User`s manual

Batteries Memory cards and batteries

MELSEC System Q, Hardware 5 – 11

Q7BAT-SET battery installation procedure

The standard battery can be replaced by the battery Q7BAT with considerable higher capacity,

except for basic model CPUs Q00JCPU, Q00CPU and Q01CPU. The Q7BAT is not inserted into

the battery holder of the CPU module, but mounted with a separate housing under the CPU mod-

ule.

 Open the CPU module bottom cover.

 Disconnect the connector connecting the Q6BAT to the CPU module.

 Remove the Q6BAT and cover from the CPU module.

 Connect the Q7BAT-SET (Battery Q7BAT and battery holder) to the battery connector of the

CPU module and set it into the connector holder of the battery holder.

 Mount the battery holder to the CPU module. The same notches are for fixing as for the

cover of the battery case.

Fig. 5-12: Q7BAT-SET battery installation procedure

Fig. 5-11:

Location of the battery at the bottom side of

the module

NOTE Battery Q7BAT is not available in EU countries.

The following description of mounting the battery Q7BAT is for operation of the MELSEC

PLC in a non EU country and for increasing the battery capacity.

For dimensions of the CPU modules with mounted battery Q7BAT refer to the appendix.

QH00100C

Battery

CPU module

Connector

stopper

QCPU

Connector

Q7BAT-SET

CPU module bottom

CPU module front