Battery Replacement - YASKAWA SGDV User Manual

5.9.3 Battery Replacement

If the battery voltage drops to approximately 2.7 V or less, an absolute encoder battery error alarm (A.830) or
an absolute encoder battery error warning (A.930) will be displayed.
If this alarm or warning is displayed, replace the batteries using the following procedure.
Use Pn008.0 to set either an alarm (A.830) or a warning (A.930).
Parameter
n.
[Factory setting]
Pn008
n.
• If Pn008.0 is set to 0, alarm detection will be enabled for 4 seconds after the ALM signal outputs max. 5 sec-
onds when the control power is turned ON.
No battery-related alarm will be displayed even if the battery voltage drops below the specified value after
these 4 seconds.
• If Pn008.0 is set to 1, alarm detection will be always enabled after the ALM signal outputs max. 5 seconds
when the control power supply is turned ON.
OFF
Control power
ALM
Alarm status
Alarm A.830
(Pn008.0 = 0)
Warning A.930
(Pn008.0 = 1)
0
Outputs the alarm A.830 when the battery voltage
drops.
Outputs the warning A.930 when the battery voltage
1
drops.
ON
Normal status
5 s max.
4 s
Battery
voltage being
monitored
Battery voltage
being monitored
Meaning
5.9 Absolute Encoders
When
Classification
Enabled
After restart Setup
5
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