Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 194.1 >
edited by Dilisi S
on 2024/11/16 00:01
To version < 199.1 >
edited by Dilisi S
on 2024/11/17 20:25
>
Change comment: Nov 17 edits - set 2

Summary

Details

Page properties
Content
... ... @@ -23,6 +23,10 @@
23 23  
24 24  (((
25 25  (((
26 +{{info}}
27 +**This manual is also applicable to the LT-33222-L.**
28 +{{/info}}
29 +
26 26  The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs.
27 27  
28 28  The LT-22222-L I/O Controller simplifies and enhances I/O monitoring and controlling. It is ideal for professional applications in wireless sensor networks, including irrigation systems, smart metering, smart cities, building automation, and more. These controllers are designed for easy, cost-effective deployment using LoRa wireless technology.
... ... @@ -111,7 +111,7 @@
111 111  * Smart cities
112 112  * Smart factory
113 113  
114 -= 2. Assembling the device =
118 +== 2. Assembling the device ==
115 115  
116 116  == 2.1 Connecting the antenna ==
117 117  
... ... @@ -277,10 +277,10 @@
277 277  [[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]]
278 278  
279 279  
280 -== 3.3 Work Modes and Uplink Payload formats ==
284 +== 3.3 Working Modes and Uplink Payload formats ==
281 281  
282 282  
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.
287 +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.
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.
301 +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 it is.
310 +(% style="color:red" %)**Note:The maximum count depends on the bytes number of bytes.
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  
... ... @@ -363,9 +363,13 @@
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 when there is a load between DO1 and V+.
370 +** DO1 is HIGH and there is a load between DO1 and V+.
367 367  ** DO1 LED is OFF in both cases.
368 368  
373 +Reserve = 0
374 +
375 +MOD = 1
376 +
369 369  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
370 370  
371 371  
... ... @@ -621,24 +621,27 @@
621 621  )))
622 622  
623 623  
624 -=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
632 +=== 3.3.6 AT+ADDMOD~=6 (Trigger Mode, Optional) ===
625 625  
626 626  
627 -(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate together with other modes.**
635 +(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate __alongside__ with other modes.**
628 628  
629 -For example, if you configured the following commands:
637 +For example, if you configure the following commands:
630 630  
631 -* **AT+MOD=1 ** **~-~->**  The default work mode
632 -* **AT+ADDMOD6=1**   **~-~->**  Enable trigger mode
639 +* **AT+MOD=1 ** **~-~->**  Sets the default working mode
640 +* **AT+ADDMOD6=1**   **~-~->**  Enables trigger mode
633 633  
634 -The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. LT will send uplink packets in two cases:
642 +The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. It will send uplink packets in two cases:
635 635  
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.
644 +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.
637 637  1. (((
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 +Trigger uplink: sent when a trigger condition is met. In this case, LT will send two packets
647 +
648 +* The first uplink uses the payload specified in trigger mode (MOD=6).
