Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 196.1 >
edited by Dilisi S
on 2024/11/17 06:09
To version < 194.1 >
edited by Dilisi S
on 2024/11/16 00:01
>
Change comment: a few edits on nov 15

Summary

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Content
... ... @@ -277,10 +277,10 @@
277 277  [[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]]
278 278  
279 279  
280 -== 3.3 Working Modes and Uplink Payload formats ==
280 +== 3.3 Work Modes and Uplink Payload formats ==
281 281  
282 282  
283 -The LT-22222-L has 5 **working modes**. It also has an interrupt/trigger mode for different types of applications that can be used together with any working mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
283 +The LT-22222-L has 5 **work modes**. It also has an interrupt/trigger mode for different types of applications that can be used together with any work mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
284 284  
285 285  * (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2ACI + 2AVI + DI + DO + RO
286 286  
... ... @@ -294,7 +294,7 @@
294 294  
295 295  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
296 296  
297 -The uplink messages are sent over LoRaWAN FPort=2. By default, an uplink message is sent every 10 minutes.
297 +The uplink messages are sent over LoRaWAN FPort 2. By default, an uplink message is sent every 10 minutes.
298 298  
299 299  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
300 300  
... ... @@ -303,7 +303,7 @@
303 303  
304 304  The uplink payload is 11 bytes long.
305 305  
306 -(% style="color:red" %)**Note:The maximum count depends on the bytes number of bytes.
306 +(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
307 307  The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
308 308  It starts counting again when it reaches the maximum value.**(% style="display:none" wfd-invisible="true" %)
309 309  
... ... @@ -363,13 +363,9 @@
363 363  * [1] DO2 channel output is LOW, and the DO2 LED is ON.
364 364  * [0] DO1 channel output state:
365 365  ** DO1 is FLOATING when there is no load between DO1 and V+.
366 -** DO1 is HIGH and there is a load between DO1 and V+.
366 +** DO1 is HIGH when there is a load between DO1 and V+.
367 367  ** DO1 LED is OFF in both cases.
368 368  
369 -Reserve = 0
370 -
371 -MOD = 1
372 -
373 373  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
374 374  
375 375  
... ... @@ -625,27 +625,24 @@
625 625  )))
626 626  
627 627  
628 -=== 3.3.6 AT+ADDMOD~=6 (Trigger Mode, Optional) ===
624 +=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
629 629  
630 630  
631 -(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate __alongside__ with other modes.**
627 +(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate together with other modes.**
632 632  
633 -For example, if you configure the following commands:
629 +For example, if you configured the following commands:
634 634  
635 -* **AT+MOD=1 ** **~-~->**  Sets the default working mode
636 -* **AT+ADDMOD6=1**   **~-~->**  Enables trigger mode
631 +* **AT+MOD=1 ** **~-~->**  The default work mode
632 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger mode
637 637  
638 -The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. It will send uplink packets in two cases:
634 +The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. LT will send uplink packets in two cases:
639 639  
640 -1. Periodic uplink: Based on TDC time. The payload is the same as in normal mode (MOD=1 as set above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.
636 +1. Periodically uplink (Based on TDC time). The payload is the same as in normal mode (MOD=1 for the commands above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.
641 641  1. (((
642 -Trigger uplink: sent when a trigger condition is met. In this case, LT will send two packets
643 -
644 -* The first uplink uses the payload specified in trigger mode (MOD=6).
645 -* The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**confirmed uplinks.**
638 +Trigger uplink when the trigger condition is met. LT will send two packets in this case. The first uplink uses the payload specified in trigger mode (MOD=6). The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**confirmed uplinks.**
646 646  )))
647 647  
648 -(% style="color:#037691" %)**AT Commands to set Trigger Conditions**:
641 +(% style="color:#037691" %)**AT Commands to set Trigger Condition**:
649 649  
650 650  (% style="color:#4f81bd" %)**Trigger based on voltage**:
651 651  
... ... @@ -654,9 +654,9 @@
654 654  
655 655  **Example:**
656 656  
657 -AT+AVLIM=3000,6000,0,2000 (triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V)
650 +AT+AVLIM=3000,6000,0,2000   (triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V)
658 658  
659 -AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
652 +AT+AVLIM=5000,0,0,0   (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
660 660  
661 661  
662 662  (% style="color:#4f81bd" %)**Trigger based on current**:
... ... @@ -666,7 +666,7 @@
666 666  
667 667  **Example:**
668 668  
669 -AT+ACLIM=10000,15000,0,0 (triggers an uplink if AC1 current is lower than 10mA or higher than 15mA)
662 +AT+ACLIM=10000,15000,0,0   (triggers an uplink if ACI1 voltage is lower than 10mA or higher than 15mA)
670 670  
671 671  
672 672  (% style="color:#4f81bd" %)**Trigger based on DI status**:
... ... @@ -843,7 +843,6 @@
843 843  
844 844  These commands are specially designed for the LT-22222-L. Commands can be sent to the device using options such as an AT command or a LoRaWAN downlink payload.
