8
EB 7500 EN
Operation
1. Unscrew the fastening screw (6) at the
controller module and pull the module off
its self-seal push-on fittings.
2. Unscrew screws (3.3) and pull off the
connecting plate (3.2) together with
square nuts and bolts from the controller
module.
3. Unscrew the hexagonal socket head
screws (3.4) at the side and lift the com-
parator (3.1) off the controller module.
4. Unscrew the screw in turnboard
B
and lift
it off together with the turnboard. If nec-
essary, lever the board at the side. Do
not lose the rubber seal.
5. Turn the board so that the arrow is
aligned with
yA
or
R
on the controller
module. Insert board and tighten the
screw.
6. Remount the controller module and fas-
ten it in the controller station.
3.1.3 Proportional-action co-
efficient Kp
The setting of the Kp (adjuster 9) determines
the controller gain and depends on the con-
trolled system that is to be tuned (see sec-
tion 4.1).
3.1.4 Reset time Tn
Controller versions with integral-action com-
ponent require the reset time to be set at the
adjuster (10). The setting depends on the
controlled system that is to be tuned (see sec-
tion 4.1).
3.1.5 Derivative-action time Tv
Controller versions with derivative-action
component require the derivative-action time
Tv to be set at the adjuster (11). The setting
depends on the controlled system that is to
be tuned (see section 4.1).
3.1.6 Operating point
Controller modules without integral-action
component (e.g. P or PD, controllers) have
an operating point.
This can be adjusted at the operating point
adjuster (12) between 0 and 100 %, which
corresponds to 0.2 to 1 bar.
The setting depends on the output pressure y
that is to be tuned (see section 4.1).
The Type 3423-9 Controller Module does not
have an operating point adjuster. The oper-
ating point is dependent on the set point.
