @@
485 485  )))
486 486  
487 487  
496 +
488 488  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
489 489  
490 490  
... ... @@ -553,6 +553,7 @@
553 553  )))
554 554  
555 555  
565 +
556 556  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
557 557  
558 558  
... ... @@ -600,6 +600,7 @@
600 600  )))
601 601  
602 602  
613 +
603 603  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
604 604  
605 605  
... ... @@ -654,6 +654,7 @@
654 654  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
655 655  
656 656  
668 +
657 657  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
658 658  
659 659  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -714,6 +714,7 @@
714 714  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
715 715  
716 716  
729 +
717 717  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
718 718  
719 719  [[image:image-20220524090456-4.png]]
... ... @@ -727,6 +727,7 @@
727 727  00000101: Means both DI1 and DI2 trigger are enabled.
728 728  
729 729  
743 +
730 730  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
731 731  
732 732  Downlink command to poll MOD6 status:
... ... @@ -736,6 +736,7 @@
736 736  When device got this command, it will send the MOD6 payload.
737 737  
738 738  
753 +
739 739  === 3.3.7 Payload Decoder ===
740 740  
741 741  (((
... ... @@ -745,6 +745,7 @@
745 745  )))
746 746  
747 747  
763 +
748 748  == 3.4 ​Configure LT via AT or Downlink ==
749 749  
750 750  
... ... @@ -758,12 +758,13 @@
758 758  )))
759 759  )))
760 760  
761 -* (% 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]]
777 +* (% 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]]
762 762  
763 -* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
779 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
764 764  
765 765  
766 766  
783 +
767 767  === 3.4.1 Common Commands ===
768 768  
769 769  
... ... @@ -772,8 +772,10 @@
772 772  )))
773 773  
774 774  
792 +
775 775  === 3.4.2 Sensor related commands ===
776 776  
795 +
777 777  ==== 3.4.2.1 Set Transmit Interval ====
778 778  
779 779  
... ... @@ -781,7 +781,7 @@
781 781  
782 782  * (% style="color:#037691" %)**AT Command:**
783 783  
784 -(% style="color:blue" %)**AT+TDC=N **
803 +**AT+TDC=N **
785 785  
786 786  
787 787  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -789,10 +789,11 @@
789 789  
790 790  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
791 791  
792 -(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
811 +**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
793 793  
794 794  
795 795  
815 +
796 796  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
797 797  
798 798  
... ... @@ -800,7 +800,7 @@
800 800  
801 801  * (% style="color:#037691" %)**AT Command:**
802 802  
803 -(% style="color:blue" %)**AT+MOD=N  **
823 +**AT+MOD=N  **
804 804  
805 805  
806 806  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -808,10 +808,11 @@
808 808  
809 809  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
810 810  
811 -(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
831 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
812 812  
813 813  
814 814  
835 +
815 815  ==== 3.4.2.3 Poll an uplink ====
816 816  
817 817  
... ... @@ -822,7 +822,7 @@
822 822  
823 823  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
824 824  
825 -(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
846 +**0x08 FF     **~/~/ Poll an uplink
826 826  
827 827  
828 828  **Example**: 0x08FF, ask device to send an Uplink
... ... @@ -829,6 +829,7 @@
829 829  
830 830  
831 831  
853 +
832 832  ==== 3.4.2.4 Enable Trigger Mode ====
833 833  
834 834  
... ... @@ -836,19 +836,20 @@
836 836  
837 837  * (% style="color:#037691" %)**AT Command:**
838 838  
839 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
861 +**AT+ADDMOD6=1 or 0**
840 840  
841 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
863 +1: Enable Trigger Mode
842 842  
843 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
865 +0: Disable Trigger Mode
844 844  
845 845  
846 846  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
847 847  
848 -(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
870 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
849 849  
850 850  
851 851  
874 +
852 852  ==== 3.4.2.5 Poll trigger settings ====
853 853  
854 854  
... ... @@ -861,10 +861,11 @@
861 861  
862 862  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
863 863  
864 -(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
887 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
865 865  
866 866  
867 867  
891 +
868 868  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
869 869  
870 870  
... ... @@ -872,7 +872,7 @@
872 872  
873 873  * (% style="color:#037691" %)**AT Command:**
874 874  
875 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
899 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
876 876  
877 877  
878 878  **Example:**
... ... @@ -881,10 +881,11 @@
881 881  
882 882  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
883 883  
884 -(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
908 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
885 885  
886 886  
887 887  
912 +
888 888  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
889 889  
890 890  
... ... @@ -892,11 +892,11 @@
892 892  
893 893  * (% style="color:#037691" %)**AT Command:**
894 894  
895 -(% style="color:blue" %)**AT+TRIG1=a,b**
920 +**AT+TRIG1=a,b**
896 896  
897 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
922 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
898 898  
899 -(% style="color:red" %)**b :** (%%)delay timing.