649 +* The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**confirmed uplinks.**
639 639  )))
640 640  
641 -(% style="color:#037691" %)**AT Commands to set Trigger Condition**:
652 +(% style="color:#037691" %)**AT Commands to set Trigger Conditions**:
642 642  
643 643  (% style="color:#4f81bd" %)**Trigger based on voltage**:
644 644  
... ... @@ -647,9 +647,9 @@
647 647  
648 648  **Example:**
649 649  
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)
661 +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)
651 651  
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)
663 +AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
653 653  
654 654  
655 655  (% style="color:#4f81bd" %)**Trigger based on current**:
... ... @@ -659,7 +659,7 @@
659 659  
660 660  **Example:**
661 661  
662 -AT+ACLIM=10000,15000,0,0   (triggers an uplink if ACI1 voltage is lower than 10mA or higher than 15mA)
673 +AT+ACLIM=10000,15000,0,0 (triggers an uplink if AC1 current is lower than 10mA or higher than 15mA)
663 663  
664 664  
665 665  (% style="color:#4f81bd" %)**Trigger based on DI status**:
... ... @@ -779,9 +779,9 @@
779 779  
780 780  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
781 781  
782 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
783 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
784 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
793 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:674px" %)
794 +|(% style="width:64px" %)**bit 7**|(% style="width:68px" %)**bit 6**|(% style="width:63px" %)**bit 5**|(% style="width:66px" %)**bit 4**|(% style="width:109px" %)**bit 3**|(% style="width:93px" %)**bit 2**|(% style="width:109px" %)**bit 1**|(% style="width:99px" %)**bit 0**
795 +|(% style="width:64px" %)N/A|(% style="width:68px" %)N/A|(% style="width:63px" %)N/A|(% style="width:66px" %)N/A|(% style="width:109px" %)DI2_STATUS|(% style="width:93px" %)DI2_FLAG|(% style="width:109px" %)DI1_STATUS|(% style="width:99px" %)DI1_FLAG
785 785  
786 786  * Each bits shows which status has been triggered on this uplink.
787 787  
... ... @@ -836,6 +836,7 @@
836 836  
837 837  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.
838 838  
850 +
839 839  ==== 3.4.2.1 Set Transmit Interval ====
840 840  
841 841  Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes.
... ... @@ -842,10 +842,10 @@
842 842  
843 843  (% style="color:#037691" %)**AT command**
844 844  
845 -(% style="width:500px" %)
846 -|**Command**|AT+TDC<time>
857 +(% border="2" style="width:500px" %)
858 +|**Command**|AT+TDC=<time>
847 847  |**Response**|
848 -|**Parameters**|<time> uplink interval is in milliseconds
860 +|**Parameters**|**time** : uplink interval is in milliseconds
849 849  |**Example**|(((
850 850  AT+TDC=30000
851 851  
... ... @@ -854,14 +854,14 @@
854 854  
855 855  (% style="color:#037691" %)**Downlink payload**
856 856  
857 -(% style="width:500px" %)
869 +(% border="2" style="width:500px" %)
858 858  |**Payload**|(((
859 859  <prefix><time>
860 860  )))
861 861  |**Parameters**|(((
862 -<prefix> 0x01
874 +**prefix** : 0x01
863 863  
864 -<time> uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
876 +**time** : uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
865 865  )))
866 866  |**Example**|(((
867 867  01 **00 75 30**
... ... @@ -873,85 +873,181 @@
873 873  See [[RapidTables>>https://www.rapidtables.com/convert/number/decimal-to-hex.html?x=30000]]
874 874  )))
875 875  
876 -==== 3.4.2.2 Set the Work Mode (AT+MOD) ====
888 +==== 3.4.2.2 Set the Working Mode (AT+MOD) ====
877 877  
890 +Sets the working mode.
878 878  
879 -Sets the work mode.
892 +(% style="color:#037691" %)**AT command**
880 880  
881 -* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
894 +(% border="2" style="width:500px" %)
895 +|(% style="width:97px" %)**Command**|(% style="width:413px" %)AT+MODE=<working_mode>
896 +|(% style="width:97px" %)**Response**|(% style="width:413px" %)
897 +|(% style="width:97px" %)**Parameters**|(% style="width:413px" %)(((
898 +**working_mode** :
882 882  
883 -Where N is the work mode.
900 +1 = (Default mode/factory set):  2ACI + 2AVI + DI + DO + RO
884 884  
885 -**Example**: AT+MOD=2. This will set the work mode to Double DI counting mode.
