Periodic Maintenance And Inspection; Tools Required For Inspections; Periodic Inspection - Omron CP1E-ED User Manual

7 Maintenance and Inspection
7-1

Periodic Maintenance and Inspection

This section describes periodic inspections and maintenance of CP1E PLCs.
Daily or periodic inspections are required in order to maintain the PLC's functions in peak operating
condition.
7-1-1

Tools Required for Inspections

Required Tools
• Phillips screwdrivers
• Voltage tester or digital voltmeter
• Industrial alcohol and clean cotton cloth
Tools Required Occasionally
• Synchroscope
• Oscilloscope with pen plotter
• Thermometer and hygrometer (humidity meter)
7-1-2

Periodic Inspection

Although the major components in CP-series PLCs have an extremely long life time, they can deterio-
rate under improper environmental conditions. Periodic inspections are thus required to ensure that the
required conditions are being kept.
Inspection is recommended at least once every six months to a year, but more frequent inspections will
be necessary in adverse environments.
Take immediate steps to correct the situation if any of the conditions in the following table are not met.
Battery
Item
Check whether the Battery
has reached its service life
(CP1W-BAT01 Battery).
7-2
Life
Service life expectancy Replace the Battery when its service life has passed
is 5 years at 25ºC, less even if a Battery error has not occurred. The service life
at higher temperatures. depends on the model and ambient temperature.
(From 1.5 to 5 years Refer to 7-2 Replacing the Battery in N/NA-type CPU
depending on model and Units.
ambient temperature.)
Remedy
CP1E CPU Unit Hardware User's Manual(W479)