Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
Summary
-
Page properties (1 modified, 0 added, 0 removed)
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. ... ... @@ -111,8 +111,9 @@ 111 111 * Smart cities 112 112 * Smart factory 113 113 114 -= 2. Assembling the device = 115 115 119 +== 2. Assembling the device == 120 + 116 116 == 2.1 Connecting the antenna == 117 117 118 118 Connect the LoRa antenna to the antenna connector, **ANT**,** **located on the top right side of the device, next to the upper screw terminal block. Secure the antenna by tightening it clockwise. ... ... @@ -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 == 285 +== 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. 288 +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 302 +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 itis.311 +(% 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+.371 +** DO1 is HIGH and there is a load between DO1 and V+. 367 367 ** DO1 LED is OFF in both cases. 368 368 374 +Reserve = 0 375 + 376 +MOD = 1 377 + 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) ===633 +=== 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 togetherwith other modes.**636 +(% 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 configure dthe following commands:638 +For example, if you configure the following commands: 630 630 631 -* **AT+MOD=1 ** **~-~->** The default work mode632 -* **AT+ADDMOD6=1** **~-~->** Enable trigger mode 640 +* **AT+MOD=1 ** **~-~->** Sets the default working mode 641 +* **AT+ADDMOD6=1** **~-~->** Enables trigger mode 633 633 634 -The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. LTwill send uplink packets in two cases:643 +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. Periodic allyuplink(Based on TDC time).for the commands above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.645 +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.** 647 +Trigger uplink: sent when a trigger condition is met. In this case, LT will send two packets 648 + 649 +* The first uplink uses the payload specified in trigger mode (MOD=6). 650 +* 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**: 653 +(% 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 662 +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=5000,0,0,0 664 +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 I1voltage is lower than 10mA or higher than 15mA)674 +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**: ... ... @@ -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. 838 838 851 + 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. ... ... @@ -845,7 +845,7 @@ 845 845 (% style="width:500px" %) 846 846 |**Command**|AT+TDC<time> 847 847 |**Response**| 848 -|**Parameters**| <time>uplink interval is in milliseconds861 +|**Parameters**|time : uplink interval is in milliseconds 849 849 |**Example**|((( 850 850 AT+TDC=30000 851 851 ... ... @@ -859,9 +859,9 @@ 859 859 <prefix><time> 860 860 ))) 861 861 |**Parameters**|((( 862 - <prefix>0x01875 +prefix : 0x01 863 863 864 - <time>uplink interval is in milliseconds, represented by 3 bytes in hexadecimal.877 +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) ==== 889 +==== 3.4.2.2 Set the Working Mode (AT+MOD) ==== 877 877 891 +Sets the working mode. 878 878 879 - Setstheworkmode.893 +(% style="color:#037691" %)**AT command** 880 880 881 -* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N ** 895 +(% style="width:500px" %) 896 +|(% style="width:97px" %)**Command**|(% style="width:413px" %)AT+MODE<working_mode> 897 +|(% style="width:97px" %)**Response**|(% style="width:413px" %) 898 +|(% style="width:97px" %)**Parameters**|(% style="width:413px" %)((( 899 +working_mode : 882 882 883 - WhereNis theworkmode.901 +1 = (Default mode/factory set): 2ACI + 2AVI + DI + DO + RO 884 884 885 - **Example**:AT+MOD=2.This will set the work mode toDouble DIcountingmode.903 +2 = Double DI Counting + DO + RO 886 886 905 +3 = Single DI Counting + 2 x ACI + DO + RO 887 887 888 - *(% style="color:#037691"%)**Downlinkpayload (prefix0x0A):**907 +4 = Single DI Counting + 1 x Voltage Counting + DO + RO 889 889 890 - (%style="color:blue"%)**0x0Aaa**(%%)****~/~/Sameas AT+MOD=aa909 +5 = Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 891 891 911 +6 = Trigger Mode, Optional, used together with MOD1 ~~ MOD5 912 +))) 913 +|(% style="width:97px" %)**Example**|(% style="width:413px" %)((( 914 +AT+MOD=2 892 892 916 +Sets the device to working mode 2 (Double DI Counting + DO + RO) 917 +))) 893 893 894 -==== 3.4.2.3 Poll an uplink ==== 919 +(% class="wikigeneratedid" %) 920 +(% style="color:#037691" %)**Downlink payload** 895 895 896 -Requests the device to send an uplink. 