845 845  
846 -
847 847  ==== 3.4.2.1 Set Transmit Interval ====
848 848  
849 849  Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes.
... ... @@ -853,7 +853,7 @@
853 853  (% style="width:500px" %)
854 854  |**Command**|AT+TDC<time>
855 855  |**Response**|
856 -|**Parameters**|time : uplink interval is in milliseconds
848 +|**Parameters**|<time> uplink interval is in milliseconds
857 857  |**Example**|(((
858 858  AT+TDC=30000
859 859  
... ... @@ -867,9 +867,9 @@
867 867  <prefix><time>
868 868  )))
869 869  |**Parameters**|(((
870 -prefix : 0x01
862 +<prefix> 0x01
871 871  
872 -time : uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
864 +<time> uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
873 873  )))
874 874  |**Example**|(((
875 875  01 **00 75 30**
... ... @@ -881,181 +881,85 @@
881 881  See [[RapidTables>>https://www.rapidtables.com/convert/number/decimal-to-hex.html?x=30000]]
882 882  )))
883 883  
884 -==== 3.4.2.2 Set the Working Mode (AT+MOD) ====
876 +==== 3.4.2.2 Set the Work Mode (AT+MOD) ====
885 885  
886 -Sets the working mode.
887 887  
888 -(% style="color:#037691" %)**AT command**
879 +Sets the work mode.
889 889  
890 -(% style="width:500px" %)
891 -|(% style="width:97px" %)**Command**|(% style="width:413px" %)AT+MODE<working_mode>
892 -|(% style="width:97px" %)**Response**|(% style="width:413px" %)
893 -|(% style="width:97px" %)**Parameters**|(% style="width:413px" %)(((
894 -working_mode :
881 +* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
895 895  
896 -1 = (Default mode/factory set):  2ACI + 2AVI + DI + DO + RO
883 +Where N is the work mode.
897 897  
898 -2 = Double DI Counting + DO + RO
885 +**Example**: AT+MOD=2. This will set the work mode to Double DI counting mode.
899 899  
900 -3 = Single DI Counting + 2 x ACI + DO + RO
901 901  
902 -4 = Single DI Counting + 1 x Voltage Counting + DO + RO
888 +* (% style="color:#037691" %)**Downlink payload (prefix 0x0A):**
903 903  
904 -5 = Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
890 +(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
905 905  
906 -6 = Trigger Mode, Optional, used together with MOD1 ~~ MOD5
907 -)))
908 -|(% style="width:97px" %)**Example**|(% style="width:413px" %)(((
909 -AT+MOD=2
910 910  
911 -Sets the device to working mode 2 (Double DI Counting + DO + RO)
912 -)))
913 913  
914 -(% class="wikigeneratedid" %)
915 -(% style="color:#037691" %)**Downlink payload**
894 +==== 3.4.2.3 Poll an uplink ====
916 916  
917 -(% style="width:500px" %)
918 -|(% style="width:98px" %)**Payload**|(% style="width:400px" %)<prefix><working_mode>
919 -|(% style="width:98px" %)**Parameters**|(% style="width:400px" %)(((
920 -prefix : 0x0A
896 +Requests the device to send an uplink.
921 921  
922 -working_mode : Working mode, represented by 1 byte in hexadecimal.
923 -)))
924 -|(% style="width:98px" %)**Example**|(% style="width:400px" %)(((
925 -0A **02**
926 926  
927 -Sets the device to working mode 2 (Double DI Counting + DO + RO)
928 -)))
899 +* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
929 929  
930 -==== 3.4.2.3 Poll an uplink ====
901 +* (% style="color:#037691" %)**Downlink payload (prefix 0x08):**
931 931  
932 -Requests an uplink from LT-22222-L.
903 +(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
933 933  
934 -(% style="color:#037691" %)**AT command**
905 +**Example**: 0x08FF, ask device to send an Uplink
935 935  
936 -There is no AT Command to request an uplink from LT-22222-L
937 937  
938 -(% style="color:#037691" %)**Downlink payload**
939 939  
940 -(% style="width:500px" %)
941 -|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix>FF
942 -|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)prefix : 0x08
943 -|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
944 -08 FF
945 -
946 -Requests an uplink from LT-22222-L.
