Battery Installation Procedure - Mitsubishi Electric Melservo-J3 Series MR-J3-B Instruction Manual

12. ABSOLUTE POSITION DETECTION SYSTEM

12.3 Battery installation procedure

WARNING
(1) For MR-J3-350B or less MR-J3-200B4 or less
Before installing a battery, turn off the main circuit power while keeping the control
circuit power on. Wait for 15 minutes or more (20 minutes or for drive unit 30kW or
more) until the charge lamp turns off. Then, confirm that the voltage between P( )
and N( ) (L and L
and others. Otherwise, an electric shock may occur. In addition, always confirm
from the front of the servo amplifier whether the charge lamp is off or not.
POINT
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.
Before starting battery changing procedure, make sure that the main circuit
power is switched OFF with the control circuit power ON. When battery is
changed with the control power OFF, the absolute position data is lost.
POINT
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 drive unit 30kW or more) is safe with a voltage tester
Insert connector into CN4.
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