IEC 63131-2 ED1

Application function blocks and logic diagrams in oil & gas, process and power industries - System Control Diagram - Part 2: Diagram symbols and drawing principles

General information

Current stage: 20.99 WD approved for registration as CD Mar 6, 2026

Next stage: CD Next stage date : Aug 15, 2026

Originator: IEC

Type: International Standard

ICS: 25.040.40 Industrial process measurement and control | 01.080.40 Graphical symbols for use on electrical and electronics engineering drawings, diagrams, charts and in relevant technical product documentation

Life cycle

NOW

IN_DEVELOPMENT
IEC 63131-2 ED1
20.99 WD approved for registration as CD
Mar 6, 2026