7. Absolute Reset and Absolute Battery
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Chapter 7 Absolute Reset and Absolute Battery
7.1 Absolute Reset
The Battery-less absolute type or absolute type, controllers retain the encoder position data
even with power is OFF. For those types, it is unnecessary to perform home-return operation
every time the power is turned on.
For Absolute Type, register the home position (absolute reset) in case of (1) to (3).
(1) Initial activation
(2) When the power to the controller is turned off and absolute battery is replaced
(3) The encoder cable is taken off the controller
For Battery-less Absolute Type, register the home position in case of (1) to (2).
(1) Initial activation
(2) Replacement of motor
The absolute reset is performed by using a teaching tool such as PC software or PIO.
Each of the absolute reset procedures is described below.
[1] Absolute Reset Procedure from Teaching Tool
1) Connect the controller with the actuator. [Refer to Chapters 1 and 2.]
2) Connect the absolute battery (Enclosed battery if starting up for the first time, new battery if
replacing) to the absolute battery connecting connector on the front panel of the controller.
[Refer to 7.2]
3) Connect the teaching tool, set the operation mode setting switch on the front panel of the
controller to MANU side, and then turn the controller ON.
4) The absolute encoder error appears on the teaching tool. Perform alarm reset.
5) Perform home-return operation. Once the home return is complete, the point of origin is
memorized at the same time the origin point is established.
In below explains the procedure using each teaching tool:
(1) For PC software
Select position data on the main screen and click the Alarm button.
Turn the servo ON with Servo button, and press Home button.
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