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NI (National Instruments) · PXI

PXIe-2725

The NI PXIe-2725 is an 8-bit, 18-channel PXI Express programmable resistor module. It provides a maximum resistance of 255 ohms with 1-ohm resolution.

ManufacturerNI (National Instruments)

ModelPXIe-2725

Part Number781986-25

Product Type8-Bit, 18-Channel PXI Programmable Resistor Module

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Number of Resistor Channels18

Bus ConnectionPXI Express

Maximum Resistance255 Ohm

Resistance Resolution1 Ohm

Supported Hardware PlatformPXI

Maximum Carry Current AC0.3 A

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Overview

Product overview

Key product information and technical features.

The PXIe-2725 replicates resistance-based inputs and outputs such as potentiometers, resistance temperature detectors, voltage dividers and bridge elements. It fits into the NI PXI platform through a PXI Express bus connection.

The module programmatically controls relays to vary resistance across each channel of its I/O connector. Its software interface accepts temperature or resistance inputs and configures channel resistance for tasks such as simulating environmental conditions during hardware-in-the-loop validation.

18 resistor channels with 8-bit control.
Maximum resistance of 255 ohms with 1-ohm resolution.
PXI Express bus interface for the PXI platform.
Reed relays with row access.
Maximum switching voltage of 30 V AC or 60 V DC.

Verified specifications

Technical data

Verified product specifications.

Number of Resistor Channels	18
Bus Connection	PXI Express
Maximum Resistance	255 Ohm
Resistance Resolution	1 Ohm
Supported Hardware Platform	PXI
Maximum Carry Current AC	0.3 A
Maximum Switching Current DC	0.3 A
Maximum Switching Voltage AC	30 V
Maximum Switching Voltage DC	60 V
Number of Channels	18
Relay Type	Reed
Row Access	Yes
NI part numbers	781986-25

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NI

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PXI

Supported Hardware Platform

PXIe-2725

This product

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Manuals & software

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Getting Started (NI)Getting Started · ni.com

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Specifications (NI)Specifications · ni.com

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Dimensional Drawings (NI)Dimensional Drawings · ni.com

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Product Page (NI)Product Page · ni.com

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FAQ

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Product-specific answers based on available technical information.

How many resistor channels does the PXIe-2725 provide?

The PXIe-2725 provides 18 resistor channels with 8-bit control.

What are its maximum resistance and resolution?

The maximum resistance is 255 ohms, and the resistance resolution is 1 ohm.

Does the PXIe-2725 use PXI Express?

Yes. Its bus connection is PXI Express, and NI lists PXI as its supported hardware platform. Confirm the specific chassis and slot requirements before integration.

What relay type and switching limits are specified?

The module uses reed relays and provides row access. Listed limits include 0.3 A DC maximum switching current, 0.3 A AC maximum carry current, and maximum switching voltages of 30 V AC and 60 V DC. Consult the NI specifications for operating conditions and restrictions.