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ProNet Series AC Servo User's Manual
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4.4.3 Replacing Battery
The servo drive will generate an absolute encoder battery alarm (A.48) when the battery voltage drops below about 3.1V.
„ Battery Replacement Procedure
1. Replace the battery with only the servo drive control power supply turned ON.
2. After replacing the battery, using the panel operator with utility function Fn011 to cancel the absolute encoder battery
alarm (A.48).
3. Turn ON the servo drive power back again. If it operates without any problems, the battery replacement has been
completed.
Note:
· The servo drive will generate an absolute encoder battery alarm (A.48) when the battery voltage drops below about 3.1V.
·
If an absolute encoder battery alarm (A.47) occurred, it means the battery voltage drops below about 2.5V, and the
multiturn data is lost. Please reset the absolute encoder after changing the battery.
4.4.4 Absolute Encoder Setup(Fn010
、
Fn011)
Setting up the absolute encoder in the following cases.
·
When starting the machine for the first time,set Pn002.2 to 0.
·
When an encoder error alarm (A.45
～
A.48, A.51) is generated.
Use the panel operator in the servo drive for setup.
Note:
1. Encoder setup operation is only possible when the servo is OFF.
2. If the absolute encoder alarms(A.45 ～ A.48 ， A.51 ) are displayed, cancel the alarm by using the same method as the
setup. They cannot be cancelled with the servo drive alarm reset input signal(/ALM-RST).
3. Any other alarms that monitor the inside of the encoder should be cancelled by turning OFF the power.