Omron CP1H-CPU - 05-2006, Руководство по эксплуатации

Страница: 514 / 669

483
Inspections
Section 10-1
Note The following table shows the allowable voltage fluctuation ranges for source
power supplies.
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
10-1-2 Unit Replacement Precautions
Check the following when replacing any faulty Unit.
• Do not replace a Unit until the power is turned OFF.
• Check the new Unit to make sure that there are no errors.
• If a faulty Unit is being returned for repair, describe the problem in as
much detail as possible, enclose this description with the Unit, and return
the Unit to your OMRON representative.
• For poor contact, take a clean cotton cloth, soak the cloth in industrial
alcohol, and carefully wipe the contacts clean. Be sure to remove any lint
prior to remounting the Unit.
4 Installation and
wiring Check that each Unit is con-
nected securely and locked in
place. No looseness Press the connectors together
completely and lock them with the
sliders.
Check that the Option Boards
and cable connectors are fully
inserted and locked. No looseness Correct any improperly installed
connectors.
Check for loose screws in
external wiring. No looseness Tighten loose screws with a Phillips
screwdriver.
Check crimp connectors in
external wiring. Adequate spacing between
connectors Check visually and adjust if neces-
sary.
Check for damaged external
wiring cables. No damage Check visually and replace cables if
necessary.
5 User-service-
able parts Check whether the battery
has reached its service life.
CJ1W-BAT01 Battery
Service life expectancy is 5
years at 25
°
C, less at
higher temperatures.
(From 0.75 to 5 years
depending on model,
power supply rate, and
ambient temperature.)
Replace the battery when its ser-
vice life has passed even if a bat-
tery error has not occurred.
CPU Unit Supply voltage Allowable voltage range
CP1H-X40DR-A
CP1H-XA40DR-A
100 to 240 V AC 85 to 264 V AC
(+10%/
−
15%)
CP1H-X40DT-D
CP1H-X40DT1-D
CP1H-XA40DT-D
CP1H-XA40DT1-D
CP1H-Y20DT-D
24 V DC 20.4 to 26.4 V DC
(+10%/
−
15%)
No. Item Inspection Criteria Action