247D0000

Number of Sensors Over at Distributed Sensor Unit

Omron · NJ/NX-series Machine Automation Controller

What does 247D0000 mean?

The number of sensors connected to a specific Distributed Sensor Unit exceeds its maximum capacity. This overload can lead to communication failures or incorrect sensor readings for that unit.

Common Causes

  • Exceeded maximum sensor capacity for a specific Distributed Sensor Unit

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the specific Distributed Sensor Unit generating the 'Number of Sensors Over' error within the Omron NJ/NX controller's diagnostics or I/O status.

  2. 2

    Inspect the physical wiring and connections of all sensors connected to the identified Distributed Sensor Unit for proper installation and integrity.

  3. 3

    Count the total number of sensors currently physically connected and active on the identified Distributed Sensor Unit.

  4. 4

    Verify the specified maximum sensor capacity for the identified Distributed Sensor Unit model by consulting its technical documentation or datasheet.

  5. 5

    Check the Omron NJ/NX controller's I/O configuration for the identified Distributed Sensor Unit to ensure the configured number of inputs or sensors aligns with the unit's actual capacity and physical connections.

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Verified technical data. Last updated: March 2026

Related Faults

Source: Omron NJ/NX-series Machine Automation Controller