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NI (National Instruments) · PXI

PXIe-2575

The NI PXIe-2575 is a 196-channel, 1-wire PXI multiplexer switch module with PXI Express connectivity and electromechanical relays. It supports 1-wire and 2-wire operation and a scan rate of 140 cycles/s.

ManufacturerNI (National Instruments)

ModelPXIe-2575

Part Number780587-75

Product Type196‐Channel, 1-Wire PXI Multiplexer Switch Module

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Scan Rate140 cycles/s

Mode (n-wire)1-wire, 2-wire

Bus ConnectorPXI Express

Maximum Switching Current DC1 A

Maximum Switching Voltage DC100 V

Relay TypeElectromechanical

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Overview

Product overview

Key product information and technical features.

The PXIe-2575 is a high-density multiplexer switch module in the NI PXI platform, using a PXI Express bus connection. The cataloged NI part number is 780587-75.

Electromechanical relays provide signal routing in 1-wire or 2-wire configurations. The 196-channel designation refers to its 1-wire configuration; the supplied specifications also list 95- and 98-channel configurations. Consult the NI user manual for topology and wiring details.

196-channel, 1-wire multiplexer with support for 2-wire operation.
PXI Express bus connectivity within the PXI platform.
Electromechanical relay switching with a 140 cycles/s scan rate.
Maximum DC switching ratings of 100 V and 1 A; operating limits must be checked together in the specifications.
20 MHz switch bandwidth.
Single-bank arrangement with 196 crosspoints.

Verified specifications

Technical data

Verified product specifications.

Scan Rate	140 cycles/s
Mode (n-wire)	1-wire, 2-wire
Bus Connector	PXI Express
Maximum Switching Current DC	1 A
Maximum Switching Voltage DC	100 V
Relay Type	Electromechanical
Switch Bandwidth	20 MHz
Number of Channels	95, 98, 196
Number of Banks	1
Supported Hardware Platform	PXI
Bus Connection	PXI Express
Crosspoints	196
Maximum Carry Current AC	1 A
Maximum Switching Voltage AC	100 V
Number of Columns	1
Number of Rows	196
Row Access	Yes
Termination	Yes
NI part numbers	780587-75

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NI

Manufacturer

PXI

Supported Hardware Platform

PXIe-2575

This product

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Letter Of Volatility (NI)Letter Of Volatility · ni.com

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Getting Started (NI)Getting Started · ni.com

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Specifications (NI)Specifications · ni.com

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User Manual (NI)User Manual · 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.

What type of module is the PXIe-2575?

It is an NI multiplexer switch module with a 196-channel, 1-wire designation and PXI Express connectivity.

Does the PXIe-2575 support 2-wire operation?

Yes. The supplied verified specifications list both 1-wire and 2-wire modes, with channel counts of 95, 98, and 196. Consult the user manual for the exact topology and wiring associated with each configuration.

What are the maximum DC switching ratings?

The maximum DC switching voltage is 100 V and the maximum DC switching current is 1 A. These are individual limits, not a statement that both maxima can be used simultaneously; consult the NI specifications for operating restrictions.

What relay technology and scan rate does it provide?

The module uses electromechanical relays and has a specified scan rate of 140 cycles/s.

Which NI part number is associated with this catalog record?

The supplied structured identity lists NI part number 780587-75 for the PXIe-2575.