924 +b : delay timing.
900 900  
901 901  
902 902  **Example:**
... ... @@ -905,11 +905,8 @@
905 905  
906 906  
907 907  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
933 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
908 908  
909 -(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
910 -
911 -
912 -
913 913  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
914 914  
915 915  
... ... @@ -917,13 +917,14 @@
917 917  
918 918  * (% style="color:#037691" %)**AT Command:**
919 919  
920 -(% style="color:blue" %)**AT+TRIG2=a,b**
942 +**AT+TRIG2=a,b**
921 921  
922 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
923 923  
924 -(% style="color:red" %)**b :** (%%)delay timing.
945 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
925 925  
947 +b : delay timing.
926 926  
949 +
927 927  **Example:**
928 928  
929 929  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
... ... @@ -931,10 +931,11 @@
931 931  
932 932  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
933 933  
934 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
957 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
935 935  
936 936  
937 937  
961 +
938 938  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
939 939  
940 940  
... ... @@ -942,15 +942,16 @@
942 942  
943 943  * (% style="color:#037691" %)**AT Command**
944 944  
945 -(% style="color:blue" %)**AT+ACLIM**
969 +**AT+ACLIM**
946 946  
947 947  
948 948  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
949 949  
950 -(% 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"]]
974 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
951 951  
952 952  
953 953  
978 +
954 954  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
955 955  
956 956  
... ... @@ -958,15 +958,16 @@
958 958  
959 959  * (% style="color:#037691" %)**AT Command**
960 960  
961 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
986 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
962 962  
963 963  
964 964  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
965 965  
966 -(% 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"]]
991 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
967 967  
968 968  
969 969  
995 +
970 970  ==== 3.4.2.11 Trigger – Set minimum interval ====
971 971  
972 972  
... ... @@ -974,12 +974,12 @@
974 974  
975 975  * (% style="color:#037691" %)**AT Command**
976 976  
977 -(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
1003 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
978 978  
979 979  
980 980  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
981 981  
982 -(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1008 +**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
983 983  
984 984  (((
985 985  
... ... @@ -989,6 +989,7 @@
989 989  
990 990  
991 991  
1018 +
992 992  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
993 993  
994 994  
... ... @@ -998,7 +998,7 @@
998 998  
999 999  
1000 1000  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1001 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1028 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1002 1002  
1003 1003  (((
1004 1004  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -1020,6 +1020,7 @@
1020 1020  
1021 1021  
1022 1022  
1050 +
1023 1023  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1024 1024  
1025 1025  
... ... @@ -1030,7 +1030,7 @@
1030 1030  
1031 1031  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1032 1032  
1033 -(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
1061 +**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1034 1034  
1035 1035  
1036 1036  This is to control the digital output time of DO pin. Include four bytes:
... ... @@ -1063,14 +1063,6 @@
1063 1063  
1064 1064   Latching time. Unit: ms
1065 1065  
1066 -
1067 -(% style="color:red" %)**Note: **
1068 -
1069 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1070 -
1071 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1072 -
1073 -
1074 1074  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1075 1075  
1076 1076  
... ... @@ -1094,9 +1094,10 @@
1094 1094  
1095 1095  
1096 1096  
1097 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1098 1098  
1118 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1099 1099  
1120 +
1100 1100  * (% style="color:#037691" %)**AT Command:**
1101 1101  
1102 1102  There is no AT Command to control Relay Output
... ... @@ -1104,7 +1104,7 @@
1104 1104  
1105 1105  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1106 1106  
1107 -(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1128 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1108 1108  
1109 1109  
1110 1110  (((
... ... @@ -1123,6 +1123,7 @@
1123 1123  
1124 1124  
1125 1125  
1147 +
1126 1126  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1127 1127  
1128 1128  
... ... @@ -1133,7 +1133,7 @@
1133 1133  
1134 1134  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1135 1135  
1136 -(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1158 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1137 1137  
