Signal Conditioning

Question 1

What is a signal conditioner?

Answer 1

A device that converts one type of electronic signal into another electronic signal. It incorporates signal conversion, filtering and isolation.

Question 2

What is galvanic isolation?

Answer 2

Signal conditioners provide galvanic isolation between control and and field circuits to prevent noise in the measurement

Question 3

List the possible settings for the dip switches on a converter module, and their corresponding signals

Answer 3

OFF/OFF: 4-20 mA = 3-15 PSI

ON/OFF: 4-12 mA = 3-15 PSI or 4-20 mA = 6-30/2-33 PSI

ON/ON: 12-20 mA = 3-15 PSI