B-30 REGULAR INSPECTION
14.2 Replacing the Servo Absolute Position Sensing Battery
Change the Absolute Position Sensing Batteries by following the procedure indicated below.
The type and mounting position of the Absolute Position Sensing Batteries vary depending
on the machine.
14.2.1 Type 1 (Alkaline Battery/Manganese Battery)
Change the batteries while power is being supplied to the NC. If the batteries are
changed with the NC power supply turned OFF, the absolute position data in the
memory will be lost.
<Battery position>
Battery box installed in the electrical cabinet door
<Changing interval>
Once a year
When the battery alarm message is displayed on the screen.
<Procedure>
1) Turn on the power.
2) Press the NC power switch (on).
3) Rotate the mounting screws in the CCW direction
with a flat screwdriver to remove the cover.
When the cover is removed, 4 alkaline cells (D) are
visible as shown in the figure on the left.
4) Change the batteries.
Always make sure the polarity of the batteries is
correct.
5) Mount the cover.
NOTE
CAUTION
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NOTE
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