—————— Instruction manual ——————
293
6.16.3.6 Proportional - Derivative control block
PID error
PD P gain 1 PID
PD P gain 2 PID
PD P gain 3 PID
Enable
PD PID
PDDgain 1 PID
PDDgain 2 PID
PDDgain 3 PID
PDDfilter PID
PD output PID
Real FF PID
I/O Parameter
Parameter
Internal variable
LEGEND:
Figure 6.16.3.4: PD block description
ThePDblockreceivesthevaluesPID error atitsinput,whichrepresentstheerrorthatmustbecorrectedby
theregulator.ThePDblockcarriesoutproportional-derivativeregulationanditsoutputPD output PID will
beaddedtoReal FF PID.
ThePDblockisenabledbysettingEnable PD PID =Enable.IfEnable PD PID hasbeenprogrammedona
digitalinput,thismustbesettoahighlogicallevel.
PID
[770] EnablePDPID
Parameter description No.
Value
Standard
Conguration
min max
Factory
American
Factory
Standard
Menu
Enable PD PID
Enabled(1)/Disabled(0)
770 0 1 Disable Disable
*
* Thisfunctioncanbesetonadigitalprogrammableinput.
Enable PD PID Enabled Enablingoftheblockproportional-derivative
Disabled Disablingoftheblockproportional-derivatve