Delphin ProfiMessage, Hardware Manual

Page: 124 / 322

Profi Message
Controller
type
Loop
(with com-
pensation)
P I PI PD PID
Pure dead time Unusable
A little
worse
than PI Setpoint
and dis-
turbance
Unusable Unusable
Dead time and
delay
1. Order
Unusable
Worse
than PI
A little
worse than
PID
Unusable
Setpoint
and dis-
turbance
Dead time and
delay
2. Order
Unsuit-
able
Bad
Worse
than PID
Bad
Setpoint
and dis-
turbance
Delay
1. Order and
small dead
time (delay
time)
Refer-
ence Unsuit-
able Inter-
ference
Setpoint
with
delay
time Dis-
turbance
with delay
time
Higher order
Unsuit-
able Worse
than PID
A little
worse than
PID
Unsuit-
able
Setpoint
and dis-
turbance
Without com-
pensation and
with delay Setpoint
(without
delay) Unus-
able,
unstable
Dis-
turbance
(without
delay)
Refer-
ence Inter-
ference
4.7.14.2 Controller parameter settings
Various methods have been established to determine controller parameters. This
introduction describes the Chien, Hrones and Reswik configuration guidelines.
You can find further configuration guidelines and methods in related specialist lit-
erature.
Topics
4.7.14.2.1 Configuration guidelines for control paths with equalisation:
Determine the following control path characteristic values from the control path
step response:
124
Delphin Technology AG
Dezember 2015
Profi Message Manual