1138 1138  
1139 1139  This is to control the relay output time of relay. Include four bytes:
... ... @@ -1154,20 +1154,12 @@
1154 1154  
1155 1155  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1156 1156  
1157 -
1158 -(% style="color:red" %)**Note:**
1159 -
1160 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1161 -
1162 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1163 -
1164 -
1165 1165  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1166 1166  
1167 1167  
1168 1168  **Example payload:**
1169 1169  
1170 -**~1. 05 01 11 07 D0**
1184 +**~1. 05 01 11 07 D**
1171 1171  
1172 1172  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1173 1173  
... ... @@ -1192,33 +1192,39 @@
1192 1192  
1193 1193  * (% style="color:#037691" %)**AT Command:**
1194 1194  
1195 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1209 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1196 1196  
1197 1197  
1198 1198  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1199 1199  
1200 -(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1214 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1201 1201  
1202 1202  
1203 1203  
1218 +
1204 1204  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1205 1205  
1206 1206  
1207 1207  * (% style="color:#037691" %)**AT Command:**
1208 1208  
1209 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1224 +**AT+SETCNT=aa,(bb cc dd ee) **
1210 1210  
1211 -(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1226 +aa: 1: Set count1,
1212 1212  
1213 -(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1228 +2: Set count2,
1214 1214  
1230 +3: Set AV1 count
1215 1215  
1232 +Bb cc dd ee: number to be set
1233 +
1234 +
1216 1216  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1217 1217  
1218 -(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1237 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1219 1219  
1220 1220  
1221 1221  
1241 +
1222 1222  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1223 1223  
1224 1224  
... ... @@ -1226,104 +1226,114 @@
1226 1226  
1227 1227  * (% style="color:#037691" %)**AT Command:**
1228 1228  
1229 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1249 +**AT+CLRCOUNT ** ~/~/ clear all counting
1230 1230  
1231 1231  
1232 1232  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1233 1233  
1234 -(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1254 +**0x A6 01    ** ~/~/ clear all counting
1235 1235  
1236 1236  
1237 1237  
1258 +
1238 1238  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1239 1239  
1240 1240  
1241 1241  * (% style="color:#037691" %)**AT Command:**
1242 1242  
1243 -(% 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)
1264 +**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1244 1244  
1245 1245  
1246 1246  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1247 1247  
1248 -(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1269 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1249 1249  
1250 1250  (((
1251 1251  range: aa bb cc:0 to 16777215,  (unit:second)
1252 -)))
1253 1253  
1254 1254  
1255 1255  
1256 -==== 3.4.2.20 Reset save RO DO state ====
1276 +
1277 +)))
1257 1257  
1279 +==== 3.4.2.20 Reset save DR DO state ====
1258 1258  
1281 +
1259 1259  * (% style="color:#037691" %)**AT Command:**
1260 1260  
1261 -(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1284 +**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1262 1262  
1263 -(% 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.
1286 +**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.
1264 1264  
1265 1265  
1266 1266  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1267 1267  
1268 -(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1291 +**0x AD aa      **~/~/ same as AT+RODORET =aa
1269 1269  
1293 +(((
1294 +
1270 1270  
1271 1271  
1297 +
1272 1272  ==== 3.4.2.21 Encrypted payload ====
1273 1273  
1274 1274  
1275 1275  * (% style="color:#037691" %)**AT Command:**
1276 1276  
1277 -(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1303 +**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1278 1278  
1279 -(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
1305 +**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1280 1280  
1281 1281  
1282 1282  
1309 +
1283 1283  ==== 3.4.2.22 Get sensor value ====
1284 1284  
1285 1285  
1286 1286  * (% style="color:#037691" %)**AT Command:**
1287 1287  
1288 -(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
1315 +**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1289 1289  
1290 -(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
1317 +**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1291 1291  
1292 1292  
1293 1293  
1321 +
1294 1294  ==== 3.4.2.23 Resets the downlink packet count ====
1295 1295  
1296 1296  
1297 1297  * (% style="color:#037691" %)**AT Command:**
1298 1298  
1299 -(% 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)
1327 +**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)
1300 1300  
1301 -(% 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.
