xxxx 0111

Invalid Data

Beckhoff · TwinSAFE Logic FB

What does xxxx 0111 mean?

The FSoE telegram contained data that was syntactically or semantically invalid according to the FSoE protocol specification. This indicates corrupted data or a protocol deviation, compromising the integrity of safety information. If left unresolved, this can lead to unreliable safety performance or system shutdown.

Common Causes

  • Received invalid data in a communication message.
  • Data packet contains incorrect values or format.
  • Data out of expected range.
  • Corrupted data payload.
  • Inconsistent data type received.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the communication line for noise or interference that could corrupt data packets.

  2. 2

    Verify the firmware versions of FSoE devices are compatible and up-to-date.

  3. 3

    Review the FSoE master application logic to ensure it is sending valid data structures and values.

  4. 4

    Perform diagnostics on the sending and receiving FSoE devices to check for internal hardware or software errors.

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Verified technical data. Last updated: March 2026

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Source: Beckhoff TwinSAFE Logic FB