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(3) Unit mounting orientation
(a) Since the PC generates heat, mount it in a well-ventilated location
and in the orientation shown below.
(b) Do not mount it in either of the orientations shown below.
Vertical
Flat
(4) Mount base units on a flat surface.
If the mounting surface is uneven, this may strain the printed circuit boards
and cause malfunctions.
(5) Avoid mounting the base unit in proximity to vibration sources such as
large magnetic contactors and no-fuse circuit breakers; mount these on a
separate panel or at a distance.
(6) In order to avoid the effects of radiated noise and heat, provide the
clearances indicated below between the PC and devices that generate
noise or heat (contactors and relays).
•
Required clearance in front of........................100mm or more (3.94inch)
•
Required clearance on the right and left of ......50mm or more (1.97inch)
100mm or more
(3.94 inch)
50mm or more
(1.97 inch)
Contactor,
relay, etc.
50mm or more
(1.97 inch)
Содержание Melsec A Series
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