902 +2 = Double DI Counting + DO + RO
886 886  
904 +3 = Single DI Counting + 2 x ACI + DO + RO
887 887  
888 -* (% style="color:#037691" %)**Downlink payload (prefix 0x0A):**
906 +4 = Single DI Counting + 1 x Voltage Counting + DO + RO
889 889  
890 -(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
908 +5 = Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
891 891  
910 +6 = Trigger Mode, Optional, used together with MOD1 ~~ MOD5
911 +)))
912 +|(% style="width:97px" %)**Example**|(% style="width:413px" %)(((
913 +AT+MOD=2
892 892  
915 +Sets the device to working mode 2 (Double DI Counting + DO + RO)
916 +)))
893 893  
894 -==== 3.4.2.3 Poll an uplink ====
918 +(% class="wikigeneratedid" %)
919 +(% style="color:#037691" %)**Downlink payload**
895 895  
896 -Requests the device to send an uplink.
921 +(% border="2" style="width:500px" %)
922 +|(% style="width:98px" %)**Payload**|(% style="width:400px" %)<prefix><working_mode>
923 +|(% style="width:98px" %)**Parameters**|(% style="width:400px" %)(((
924 +**prefix** : 0x0A
897 897  
926 +**working_mode** : Working mode, represented by 1 byte in hexadecimal.
927 +)))
928 +|(% style="width:98px" %)**Example**|(% style="width:400px" %)(((
929 +0A **02**
898 898  
899 -* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
931 +Sets the device to working mode 2 (Double DI Counting + DO + RO)
932 +)))
900 900  
901 -* (% style="color:#037691" %)**Downlink payload (prefix 0x08):**
934 +==== 3.4.2.3 Poll an uplink ====
902 902  
903 -(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
936 +Requests an uplink from LT-22222-L.
904 904  
905 -**Example**: 0x08FF, ask device to send an Uplink
938 +(% style="color:#037691" %)**AT command**
906 906  
940 +There is no AT Command to request an uplink from LT-22222-L
907 907  
942 +(% style="color:#037691" %)**Downlink payload**
908 908  
944 +(% border="2" style="width:500px" %)
945 +|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix>FF
946 +|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)**prefix** : 0x08
947 +|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
948 +08 FF
949 +
950 +Requests an uplink from LT-22222-L.
951 +)))
952 +
909 909  ==== 3.4.2.4 Enable/Disable Trigger Mode ====
910 910  
911 -Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
955 +Enable or disable the trigger mode for the current working mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
912 912  
913 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
957 +(% style="color:#037691" %)**AT Command**
914 914  
915 -(% style="color:red" %)**1:** (%%)Enable the trigger mode
959 +(% border="2" style="width:500px" %)
960 +|(% style="width:95px" %)**Command**|(% style="width:403px" %)AT+ADDMOD6=<enable/disable trigger_mode>
961 +|(% style="width:95px" %)**Response**|(% style="width:403px" %)
962 +|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)(((
963 +**enable/disable trigger_mode** :
916 916  
917 -(% style="color:red" %)**0: **(%%)Disable the trigger mode
965 +1 = enable trigger mode
918 918  
967 +0 = disable trigger mode
968 +)))
969 +|(% style="width:95px" %)**Example**|(% style="width:403px" %)(((
970 +AT+ADDMOD6=1
919 919  
920 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
972 +Enable trigger mode for the current working mode
973 +)))
921 921  
922 -(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
975 +(% style="color:#037691" %)**Downlink payload**
923 923  
977 +(% border="2" style="width:500px" %)
978 +|(% style="width:97px" %)**Payload**|(% style="width:401px" %)<prefix><enable/disable trigger_mode>
979 +|(% style="width:97px" %)**Parameters**|(% style="width:401px" %)(((
980 +**prefix** : 0x0A 06
924 924  
982 +**working mode** : enable (1) or disable (0), represented by 1 byte in hexadecimal.
983 +)))
984 +|(% style="width:97px" %)**Example**|(% style="width:401px" %)(((
985 +0A 06 **01**
925 925  
987 +Enable trigger mode for the current working mode
988 +)))
989 +
926 926  ==== 3.4.2.5 Poll trigger settings ====
927 927  
928 928  Polls the trigger settings.
