324 Rockwell Automation Publication 1756-RM006K-EN-P - November 2018
Structured Text
DERV_01.In := Speed_Reference;
DERV_01.Gain := Feedforward_Gain;
DERV(DERV_01);
PI_01.In := Speed_Reference - Speed_feedback;
PI_01.Kp := Proportional_Gain;
PI_01.Wld := Integral_Gain;
PI(PI_01);
regulator_out := DERV_01.Out + PI_01.Out;
See also
Function Block Attributes on page 491
Common Attributes on page 537
Structured Text Syntax on page 508
This information applies to the CompactLogix 5370, ControlLogix 5570,
Compact GuardLogix 5370, GuardLogix 5570, Compact GuardLogix 5380,
CompactLogix 5380, CompactLogix 5480, ControlLogix 5580, and GuardLogix
5580 controllers.
The HPF instruction provides a filter to attenuate input frequencies that are
below the cutoff frequency.
Available Languages
Ladder Diagram
This instruction is not available in ladder diagram logic.
Function Block
Structured Text
HPF(HPF_tag);
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