Chapter 7 Absolute Reset and Absolute Battery
POWER CON
PCON-CB/LC
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Chapter 7 Absolute Reset and Absolute Battery
7.1 Absolute Reset
In Simple Absolute Type and Battery-less Absolute Type, the encoder position information is
retained even when the power is OFF. For those types, it is unnecessary to perform
home-return operation every time the power is turned ON.
For Simple Absolute Type registers the home position in the cases of 1) to 3) (absolute reset) to
retain.
1) At initial startup
2) When the absolute battery was replaced with the power to the controller is shut, and
3) Disconnection of encoder cable from controller
Battery-less Absolute Type registers the home position in the cases of 1) and 2) stated below.
1) At motor replacement
2) When absolute error generated
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) For simple absolute type, 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 Chapters 7.2.]
3) Connect the teaching tool and turn ON the power of the controller.
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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