YASKAWA Σ-V Series User Manual page 100

• Forward/Reverse Pass over 1st Zero Point Signal (Ref) after Turning Power ON
Machine position (Forward direction)
Power ON
Zero point signal
Ref
Phase C
No zero point signal (Ref) is sent from the linear scale.
However, a phase-C pulse will be sent from the SERVOPACK
when moving in the reverse direction, because it is the same
position from which a phase-C pulse was sent from the
SERVOPACK when moving in a forward direction.
• Reverse/Forward Pass over 1st Zero Point Signal (Ref) after Turning Power ON
Machine position (Forward direction)
Power ON
Zero point signal
Ref
Phase C
No zero point signal (Ref) is sent from the linear scale.
However, a phase-C pulse will be sent from the SERVOPACK
when moving in the forward direction, because it is the same
position from which a phase-C pulse was sent from the
SERVOPACK when moving in a reverse direction.
4.2 Settings for Common Basic Functions
Time
Second pulse is half as wide
as the phase-A pulse.
Time
Second pulse is half as wide
as the phase-A pulse.
4
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