1. METHOD OF REPLACING BATTERY
Replace the alkaline batteries for the absolute pulse coder, used by the
servo amplifier, as described below.
Prepare 4 alkaline batteries (UM–1type) commercially available in
Procedure for replacing batteries for absolute pulse coder
1 Turn machine (NC) power ON.
2 Loosen screws on the battery case to remove the cover. For placement
of the battery case, refer to the machine tool builder’s manual.
3 Replace the batteries in the case. Insert 2 batteries each in the opposite
direction as illustrated below.
4 After replacement, install the cover.
5 Turn machine (NC) power OFF
Replace the batteries for absolute pulse coder when NC
power is ON.
Replacing the batteries with power OFF causes the
absolute position stored in memory to be lost.