929 929  
930 -* (% style="color:#037691" %)**AT Command:**
994 +(% style="color:#037691" %)**AT Command:**
931 931  
932 932  There is no AT Command for this feature.
933 933  
934 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
998 +(% style="color:#037691" %)**Downlink Payload**
935 935  
936 -(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll the trigger settings. Device will uplink trigger settings once receive this command
1000 +(% border="2" style="width:500px" %)
1001 +|(% style="width:95px" %)**Payload**|(% style="width:403px" %)<prefix>
1002 +|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)**prefix **: AB 06
1003 +|(% style="width:95px" %)**Example**|(% style="width:403px" %)(((
1004 +AB 06
937 937  
1006 +Uplinks the trigger settings.
1007 +)))
938 938  
1009 +==== 3.4.2.6 Enable/Disable DI1/DI2/DI3 as a trigger ====
939 939  
940 -==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as a trigger ====
1011 +Enable or disable DI1/DI2/DI3 as a trigger.
941 941  
942 -Enable or disable DI1/DI2/DI2 as a trigger.
1013 +(% style="color:#037691" %)**AT Command**
943 943  
944 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
1015 +(% border="2" style="width:500px" %)
1016 +|(% style="width:98px" %)**Command**|(% style="width:400px" %)AT+DTRI=<DI1_trigger>,<DI2_trigger>
1017 +|(% style="width:98px" %)**Response**|(% style="width:400px" %)
1018 +|(% style="width:98px" %)**Parameters**|(% style="width:400px" %)(((
1019 +**DI1_trigger:**
945 945  
946 -**Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
1021 +1 = enable DI1 trigger
947 947  
1023 +0 = disable DI1 trigger
948 948  
949 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
1025 +**DI2 _trigger**
950 950  
951 -(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
1027 +1 = enable DI2 trigger
952 952  
1029 +0 = disable DI2 trigger
1030 +)))
1031 +|(% style="width:98px" %)**Example**|(% style="width:400px" %)(((
1032 +AT+DTRI=1,0
953 953  
1034 +Enable DI1 trigger, disable DI2 trigger
1035 +)))
954 954  
1037 +(% class="wikigeneratedid" %)
1038 +(% style="color:#037691" %)**Downlink Payload**
1039 +
1040 +(% border="2" style="width:500px" %)
1041 +|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix><DI1_trigger><DI2_trigger>
1042 +|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
1043 +**prefix :** AA 02
1044 +
1045 +**DI1_trigger:**
1046 +
1047 +1 = enable DI1 trigger, represented by 1 byte in hexadecimal.
1048 +
1049 +0 = disable DI1 trigger, represented by 1 byte in hexadecimal.
1050 +
1051 +**DI2 _trigger**
1052 +
1053 +1 = enable DI2 trigger, represented by 1 byte in hexadecimal.
1054 +
1055 +0 = disable DI2 trigger, represented by 1 byte in hexadecimal.
1056 +)))
1057 +|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
1058 +AA 02 **01 00**
1059 +
1060 +Enable DI1 trigger, disable DI2 trigger
1061 +)))
1062 +
955 955  ==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ====
956 956  
957 957  Sets DI1 or DI3 (for LT-33222-L) as a trigger.
... ... @@ -970,6 +970,40 @@
970 970  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
971 971  
972 972  
1081 +(% style="color:#037691" %)**AT Command**
1082 +
1083 +(% border="2" style="width:500px" %)
1084 +|(% style="width:101px" %)**Command**|(% style="width:397px" %)AT+TRIG1=<interrupt_mode>,<minimum_signal_duration>
1085 +|(% style="width:101px" %)**Response**|(% style="width:397px" %)
1086 +|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
1087 +**interrupt_mode** :  0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
1088 +
1089 +**minimum_signal_duration** : the **minimum signal duration** required for the DI1 port to recognize a valid trigger.