947 -)))
948 -
949 949  ==== 3.4.2.4 Enable/Disable Trigger Mode ====
950 950  
951 -Enable or disable the trigger mode for the current working mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
911 +Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
952 952  
953 -(% style="color:#037691" %)**AT Command**
913 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
954 954  
955 -(% style="width:500px" %)
956 -|(% style="width:95px" %)**Command**|(% style="width:403px" %)AT+ADDMOD6=<enable/disable trigger_mode>
957 -|(% style="width:95px" %)**Response**|(% style="width:403px" %)
958 -|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)(((
959 -enable/disable trigger_mode :
915 +(% style="color:red" %)**1:** (%%)Enable the trigger mode
960 960  
961 -1 = enable trigger mode
917 +(% style="color:red" %)**0: **(%%)Disable the trigger mode
962 962  
963 -0 = disable trigger mode
964 -)))
965 -|(% style="width:95px" %)**Example**|(% style="width:403px" %)(((
966 -AT+ADDMOD6=1
967 967  
968 -Enable trigger mode for the current working mode
969 -)))
920 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
970 970  
971 -(% style="color:#037691" %)**Downlink payload**
922 +(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
972 972  
973 -(% style="width:500px" %)
974 -|(% style="width:97px" %)**Payload**|(% style="width:401px" %)<prefix><enable/disable trigger_mode>
975 -|(% style="width:97px" %)**Parameters**|(% style="width:401px" %)(((
976 -prefix : 0x0A 06
977 977  
978 -working mode : enable (1) or disable (0), represented by 1 byte in hexadecimal.
979 -)))
980 -|(% style="width:97px" %)**Example**|(% style="width:401px" %)(((
981 -0A 06 **01**
982 982  
983 -Enable trigger mode for the current working mode
984 -)))
985 -
986 986  ==== 3.4.2.5 Poll trigger settings ====
987 987  
988 988  Polls the trigger settings.
989 989  
990 -(% style="color:#037691" %)**AT Command:**
930 +* (% style="color:#037691" %)**AT Command:**
991 991  
992 992  There is no AT Command for this feature.
993 993  
994 -(% style="color:#037691" %)**Downlink Payload**
934 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
995 995  
996 -(% style="width:500px" %)
997 -|(% style="width:95px" %)**Payload**|(% style="width:403px" %)<prefix>
998 -|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)prefix : AB 06
999 -|(% style="width:95px" %)**Example**|(% style="width:403px" %)(((
1000 -AB 06
936 +(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll the trigger settings. Device will uplink trigger settings once receive this command
1001 1001  
1002 -Uplinks the trigger settings.
1003 -)))
1004 1004  
1005 -==== 3.4.2.6 Enable/Disable DI1/DI2 as a trigger ====
1006 1006  
1007 -Enable or disable DI1/DI2 as a trigger.
940 +==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as a trigger ====
1008 1008  
1009 -(% style="color:#037691" %)**AT Command**
942 +Enable or disable DI1/DI2/DI2 as a trigger.
1010 1010  
1011 -(% style="width:500px" %)
1012 -|(% style="width:98px" %)Command|(% style="width:400px" %)AT+DTRI=<DI1_trigger><DI2_trigger>
1013 -|(% style="width:98px" %)Response|(% style="width:400px" %)
1014 -|(% style="width:98px" %)Parameters|(% style="width:400px" %)(((
1015 -DI1_trigger:
944 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
1016 1016  
1017 -1 = enable DI1 trigger
946 +**Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
1018 1018  
1019 -0 = disable DI1 trigger
1020 1020  
1021 -DI2 _trigger
949 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
1022 1022  
1023 -1 = enable DI2 trigger
951 +(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
1024 1024  
1025 -0 = disable DI2 trigger
1026 -)))
1027 -|(% style="width:98px" %)Example|(% style="width:400px" %)(((
1028 -AT+DTRI=1,0
1029 1029  
1030 -Enable DI1 trigger, disable DI2 trigger
1031 -)))
1032 1032  
1033 -(% class="wikigeneratedid" %)
1034 -(% style="color:#037691" %)**Downlink Payload**
1035 -
1036 -(% style="width:500px" %)
1037 -|(% style="width:101px" %)Payload|(% style="width:397px" %)<prefix><DI1_trigger><DI2_trigger>
1038 -|(% style="width:101px" %)Parameters|(% style="width:397px" %)(((
1039 -prefix : AA 02
1040 -
1041 -DI1_trigger:
1042 -
1043 -1 = enable DI1 trigger, represented by 1 byte in hexadecimal.
