Mitsubishi Electric MELSEC iQ-R Series Configuration Manual page 104

Installation surface
Install a base unit on a flat surface.
If the installation surface is uneven, excessive force is applied to the printed-circuit board, which may cause malfunction.
Installation of programmable controller with other devices
To avoid the close installation of a programmable controller and vibration sources such as an electromagnetic contactor and
no fuse breaker, install them in a different control panel or at a distance.
Clearance between a programmable controller and other devices
Provide the following clearance between the programmable controller and other devices such as a contactor and relay to
avoid influence from the radiated noise and heat.
(1)
(1) A device in front of a programmable controller: 100mm or more
(2) A device on the right and left of a programmable controller: 50mm or more
5 INSTALLATION AND WIRING
102
5.2 Installation Position
(2)
(2)