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HOME ⊙ Other Brands ⊙ OMRON CJ Series PLC Practical Guide
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OMRON CJ Series PLC Practical Guide

来源: | 作者:FAN | 发布时间 :2026-04-23 | 18 次浏览: | 🔊 Click to read aloud ❚❚ ▶ | Share:

Replacement steps:

Power on the CPU for at least 5 minutes (charge the capacitor).

Disconnect the CPU power supply.

Open the battery compartment cover and carefully remove the old battery.

Unplug the battery connector and insert a new battery.

Reinstall the battery and close the compartment cover.

Notes:

It must be completed within 5 minutes after power failure, otherwise RAM data may be lost.

After replacement, clear the battery error through programming device (A40204 reset).

It is strictly prohibited to short-circuit, charge, disassemble or burn batteries.

6.3 Precautions for Flash Backup

The CJ1-H/CJ1M CPU automatically writes user programs and parameters to internal flash memory during the following operations:

Download the program through CX Programmer

Transfer programs through storage cards

Online editing

Never turn off the power when the BKUP indicator light is on, otherwise the data may be damaged.

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