1329 +**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.
1302 1302  
1303 1303  
1304 1304  
1333 +
1305 1305  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1306 1306  
1307 1307  
1308 1308  * (% style="color:#037691" %)**AT Command:**
1309 1309  
1310 -(% 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)
1339 + **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)
1311 1311  
1312 -(% 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.
1341 + **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.
1313 1313  
1314 1314  
1315 1315  * (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1316 1316  
1317 -(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1346 +**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1318 1318  
1319 1319  
1320 1320  
1350 +
1321 1321  ==== 3.4.2.25 Copy downlink to uplink ====
1322 1322  
1323 1323  
1324 1324  * (% style="color:#037691" %)**AT Command**(%%)**:**
1325 1325  
1326 -(% style="color:blue" %)**AT+RPL=5**   (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1356 + **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.
1327 1327  
1328 1328  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.
1329 1329  
... ... @@ -1346,7 +1346,7 @@
1346 1346  * (((
1347 1347  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
1348 1348  
1349 -(% style="color:blue" %)**26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1379 +**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1350 1350  
1351 1351  
1352 1352  )))
... ... @@ -1356,6 +1356,9 @@
1356 1356  [[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"]]
1357 1357  
1358 1358  
1389 +
1390 +)))
1391 +
1359 1359  == 3.5 Integrate with Mydevice ==
1360 1360  
1361 1361  
... ... @@ -1405,8 +1405,10 @@
1405 1405  [[image:image-20220524094909-5.png||height="341" width="734"]]
1406 1406  
1407 1407  
1441 +
1408 1408  == 3.6 Interface Detail ==
1409 1409  
1444 +
1410 1410  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1411 1411  
1412 1412  
... ... @@ -1415,6 +1415,7 @@
1415 1415  [[image:1653356991268-289.png]]
1416 1416  
1417 1417  
1453 +
1418 1418  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1419 1419  
1420 1420  
... ... @@ -1471,6 +1471,8 @@
1471 1471  
1472 1472  (((
1473 1473  
1510 +
1511 +
1474 1474  )))
1475 1475  
1476 1476  (((
... ... @@ -1502,6 +1502,8 @@
1502 1502  
1503 1503  (((
1504 1504  
1543 +
1544 +
1505 1505  )))
1506 1506  
1507 1507  (((
... ... @@ -1532,16 +1532,16 @@
1532 1532  )))
1533 1533  
1534 1534  
1575 +
1535 1535  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1536 1536  
1537 1537  
1538 -**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1579 +NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1539 1539  
1540 -Note: DO pins go to float when device is power off.
1541 -
1542 1542  [[image:1653357531600-905.png]]
1543 1543  
1544 1544  
1584 +
1545 1545  === 3.6.4 Analog Input Interface ===
1546 1546  
1547 1547  
... ... @@ -1573,13 +1573,12 @@
1573 1573  [[image:1653357648330-671.png||height="155" width="733"]]
1574 1574  
1575 1575  
1616 +
1576 1576  === 3.6.5 Relay Output ===
1577 1577  
1578 1578  
1579 1579  (((
1580 -The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
1581 -
1582 -**Note**: RO pins go to Open(NO) when device is power off.
