Battery Replacement Procedure - Mitsubishi Electric Melsec-Q172DCPU User Manual

6 INSPECTION AND MAINTENANCE

6.5.2 Battery replacement procedure

(1) Battery replacement procedure of the Motion CPU module
When the battery has been exhausted, replace the battery with a new one in
accordance with the procedure shown below.
POINTS
When replacing the battery, pay attention to the following.
(1) The Multiple CPU power supply must be on for 10 minutes or longer before
dismounting the battery.
(2) Back up the data using MT Developer2 before starting replacement.
(3) Firstly back up the data stored in the Motion CPU to the personal computer
which is installed MT Developer2 then replace the battery with a new one.
After setting the battery, verify the backing up the data to the personal
computer which is installed MT Developer2 and the data in the Motion CPU
module, confirm the data is not changing.
In the following status, the backup time after power OFF is 3 minutes.
• The battery connector/Q6BAT lead connector is disconnected.
• The battery cable/lead wire of Q6BAT is broken.
QDS
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