-2

Device Address Not Found

Kuka · KR C4 PROFIBUS

What does -2 mean?

The specified device address could not be located on the PROFIBUS. This can be due to an incorrect address parameter in the `ioCtl` call or the device not being present.

Repair Steps

  1. 1

    Verify the `[device address]` parameter in the `ioCtl` command matches the Device ID configured in WorkVisual's Profibus settings (Page 18).

  2. 2

    Confirm the physical presence and correct wiring of the device on the PROFIBUS.

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Verified technical data. Last updated: March 2026