Mitsubishi Electric MELSECQ Series User Manual page 96

5 SETUP AND PROCEDURES BEFORE OPERATION
Control box
Control panel
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[Wiring examples using duct (improper example and improved
example)]
Relay
Drive Drive
unit unit
Noise source
(Power system,
etc.)
Relay
Noise source
(power system,
etc.)
search engine
Relay
Relay
QD
Programmable
controller CPU
70
Changed
Realy
Relay
QD
Programmable
controller CPU
70
Drive Drive
unit unit
MELSEC-Q
Wiring duct
The deive units are placed
near the noise source.
The connection cable between
the QD70 and drive units is
too long.
Wiring duct
The QD70 and drive units are
placed closely.The connection
cable between the QD70 and
drive units is separately laid
from teh power line (in this
example, the cable is outside of
the duct) and is as short as possible.
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