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ErrorLib — Industrial Fault Code Library

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24790000

Number of Sensors Over Limit

Omron · NJ/NX-series Machine Automation Controller

What does 24790000 mean?

The total number of sensors connected to the system exceeds the maximum allowable limit. This overload can cause system instability or prevent proper initialization.

Common Causes

  • Exceeded the maximum permitted number of connected sensors

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the total count of physically connected sensors against the maximum input capacity specified in the Omron NJ/NX-series hardware manuals for the controller and its I/O expansion units.

  2. 2

    Inspect the I/O map and configuration within the Omron Sysmac Studio project for the NJ/NX controller to ensure it accurately reflects the physical sensor count and does not exceed configured limits.

  3. 3

    Check all sensor wiring for correct termination, absence of shorts between sensor signals, and any parallel connections that could cause multiple inputs to register from a single source or erroneous counting.

  4. 4

    Review the specific I/O module datasheets to confirm the maximum number of inputs supported per module and ensure the current sensor load does not exceed these individual module specifications.

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
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