PXI-2575

The NI PXI-2575 is a high-density multiplexer switch module for routing signals to measurement instruments or from source units. It supports 196 one-wire or 98 two-wire channels for high-channel-count automated test systems.

ManufacturerNational Instruments

ModelPXI-2575

Part Number778572-75

Product TypePXI Multiplexer Switch Module

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Technical Supportmodel & compatibility help

Channel capacity196 one-wire or 98 two-wire channels

Maximum scan rate140 cycles/s

Signal connectionLFH 200-pin

Relay monitoringOnboard relay counting

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Overview

Product overview

Key product information and technical features.

The PXI-2575 provides a switching front end for automated test systems that need to connect many signals to measurement or source equipment. Its one-wire and two-wire configurations accommodate different signal-routing requirements.

Electromechanical relays perform signal switching. Hardware triggers support deterministic operation, while onboard relay counting provides relay-use monitoring.

High-density one-wire and two-wire multiplexing.
Electromechanical relay switching.
Onboard relay counting for relay monitoring.
Hardware-triggered deterministic operation.

Verified specifications

Technical data

Verified product specifications.

Supported topologies	1-wire 196 × 1; 2-wire 95 × 1; 2-wire 98 × 1 multiplexer
Maximum switching voltage	100 DC or AC peak; channel-to-channel and channel-to-ground V
Maximum total current, switching or carry	1 A
Maximum switching power per channel	60 W; 62.5 VA, DC to 60 Hz
Maximum scan rate	140 cycles/s
Relay type	Electromechanical, latching
Bandwidth, -3 dB with 50 Ω termination	>20 MHz one-wire; >8 MHz two-wire
Form factor	3U, one-slot PXI/cPCI module