4 INSTALLATION
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4.2 Clearances
To ensure normal operation of this product, provide an air inlet/outlet with an air filter on the
top and bottom of the enclosure each, allowing clearances between the enclosure and each unit
as shown below. These clearances are recommended values, not mandatory. Test-run the
system to make sure that the temperature around the module is within allowable limits.
50 mm or more
50 mm or more
50 mm
or more
CPU unit
Enclosure
I/O unit
50 mm or more
50 mm
or more
50 mm
or more
50 mm
or more
Enclosure
Air exhaust
Air intake
CAUTION
Heat may build up inside the enclosure to such a degree that it will cause the
units to fail. Units may malfunction under the influence of electromagnetic
interference from the adjoining units. Allow specified clearances between the
enclosure and each unit and between the units to assure heat dissipation and
lessen electromagnetic interference.
Temperature raises vary depending on the manner of installation. The
mounting intervals specified in the manual should be considered as
recommended values. Perform a test run upon mounting and measure the
temperature around the units to make sure that it is within allowable limits. If
the temperature is higher than permitted, increase the mounting intervals or
provide forced air cooling with a cooling fan.
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Страница 19: ...1 BEFORE USE ...
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