Setting parameters at runtime - References - SIMATIC AX - AX Hardware Engineering documentation - Hardware Engineering,

Hardware Engineering reference
Portfolio
SIMATIC AX
Product
SIMATIC AX
Software version
2.0.0-alpha1.56
Edition
08/2025
Language
English (original)
Package Name
@ax/hw-docs

From the PLC program you can write this data via the Siemens.Simatic.S71500.DistributedIO.WriteRecord (WRREC) function. You can find help for this on the Industry Online Support site.