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ErrorLib — Industrial Fault Code Library

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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.

Browse all codes in this manual (96)
Verified technical data. Last updated: April 2026

Related Faults

04A10000Non-volatile Memory Hardware Error04A10000 hexNon-volatile Memory Hardware Error04AC0000 hexOvercurrent
Source: Omron NJ/NX-series Machine Automation Controller
Open Manual (Page 299)Search more codes in this manual