National Instruments FP-RTD-124 RTD and resistance input module
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National Instruments · FieldPoint

FP-RTD-124

The NI FP-RTD-124 provides eight FieldPoint inputs for four-wire PT100 RTDs and resistance measurements.

ManufacturerNational Instruments
ModelFP-RTD-124
Part Number777518-124
Product TypeRTD and resistance input module
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30-Day Warrantystandard coverage
30-Day Returnspolicy applies
Technical Supportmodel & compatibility help
Channels8
Resolution16-bit
Resistance range0–400 Ω
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Overview

Product overview

Key product information and technical features.

The module mounts on an FP-TB-x terminal base, which supplies operating power.

  • Built-in linearization for six RTD TCR values.
  • 50/60 Hz noise filtering.
  • Independent channel configuration.
Verified specifications

Technical data

Verified product specifications.

Input channels8
ADC16-bit delta-sigma
Resistance range0–400 Ω
Temperature range−200 to 850 °C
Channel update interval1 s
Excitation2 mA, 135 ms pulses every second
Operating temperature−40 to 70 °C
Channel-to-channel isolationNone
Condition & included items

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Condition

Confirmed per unit.

Included

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Revision

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Compatibility

Complete the measurement chain

Review system components and compatibility requirements.

National Instruments

Manufacturer

FieldPoint

Distributed I/O platform

FP-RTD-124

RTD input

Compatibility

Mounts on FieldPoint FP-TB-x terminal bases.

FP and cFP versions use different mounting hardware; verify the system before selection.
Manuals & software

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Shipping
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Warranty
30-Day Warranty. Standard coverage applies.
Returns
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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Can it measure three-wire RTDs?

Yes, with the documented jumpers, but NI recommends FP-RTD-122 for three-wire lead-resistance compensation.

Does it automatically identify RTD types?

No. Configure each channel for its connected RTD.

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