CHAPTER 11 ABSOLUTE POSITION SYSTEM

11.4 Battery Warning

A battery warning is issued if the battery voltage is lower than the value preset in the servo amplifier.

If this warning* is issued, replace the battery immediately.

* The battery warning is detected when the control power is turned on. If the battery is kept

installed and the system is left shut off for a long time, the battery life limit may be reached

before the battery warning is issued.

There are the following three ways to check the battery warning.

(1) OUT signal (assignment number: 45)

(2) [Monitor] - [Warning/Forecast monitor] of PC Loader

11

(3) Maintenance mode of keypad

The battery warning can be checked in the maintenance mode of the keypad.

SET

En03 0111 (1 sec. or over)

ESC

Cooling fan life forecast

Battery warning

Main circuit capacitor life

* Set PA2_78 (display transition at warning detection) at 1 (transition to warning display) to

automatically show (3) at the keypad.

11-6 Battery Warning