Panasonic minas a4 series Instruction Manual page 270

Absolute System
Battery (for Backup) Installation
First Installation of the Battery
After installing and connecting the back-up battery to the motor, execute an absolute encoder setup. Refer
to P.271, "Setup (initialization) of Absolute Encoder ".
It is recommended to perform ON/OFF action once a day after installing the battery for refreshing the bat-
tery.
A battery error might occur due to voltage delay of the battery if you fail to carry out the battery refreshment.
Replacement of the Battery
It is necessary to replace the battery for absolute encoder when battery alarm occurs.
Replace while turning on the control power. Data stored in the encoder might be lost when you replace the
battery while the control power of the driver is off.
After replacing the battery, clear the battery alarm. Refer to P.275, "How to Clear the Battery Alarm".
<Caution>
When you execute the absolute encoder with the front panel (refer to P.77 of Preparation), or via communi-
cation (refer to P.302), all of error and multi-turn data will be cleared together with alarm, and you are
required to execute "Setup (Initialization) of absolute encoder" (refer to P.271).
How to Replace the Battery
1) Refresh the new battery.
Connector with lead wire of the
battery to CN601 and leave of 5
min. Pull out the connector from
CN601 5 min after.
CN601
Pull out after 5 min.
connection
3) Install the battery to the battery box.
Place the battery with + facing downward.
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2) Take off the cover of the battery box.
and take off the cover.
Raise the latch
Connect the connector.