Yaskawa SGDS Sigma III Servo Amplifier - Manual (Page 226)

7.7 Absolute Encoders
7-37
7.7.4 Absolute Encoder Home Position Offset
When an absolute encoder is used, the offset between the encoder position and the feedback position (APOS) can
be set.
Settings are as shown in the following figure. To set encoder position (X) as the machine home position (0), set
Pn808 to -X.
Pn808
Pn809 Absolute Home Position Offset
Setting Range Setting Unit Factory Setting Setting Validation
-1073741823 to 1073741823 1 reference unit 0 Immediately
Position
Machine zero point (APOS)
Zero point
Encoder position
Encoder position: Zero point
Encoder position: X
Pn808