British Standards Institution

Source:: IEC
Committee:: GEL/65 - Measurement and control
Categories:: Signs, Symbols and product Specifications | Graphical symbols | Graphical symbols for use on mechanical engineering and construction drawings, diagrams, plans, maps and in relevant technical product documentation | Standardization. General rules

Scope

This standard defines a method for making logic diagrams for the control of Upstream Oil and Gas processes, projected on a background which reflects the process piping which brings the logic into context.

Part 3 describes the application function blocks

Part 1, 2 and 3 to be developed concurrently in same workgroup.

Purpose

The work is a development and alignment of the IEC PAS 63131 to the IEC terminology and format. The IEC PAS 63131 was prepared by NO NC with TC 65: Industrial-process measurement, control and automation.

This NP cancels and replaces the pre-standard publication IEC PAS 63131 edition published in 2017. This edition constitutes a technical revision which includes the following significant technical changes with respect to the IEC PAS 63131:

The standard is divided into three main parts:

1) General principles

2) The diagram symbol part

3) The Application blocks definitions

The terms and definitions throughout the document shall be updated to be in accordance with IEC term and definitions in general.

The main drivers for establishing this as a standard are the advantage of efficient plant engineering, implementation, and commissioning, as well as reuse of the control application across different suppliers of control systems. The diagrams give an unambiguous logical representation that is suited for data transfer. The standard also includes a method of documenting sequences (in accordance with IEC 60848) and their interaction with the logic control objects.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal

Proposal start date:

09/02/2022

Proposal end date:

29/03/2022

2. Draft

3. Public Comments

4. Comment Resolution

5. Approval

6. Publication

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Standards Development

PNW 65-921 ED1 - Application function blocks and logic diagrams for Upstream Oil & Gas processes - System Control Diagrams ? Part 3 - Application Function Blocks

Scope

Purpose

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