IEC 62419:2008

Control technology - Rules for the designation of measuring instruments

IEC 61506:1997

Industrial-process measurement and control - Documentation ofapplication software

IEC 60382:1991

Analogue pneumatic signal for process control systems

IEC TS 61081:1991

Pneumatic instruments driven by associated process gas - Safe installation and operating procedures - Guidelines

IEC 60946:1988

Binary direct voltage signals for process measurement and control systems

IEC 60381-1:1982

Analogue signals for process control systems. Part 1: Direct current signals

IEC 60381-2:1978

Analogue signals for process control systems. Part 2: Direct voltage signals