10.1 Inspections and Part Replacement
10.1.3 Replacing the Battery
10
Maintenance
10-3
10.1.3
Replacing the Battery
If the battery voltage drops to approximately 2.7 V or less, an A.830 alarm (Encoder Battery
Alarm) or an A.930 warning (Absolute Encoder Battery Error) will be displayed.
If this alarm or warning is displayed, the battery must be replaced.
Refer to the following section for the battery replacement procedure.
Battery Alarm/Warning Selection
Whether to display an alarm or a warning is determined by the setting of Pn008 = n.
X
(Low Battery Voltage Alarm/Warning Selection).
•
Pn008 = n.
0
•
The ALM (Servo Alarm) signal is output for up to five seconds when the control power supply
is turned ON, and then the battery voltage is monitored for four seconds.
No alarm will be displayed even if the battery voltage drops below the specified value after
these four seconds.
•
Pn008 = n.
1
The ALM (Servo Alarm) signal is output for up to five seconds when the control power supply
is turned ON, and then the battery voltage is monitored continuously.
Parameter
Meaning
When Enabled
Classification
Pn008
n.
0
(default setting)
Output alarm (A.830) for low battery voltage.
After restart
Setup
n.
1
Output warning (A.930) for low battery volt-
age.
Normal
s
tatu
s
Control power
s
upply
Battery voltage monitored
Battery voltage
monitored
ON
Alarm
OFF
ALM
s
ignal
5
s
max.
4
s
When di
s
playing an alarm i
s
s
pecified:
Pn008 = n.
0
When di
s
playing a warning i
s
s
pecified:
Pn008 = n.
1