KEYENCE N-48/42 - Manual (Page 5)

5
SYSTEM CONFIGURATION
■ N-42
• When the N-42 is used as an RS-232C/RS-422A converter, connect the RS-232C equipment to the
READER port of the N-42.
• Turn ON the terminator of both the N-42 and the RS-422A equipment (termination resistor: 100 Ω ).
BL series or RS-232C equipment
READER port
Sensor for trigger input
Trigger
input
OK/NG
output
PLC
RS-422A
RS-422A
equipment
Maximum extension distance: 1.2 km
N-42
POWER SD RD
N-42
READER