Plc Wiring Diagram - Mitsubishi Electric G-50A Technical Manual

12.6 PLC Wiring Diagram

A wiring example around PLC is shown in Figure 12-7. In the figure below are shown also necessary
components in order to secure reliability (for reference). Depending on the setting environment, however,
unnecessary components may be included. In this case, consult with a contractor to decide whether or not
they are necessary.
Power L
source
N
Circuit
AC100V
breaker
for main Arrestor
power for main
source power
source
84
Power source
unit (Q61P-A1)
Circuit Insulating
breaker transformer
CPU unit
for PLC
(QO2CPU)
Ethernet unit
(QJ71E71-100)
DC input unit
(QX40)
L 24V
N GND
E
Circuit
breaker
DC24V
for DC
Power
power
source
source
Figure 12-7 Wiring example around PLC
10BASE-T
Arrestor
Arrestor
Arrestor
Arrestor
CPEVS f0.9-1P
or
CVVS1.25mm
Storage panel
for PLC
G-50A
PC for
centralized
control
Voltmeter
Terminal for
with pulse
pulse input
oscillator
Voltmeter
Terminal for
with pulse
pulse input
oscillator
Voltmeter
Terminal for
with pulse
pulse input
oscillator
Voltmeter
Terminal for
with pulse
pulse input
oscillator
2
Storage panel
for voltmeter