Inspection - Omron CQM1H-SCB41 Operation Manual

Cleaning and Inspection
9-3-2

Inspection

Materials for Inspection
Inspection Items
134
To keep the Serial Communications Board in optimum condition, regular
inspections must be performed. Normally, inspect the devices once every six
months or every year. Inspect the devices at more regular intervals when they
are being used in environments subject to high temperatures, high humidity,
or high dust levels.
Prepare the following materials before performing any inspections.
Materials Required Daily
For daily inspection, a Phillips screwdriver, flat-blade screwdriver, tester (or
digital voltmeter), industrial strength alcohol, and all-cotton cloth are required.
Materials Required Occasionally
For some inspections, a synchroscope, a pen oscilloscope, a temperature
gauge, and a hygrometer will be required.
Inspect the following items to check whether the Serial Communications
Board is operating within the specified criterion. If the Serial Communications
Board is not within the criterion, improve the ambient operating environment
and readjust the device.
Item
Operating Check the ambient temperature
environment and the temperature inside the
control panel.
Check the ambient humidify and
the humidity inside the control
panel.
Check for accumulated dust.
Installation Check that the Serial Communi-
cations Board is mounted
securely.
Check for loose screws on the
communications cables.
Check for damaged communica-
tions cables.
Details Criterion
0 to 55 C
10% to 90% RH
(no condensa-
tion or icing)
No dust
Board must be
mounted
securely.
Screws must be
securely tight-
ened.
Cables should
be fully intact.
Section 9-3
Inspection
materials
Temperature
gauge
Hygrometer
Visual inspec-
tion
---
Phillips screw-
driver
Visual inspec-
tion