Current stage: 20.99 WD approved for registration as CD Feb 13, 2026
Next stage: CD Next stage date : Sep 30, 2026
Originator: IEC
Owner: TC 65/SC 65C
Type: International Standard
ICS: 25.040.40 Industrial process measurement and control | 35.100.70 Application layer | 35.110 Networking
IN_DEVELOPMENT IEC 61158-6-29 ED1 20.99 WD approved for registration as CD Feb 13, 2026