invalid Gateway PDO-Config

Invalid Gateway PDO-Config

Kuka · KR C4 DeviceNet

What does invalid Gateway PDO-Config mean?

No valid process data object (PDO) configuration is available for the gateway module. This prevents proper data exchange over DeviceNet and results in a DeviceNet master configuration error (Message 4429).

Common Causes

  • Invalid configuration detected for the Gateway's PDO (Process Data Object) settings.
  • PDO mapping or size is incorrect for the connected devices.
  • Communication error related to PDO transmission.
  • Incorrect parameter settings for PDO synchronization (P1-250, P1-251).

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the bus configuration for the gateway module and correct it if necessary.

  2. 2

    Reconfigure the bus after verifying the configuration.

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Verified technical data. Last updated: March 2026

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