Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 45.2 >
edited by Xiaoling
on 2022/05/24 09:53
To version < 43.1 >
edited by Xiaoling
on 2022/05/24 09:49
>
Change comment: Uploaded new attachment "image-20220524094909-5.png", version {1}

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1043 1043  
1044 1044  [[image:image-20220524094641-12.png||height="402" width="718"]]
1045 1045  
1046 +
1047 +
1046 1046  **Step **3: Create an account or log in Mydevices.
1047 1047  
1048 1048  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
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1049 1049  
1050 1050  Search under The things network
1051 1051  
1052 -[[image:1653356838789-523.png||height="337" width="740"]]
1054 +[[image:1653356838789-523.png]]
1053 1053  
1056 +
1054 1054  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1055 1055  
1059 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
1056 1056  
1057 -[[image:image-20220524094909-1.png||height="335" width="729"]]
1058 1058  
1059 -[[image:image-20220524094909-2.png||height="337" width="729"]]
1062 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
1060 1060  
1061 -[[image:image-20220524094909-3.png||height="338" width="727"]]
1062 1062  
1063 -[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1065 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
1064 1064  
1065 -[[image:image-20220524094909-5.png||height="341" width="734"]]
1066 1066  
1068 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
1067 1067  
1068 1068  
1071 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1069 1069  
1070 1070  
1071 -== 3.6 Interface Detail ==
1074 +1.
1075 +11. Interface Detail
1076 +111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1072 1072  
1073 -=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1074 -
1075 1075  Support NPN Type sensor
1076 1076  
1077 -[[image:1653356991268-289.png]]
1080 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
1078 1078  
1079 -=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1080 1080  
1081 -(((
1083 +
1084 +1.
1085 +11.
1086 +111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1087 +
1082 1082  The DI port of LT-22222-L can support NPN or PNP output sensor.
1083 -)))
1084 1084  
1085 -(((
1086 1086  Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high
1087 -)))
1088 1088  
1089 -[[image:1653357170703-587.png]]
1092 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
1090 1090  
1091 -(((
1092 1092  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1093 -)))
1094 1094  
1095 1095  
1096 1096  **Example1**: Connect to a Low active sensor.
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1135 1135  If sensor output is 220v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1136 1136  
1137 1137  
1138 -1.
1139 -11.
1139 +1.
1140 +11.
1140 1140  111. Digital Output Port: DO1/DO2 /DO3
1141 1141  
1142 1142  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
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1147 1147  
1148 1148  
1149 1149  1.
1150 -11.
1151 +11.
1151 1151  111. Analog Input Interface
1152 1152  
1153 1153  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:
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1180 1180  
1181 1181  
1182 1182  1.
1183 -11.
1184 +11.
1184 1184  111. Relay Output
1185 1185  
1186 1186  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:
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1340 1340  
1341 1341  
1342 1342  
1343 -1.
1344 +1.
1344 1344  11. Common AT Command Sequence
1345 1345  111. Multi-channel ABP mode (Use with SX1301/LG308)
1346 1346  
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1363 1363  
1364 1364  ATZ
1365 1365  
1366 -1.
1367 -11.
1367 +1.
1368 +11.
1368 1368  111. Single-channel ABP mode (Use with LG01/LG02)
1369 1369  
1370 1370  123456   Enter Password to have AT access.
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1404 1404  
1405 1405  
1406 1406  1.
1407 -11.
1408 +11.
1408 1408  111. Change to Class A
1409 1409  
1410 1410  If sensor JOINED
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1419 1419  
1420 1420  1. FAQ
1421 1421  
1422 -1.
1423 +1.
1423 1423  11. How to upgrade the image?
1424 1424  
1425 1425  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
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1478 1478  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1479 1479  
1480 1480  
1481 -1.
1482 +1.
1482 1482  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1483 1483  
1484 1484  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
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1537 1537  [[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]]
1538 1538  
1539 1539  
1540 -1.
1541 +1.
1541 1541  11. Have trouble to upload image.
1542 1542  
1543 1543  See this link for trouble shooting:
... ... @@ -1545,7 +1545,7 @@
1545 1545  [[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]
1546 1546  
1547 1547  
1548 -1.
1549 +1.
1549 1549  11. Why I can’t join TTN in US915 /AU915 bands?
1550 1550  
1551 1551  It might be about the channels mapping. Please see this link for detail:
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