112
SECTION 7
Regu
la
r Ins
p
ec
tion
CIDRW System
User’s Manual
SECTION 7
Appendix
Regular Inspection
In order to maintain optimum performance of the functions of the CIDRW system, daily and periodic
inspections are necessary.
Inspection item
Detail
Criteria
Tools required
Supply voltage fluctuation
Check that the supply voltage fluctuation
at the power supply terminal block is
within the permissible range.
To be within supply voltage rating.
Multimeter
Check that there are no frequent instan-
taneous power failures or radical voltage
drops.
To be within permissible voltage fluctua-
tion range.
Power supply
analyzer
Environment
Ambient tem-
perature
Check that the ambient temperature and
humidity are within specified range.
To be within the specified range.
Maximum and
minimum ther-
mometer
Hygrometer
Ambient
humidity
Vibration and
shock
Check that no vibration or shock is trans-
mitted from any machines.
Dust
Check that the system is free of dust
accumulation.
To be none.
Corrosive gas
Check that no metal part of the system is
discolored or corroded.
I/O power
supply
Voltage fluctu-
ation
Check on the I/O terminal block that the
voltage fluctuation and ripple are within
the permissible ranges.
To be within the specified range.
Multimeter
Oscilloscope
Ripple
Mounting condition
Check that each device is securely
mounted.
There must be no loose screws.
—
Check that each connector is securely
connected.
Each connector must be locked or
securely tightened with screws.
Check that no wire is broken or nearly
broken.
There must be no wire that is broken or
nearly broken.
Check if grounding to 100
Ω
or less has
been done.
To be grounded to 100
Ω
or less.
Содержание V640 Series
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