Mitsubishi Electric MELCEC Q Series User Manual page 135

9. LOADING AND INSTALLATION
(3)
(4)
(5)
(6)
Module installation direction
(a) Install the programmable controller in the following direction to ensure ventilation
for heat radiation.
(b) Do not install the programmable controller in the following directions.
Vertical position
Install the base unit on a flat surface.
When the base unit is installed on an uneven surface, the printed-circuit board may
be strained, resulting in malfunction.
Avoid sharing the same panel with any source of vibration such as a large-sized
magnetic contactor or no-fuse breaker, and install to a separate panel or away from
such devices.
Provide the following distances between the programmable controller and devices
(contactor or relay) to avoid the influence of radiation noise or heat.
• Devices installed in front of the programmable
controller:
• Devices installed on either side of the
programmable controller:
100mm
or more
Contactor,
relay, etc.
Horizontal position
50mm or more
9 - 3
100mm or more
50mm or more
50mm or more