Mitsubishi Electric QD75MH1 User Manual page 94

4 INSTALLATION, WIRING AND MAINTENANCE OF THE PRODUCT
[Wiring examples using duct (incorrect example and corrected example)]
Control panel
Control panel
Relay
Servo Servo
amplifier amplifier
Noise source
(Power system,
etc.)
Relay
Noise source
(Power system,
etc.)
Relay
Relay
QD
PLC 75
MH
Changed
Relay
Relay
QD
75
PLC
MH
Servo Servo
amplifier amplifier
4 - 15
MELSEC-Q
Wiring duct
The servo amplifiers are placed
near the noise source.
The connection cable between
the QD75MH and servo amplifiers
is too long.
Wiring duct
The QD75MH and servo amplifiers
are placed closely. The connection
cable between the QD75MH and
servo amplifier is separately laid
from the power line (in this example,
the cable is outside of the duct) and
is as short as possible.