Function Of A Real Pid Controller - Burkert 8630 Operating Instructions Manual

G R (A
ENERAL ULES

Function of a real PID controller

D component with delay
In the process controller of the positioner, the D component is realized with a delay T.
dY
Function T + Y = Kd
dt
Superimposing the P, I and DT components
X
Xd
Y
Xd
T
T
Function of the real PID controller
dY
T + Y = Kp (Xd +
dt
Step response of the real PID controller
X
Xd
Y
Kp Tv
T
Kp Xd
Tn
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dXd
dt
t
t
1
∫ ∫ ∫ ∫ ∫ Xd dt + Tv dXd
Tn
dt
t
t
)