WEG CFW-11 User Manual page 12

General Instructions
PLC: Programmable Logic Controller.
°C: Celsius degree.
°F: Fahrenheit degree.
AC: Alternated Current.
Amp, A: Ampères.
CFM: Cubic Feet per Minute; unit of flow.
cm: Centimeter. 2
DC: Direct Current.
ft: Foot.
hp: Horse Power = 746 Watts; unit of power, used to indicate the mechanical power of electrical motors.
Hz: Hertz.
in: Inch.
kg: Kilogram = 1000 grams.
kHz: Kilohertz = 1000 Hertz.
l/s: Liters per second.
lb: Pound.
m: Meter.
mA: Miliampère = 0.001 Ampère.
min: Minute.
mm: Millimeter.
ms: Millisecond = 0.001 seconds.
Nm: Newton meter; unit of torque.
rms: "Root mean square"; effective value.
rpm: Revolutions per minute; unit of speed.
s: Second.
V: Volts.
Ω: Ohms.
2-3