Yaskawa MP940 Reference Manual - Manual (Page 215)

MotionSuite™ MP940 Machine Controller Reference Manual Parameter Details
6-15
The zero-point return formats are as follows:
0: DEC1 + C-phase Pulse Format
Executes zero-point return in 3-stage speed switching format.
6: DEC2 + C-phase Pulse Format
Exectes zero-point return by reversing at approach speed, then searching for
the zero-point at creep speed. This format is used in machines that require
repeat precision.
Speed
Reference
0
Fast Feed
Speed
Reverse Forward
Zero Point
Creep Speed
Approach
Speed
Dog-leg
(deceleration LS)
Zero-Point Signal
(C-phase pulse)
Time
Zero Point
Return
Position
Zero Point Return Final
Run Range
1. 2. 3. 4.
Speed
Reference
0
Fast Feed Speed
Reverse − Forward
Zero Point
Creep Speed
Approach Speed
Dog-Leg
(Deceleration LS)
Zero Point Signal
(C-phase pulse)
Time
2.
5.
4. 3.
6.
Zero Point Return
Position
Zero point return final
run distance