YOKOGAWA CENTUM CS, Technical Information

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1. System Installation Requirements
1-3
TI 33J01J10-01EN
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Clearance From The Wall and The Floor Surface
There are ventilation holes on the front and rear doors of the cabinets (AFV40S/AFV40D, and
ACB51). To ensure good air ventilation and easy maintenance, provide a clearance of at least
1000 mm (including the service areas) from the wall to the front and rear doors of the cabinets.
Also make sure the height of the ceiling is at least 2400 mm from the floor.
Current flow Wall
1000
mm
or
more
2400 mm
or more
Ceiling
Floor surface
F010101.ai
Ventilation
holes
Side of
Cabinet
Filters (outside)
and fans (inside)
Cabinet Cabinet
Figure Wall Clearance and Ceiling Height
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Illumination
The illumination level around a display unit should be 700 to 1500 lux (target illumination level:
1000 lux). The illumination level inside the control room should be reasonably uniform. Select
proper light fixtures and install them in positions where they don’t cause glare on the LCDs.
TIP
REFERENCE (Illumination standards):
For ultra-precision work: 1500 to 3000 lux (illumination level: 2000)
For precision work: 700 to 1500 lux (illumination level: 1000)
For ordinary work: 300 to 700 lux (illumination level: 500)
For non-detail work: 150 to 300 lux (illumination level: 200)
Passages, warehouses: 30 to 150 lux (illumination level: 50 to 100)
(Source: JIS Z9110)
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Outlets for Maintenance
Outlets (approx. 1.5 kVA) for measurement devices should be provided near the installed
equipment for maintenance.
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Telephone
Telephones should be installed for communications with related stations.
Mar. 6, 2015-00