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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// = DI1+ / 1K.
	1105	+ //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.
	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.
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.**
	1119	+ //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.
	1121	+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.
	1124	+**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.**
	1133	+ //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.
	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.
1136	1136
1137		-=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1138	1138
	1138	+1.
	1139	+11.
	1140	+111. Digital Output Port: DO1/DO2 /DO3
	1141	+
1139	1139	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1140	1140
1141		-[[image:1653357531600-905.png]]
	1144	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1142	1142
1143	1143
1144	1144

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