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14. ABSOLUTE POSITION DETECTION SYSTEM
14.3 Battery replacement procedure
WARNING
Before replacement a battery, turn off the main circuit power and wait for 15
minutes or longer (20 minutes for 30kW or higher) 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, always confirm from the front
of the driver whether the charge lamp is off or not.
POINT
The internal circuits of the driver 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.
14.3.1 When replacing battery with the control circuit power ON
POINT
Replacing battery with the control circuit power OFF will erase the absolute
position data.
Replacing battery with the control circuit power ON will not erase the absolute position data. Refer to section
14.4 for installation procedure of battery to the driver.
14.4 Battery installation procedure
POINT
For the driver 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 driver.
Insert connector
into CN4.
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