<
From version < 49.2 >
edited by Xiaoling
on 2022/05/24 09:59
To version < 45.1 >
edited by Xiaoling
on 2022/05/24 09:52
>
Change comment: Uploaded new attachment "1653357170703-587.png", version {1}

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1051 1051  
1052 1052  [[image:1653356838789-523.png||height="337" width="740"]]
1053 1053  
1054 +
1054 1054  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1055 1055  
1056 1056  
1057 -[[image:image-20220524094909-1.png||height="335" width="729"]]
1058 +[[image:image-20220524094909-1.png]]
1058 1058  
1059 -[[image:image-20220524094909-2.png||height="337" width="729"]]
1060 1060  
1061 +[[image:image-20220524094909-2.png]]
1062 +
1063 +
1061 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" %)
1064 1064  
1067 +[[image:image-20220524094909-4.png||height="339" width="728"]]
1068 +
1069 +(% style="display:none" %) (%%)
1070 +
1065 1065  [[image:image-20220524094909-5.png||height="341" width="734"]]
1066 1066  
1067 1067  
... ... @@ -1068,6 +1068,7 @@
1068 1068  
1069 1069  
1070 1070  
1077 +
1071 1071  == 3.6 Interface Detail ==
1072 1072  
1073 1073  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
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1076 1076  
1077 1077  [[image:1653356991268-289.png]]
1078 1078  
1079 -=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1080 1080  
1081 -(((
1087 +
1088 +1.
1089 +11.
1090 +111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1091 +
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]]
1096 +[[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: ​​
1108 +So when sensor active, the current between NEC2501 pin1 and pin2 is:
1104 1104  
1105 - //IF// = DI1+ / 1K.
1110 + //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.
1112 +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.**
1124 + //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.
1126 +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.
1129 +**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  
... ... @@ -1130,15 +1130,18 @@
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.**
1138 + //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.
1140 +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  
1143 +1.
1144 +11.
1145 +111. Digital Output Port: DO1/DO2 /DO3
1146 +
1139 1139  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1140 1140  
1141 -[[image:1653357531600-905.png]]
1149 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1142 1142  
1143 1143  
1144 1144  
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