YASKAWA Sigma-V Series User Manual page 135

4 Operation
4.6.5 Absolute Data Reception Sequence
(4) Transferring Alarm Contents
If an absolute encoder is used, the contents of alarms detected by the multi-winding drive unit are transmitted
in serial data to the host controller from the PAO output when the Turn Encoder Power Supply OFF command
(SENS_OFF) is received.
Note: The SENS_OFF command cannot be received while the servomotor power is ON.
Output example of alarm contents are as shown below.
Turn Encoder
Power Supply
OFF
(SENS_OFF)
Panel Display
PAO Output
4-44
Error detection
or
Incremental pulse
Encoder power supply ON
Overspeed
Serial Data
Enlarged view
Serial Data Format
A L M 5
" " " " " " " " " "
Upper 2 digits
Encoder power
M-II
supply OFF
1 . CR
" " " "