How To Replace The Battery - Omron CS1W-LC001 Operation Manual

Maintenance
7-2-3

How to Replace the Battery

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5. Turn OFF the power supply to the PC.
6. Turn ON pin 2 of the DIP switch.
7. Turn ON the power supply to the PC. The contents of flash memory will
be copied to RAM and operation will start.
8. Turn OFF the power supply to the PC.
9. Replace the battery.
10. Turn OFF pin 2 of the DIP switch.
11. Turn ON the power supply to the PC.
The internal battery backs up the following data on the Loop Control Unit:
Á
Function block data
Á
Error log stored data
Note 1 The battery will run flat after 120 hours of continuous operation after the ERC
LED starts to blink. When the battery runs flat, the above data backed up on
the Loop Control Unit will be lost.
Check the battery connection. If it is connected correctly, follow the
procedure below to replace the battery.
Note 2 The battery can be replaced while the Loop Control Unit is powered ON.
However, before you replace the battery while the Loop Control Unit is ON,
be sure to touch a grounded metal object to discharge any static electricity
from your body.
1. Pull down the battery compartment cover on the front of the Loop Control
Unit.
2. Remove the battery compartment cover.
CS
LC001
RUN
ERH
ERC
SD
RD
UNIT
No.
BA TTE RY
Section 7-2