Omron V500-R521B2 User Manual page 28

Section 2
Wiring and Installation
Wiring
• Extension length of the RS-232C line (SD, RD, and SG) should be up to 15 m.
• For trigger and power line, use a cable with 0.3 mm
• Wiring should avoid approaching to a high-power heavy electric current wire.
• Check the polarity of terminals and be careful of faulty wiring.
• Avoid reverse connection of power supply or connection to alternating current.
• Do not use exceeding rating voltage.
• Turn off the power switch before connecting or disconnecting a connector.
• Use a wrist strap etc. to avoid electrostatic charge when you touch terminals and signal lines, to avoid
damage due to static electricity.
Wiring diagram
V500-R521B2 (Cable output type)
Wiring color
Brown
Yellow
Orange
Blue
Gray
White
Green
Red
Black
Shield (FG)
Connection with upper equipment p.88, p.89
V500-R521B2/C2
28
User's Manual
Signal
Function
name
TRIG External trigger signal
OK READ OK signal
NG READ NG signal
CS Transmission allowed
RS Transmission request
RD Received data
SD Transmission data
VCC Power supply
S.GND 0 V (Signal ground)
F.GND FG (Frame ground)
2 or more and extension length should be up to 5 m.
Signal direction
Bar code reader
External
Upper equipment
External