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Appendix E
RaPID Control Feature
The RaPID (Response - assisted PID) feature offers dramatic improvements in control
quality compared with conventional PID techniques. It responds much more effectively
than PID techniques to load conditions. With this feature, the instrument's response at
start-up, during setpoint changes and during disturbances shows considerably reduced
overshoot and much more shorter settling times (see below).
START-UP
PID
RaPID
PID
RaPID
DISTURBANCE
SETPOINT CHANGES
PID
RaPID
Setpoint
C