Mitsubishi Electric Melsec-Q172DCPU User Manual page 157

4 INSTALLATION AND WIRING
(4) Mounting surface
Mount the base unit on a flat surface. If the mounting surface is not even, this
may strain the printed circuit boards and cause malfunctions.
(5) Mounting of unit in an area where the other devices are mounted
Avoid mounting base unit in proximity to vibration sources such as large
magnetic contractors and no-fuse circuit breakers; mount those on a separate
panel or at a distance).
(6) Distances from the other devices
In order to avoid the effects of radiated noise and heat, provide the clearances
indicated below between the Motion controller and devices that generate noise or
heat (contactors and relays, etc.).
• In front of Motion controller
• On the right and left of Motion controller : 50mm (1.97inch) or more
100mm(3.94inch)
or more
Contactor, relay, etc.
: 100mm (3.94inch) or more
50mm(1.97inch)
or more
4 - 6
50mm(1.97inch)
or more