1090 +)))
1091 +|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
1092 +AT+TRIG1=1,100
1093 +
1094 +Set the DI1 port to trigger on a rising edge; the valid signal duration is 100 ms.
1095 +)))
1096 +
1097 +(% class="wikigeneratedid" %)
1098 +(% style="color:#037691" %)**Downlink Payload**
1099 +
1100 +(% border="2" style="width:500px" %)
1101 +|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix><interrupt_mode><minimum_signal_duration>
1102 +|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
1103 +**prefix** : 09 01
1104 +
1105 +**interrupt_mode** : 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1), represented by 1 byte in hexadecimal.
1106 +
1107 +**minimum_signal_duration** : in milliseconds, represented two bytes in hexadecimal.
1108 +)))
1109 +|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
1110 +09 01 **01 00 64**
1111 +
1112 +Set the DI1 port to trigger on a rising edge; the valid signal duration is 100 ms.
1113 +)))
1114 +
973 973  ==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ====
974 974  
975 975  Sets DI2 as a trigger.
... ... @@ -980,7 +980,7 @@
980 980  
981 981  (% style="color:red" %)**b :** (%%)delay timing.
982 982  
983 -**Example:** AT+TRIG2=0,100 (set DI1 port to trigger on low level, valid signal is 100ms )
1125 +**Example:** AT+TRIG2=0,100 (Set the DI1 port to trigger on a falling edge; the valid signal duration is 100 ms)
984 984  
985 985  
986 986  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
... ... @@ -988,9 +988,38 @@
988 988  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
989 989  
990 990  
1133 +(% style="color:#037691" %)**AT Command**
1134 +
1135 +(% border="2" style="width:500px" %)
1136 +|(% style="width:94px" %)**Command**|(% style="width:404px" %)AT+TRIG2=<interrupt_mode>,<minimum_signal_duration>
1137 +|(% style="width:94px" %)**Response**|(% style="width:404px" %)
1138 +|(% style="width:94px" %)**Parameters**|(% style="width:404px" %)(((
1139 +**interrupt_mode **:  0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
1140 +
1141 +**minimum_signal_duration** : the **minimum signal duration** required for the DI1 port to recognize a valid trigger.
1142 +)))
1143 +|(% style="width:94px" %)**Example**|(% style="width:404px" %)(((
1144 +AT+TRIG2=0,100
1145 +
1146 +Set the DI1 port to trigger on a falling edge; the valid signal duration is 100 ms.
1147 +)))
1148 +
1149 +(% style="color:#037691" %)**Downlink Payload**
1150 +
1151 +(% border="2" style="width:500px" %)
1152 +|(% style="width:96px" %)**Payload**|(% style="width:402px" %)<prefix><interrupt_mode><minimum_signal_duration>
1153 +|(% style="width:96px" %)**Parameters**|(% style="width:402px" %)(((
1154 +**prefix** : 09 02
1155 +
1156 +**interrupt_mode **: 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1), represented by 1 byte in hexadecimal.
