19.
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LOADING AND INSTALLATION
19.2 Installation Environment
Avoid the following environment when installing a PLC system:
(1) The ambient temperature may fall outside the range of 0 to 55 .
(2) The ambient humidity may fall outside the range of 10 to 90%RH.
(3) Condensation may occur due to drastic changes in temperature.
(4) Corrosive gas or flammable gas exists.
(5) A lot of conductive powdery substance such as dust or iron powder, oil mist, salt, or
organic solvent exists.
(6) A location exposed to direct sunlight.
(7) Strong electric or magnetic fields may be generated.
(8) Vibrations and shocks are transmitted directly to the system.
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