D component
Reset time Tn
Step response of the PID controller
Fig. 8.4: Step response and rise response of the PID controller
Realised PID controller
D component with delay:
In the Top Control 8630, the D component is realised with a delay T.
dY
Function:
T
+ Y = Kd
dt
Superposition of P, I and DT components
Fig. 8.5: Superposition of P, I and DT components
Top Control Continuous
I Component
P Component
dXd
dt
I component
D component
P component
Derivative action time
Tv
Rise response of the PID controller
157