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

3.3K

Internal circuit

Load

OK/NG

COM

+

Internal circuit

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