
1.AXIS CONTROL B-63943EN-1/02
- 120 -
Caution
CAUTION
The normal voltage of the backup batteries for an
absolute pulse coder is 6 V. The voltage drops as
time goes by.
6V
PBATL
PBATZ
4.5V
1.5V
PBATL: Battery voltage low alarm
This alarm is output when the voltage becomes 4.5
V or less.
When this alarm is output, "BAT" is displayed on the
status bar on the screen.
After that, when the power to the CNC is turned off,
then on again, the message "DS307 APC alarm:
battery low 1" is displayed.
PBATZ: Battery voltage zero alarm
When the power to the CNC is turned off, then on
again after the voltage becomes 1.5 V or less, the
messages "DS300 APC alarm: reference position
return" and "DS306 APC alarm: battery voltage 0"
are displayed.