3G5A2-RPT01-PE datasheet(83/182 Pages) OMRON

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4-1

CPU Battery

When the battery is nearly discharged, the ALARM indicator will blink, bit

A42615 will turn ON, and the message “BATT LOW” will appear on the Program-

ming Device. When this occurs, replace the battery within one week to avoid loss

of data. The battery and connector are provided as a set. To replace the Battery

Set, follow the steps below. The entire replacement must be completed within

five minutes to ensure that the data will not be lost.

Caution

Do not short circuit, charge, disassemble, or expose the battery to heat. The bat-

tery fluid is flammable and if mishandled, may cause a fire or explosion. Do not

incinerate the battery after use.

The expected life of the battery is 5 years for any CPU. The memory backup

times are given in the following table.

Model

Backup time without power supplied

Guaranteed value

Effective value

CV500 or CVM1-CPU01-EV2

9,000 hours

(approx. 1 year)

43,000 hours

(approx. 5 years)

CV1000/CV2000/CVM1-CPU21-EV2

without Expansion DM or

CVM1-CPU11-EV2

5,600 hours

(approx. 0.6 year)

CV1000/CV2000/CVM1-CPU21-EV2

with Expansion DM

2,900 hours

(approx. 0.3 year)

Guaranteed value:

Memory backup time without power supplied at 55

°C.

Effective value:

Memory backup time without power supplied at 25

°C.

Battery Replacement

1, 2, 3...

1. Turn on power to the PC for at least one minute.

2. Turn off power to the PC. (Although the battery can be replaced while power

is being applied to the PC, it is not recommended, as short-circuiting is likely

to occur.)

3. Remove the cover from the battery compartment.

4. Remove the old Battery Set.

5. Install the new Battery Set as shown below.

Battery connector

Battery holder

Battery Set C500-BAT08

6. Replace the cover of the battery compartment.

7. When a Programming Console is mounted to the CPU after the battery has

been replaced, “BATT LOW” will be displayed. This message can be

cleared by pressing CLR, FUN, MONTR, or just turning the power to the PC

OFF and ON again.

CPU Battery

Section 4-1

3G5A2-RPT01-PE Datasheet(PDF) 83 Page - Omron Electronics LLC

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