Process control options – Rockwell Automation 1771-QDC PLASTIC MOLD.MODULE User Manual
Page 284
5–2
Module Specifications
Publication 1771-6.5.88 – July 1997
The following table lists process control options.
Phase:
Type of Profile:
Mode:
Injection phase: 10-step profile with
selectable transition
velocity vs. position
or
velocity vs. position pressure limited
or
injection pressure vs. position
or
injection pressure vs. time
open/closed with ERC
open/closed with ERC
open/closed with ERC
open/closed with ERC
Selectable Transition dependent on:
S
Time
S
Ram (screw) pressure
S
Cavity pressure
S
or Ram (screw) position
N/A
N/A
Pack phase: 5-step profile
ram (screw) pressure vs. time
or
cavity pressure vs. time
open/closed with ERC
open/closed with ERC
Hold phase: 5-step profile
ram (screw) pressure vs. time
or
cavity pressure vs. time
open/closed with ERC
open/closed with ERC
Plastication phase: 10-step profile
backpressure vs. position
or
backpressure vs. time
or
screw RPM vs. position
or
screw RPM vs. time
open/closed with ERC
open/closed with ERC
open/closed with ERC
open/closed with ERC
Clamp close phase: three 3-step profiles
(for a total of 9 steps)
velocity vs. position
or
pressure vs. position
open/closed with ERC
open/closed with ERC
Clamp low pressure close with re-try: 2-step profile
pressure vs. position
open/closed with ERC
Clamp open phase: three 3-step profiles
(for a total of 9 steps)
velocity vs. position
or
pressure vs. position
open/closed with ERC
open/closed with ERC
Clamp open slow phase: 2-step profile
velocity vs. position
or
pressure vs. position
open/closed with ERC
open/closed with ERC
Ejector adv. phase: 3-step profile (with tip strokes)
velocity vs. position
or
pressure vs. position
open/closed with ERC
open/closed with ERC
Ejector ret. phase: 3-step profile
velocity vs. position
or
pressure vs. position
open/closed with ERC
open/closed with ERC
Alarms
Process
Programming
N/A
Control Options
P, I, PI, PD, PID, and FF
Expert Response Compensation
Open/Closed Loop
N/A
Process Control Options