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National Instruments · PXI

PXI-2584

The NI PXI-2584 is a 12-channel high-voltage PXI multiplexer switch module for fuel-cell and battery-stack applications. It uses reed relays and supports onboard relay counting and hardware-triggered operation.

ManufacturerNational Instruments

ModelPXI-2584

Part Number778572-84

Product TypeHigh-voltage multiplexer switch module

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Switching configuration12-channel 1-wire or 6-channel 2-wire multiplexing

Form factor3U, single-slot PXI/cPCI

Maximum scan rate600 channels/s

Voltage categories300 V CAT II; 600 V CAT I channel-to-ground

Relay technologyReed relays with onboard relay counting

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Overview

Product overview

Key product information and technical features.

The PXI-2584 provides high-voltage signal routing within the PXI platform. NI identifies fuel-cell and battery-stack testing as product-relevant applications, with hardware triggers enabling deterministic switching.

NI-SWITCH supports 1-wire 12×1, dual 1-wire 6×1, 2-wire 6×1 and Independent topologies. User-implemented interleaved switching uses the Independent topology for stacked-signal measurements.

Configurable 1-wire and 2-wire multiplexer topologies.
Onboard relay counting for relay monitoring.
Hardware triggers support deterministic operation.
Independent topology supports user-implemented interleaved measurements.

Verified specifications

Technical data

Verified product specifications.

Maximum channel-to-ground switching voltage	300 V CAT II; 600 V DC or AC peak CAT I V
Maximum channel-to-channel switching voltage	300 V
Maximum switching or carry current	0.5 per channel or common A
Maximum DC switching power	10 per channel W
Maximum scan rate	600 channels/s
Bandwidth	≥900, typical; −3 dB with 50 Ω termination kHz
I/O connector	16-position MINI-COMBICON, 3.81 mm pitch
Form factor	3U, one-slot PXI/cPCI module

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National Instruments

Manufacturer

PXI

Modular instrumentation platform

PXI-2584

High-voltage multiplexer switching

Control documentation

NI-SWITCH documents topology selection and operation.

Observe channel-to-channel, channel-to-ground and switching-power limits separately. Not for CAT III or CAT IV measurements.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI PXI-2584 Product PageProduct Page · ni.com

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PXI-2584 SpecificationsSpecifications PDF · download.ni.com

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NI-SWITCH User Manual: NI PXI-2584User Manual · ni.com

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PXI-2584 Dimensional DrawingsDimensional Drawings And CAD Resources · ni.com

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PXI-2584 Topologies and Operation ModesTechnical resource

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PXI-2584 Dimensional Drawings and CAD ModelsTechnical resource

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Does the PXI-2584 provide 12 two-wire channels?

No. Standard configurations include 12-channel 1-wire and 6-channel 2-wire multiplexing. Interleaved functionality for stacked signals is user-implemented using the Independent topology.

Is the PXI-2584 rated for 600 V CAT II?

No. The specifications state 300 V CAT II and 600 V CAT I channel-to-ground, with a 300 V channel-to-channel limit.

What applications does NI identify for this module?

NI identifies fuel-cell and battery-stack applications for the PXI-2584 high-voltage multiplexer.