90.93 Standard confirmed Jul 20, 2026
CENELEC
CLC/TC 65X Industrial-process measurement, control and automation
European Norm
25.040.40 Industrial process measurement and control | 35.100.05 Multilayer applications
IEC 61784-3:2021 explains some common principles that can be used in the transmission of safety-relevant messages among participants within a distributed network which use fieldbus technology in accordance with the requirements of IEC 61508 (all parts) for functional safety. These principles are based on the black channel approach. They can be used in various industrial applications such as process control, manufacturing automation and machinery.
PUBLISHED
EN IEC 61784-3:2021
90.93
Standard confirmed
Jul 20, 2026
PUBLISHED
EN IEC 61784-3:2021/A1:2024