Description: Difference between the command variable and the feedback variable; Name: control difference
Description: difference between the reference variable and the feedback variable; Name: control difference variable
Description: PN (nominal pressure) is an alphanumeric variable for reference purposes, relating to a combination of mechanical and measurement properties of a pipe component. It comprises the letters PN followed by a dimensionless number (according to EN 1333/96.08); Name: Nominal pressure of the muffs, A2