1157 +
1158 +**minimum_signal_duration** : in milliseconds, represented two bytes in hexadecimal
1159 +)))
1160 +|(% style="width:96px" %)**Example**|(% style="width:402px" %)09 02 **00 00 64**
1161 +
991 991  ==== 3.4.2.9 Trigger – Set AC (current) as a trigger ====
992 992  
993 -Sets the current trigger based on the AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1164 +Sets the current trigger based on the AC port. See also [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
994 994  
995 995  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
996 996  
... ... @@ -998,11 +998,52 @@
998 998  
999 999  (% 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"]]
1000 1000  
1172 +(% style="color:#037691" %)**AT Command**
1001 1001  
1174 +(% border="2" style="width:500px" %)
1175 +|(% style="width:104px" %)**Command**|(% style="width:394px" %)(((
1176 +AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
1177 +)))
1178 +|(% style="width:104px" %)**Response**|(% style="width:394px" %)
1179 +|(% style="width:104px" %)**Parameters**|(% style="width:394px" %)(((
1180 +**AC1_LIMIT_LOW** : lower limit of the current to be checked / threshold
1002 1002  
1182 +**AC1_LIMIT_HIGH **: higher limit of the current to be checked / threshold
1183 +
1184 +**AC2_LIMIT_HIGH **: lower limit of the current to be checked / threshold
1185 +
1186 +**AC2_LIMIT_LOW** : higher limit of the current to be checked / threshold
1187 +)))
1188 +|(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
1189 +AT+ACLIM=10000,15000,0,0
1190 +
1191 +Triggers an uplink if AC1 current is lower than 10mA or higher than 15mA
1192 +)))
1193 +
1194 +(% style="color:#037691" %)**Downlink Payload**
1195 +
1196 +(% border="2" style="width:500px" %)
1197 +|(% style="width:104px" %)**Payload**|(% style="width:394px" %)<prefix><AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
1198 +|(% style="width:104px" %)**Parameters**|(% style="width:394px" %)(((
1199 +**prefix **: AA 01 - two bytes in hexadecimal
1200 +
1201 +**AC1_LIMIT_LOW** : lower limit of the current to be checked / threshold, two bytes in hexadecimal
1202 +
1203 +**AC1_LIMIT_HIGH **: higher limit of the current to be checked / threshold, two bytes in hexadecimal
1204 +
1205 +**AC2_LIMIT_HIGH **: lower limit of the current to be checked / threshold, two bytes in hexadecimal
1206 +
1207 +**AC2_LIMIT_LOW** : higher limit of the current to be checked / threshold, two bytes in hexadecimal
1208 +)))
1209 +|(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
1210 +AA 01 **27** **10 3A** **98** 00 00 00 00
1211 +
1212 +Triggers an uplink if AC1 current is lower than 10mA or higher than 15mA. Set all values to zero for AC2 limits because we are only checking AC1 limits.
1213 +)))
1214 +
1003 1003  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
1004 1004  
1005 -Sets the current trigger based on the AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1217 +Sets the current trigger based on the AV port. See also [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1006 1006  
1007 1007  * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1008 1008  
... ... @@ -1011,6 +1011,22 @@
1011 1011  (% 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"]]
1012 1012  
1013 1013  
1226 +(% border="2" style="width:500px" %)
1227 +|(% style="width:104px" %)Command|(% style="width:387px" %)AT+AVLIM= AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
1228 +|(% style="width:104px" %)Response|(% style="width:387px" %)
1229 +|(% style="width:104px" %)Parameters|(% style="width:387px" %)(((
1230 +**AC1_LIMIT_LOW** : lower limit of the current to be checked / threshold, two bytes in hexadecimal
1231 +
1232 +**AC1_LIMIT_HIGH **: higher limit of the current to be checked / threshold, two bytes in hexadecimal
1233 +
1234 +**AC2_LIMIT_HIGH **: lower limit of the current to be checked / threshold, two bytes in hexadecimal
1235 +
1236 +**AC2_LIMIT_LOW** : higher limit of the current to be checked / threshold, two bytes in hexadecimal
1237 +)))
1238 +|(% style="width:104px" %)Example|(% style="width:387px" %)
1239 +
1240 +
1241 +
1014 1014  ==== 3.4.2.11 Trigger – Set minimum interval ====
1015 1015  
1016 1016  Sets AV and AC trigger minimum interval. Device won't response to the second trigger within this set time after the first trigger.
... ... @@ -1526,10 +1526,10 @@
1526 1526  
1527 1527  == 3.6 Interface Details ==
1528 1528  
1529 -=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1757 +=== 3.6.1 Digital Input Ports: DI1/DI2/DI3 (For LT-33222-L, Low Active ) ===
1530 1530  
1531 1531  
1532 -Support NPN-type sensor
1760 +Supports NPN-type sensors.
1533 1533  
1534 1534  [[image:1653356991268-289.png]]
1535 1535  

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