Last modified by Saxer Lin on 2025/04/15 17:24
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From version < 77.17 >
edited by Xiaoling
on 2022/06/10 08:40
To version < 77.31 >
edited by Xiaoling
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... ... @@ -740,6 +740,8 @@
740 740  
741 741  )))
742 742  
743 +
744 +
743 743  == 3.4 ​Configure LT via AT or Downlink ==
744 744  
745 745  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -752,11 +752,14 @@
752 752  
753 753  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
754 754  
757 +
758 +
755 755  === 3.4.1 Common Commands ===
756 756  
757 757  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
758 758  
759 759  
764 +
760 760  === 3.4.2 Sensor related commands ===
761 761  
762 762  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -780,6 +780,7 @@
780 780  )))
781 781  
782 782  
788 +
783 783  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
784 784  
785 785  Set work mode.
... ... @@ -801,6 +801,7 @@
801 801  )))
802 802  
803 803  
810 +
804 804  ==== 3.4.2.3 Poll an uplink ====
805 805  
806 806  * AT Command:
... ... @@ -817,6 +817,7 @@
817 817  **Example**: 0x08FF, ask device to send an Uplink
818 818  
819 819  
827 +
820 820  ==== 3.4.2.4 Enable Trigger Mode ====
821 821  
822 822  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -840,6 +840,7 @@
840 840  )))
841 841  
842 842  
851 +
843 843  ==== 3.4.2.5 Poll trigger settings ====
844 844  
845 845  Poll trigger settings,
... ... @@ -856,6 +856,7 @@
856 856  )))
857 857  
858 858  
868 +
859 859  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
860 860  
861 861  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -879,6 +879,7 @@
879 879  )))
880 880  
881 881  
892 +
882 882  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
883 883  
884 884  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -906,6 +906,7 @@
906 906  )))
907 907  
908 908  
920 +
909 909  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
910 910  
911 911  Set DI2 trigger.
... ... @@ -933,6 +933,7 @@
933 933  )))
934 934  
935 935  
948 +
936 936  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
937 937  
938 938  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -952,6 +952,7 @@
952 952  )))
953 953  
954 954  
968 +
955 955  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
956 956  
957 957  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -971,6 +971,7 @@
971 971  )))
972 972  
973 973  
988 +
974 974  ==== 3.4.2.11 Trigger – Set minimum interval ====
975 975  
976 976  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -990,6 +990,7 @@
990 990  )))
991 991  
992 992  
1008 +
993 993  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
994 994  
995 995  * AT Command:
... ... @@ -1022,6 +1022,7 @@
1022 1022  )))
1023 1023  
1024 1024  
1041 +
1025 1025  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1026 1026  
1027 1027  * AT Command:
... ... @@ -1084,6 +1084,7 @@
1084 1084  DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
1085 1085  
1086 1086  
1104 +
1087 1087  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1088 1088  
1089 1089  * AT Command:
... ... @@ -1112,6 +1112,7 @@
1112 1112  Device will upload a packet if downlink code executes successfully.
1113 1113  
1114 1114  
1133 +
1115 1115  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1116 1116  
1117 1117  * AT Command:
... ... @@ -1162,6 +1162,7 @@
1162 1162  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1163 1163  
1164 1164  
1184 +
1165 1165  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1166 1166  
1167 1167  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1181,6 +1181,7 @@
1181 1181  )))
1182 1182  
1183 1183  
1204 +
1184 1184  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1185 1185  
1186 1186  * AT Command:
... ... @@ -1206,6 +1206,7 @@
1206 1206  )))
1207 1207  
1208 1208  
1230 +
1209 1209  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1210 1210  
1211 1211  Clear counting for counting mode
... ... @@ -1225,6 +1225,7 @@
1225 1225  )))
1226 1226  
1227 1227  
1250 +
1228 1228  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1229 1229  
1230 1230  * AT Command:
... ... @@ -1247,6 +1247,8 @@
1247 1247  
1248 1248  )))
1249 1249  
1273 +
1274 +
1250 1250  == 3.5 Integrate with Mydevice ==
1251 1251  
1252 1252  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
... ... @@ -1288,6 +1288,7 @@
1288 1288  [[image:image-20220524094909-5.png||height="341" width="734"]]
1289 1289  
1290 1290  
1316 +
1291 1291  == 3.6 Interface Detail ==
1292 1292  
1293 1293  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1297,6 +1297,7 @@
1297 1297  [[image:1653356991268-289.png]]
1298 1298  
1299 1299  
1326 +
1300 1300  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1301 1301  
1302 1302  (((
... ... @@ -1411,6 +1411,7 @@
1411 1411  )))
1412 1412  
1413 1413  
1441 +
1414 1414  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1415 1415  
1416 1416  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1418,6 +1418,7 @@
1418 1418  [[image:1653357531600-905.png]]
1419 1419  
1420 1420  
1449 +
1421 1421  === 3.6.4 Analog Input Interface ===
1422 1422  
1423 1423  The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
... ... @@ -1446,6 +1446,7 @@
1446 1446  [[image:1653357648330-671.png||height="155" width="733"]]
1447 1447  
1448 1448  
1478 +
1449 1449  === 3.6.5 Relay Output ===
1450 1450  
1451 1451  (((

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