Parameter is access-protected

What does 001B mean?

This PROFIBUS-DP additional code (Error Class 8, 'Other Error') indicates a parameter setting was attempted for a parameter that is currently protected from modification. This protection mechanism prevents unauthorized or accidental changes to critical operational parameters.

• The parameter is protected by a password or access code.
• User privilege level is insufficient to modify this parameter.
• Access to this parameter requires a specific authorization key or setting.

Click steps to track your progress.

1. 1

   Check bits 0 and 1 in the PROFIBUS-DP parameter channel to ensure correct service code and length specification in the telegram.