922 +(% style="width:500px" %) 923 +|(% style="width:98px" %)**Payload**|(% style="width:400px" %)<prefix><working_mode> 924 +|(% style="width:98px" %)**Parameters**|(% style="width:400px" %)((( 925 +prefix : 0x0A 897 897 927 +working_mode : Working mode, represented by 1 byte in hexadecimal. 928 +))) 929 +|(% style="width:98px" %)**Example**|(% style="width:400px" %)((( 930 +0A **02** 898 898 899 -* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink 932 +Sets the device to working mode 2 (Double DI Counting + DO + RO) 933 +))) 900 900 901 - *(%style="color:#037691"%)**Downlinkpayload (prefix 0x08):**935 +==== 3.4.2.3 Poll an uplink ==== 902 902 903 - (% style="color:blue"%)**0x08 FF **(%%)** **~/~/ Pollan uplink937 +Requests an uplink from LT-22222-L. 904 904 905 - **Example**:x08FF,askdevice tosendanUplink939 +(% style="color:#037691" %)**AT command** 906 906 941 +There is no AT Command to request an uplink from LT-22222-L 907 907 943 +(% style="color:#037691" %)**Downlink payload** 908 908 945 +(% style="width:500px" %) 946 +|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix>FF 947 +|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)prefix : 0x08 948 +|(% style="width:101px" %)**Example**|(% style="width:397px" %)((( 949 +08 FF 950 + 951 +Requests an uplink from LT-22222-L. 952 +))) 953 + 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"]]). 956 +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**958 +(% style="color:#037691" %)**AT Command** 914 914 915 -(% style="color:red" %)**1:** (%%)Enable the trigger mode 960 +(% style="width:500px" %) 961 +|(% style="width:95px" %)**Command**|(% style="width:403px" %)AT+ADDMOD6=<enable/disable trigger_mode> 962 +|(% style="width:95px" %)**Response**|(% style="width:403px" %) 963 +|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)((( 964 +enable/disable trigger_mode : 916 916 917 - (%style="color:red"%)**0: **(%%)Disable the trigger mode966 +1 = enable trigger mode 918 918 968 +0 = disable trigger mode 969 +))) 970 +|(% style="width:95px" %)**Example**|(% style="width:403px" %)((( 971 +AT+ADDMOD6=1 919 919 920 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):** 973 +Enable trigger mode for the current working mode 974 +))) 921 921 922 -(% style="color: blue" %)**0x0A06aa(%%) ~/~/ Same as AT+ADDMOD6=aa976 +(% style="color:#037691" %)**Downlink payload** 923 923 978 +(% style="width:500px" %) 979 +|(% style="width:97px" %)**Payload**|(% style="width:401px" %)<prefix><enable/disable trigger_mode> 980 +|(% style="width:97px" %)**Parameters**|(% style="width:401px" %)((( 981 +prefix : 0x0A 06 924 924 983 +working mode : enable (1) or disable (0), represented by 1 byte in hexadecimal. 984 +))) 985 +|(% style="width:97px" %)**Example**|(% style="width:401px" %)((( 986 +0A 06 **01** 925 925 988 +Enable trigger mode for the current working mode 989 +))) 990 + 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:**995 +(% 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):**999 +(% 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 1001 +(% style="width:500px" %) 1002 +|(% style="width:95px" %)**Payload**|(% style="width:403px" %)<prefix> 1003 +|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)prefix : AB 06 1004 +|(% style="width:95px" %)**Example**|(% style="width:403px" %)((( 1005 +AB 06 937 937 1007 +Uplinks the trigger settings. 1008 +))) 938 938 1010 +==== 3.4.2.6 Enable/Disable DI1/DI2 as a trigger ==== 939 939 940 - ==== 3.4.2.6Enable/Disable DI1/DI2/DI3as a trigger====1012 +Enable or disable DI1/DI2 as a trigger. 941 941 942 - Enableor disableDI1/DI2/DI2asatrigger.1014 +(% 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 >** 1016 +(% style="width:500px" %) 1017 +|(% style="width:98px" %)Command|(% style="width:400px" %)AT+DTRI=<DI1_trigger><DI2_trigger> 1018 +|(% style="width:98px" %)Response|(% style="width:400px" %) 1019 +|(% style="width:98px" %)Parameters|(% style="width:400px" %)((( 1020 +DI1_trigger: 945 945 946 - **Example:** AT+DTRI=1,0(Enable DI1 trigger/ disable DI2 trigger)1022 +1 = enable DI1 trigger 947 947 1024 +0 = disable DI1 trigger 948 948 949 - *(% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**1026 +DI2 _trigger 950 950 951 - (%style="color:blue"%)**0xAA 02aabb ** (%%) ~/~/ Sameas AT+DTRI=aa,bb1028 +1 = enable DI2 trigger 952 952 1030 +0 = disable DI2 trigger 1031 +))) 1032 +|(% style="width:98px" %)Example|(% style="width:400px" %)((( 1033 +AT+DTRI=1,0 953 953 1035 +Enable DI1 trigger, disable DI2 trigger 1036 +))) 954 954 1038 +(% class="wikigeneratedid" %) 1039 +(% style="color:#037691" %)**Downlink Payload** 1040 + 1041 +(% style="width:500px" %) 1042 +|(% style="width:101px" %)Payload|(% style="width:397px" %)<prefix><DI1_trigger><DI2_trigger> 1043 +|(% style="width:101px" %)Parameters|(% style="width:397px" %)((( 1044 +prefix : AA 02 1045 + 1046 +DI1_trigger: 1047 + 1048 +1 = enable DI1 trigger, represented by 1 byte in hexadecimal. 