Battery Replacement - Omron SYSMAC CPM2B Operation Manual

Battery Replacement

Inspection items
Power supply Determine whether the voltage fluctuation
at the power supply terminals is within
specifications.
Environmental Is the ambient temperature inside the
conditions panel appropriate?
Is the ambient humidity inside the panel
appropriate?
Has dirt or dust collected?
I/O power supply Is the voltage fluctuation measured at the
I/O terminals within the standard range?
Installation status
Are all Boards securely installed?
Are all connection cables and connectors
inserted completely and locked?
Are any of the external wiring screws
loose?
Are any of the external wiring cables
frayed?
Product service life
Contact output relay
Battery (C500-BAT08)
Required Tools
7-6

Battery Replacement

WARNING
!
Precautions
Replacement Procedure
1, 2, 3...
126
The standard period for maintenance checks is 6 months to 1 year, but more fre-
quent checks are required if the PC is operated in more demanding conditions.
If the criteria are not met, adjust to within the specified ranges.
Details
Standard Tools (Required)
• Screwdrivers (Phillips and flat-blade)
• Voltage tester or digital voltage meter
• Industrial alcohol and a cotton cloth
Measurement Devices (May be Needed)
• Synchroscope
• Cathode-ray oscilloscope
• Thermometer, hygrometer
Note Do not attempt to disassemble, repair, or modify the PC in any way.
Do not drop, disassemble, crush, short-circuit, recharge, or dispose of the
battery in fire. The battery may explode, burn, or leak and cause personal injury.
Turn ON the power supply for at least 5 minutes before replacing the battery in
order to recharge the backup capacitor.
Turn OFF the power supply to the CPU Board before replacing the battery.
Use the procedure below when replacing the battery. This procedure must be
completed within 5 minutes to prevent loss of memory contents.
Dispose of the old battery properly.
CPU Boards that are equipped with a clock are also equipped with a backup bat-
tery that has a 5-year lifetime at 25_C. Use the following procedure when replac-
ing the backup battery.
1. Stop CPM2B operation and turn OFF the CPM2B's power supply.
Criteria
Within the voltage variation
range (20.4 to 26.4 VDC)
_
0 to 55 C
35% to 85% RH with no
condensation
None
Each I/O terminal must
conform to the specifications
Nothing is loose
Nothing is loose
Nothing is loose
No external abnormalities
Electrical:
Resistance load:
300,000 operations
Inductive load:
100,000 operations
Mechanical:
10,000,000 operations
5 years
Section 7-6
Remarks
Tester
Thermometer
Hygrometer
Visual inspection
Tester
Phillips screwdriver
Visual inspection
Phillips screwdriver
Visual inspection
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