Skip to main content
Speclore

Isa intrumentation codes

Reference data und engineering information about isa intrumentation codes für process control applications.

isaintrumentationcodes

Overview

Engineering reference data for Isa Intrumentation Codes in process control.

Key Formulas

PID Controller

u(t)=Kpe(t)+Kie(t)dt+Kddedtu(t) = K_p e(t) + K_i \int e(t)dt + K_d \frac{de}{dt}

Proportional-Integral-Derivative control.

Transfer Function

G(s)=Kτs+1G(s) = \frac{K}{\tau s + 1}

First-order system.

Variables

SymbolDescriptionUnit
KpK_pProportional gain
KiK_iIntegral gain1/s
KdK_dDerivative gains
τ\tauTime constants

References