4504

Following error monitoring (position) not allowed

Beckhoff · TwinCAT 2 NC

What does 4504 mean?

The value for the activation of the following error monitoring (position) is not allowed, as the value range is limited to [0, 1]. This parameter enables or disables the system's ability to detect deviations between commanded and actual position. An invalid setting means critical safety monitoring might be disabled or misconfigured.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Correct any invalid entries to ensure proper safety monitoring.

  2. 4

    Save configuration changes and restart the NC system.

Source: Beckhoff TwinCAT 2 NC
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