1044 -
1045 -0 = disable DI1 trigger, represented by 1 byte in hexadecimal.
1046 -
1047 -DI2 _trigger
1048 -
1049 -1 = enable DI2 trigger, represented by 1 byte in hexadecimal.
1050 -
1051 -0 = disable DI2 trigger, represented by 1 byte in hexadecimal.
1052 -)))
1053 -|(% style="width:101px" %)Example|(% style="width:397px" %)(((
1054 -AA 02 **01 00**
1055 -
1056 -Enable DI1 trigger, disable DI2 trigger
1057 -)))
1058 -
1059 1059  ==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ====
1060 1060  
1061 1061  Sets DI1 or DI3 (for LT-33222-L) as a trigger.
... ... @@ -1074,13 +1074,6 @@
1074 1074  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
1075 1075  
1076 1076  
1077 -(% style="width:500px" %)
1078 -|(% style="width:101px" %)Command|(% style="width:397px" %)
1079 -|(% style="width:101px" %)Response|(% style="width:397px" %)
1080 -|(% style="width:101px" %)Parameters|(% style="width:397px" %)
1081 -|(% style="width:101px" %)Example|(% style="width:397px" %)
1082 -
1083 -
1084 1084  ==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ====
1085 1085  
1086 1086  Sets DI2 as a trigger.
... ... @@ -1091,7 +1091,7 @@
1091 1091  
1092 1092  (% style="color:red" %)**b :** (%%)delay timing.
1093 1093  
1094 -**Example:** AT+TRIG2=0,100 (Set the DI1 port to trigger on a falling edge; the valid signal duration is 100 ms)
983 +**Example:** AT+TRIG2=0,100 (set DI1 port to trigger on low level, valid signal is 100ms )
1095 1095  
1096 1096  
1097 1097  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
... ... @@ -1099,35 +1099,6 @@
1099 1099  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
1100 1100  
1101 1101  
1102 -(% style="color:#037691" %)**AT Command**
1103 -
1104 -(% style="width:500px" %)
1105 -|(% style="width:94px" %)Command|(% style="width:404px" %)AT+TRIG=<interrupt_mode><minimum_signal_duration>
1106 -|(% style="width:94px" %)Response|(% style="width:404px" %)
1107 -|(% style="width:94px" %)Parameters|(% style="width:404px" %)(((
1108 -interrupt_mode :  0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
1109 -
1110 -minimum_signal_duration : the **minimum signal duration** required for the DI1 port to recognize a valid trigger.
1111 -)))
1112 -|(% style="width:94px" %)Example|(% style="width:404px" %)(((
1113 -AT+TRIG2=0,100
1114 -
1115 -Set the DI1 port to trigger on a falling edge; the valid signal duration is 100 ms.
1116 -)))
1117 -
1118 -(% style="color:#037691" %)**Downlink Payload**
1119 -
1120 -(% style="width:500px" %)
1121 -|(% style="width:96px" %)Payload|(% style="width:402px" %)<prefix><interrupt_mode><minimum_signal_duration>
1122 -|(% style="width:96px" %)Parameters|(% style="width:402px" %)(((
1123 -prefix : 09 02
1124 -
1125 -interrupt_mode : 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1), represented by 1 byte in hexadecimal.
1126 -
1127 -<minimum_signal_duration>, represented two bytes in hexadecimal
1128 -)))
1129 -|(% style="width:96px" %)Example|(% style="width:402px" %)09 02 **00 00 64**
1130 -
1131 1131  ==== 3.4.2.9 Trigger – Set AC (current) as a trigger ====
1132 1132  
1133 1133  Sets the current trigger based on the AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -1139,20 +1139,7 @@
1139 1139  (% 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"]]
1140 1140  
1141 1141  
1142 -(% style="width:500px" %)
1143 -|(% style="width:104px" %)Command|(% style="width:394px" %)AT+ACLIM
1144 -|(% style="width:104px" %)Response|(% style="width:394px" %)
1145 -|(% style="width:104px" %)Parameters|(% style="width:394px" %)-
1146 -|(% style="width:104px" %)Example|(% style="width:394px" %)AT+ACLIM
1147 1147  
1148 -
1149 -
1150 -(% style="width:500px" %)
1151 -|(% style="width:104px" %)Payload|(% style="width:394px" %)<prefix>
1152 -|(% style="width:104px" %)Parameters|(% style="width:394px" %)prefix : AA 01
1153 -|(% style="width:104px" %)Example|(% style="width:394px" %)AA 01 aa bb cc dd ee ff gg hh
1154 -
1155 -
1156 1156  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
1157 1157  
1158 1158  Sets the current trigger based on the AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]

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