Samson 3430 Operating Instructions Manual page 15

R Feedback
R1/R2 Feedback bellows

Z = Supply air 1.4 bar
Y Output pressure
A
S Switching pressure
Fig. 7 · Type 3433 Controller Modules
0.2
Kp
20
0.2
Kp
20
0.2
Kp
20
Turnboards
A Operating action
B Air supply
Type 3433-2 PI Controller Module
The following versions of the controller mod-
ules are similar in most aspects to the
Type 3433-2 PI Controller Module, how-
ever, they are fitted with, for example, an
operating point adjuster, derivative element,
or a selector switch, depending on the
application.
Type 3433-1 P Controller Module
corresponds to Type 3433-2.
An operating point adjuster is used in place
of the integral element.
Type 3433-3 PID Controller Module
corresponds to Type 3433-2.
Additionally, it contains a derivative element
which produces the rate action with approx-
imately ten times the gain in the input
branch of the controlled variable x. The rate
time can be adjusted at the T
Principle of operation
restriction.
V
15
EB 7030 EN