Mitsubishi Electric MELSERVO-J4 Series Instruction Manual page 388

Battery replacement procedure
WARNING
• Before replacing a battery, turn off the main circuit power and wait for 15 minutes or longer until the charge lamp turns off. Then, check the voltage between
P+ and N- with a voltage tester or others. Otherwise, an electric shock may occur. In addition, when confirming whether the charge lamp is off or not, always
confirm it from the front of the servo amplifier.
CAUTION
• The internal circuits of the servo amplifier may be damaged by static electricity. Always take the following precautions.
Ground human body and work bench.
Do not touch the conductive areas, such as connector pins and electrical parts, directly by hand.
• Replacing battery with the control circuit power off will erase the absolute position data.
• Before replacing batteries, check that the new battery is within battery life.
Replace the battery while only control circuit power is on. Replacing battery with the control circuit power on triggers [AL. 9F.1
Low battery]. However, the absolute position data will not be erased.
■Battery installation and removal procedure
• Installation procedure
For the servo amplifier with a battery holder on the bottom, it is not possible to wire for the earth with the
battery installed. Insert the battery after executing the earth wiring of the servo amplifier.
For the servo amplifier with a battery holder on the bottom
11 OPTIONS AND PERIPHERAL EQUIPMENT
386
11.8 Battery
Install a battery, and insert the
plug into CN4.