Proportional Integral Derivative Function Block (Pid Process Controller) - Samson FOUNDATION 3730-5 Mounting And Operating Instructions

13.5.7 Proportional Integral Derivative Function Block (PID process con-
troller)
A PID Function Block contains the input channel processing, the proportional-integral-deriva-
tive (PID) control loop and the analog output channel processing.
The configuration of the PID Block (PID controller) depends on the automation task.
Simple control loops, control loops with manipulate variable feedforwarding, cascade con-
trols and cascade controls with limitation in combination with another controller function
block can implemented.
The following options are available for processing the measured variable within the PID
Function Block (PID controller): Signal scaling and limiting, mode control, feedforward con-
trol, limit control, alarm limit detection and signal status propagation.
The PID Block (PID controller) can be used for various automation strategies. The block has a
flexible control algorithm that can be configured to match the application.
Set point
limitation
Fig. 19 · PID Function Block
Set point
PV scaling
ramps
Scaling
Filter
Feedforward
PID
algo-
rithm
Scaling
Gain
Scaling
Scaling
Tracking
Parameter description
Output
limitation
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EB 8384-5 EN