Manual

8
The following I/O connections are common for
both the N-42 and N-48.
■ Connecting trigger input
The trigger input allows the BL series to start
reading bar codes. The trigger input turns ON
when 15 to 26 VDC input is activated.
INPUT/OUTPUT CONNECTIONS
■ Connecting OK/NG output
The BL series uses OK/NG output to compare
the read data with the preset data, or to judge
whether a bar code can be correctly read.
* Rated load: 30 VDC (100 mA)
* The above circuit diagram shows OK output
only. NG output is provided in the same way.
15 to 26 VDC
TIM
COM
Contact or
solid-state
Internal circuit
OK
NG
COM
Load
Load
Internal circuit