Calculators›Instrumentation and control›4–20 mA and 0–10 V signals

Instrumentation and control

4–20 mA and 0–10 V signals

Conversion between standard analog signals and process values.

Instrumentation and control

4–20 mA current from percent

I = 4 + 16p/100→Instrumentation and control

Percent from 4–20 mA

p = (I − 4)/16 × 100%→Instrumentation and control

Process value from 4–20 mA

PV = LRV + (I−4)(URV−LRV)/16→Instrumentation and control

4–20 mA from process value

I = 4 + 16(PV−LRV)/(URV−LRV)→Instrumentation and control

0–10 V voltage from percent

U = 10p/100→Instrumentation and control

Process value from 0–10 V

PV = LRV + U(URV−LRV)/10→Instrumentation and control

Universal scale-to-signal conversion

S = Smin + (X−Xmin)/(Xmax−Xmin)(Smax−Smin)→