IAI America SCON-CA - Manual (Page 195)

Chapter 7
Absolute Reset and
Absolute Battery
185
Chapter 7 Absolute Reset and Absolute Battery
7.1 Absolute Reset
The controller of absolute specification holds encoder position information by battery backup. It
is not necessary to perform the home-return operation every time the power is turned ON.
In order to hold the encoder position information, absolute reset is required.
Provide absolute reset in the following cases:
(1) Initial activation
(2) Replacement of absolute battery
(3) Disconnection of encoder cable from controller
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.
� �
Caution: If it is Pulse Train Control Mode, it would not comply with absolute type. Take
the greatest care.
[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
1) Select position data on the main screen and click the Alarm button.
2) Select the position data in the main window and press Servo � Home.