KEYENCE N-400 User Manual
Page 32
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Chapter 2 Installation Procedure
24
2
Connecting OK/NG output
The OK/NG output is used to differentiate between acceptable and unacceptable
results based on the comparison with the preset data, and to indicate whether or
not the BL series successfully read bar codes.
The OK/NG output is an open-collector output.
I/O circuit diagram
Input circuit diagram
Output circuit diagram
COM
OK
NG
Load
Load
+
*Rated load: 30 V max. (100 mA)
TIM
2.4
K
Ω
3.3K
Ω
Internal circuit
Load
OK/NG
COM
+
Internal circuit
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