IAI MSEL, Instruction Manual, Page: 98 / 234

Chapter 4 Home-Return /
Absolute Reset
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4.4 Simple Absolute Type (PC/PG/PCF/PGF Type Dedicated)
A Simple Absolute Type controller retains the position data of an encoder in battery backup. It
is not necessary to perform a home-return operation every time you turn it on.
To retain the encoder position data, it is necessary to register (absolute reset) the home
position.
It is available to check in the illuminating patterns on the status LED lamps for the drivers for
each axis whether it is necessary to conduct an absolute reset or not. Have an absolute reset
conducted when the status LED lamp for driver shows absolute reset is incomplete.
4.4.1 Status LED
It displays the status (condition) for absolute for each connected axis.
○ : Illuminating, ×: OFF,
☆
: Flashing
4.4.2 Absolute Reset Preparation
Stated below is the procedure to conduct an absolute reset.
(In this manual, shows the procedure using the PC software. For handling and procedure on a
teaching pendant, refer to each instruction manual.)
1) For handling and procedure on a teaching pendant, refer to each instruction manual.
[Refer to Chapter 1 or Chapter 2]
2) Turn ON the power to the controller and connect the PC software.
3) Follow the section of the procedure for absolute to perform a reset.
Name Lamp
condition Color
Description
○ Green Battery fully charged
○ Orange Battery in charge
0
○ Red Battery not connected
Name Lamp Condition
of 1 (Color)
Lamp Condition
of 2 (Color)
Description
○ (Green) ○ (Green) Absolute Reset Complete
○ (Red) ○ (Green) Absolute Reset Incomplete
1,2
- ○ (Red) Alarm