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ISO 3511-3

Process Measurement Control Functions and Instrumentation - Symbolic Representation - Part 3: Detailed Symbols for Instrument Interconnection Diagrams

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Organization: ISO
Publication Date: 1 July 1984
Status: active
Page Count: 21
ICS Code (Graphical symbols for use on mechanical engineering and construction drawings, diagrams, plans, maps and in relevant technical product documentation): 01.080.30
ICS Code (Industrial process measurement and control): 25.040.40
scope:

This part of ISO 3511 specifies instrument symbols for use on interconnection diagrams used for the design, installation, and maintenance of process measurement and control systems.

These detailed symbols are not normally intended for drawings that use the functional symbols given in ISO 3511 /l and IS0 3511/2. However, the symbols specified in this part of ISO 3511 show, by detailing the components, the external connections between units of equipment.

Information on the internal connections in units is not normally included, but references to the appropriate circuit or wiring diagrams may be provided.

When an instrument is composed of more than one functional part, the different symbols may be combined, for example, recorder controller.

The dimensions of the symbols are unspecified, provided the ratio of the side lengths is maintained according to this part of IS0 3511.2

If not otherwise stated, contact symbols should be shown open.

The diagrams may employ single line or multi-line representation and may be combined with, or replaced by tables, providing clarity is maintained.

For further assistance, see IEC Publication 113 Part 5, Preparation of interconnection diagrams and tables.

 

2) This rule has been adopted provisionally until such time as technical committee ISO/TC 10 prepares an International Standard for the representation of graphical symbols used on technical drawings.

 

Document History

ISO 3511-3
July 1, 1984
Process Measurement Control Functions and Instrumentation - Symbolic Representation - Part 3: Detailed Symbols for Instrument Interconnection Diagrams
This part of ISO 3511 specifies instrument symbols for use on interconnection diagrams used for the design, installation, and maintenance of process measurement and control systems. These detailed...

References

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