Omron S8AS, User Manual

Page: 60 / 146

42
Installing the S8AS
Section 3-1
3-1 Installing the S8AS
Installation and
Wiring Precautions
To increase the S8AS system's reliability and take full advantage of the
S8AS's functions, observe the following precautions when installing the S8AS.
Installation Site
Avoid locations with any of the following conditions when installing the S8AS.
• Locations subject to a temperature below
−
10
°
C or over 60
°
C
• Locations subject to a humidity below 25% or over 85% (no condensation/
icing)
• Locations subject to direct sunlight
• Locations subject to exposure to liquids, debris, or corrosive gases
• Locations subject to severe shock or vibration
• Locations near equipment that generates strong high-frequency noise or
surges
Always enclose or protect the S8AS sufficiently in the following locations.
• Locations subject to static electricity or other forms of noise.
• Locations subject to strong electromagnetic fields.
• Locations subject to possible exposure to radioactivity.
• Locations close to power lines.
Installation in
Cabinets or Control
Panels
When the S8AS is being installed in a cabinet or control panel, always provide
suitable ambient conditions as well as access for operation and maintenance.
Ambient Temperature The operating temperature range for the S8AS is
−
10
°
C to 60
°
C. Observe the
following precautions.
• Provide enough space for good air flow.
• Do not install the S8AS above equipment that generates a large amount
of heat, such as heaters, transformers, or high-capacity resistors.
• If the ambient temperature in the cabinet may exceed 60
°
C, install an
exhaust fan or air conditioner and use the Over-temperature Output to
operate the cooling equipment.
• Mount the S8AS at least 20 mm away from heat sources.
• Leave at least 75 mm between the S8AS and other devices above and
below it.
S8AS
Fan
Control
panel
Vent