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BSI
BS 1646-2:1983

BS 1646-2:1983

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Current

The latest, up-to-date edition.

Symbolic representation for process measurement control functions and instrumentation Specification for additional basic requirements

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-11-1983

Publisher

British Standards Institution

Foreword
Committees responsible
Specification
0 Introduction
1 Scope and field of application
2 References
3 Definitions
4 Letter code
5 Instrument signal lines
6 Primary elements, correcting elements, and actuating
    elements
7 Local control panels
8 Signal modifiers, analogue
9 Binary logic
10 Action of binary signals on analogue signals
Table
    Letter code for identification of instrument
    functions

Extends the range of symbols contained in Part 1 and specifies symbolic representation intended for use by instrument specialists and other engineers involved with vessels, piping, layout design and operation. The symbols are used on piping and instrumentation diagrams and engineering line diagrams.

This Part of BS 1646 is an extension of Part 1, which is limited to identification of instrument functions.

It includes additional symbols and is intended for the communication of measurement and control functions among instrument specialists and other engineers involved with vessels, piping, layout design and operation.

The symbols are used on piping and instrumentation diagrams and engineering line diagrams.

Committee
TPR/1
DevelopmentNote
Supersedes 78/31228 DC. (06/2005) Reviewed and confirmed by BSI, December 2011. (11/2011)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 1646-4:1984 Symbolic representation for process measurement control functions and instrumentation Specification for basic symbols for process computer, interface and shared display/control functions
BS 1646-3:1984 Symbolic representation for process measurement control functions and instrumentation Specification for detailed symbols for instrument interconnection diagrams
BS EN 61082-2:1994 Preparation of documents used in electrotechnology Function-oriented diagrams

BS 1646-3:1984 Symbolic representation for process measurement control functions and instrumentation Specification for detailed symbols for instrument interconnection diagrams
BS 3939-21(1966) : LATEST
BS 1646-1:1979 Symbolic representation for process measurement control functions and instrumentation Basic requirements

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Hardcopy - English
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