YASKAWA SGDH User Manual page 467

(4) Transferring Alarm Contents
When an absolute encoder is used, SEN signals can be utilized to transfer the alarm detection contents from PAO
outputs to the host controller as serial data.
For alarm list, refer to 10.1.1 Alarm Display Table.
SEN Signal
Panel Operator
(Digital Operator)
Display
PAO
Serial Data
Error detection
H
or
Incremental pulse
8-35
8.4 Absolute Encoders
L
Overspeed
ALM81
Serial Data
CR
8