1049 + 1050 +0 = disable DI1 trigger, represented by 1 byte in hexadecimal. 1051 + 1052 +DI2 _trigger 1053 + 1054 +1 = enable DI2 trigger, represented by 1 byte in hexadecimal. 1055 + 1056 +0 = disable DI2 trigger, represented by 1 byte in hexadecimal. 1057 +))) 1058 +|(% style="width:101px" %)Example|(% style="width:397px" %)((( 1059 +AA 02 **01 00** 1060 + 1061 +Enable DI1 trigger, disable DI2 trigger 1062 +))) 1063 + 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 +970,12 @@ 970 970 (% style="color:blue" %)**0x09 01 aa bb cc ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc) 971 971 972 972 1082 +(% style="width:500px" %) 1083 +|(% style="width:101px" %)Command|(% style="width:397px" %) 1084 +|(% style="width:101px" %)Response|(% style="width:397px" %) 1085 +|(% style="width:101px" %)Parameters|(% style="width:397px" %) 1086 +|(% style="width:101px" %)Example|(% style="width:397px" %) 1087 + 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 onlowlevel,valid signal is 100ms1098 +**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 ):** ... ... @@ -988,6 +988,35 @@ 988 988 (% style="color:blue" %)**0x09 02 aa bb cc ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc) 989 989 990 990 1106 +(% style="color:#037691" %)**AT Command** 1107 + 1108 +(% style="width:500px" %) 1109 +|(% style="width:94px" %)Command|(% style="width:404px" %)AT+TRIG=<interrupt_mode><minimum_signal_duration> 1110 +|(% style="width:94px" %)Response|(% style="width:404px" %) 1111 +|(% style="width:94px" %)Parameters|(% style="width:404px" %)((( 1112 +interrupt_mode : 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1). 1113 + 1114 +minimum_signal_duration : the **minimum signal duration** required for the DI1 port to recognize a valid trigger. 1115 +))) 1116 +|(% style="width:94px" %)Example|(% style="width:404px" %)((( 1117 +AT+TRIG2=0,100 1118 + 1119 +Set the DI1 port to trigger on a falling edge; the valid signal duration is 100 ms. 1120 +))) 1121 + 1122 +(% style="color:#037691" %)**Downlink Payload** 1123 + 1124 +(% style="width:500px" %) 1125 +|(% style="width:96px" %)Payload|(% style="width:402px" %)<prefix><interrupt_mode><minimum_signal_duration> 1126 +|(% style="width:96px" %)Parameters|(% style="width:402px" %)((( 1127 +prefix : 09 02 1128 + 1129 +interrupt_mode : 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1), represented by 1 byte in hexadecimal. 1130 + 1131 +<minimum_signal_duration>, represented two bytes in hexadecimal 1132 +))) 1133 +|(% style="width:96px" %)Example|(% style="width:402px" %)09 02 **00 00 64** 1134 + 991 991 ==== 3.4.2.9 Trigger – Set AC (current) as a trigger ==== 992 992 993 993 Sets the current trigger based on the AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -999,7 +999,18 @@ 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 1001 1001 1146 +(% style="width:500px" %) 1147 +|(% style="width:104px" %)Command|(% style="width:394px" %)AT+ACLIM 1148 +|(% style="width:104px" %)Response|(% style="width:394px" %) 1149 +|(% style="width:104px" %)Parameters|(% style="width:394px" %)- 1150 +|(% style="width:104px" %)Example|(% style="width:394px" %)AT+ACLIM 1002 1002 1152 + 1153 +(% style="width:500px" %) 1154 +|(% style="width:104px" %)Payload|(% style="width:394px" %)<prefix> 1155 +|(% style="width:104px" %)Parameters|(% style="width:394px" %)prefix : AA 01 1156 +|(% style="width:104px" %)Example|(% style="width:394px" %)AA 01 aa bb cc dd ee ff gg hh 1157 + 1003 1003 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 1004 1004 1005 1005 Sets the current trigger based on the AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -1526,10 +1526,10 @@ 1526 1526 1527 1527 == 3.6 Interface Details == 1528 1528 1529 -=== 3.6.1 Digital Input Port: DI1/DI2 lowactive ) ===1684 +=== 3.6.1 Digital Input Ports: DI1/DI2/DI3 (For LT-33222-L, Low Active ) === 1530 1530 1531 1531 1532 -Support NPN-type sensor 1687 +Supports NPN-type sensors. 1533 1533 1534 1534 [[image:1653356991268-289.png]] 1535 1535