Centralized UMC - Manual - SIMATIC AX - SIMATIC AX Catalog documentation - Catalog, SIMATIC AX, Packages, Compatibility

SIMATIC AX Catalog

Portfolio
SIMATIC AX
Product
SIMATIC AX
Software version
2504.2.0
Edition
09/2025
Language
English (original)
Package Name
@ax/simatic-ax

Centralized UMC is a new feature of the firmware version 4.0. The PLC can be configured to root incoming UMAC requests (User Management Access Control) to a centralized UMC server.

  • In general, no centralized UMC support is available within the 2411 Catalog release.
  • It is planned to support centralized UMC with one of the following updates.

This has the following effects on the AX Workflows: