IS 1885 : Part 49 : 1978 : Electrotechnical Vocabulary - Part 49 : Industrial Process Measurement and Control

1. Scope

1.1 This standard (PMt XLIX) covers definitions of terms employed in automatic industrial process measurement and control.

1.1.1 For the purposeg of this standard, the terms are broadly classified under the following heads:

Section I General terms

Section II Variables and signals

Section III Block diagram nomenclature

Section IV Performance characteristics

Section V Functioning

Section VI System elements

Section VII Final controlling elements