4-20 mA is used to discriminate between process 0 and instrument 0.

Describe all types and levels (4-20mA, 0-10V, mV, pulse,
etc.)of analog and digital I/O used in process control
application.

Question Posted / satyajit

Answer Posted / satyajit

4-20 mA is used to discriminate between process 0 and
instrument 0.

Is This Answer Correct ?

8 Yes

2 No

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