Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 37.1 >
edited by Xiaoling
on 2022/05/24 09:47
To version < 49.1 >
edited by Xiaoling
on 2022/05/24 09:58
>
Change comment: Uploaded new attachment "1653357531600-905.png", version {1}

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... ... @@ -1043,58 +1043,54 @@
1043 1043  
1044 1044  [[image:image-20220524094641-12.png||height="402" width="718"]]
1045 1045  
1046 +**Step **3: Create an account or log in Mydevices.
1046 1046  
1048 +**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1047 1047  
1048 -
1049 -
1050 -
1051 -Step 3: Create an account or log in Mydevices.
1052 -
1053 -Step 4: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.
1054 -
1055 1055  Search under The things network
1056 1056  
1057 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
1052 +[[image:1653356838789-523.png||height="337" width="740"]]
1058 1058  
1059 -
1060 1060  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1061 1061  
1062 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
1063 1063  
1057 +[[image:image-20220524094909-1.png||height="335" width="729"]]
1064 1064  
1065 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
1059 +[[image:image-20220524094909-2.png||height="337" width="729"]]
1066 1066  
1061 +[[image:image-20220524094909-3.png||height="338" width="727"]]
1067 1067  
1068 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
1063 +[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1069 1069  
1065 +[[image:image-20220524094909-5.png||height="341" width="734"]]
1070 1070  
1071 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
1072 1072  
1073 1073  
1074 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1075 1075  
1076 1076  
1077 -1.
1078 -11. Interface Detail
1079 -111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1071 +== 3.6 Interface Detail ==
1080 1080  
1073 +=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1074 +
1081 1081  Support NPN Type sensor
1082 1082  
1083 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
1077 +[[image:1653356991268-289.png]]
1084 1084  
1079 +=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1085 1085  
1086 -
1087 -1.
1088 -11.
1089 -111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1090 -
1081 +(((
1091 1091  The DI port of LT-22222-L can support NPN or PNP output sensor.
1083 +)))
1092 1092  
1085 +(((
1093 1093  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 +)))
1094 1094  
1095 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
1089 +[[image:1653357170703-587.png]]
1096 1096  
1091 +(((
1097 1097  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1093 +)))
1098 1098  
1099 1099  
1100 1100  **Example1**: Connect to a Low active sensor.
... ... @@ -1139,8 +1139,8 @@
1139 1139  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.
1140 1140  
1141 1141  
1142 -1.
1143 -11.
1138 +1.
1139 +11.
1144 1144  111. Digital Output Port: DO1/DO2 /DO3
1145 1145  
1146 1146  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1151,7 +1151,7 @@
1151 1151  
1152 1152  
1153 1153  1.
1154 -11.
1150 +11.
1155 1155  111. Analog Input Interface
1156 1156  
1157 1157  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:
... ... @@ -1184,7 +1184,7 @@
1184 1184  
1185 1185  
1186 1186  1.
1187 -11.
1183 +11.
1188 1188  111. Relay Output
1189 1189  
1190 1190  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:
... ... @@ -1344,7 +1344,7 @@
1344 1344  
1345 1345  
1346 1346  
1347 -1.
1343 +1.
1348 1348  11. Common AT Command Sequence
1349 1349  111. Multi-channel ABP mode (Use with SX1301/LG308)
1350 1350  
... ... @@ -1367,8 +1367,8 @@
1367 1367  
1368 1368  ATZ
1369 1369  
1370 -1.
1371 -11.
1366 +1.
1367 +11.
1372 1372  111. Single-channel ABP mode (Use with LG01/LG02)
1373 1373  
1374 1374  123456   Enter Password to have AT access.
... ... @@ -1408,7 +1408,7 @@
1408 1408  
1409 1409  
1410 1410  1.
1411 -11.
1407 +11.
1412 1412  111. Change to Class A
1413 1413  
1414 1414  If sensor JOINED
... ... @@ -1423,7 +1423,7 @@
1423 1423  
1424 1424  1. FAQ
1425 1425  
1426 -1.
1422 +1.
1427 1427  11. How to upgrade the image?
1428 1428  
1429 1429  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
... ... @@ -1482,7 +1482,7 @@
1482 1482  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1483 1483  
1484 1484  
1485 -1.
1481 +1.
1486 1486  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1487 1487  
1488 1488  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
... ... @@ -1541,7 +1541,7 @@
1541 1541  [[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]]
1542 1542  
1543 1543  
1544 -1.
1540 +1.
1545 1545  11. Have trouble to upload image.
1546 1546  
1547 1547  See this link for trouble shooting:
... ... @@ -1549,7 +1549,7 @@
1549 1549  [[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]]
1550 1550  
1551 1551  
1552 -1.
1548 +1.
1553 1553  11. Why I can’t join TTN in US915 /AU915 bands?
1554 1554  
1555 1555  It might be about the channels mapping. Please see this link for detail:
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