Yaskawa MP920 Motion Module - Manual (Page 94)

2 Motion Control
2.4.4 Zero Point Return (ZRET)
2-68
„ User Program Example: Zero Point Return
Example of RUN Operation
Fig. 2.19 Example of a Zero Point Pattern (DEC1 + Phase-C Pulse Signal Method)
0
1. 2. 3. 4.
Speed
reference
Rapid traverse
speed
Dog
(Deceleration limit switch)
Zero point signal
(Phase-C pulse)
Creep speed
Approach
speed
Zero point
Zero point
return position
Time
Zero point return
final travel distance
Reverse direction ← → Forward direction