YASKAWA SGD7S Product Manual
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Contents
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12.1 Inspections and Part Replacement12.1.3 Replacing the Battery12-312 Maintenance12.1.3 Replacing the BatteryIf the battery voltage drops to approximately 2.7 V or less, an A.830 alarm (Encoder BatteryAlarm) or an A.930 warning (Encoder Battery Warning) 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 Replacement Procedure on page 12-3Battery Alarm/Warning SelectionWhether 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 supplyis 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 afterthese four seconds.• Pn008 = n.1The ALM (Servo Alarm) signal is output for up to five seconds when the control power supplyis turned ON, and then the battery voltage is monitored continuously.Battery Replacement Procedure When Installing a Battery on the Host Controller1. Turn ON only the control power supply to the SERVOPACK.2. Remove the old battery and mount a new battery.3. Turn OFF the control power supply to the SERVOPACK to clear the A.830 alarm (Abso-lute Encoder Battery Error).4. Turn ON the control power supply to the SERVOPACK again.5. Make sure that the alarm has been cleared and that the SERVOPACK operates normally.Parameter Meaning When Enabled ClassificationPn008n.0(default setting) Output alarm (A.830) for low battery voltage. After restart Setupn.1 Output warning (A.930) for low battery voltage.4 s5 s max.When displaying a warning is specified:Pn008 = n. 1When displaying an alarm is specified:Pn008 = n. 0ALMOFFAlarmONBattery voltagemonitoredBattery voltage monitoredControl power supplyNormal status |
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