Certificate handling - 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

Note

For simplicity, the examples in this document only use a single file for the --input parameter. If your hardware configuration consists of multiple files or folders, you should specify all files. For details, see Using Multiple Hardware Declaration Files

Digital certificates play an important role in the secure data transfer between two devices.

SIMATIC controllers support TLS communication using certificates from PLC firmware V2.9. More information about TLS protocol can be found here.