Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 41.1 >
edited by Xiaoling
on 2022/05/24 09:49
To version < 51.1 >
edited by Xiaoling
on 2022/05/24 10:00
>
Change comment: Uploaded new attachment "1653357640609-758.png", version {1}

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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  
... ... @@ -1131,24 +1131,21 @@
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  
1147 1147  
1148 1148  
1149 1149  
1150 1150  1.
1151 -11.
1147 +11.
1152 1152  111. Analog Input Interface
1153 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:
... ... @@ -1181,7 +1181,7 @@
1181 1181  
1182 1182  
1183 1183  1.
1184 -11.
1180 +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.
1340 +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.
1363 +1.
1364 +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.
1404 +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.
1419 +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.
1478 +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.
1537 +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.
1545 +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:
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