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NI (National Instruments) · PXI

PXIe-2738

The NI PXIe-2738 is a 2-wire matrix switch module with a PXI Express interface. It provides 256 crosspoints in an 8-row by 32-column arrangement using electromechanical relays.

ManufacturerNI (National Instruments)

ModelPXIe-2738

Part Number782835-38

Product Type256-Crosspoint, 2-Wire PXI Matrix Switch Module

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Number of Columns32

Crosspoints256

Scan Rate1000 cycles/s

Bus ConnectorPXI Express

Maximum Switching Current DC2 A

Maximum Switching Voltage DC100 V

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Overview

Product overview

Key product information and technical features.

The PXIe-2738 provides a single-bank, 8 × 32 matrix for signal routing in automated test systems. Its 256 crosspoints use electromechanical relays in a 2-wire configuration.

The module connects through PXI Express within the PXI platform. Published specifications include a 10 MHz switch bandwidth, a scan rate of 1000 cycles/s, row access and termination.

256 crosspoints arranged as an 8-row by 32-column matrix.
2-wire switching configuration in a single bank.
Electromechanical relays with a specified switch bandwidth of 10 MHz.
Maximum DC switching voltage of 100 V and maximum DC switching current of 2 A.
Scan rate of 1000 cycles/s.
Row access and termination supported.

Verified specifications

Technical data

Verified product specifications.

Number of Columns	32
Crosspoints	256
Scan Rate	1000 cycles/s
Bus Connector	PXI Express
Maximum Switching Current DC	2 A
Maximum Switching Voltage DC	100 V
Number of Rows	8
Relay Type	Electromechanical
Switch Bandwidth	10 MHz
Mode (n-wire)	2-wire
Number of Banks	1
Supported Hardware Platform	PXI
Bus Connection	PXI Express
Maximum Carry Current AC	2 A
Maximum Switching Voltage AC	100 V
Number of Channels	256
Number of Relays	256
Row Access	Yes
Termination	Yes
NI part numbers	782835-38

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NI

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PXI

Supported Hardware Platform

PXIe-2738

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Getting Started (NI)Getting Started · ni.com

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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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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 matrix configuration does the PXIe-2738 provide?

It provides a single-bank, 2-wire matrix with 8 rows, 32 columns and 256 crosspoints.

Does the PXIe-2738 use PXI Express?

Yes. Its bus interface is PXI Express, within the PXI hardware platform.

What relay technology does the PXIe-2738 use?

It uses electromechanical relays and has a specified switch bandwidth of 10 MHz.

What are the listed voltage and current limits?

The retained specifications list maximum switching voltages of 100 V DC and 100 V AC, maximum DC switching current of 2 A, and maximum AC carry current of 2 A. Carry current is distinct from switching current. Consult the NI specifications for operating conditions and combined limits.

Which NI part number is associated with this model?

The catalog's verified identity data lists NI part number 782835-38 for the PXIe-2738.