Mitsubishi Electric MELSERVO-J5 User Manual page 437

Battery replacement procedure
Replace the battery while only the control circuit power supply is on. Replacing the battery with the control circuit power
supply on triggers [AL. 09F.1 Low battery]. However, the absolute position data will not be erased.
■Precautions
Turn off the power and wait for 15 minutes or more until the charge light of the servo amplifier turns off. Checking the voltage
between P+ and N- using the tester, etc. is recommended.
The servo amplifier may be damaged by static electricity. Take the following precautions.
• Ensure that the work bench and your body are grounded.
• Do not directly touch conductive areas such as the connector pins and electrical parts.
Replacing batteries with the control circuit power supply off will erase the absolute position data.
Before replacing batteries, check that the new battery is within battery life.
■Battery installation and removal procedure
• Fitting method
Servo amplifiers with a battery holder on the bottom cannot have wiring for grounding when batteries are
mounted. Mount the battery after grounding the servo amplifier.
Mount a battery, and insert the plug into the CN4 connector.
• Removal procedure
Precautions
• Pulling out the connector of the battery without the lock release lever pressed may damage the CN4 connector of the servo
amplifier or the connector of the battery.
While pressing the lock release lever,
pull out the connector.
Press down the lock release lever,
and slide the battery toward you.
11 USING A DIRECT DRIVE MOTOR
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11.8 Battery