Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 42.1 >
edited by Xiaoling
on 2022/05/24 09:49
To version < 52.2 >
edited by Xiaoling
on 2022/05/24 10:01
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -1043,8 +1043,6 @@
1043 1043  
1044 1044  [[image:image-20220524094641-12.png||height="402" width="718"]]
1045 1045  
1046 -
1047 -
1048 1048  **Step **3: Create an account or log in Mydevices.
1049 1049  
1050 1050  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1051,47 +1051,48 @@
1051 1051  
1052 1052  Search under The things network
1053 1053  
1054 -[[image:1653356838789-523.png]]
1052 +[[image:1653356838789-523.png||height="337" width="740"]]
1055 1055  
1056 -
1057 1057  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1058 1058  
1059 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
1060 1060  
1057 +[[image:image-20220524094909-1.png||height="335" width="729"]]
1061 1061  
1062 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
1059 +[[image:image-20220524094909-2.png||height="337" width="729"]]
1063 1063  
1061 +[[image:image-20220524094909-3.png||height="338" width="727"]]
1064 1064  
1065 -[[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" %)
1066 1066  
1065 +[[image:image-20220524094909-5.png||height="341" width="734"]]
1067 1067  
1068 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
1069 1069  
1070 1070  
1071 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1072 1072  
1073 1073  
1074 -1.
1075 -11. Interface Detail
1076 -111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1071 +== 3.6 Interface Detail ==
1077 1077  
1073 +=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1074 +
1078 1078  Support NPN Type sensor
1079 1079  
1080 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
1077 +[[image:1653356991268-289.png]]
1081 1081  
1079 +=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1082 1082  
1083 -
1084 -1.
1085 -11.
1086 -111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1087 -
1081 +(((
1088 1088  The DI port of LT-22222-L can support NPN or PNP output sensor.
1083 +)))
1089 1089  
1085 +(((
1090 1090  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 +)))
1091 1091  
1092 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
1089 +[[image:1653357170703-587.png]]
1093 1093  
1091 +(((
1094 1094  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1093 +)))
1095 1095  
1096 1096  
1097 1097  **Example1**: Connect to a Low active sensor.
... ... @@ -1101,11 +1101,11 @@
1101 1101  * Connect sensor’s output to DI1-
1102 1102  * Connect sensor’s VCC to DI1+.
1103 1103  
1104 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1103 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1105 1105  
1106 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1105 + //IF// = DI1+ / 1K.
1107 1107  
1108 -If DI1+ = 12v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 12mA , So the LT-22222-L will be able to detect this active signal.
1107 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1109 1109  
1110 1110  
1111 1111  **Example2**: Connect to a High active sensor.
... ... @@ -1117,12 +1117,12 @@
1117 1117  
1118 1118  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1119 1119  
1120 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1119 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1121 1121  
1122 -If DI1+ = 24v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 24mA , So the LT-22222-L will be able to detect this high active signal.
1121 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1123 1123  
1124 1124  
1125 -**Example3**: Connect to a 220v high active sensor.公司测试一下
1124 +**Example3**: Connect to a 220v high active sensor.
1126 1126  
1127 1127  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1128 1128  
... ... @@ -1131,34 +1131,24 @@
1131 1131  
1132 1132  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1133 1133  
1134 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 51K.
1133 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1135 1135  
1136 -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.
1135 +If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %) [[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1137 1137  
1137 +=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1138 1138  
1139 -1.
1140 -11.
1141 -111. Digital Output Port: DO1/DO2 /DO3
1142 -
1143 1143  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1144 1144  
1145 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1141 +[[image:1653357531600-905.png]]
1146 1146  
1143 +=== 3.6.4 Analog Input Interface ===
1147 1147  
1148 -
1149 -
1150 -1.
1151 -11.
1152 -111. Analog Input Interface
1153 -
1154 1154  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:
1155 1155  
1156 -AC2 = (IN2 voltage )/12
1147 +**AC2 = (IN2 voltage )/12**
1157 1157  
1158 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1149 +[[image:1653357592296-182.png]]
1159 1159  
1160 -
1161 -
1162 1162  Example to connect a 4~~20mA sensor
1163 1163  
1164 1164  We take the wind speed sensor as an example for reference only.
... ... @@ -1174,14 +1174,14 @@
1174 1174  
1175 1175  Connection diagram:
1176 1176  
1177 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.jpg]]
1166 +[[image:1653357640609-758.png]]
1178 1178  
1179 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1168 +[[image:1653357648330-671.png||height="155" width="733"]]
1180 1180  
1181 1181  
1182 1182  
1183 1183  1.
1184 -11.
1173 +11.
1185 1185  111. Relay Output
1186 1186  
1187 1187  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:
... ... @@ -1341,7 +1341,7 @@
1341 1341  
1342 1342  
1343 1343  
1344 -1.
1333 +1.
1345 1345  11. Common AT Command Sequence
1346 1346  111. Multi-channel ABP mode (Use with SX1301/LG308)
1347 1347  
... ... @@ -1364,8 +1364,8 @@
1364 1364  
1365 1365  ATZ
1366 1366  
1367 -1.
1368 -11.
1356 +1.
1357 +11.
1369 1369  111. Single-channel ABP mode (Use with LG01/LG02)
1370 1370  
1371 1371  123456   Enter Password to have AT access.
... ... @@ -1405,7 +1405,7 @@
1405 1405  
1406 1406  
1407 1407  1.
1408 -11.
1397 +11.
1409 1409  111. Change to Class A
1410 1410  
1411 1411  If sensor JOINED
... ... @@ -1420,7 +1420,7 @@
1420 1420  
1421 1421  1. FAQ
1422 1422  
1423 -1.
1412 +1.
1424 1424  11. How to upgrade the image?
1425 1425  
1426 1426  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
... ... @@ -1479,7 +1479,7 @@
1479 1479  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1480 1480  
1481 1481  
1482 -1.
1471 +1.
1483 1483  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1484 1484  
1485 1485  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
... ... @@ -1538,7 +1538,7 @@
1538 1538  [[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]]
1539 1539  
1540 1540  
1541 -1.
1530 +1.
1542 1542  11. Have trouble to upload image.
1543 1543  
1544 1544  See this link for trouble shooting:
... ... @@ -1546,7 +1546,7 @@
1546 1546  [[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]]
1547 1547  
1548 1548  
1549 -1.
1538 +1.
1550 1550  11. Why I can’t join TTN in US915 /AU915 bands?
1551 1551  
1552 1552  It might be about the channels mapping. Please see this link for detail:
1653356991268-289.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +23.9 KB
Content
1653357170703-587.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +34.0 KB
Content
1653357531600-905.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +25.4 KB
Content
1653357592296-182.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +42.2 KB
Content
1653357640609-758.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +558.1 KB
Content
1653357648330-671.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +35.9 KB
Content
image-20220524094909-5.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +212.8 KB
Content
image-20220524095400-6.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +172 bytes
Content
image-20220524095438-7.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +158 bytes
Content
image-20220524095628-8.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +264 bytes
Content

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0