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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 52.2
edited by Xiaoling
on 2022/05/24 10:01
Change comment: There is no comment for this version
To version 40.1
edited by Xiaoling
on 2022/05/24 09:49
Change comment: Uploaded new attachment "image-20220524094909-2.png", version {1}

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... ... @@ -1043,6 +1043,8 @@
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" %)
... ... @@ -1049,48 +1049,47 @@
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.
... ... @@ -1100,11 +1100,11 @@
1100 1100  * Connect sensor’s output to DI1-
1101 1101  * Connect sensor’s VCC to DI1+.
1102 1102  
1103 -So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1104 +So when sensor active, the current between NEC2501 pin1 and pin2 is:
1104 1104  
1105 - //IF// = DI1+ / 1K.
1106 + //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1106 1106  
1107 -If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
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.
1108 1108  
1109 1109  
1110 1110  **Example2**: Connect to a High active sensor.
... ... @@ -1116,12 +1116,12 @@
1116 1116  
1117 1117  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1118 1118  
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.**
1120 + //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1120 1120  
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.
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.
1122 1122  
1123 1123  
1124 -**Example3**: Connect to a 220v high active sensor.
1125 +**Example3**: Connect to a 220v high active sensor.公司测试一下
1125 1125  
1126 1126  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1127 1127  
... ... @@ -1130,24 +1130,34 @@
1130 1130  
1131 1131  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1132 1132  
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.**
1134 + //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 51K.
1134 1134  
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.
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.
1136 1136  
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 +
1139 1139  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1140 1140  
1141 -[[image:1653357531600-905.png]]
1145 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1142 1142  
1143 -=== 3.6.4 Analog Input Interface ===
1144 1144  
1148 +
1149 +
1150 +1.
1151 +11.
1152 +111. Analog Input Interface
1153 +
1145 1145  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:
1146 1146  
1147 -**AC2 = (IN2 voltage )/12**
1156 +AC2 = (IN2 voltage )/12
1148 1148  
1149 -[[image:1653357592296-182.png]]
1158 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1150 1150  
1160 +
1161 +
1151 1151  Example to connect a 4~~20mA sensor
1152 1152  
1153 1153  We take the wind speed sensor as an example for reference only.
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1163 1163  
1164 1164  Connection diagram:
1165 1165  
1166 -[[image:1653357640609-758.png]]
1177 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.jpg]]
1167 1167  
1168 -[[image:1653357648330-671.png||height="155" width="733"]]
1179 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1169 1169  
1170 1170  
1171 1171  
1172 1172  1.
1173 -11.
1184 +11.
1174 1174  111. Relay Output
1175 1175  
1176 1176  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:
... ... @@ -1330,7 +1330,7 @@
1330 1330  
1331 1331  
1332 1332  
1333 -1.
1344 +1.
1334 1334  11. Common AT Command Sequence
1335 1335  111. Multi-channel ABP mode (Use with SX1301/LG308)
1336 1336  
... ... @@ -1353,8 +1353,8 @@
1353 1353  
1354 1354  ATZ
1355 1355  
1356 -1.
1357 -11.
1367 +1.
1368 +11.
1358 1358  111. Single-channel ABP mode (Use with LG01/LG02)
1359 1359  
1360 1360  123456   Enter Password to have AT access.
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1394 1394  
1395 1395  
1396 1396  1.
1397 -11.
1408 +11.
1398 1398  111. Change to Class A
1399 1399  
1400 1400  If sensor JOINED
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1409 1409  
1410 1410  1. FAQ
1411 1411  
1412 -1.
1423 +1.
1413 1413  11. How to upgrade the image?
1414 1414  
1415 1415  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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1468 1468  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1469 1469  
1470 1470  
1471 -1.
1482 +1.
1472 1472  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1473 1473  
1474 1474  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
... ... @@ -1527,7 +1527,7 @@
1527 1527  [[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]]
1528 1528  
1529 1529  
1530 -1.
1541 +1.
1531 1531  11. Have trouble to upload image.
1532 1532  
1533 1533  See this link for trouble shooting:
... ... @@ -1535,7 +1535,7 @@
1535 1535  [[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]]
1536 1536  
1537 1537  
1538 -1.
1549 +1.
1539 1539  11. Why I can’t join TTN in US915 /AU915 bands?
1540 1540  
1541 1541  It might be about the channels mapping. Please see this link for detail:
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