Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
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... ... @@ -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 :1103 +So when sensor active, the current between NEC2501 pin1 and pin2 is： 1104 1104 1105 - //IF// [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]= DI1+ / 1K.1105 + //IF// = DI1+ / 1K. 1106 1106 1107 -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. 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 - //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.** 1120 1120 1121 -If DI1+ = 24v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]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 1122 1123 1123 1124 -**Example3**: Connect to a 220v high active sensor. 公司测试一下1124 +**Example3**: Connect to a 220v high active sensor. 1125 1125 1126 1126 Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler 1127 1127 ... ... @@ -1130,18 +1130,15 @@ 1130 1130 1131 1131 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1132 1132 1133 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]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 1134 1135 -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. 1136 1136 1137 +=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1137 1137 1138 -1. 1139 -11. 1140 -111. Digital Output Port: DO1/DO2 /DO3 1141 - 1142 1142 NPN output: GND or Float. Max voltage can apply to output pin is 36v. 1143 1143 1144 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]1141 +[[image:1653357531600-905.png]] 1145 1145 1146 1146 1147 1147