1621 +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:
1583 1583  )))
1584 1584  
1585 1585  [[image:image-20220524100215-9.png]]
... ... @@ -1588,6 +1588,7 @@
1588 1588  [[image:image-20220524100215-10.png||height="382" width="723"]]
1589 1589  
1590 1590  
1630 +
1591 1591  == 3.7 LEDs Indicators ==
1592 1592  
1593 1593  
... ... @@ -1594,8 +1594,10 @@
1594 1594  [[image:image-20220524100748-11.png]]
1595 1595  
1596 1596  
1637 +
1597 1597  = 4. Use AT Command =
1598 1598  
1640 +
1599 1599  == 4.1 Access AT Command ==
1600 1600  
1601 1601  
... ... @@ -1806,8 +1806,10 @@
1806 1806  )))
1807 1807  
1808 1808  
1851 +
1809 1809  == 4.2 Common AT Command Sequence ==
1810 1810  
1854 +
1811 1811  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1812 1812  
1813 1813  (((
... ... @@ -1852,6 +1852,7 @@
1852 1852  )))
1853 1853  
1854 1854  
1899 +
1855 1855  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1856 1856  
1857 1857  (((
... ... @@ -1937,11 +1937,12 @@
1937 1937  
1938 1938  )))
1939 1939  
1985 +
1940 1940  === 4.2.3 Change to Class A ===
1941 1941  
1942 1942  
1943 1943  (((
1944 -(% style="color:blue" %)**If sensor JOINED:**
1990 +(% style="color:blue" %)If sensor JOINED:
1945 1945  
1946 1946  (% style="background-color:#dcdcdc" %)**AT+CLASS=A
1947 1947  ATZ**
... ... @@ -1948,8 +1948,10 @@
1948 1948  )))
1949 1949  
1950 1950  
1997 +
1951 1951  = 5. FAQ =
1952 1952  
2000 +
1953 1953  == 5.1 How to upgrade the image? ==
1954 1954  
1955 1955  
... ... @@ -1993,6 +1993,8 @@
1993 1993  
1994 1994  (((
1995 1995  (((
2044 +
2045 +
1996 1996  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1997 1997  
1998 1998  
... ... @@ -2006,6 +2006,7 @@
2006 2006  (((
2007 2007  
2008 2008  
2059 +
2009 2009  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2010 2010  
2011 2011  
... ... @@ -2021,6 +2021,7 @@
2021 2021  (((
2022 2022  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2023 2023  
2075 +
2024 2024  
2025 2025  )))
2026 2026  )))
... ... @@ -2069,6 +2069,7 @@
2069 2069  [[image:1653360498588-932.png||height="485" width="726"]]
2070 2070  
2071 2071  
2124 +
2072 2072  == 5.4 Can I see counting event in Serial? ==
2073 2073  
2074 2074  
... ... @@ -2076,11 +2076,13 @@
2076 2076  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.
2077 2077  
2078 2078  
2132 +
2079 2079  == 5.5 Can i use point to point communication for LT-22222-L? ==
2080 2080  
2081 2081  
2082 -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]].
2136 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2083 2083  
2138 +
2084 2084  
2085 2085  )))
2086 2086  
... ... @@ -2097,6 +2097,7 @@
2097 2097  After restart, the status before power failure will be read from flash.
2098 2098  
2099 2099  
2155 +
2100 2100  == 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2101 2101  
2102 2102  
... ... @@ -2106,13 +2106,10 @@
2106 2106  [[image:image-20221006170630-1.png||height="610" width="945"]]
2107 2107  
2108 2108  
2109 -== 5.8 Can LT22222-L save RO state? ==
2110 2110  
2111 -
2112 -Firmware version needs to be no less than 1.6.0.
2113 -
2114 -
2115 2115  = 6. Trouble Shooting =
2167 +
2168 +
2116 2116  )))
2117 2117  
2118 2118  (((
... ... @@ -2130,6 +2130,7 @@
2130 2130  (((
2131 2131  
2132 2132  
2186 +
2133 2133  == 6.2 Have trouble to upload image. ==
2134 2134  
2135 2135  
... ... @@ -2142,6 +2142,7 @@
2142 2142  (((
2143 2143  
2144 2144  
2199 +
2145 2145  == 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2146 2146  
2147 2147  
... ... @@ -2152,6 +2152,7 @@
2152 2152  )))
2153 2153  
2154 2154  
2210 +
2155 2155  = 7. Order Info =
2156 2156  
2157 2157  
... ... @@ -2200,6 +2200,7 @@
2200 2200  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]]
2201 2201  
2202 2202  
2259 +
2203 2203  
2204 2204  )))
2205 2205  
... ... @@ -2209,5 +2209,3 @@
2209 2209  * 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]]
2210 2210  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2211 2211  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2212 -
2213 -
image-20221112174847-1.png
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