Burkert 8624-2 Standard Instructions De Service page 34

From K and T
crit
following table.
Parameter setting according to Ziegler and Nichols:
Controller type
P
PI
The adjustment rules of Ziegler and Nichols have been determined for P members
with first order time increase and dead time. However, they apply only for
controllers with disturbance behaviour and not for those with command behaviour.
32 - 8624-2 Standard
, the controller parameters can then be calculated using the
crit
Parameter setting
K = 0,5 K
p crit
K = 0,45 K
p crit
-
T = 0,85 T
N crit