Rockwell Automation 1771-QDC, D17716.5.93(Passport) PLASTIC MOLDING MODULE - Manual (Page 26)

Overview of Inject, Clamp, and Eject Mode
Chapter 1
1-14
You may use up to three ejector-advance profile segments, and select from
these control modes:
velocity vs. position
pressure vs. position
Figure 1.17
Example Ejector Advance
Velocity
0
Ejector
Fully Advanced Position
Velocity
Position
Ejector Advance
1
Segments
2
3
Important: If you need only one ejector-advance motion, configure only
the 1st advance segment.
Ejector Retract
After ejector advance is completed, the QDC module executes ejector
retract. Similar to ejector advance, you retract the ejector with up to three
profile segments. You may select from these control modes:
velocity vs. position
pressure vs. position
Figure 1.18
Example Ejector Retract
0
Ejector
Fully Advanced Position
Velocity
Velocity
Position
Ejector Retract
2
Segments
3
1