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NI (National Instruments) · PXI

PXI-2576

The NI PXI-2576, part number 778572-76, is a 64-channel, 2-wire multibank PXI multiplexer switch module. Its 16 banks of 4x1 multiplexers can be combined into a single 64-channel, 2-wire multiplexer.

ManufacturerNI (National Instruments)
ModelPXI-2576
Part Number778572-76
Product Type64‐Channel, 2-Wire, Multibank PXI Multiplexer Switch Module
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Scan Rate130 cycles/s
Mode (n-wire)2-wire
Bus ConnectorPXI Hybrid
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 PXI-2576 provides 16 banks of 4x1 2-wire multiplexers. The banks support parallel measurement operations requiring low channel counts or can be combined into a single multiplexer with 64 2-wire channels.

The module uses electromechanical relays, supports hardware triggers for deterministic operation and includes onboard relay counting for relay monitoring.

  • 64-channel capacity with 2-wire switching.
  • Multibank architecture with 16 banks of 4x1 multiplexers.
  • Electromechanical relays with a listed switch bandwidth of 30 MHz.
  • Maximum DC switching ratings of 100 V and 1 A; consult NI specifications for applicable operating limits.
  • Hardware triggering for deterministic operation.
  • Onboard relay counting for relay monitoring.
Verified specifications

Technical data

Verified product specifications.

Scan Rate130 cycles/s
Mode (n-wire)2-wire
Bus ConnectorPXI Hybrid
Maximum Switching Current DC1 A
Maximum Switching Voltage DC100 V
Relay TypeElectromechanical
Switch Bandwidth30 MHz
Number of Channels4, 8, 16, 32, 64
Number of Banks1, 2, 4, 8, 16
Supported Hardware PlatformPXI
Bus ConnectionPXI Hybrid
Crosspoints64
Maximum Carry Current AC1 A
Maximum Switching Voltage AC100 V
Number of Columns1
Number of Rows128
Row AccessYes
NI part numbers778572-76
Condition & included items

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NI

Manufacturer

PXI

Supported Hardware Platform

PXI-2576

This product

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Letter Of Volatility (NI)Letter Of Volatility · ni.com
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Specifications (NI)Specifications · ni.com
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Getting Started (NI)Getting Started · 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

Product-specific questions

Product-specific answers based on available technical information.

What is the PXI-2576 switching configuration?

It provides 16 banks of 4x1 2-wire multiplexers. These can be used for parallel low-channel-count measurements or combined into a single 64-channel, 2-wire multiplexer.

What are the maximum DC switching ratings?

The previously verified specifications list maximum DC switching voltage of 100 V and maximum DC switching current of 1 A. Consult NI specifications for operating conditions and combined signal limits; the individual maxima should not be treated as a simultaneous operating point.

Does the PXI-2576 support relay monitoring and hardware triggering?

Yes. It includes onboard relay counting for relay monitoring and hardware triggers for deterministic operation.

Which NI part number is associated with this model?

The catalog's verified identity lists part number 778572-76 for the PXI-2576.

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