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NI (National Instruments) · PXI

PXIe-2526

The NI PXIe-2526, part number 780587-26, is a 158-channel, 2 A multiplexer switch module with electromechanical relays and a PXI Express interface. It supports 158x1 1-wire and 79x1 2-wire multiplexer topologies.

ManufacturerNI (National Instruments)

ModelPXIe-2526

Part Number780587-26

Product Type158‐Channel, 2 A PXI Multiplexer Switch Module

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Scan Rate1000 cycles/s

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

Bus ConnectorPXI Express

Maximum Switching Current DC2 A

Maximum Switching Voltage DC150 V

Relay TypeElectromechanical

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Overview

Product overview

Key product information and technical features.

The PXIe-2526 is a high-density multiplexer switch module for routing signals within automated test systems. It provides 158 crosspoints in a single bank and uses a PXI Express bus connection.

The module supports 158x1 1-wire or 79x1 2-wire operation using electromechanical relays. Onboard relay counting supports relay monitoring.

Supports 158x1 1-wire and 79x1 2-wire multiplexer topologies.
Provides 158 crosspoints in one bank.
Uses electromechanical relays with onboard relay counting.
Rated for maximum switching voltages of 150 V DC and 150 V AC.
Supports a maximum DC switching current of 2 A and maximum AC carry current of 2 A.
Offers 10 MHz switch bandwidth and a scan rate of 1000 cycles/s.

Verified specifications

Technical data

Verified product specifications.

Scan Rate	1000 cycles/s
Mode (n-wire)	1-wire, 2-wire
Bus Connector	PXI Express
Maximum Switching Current DC	2 A
Maximum Switching Voltage DC	150 V
Relay Type	Electromechanical
Switch Bandwidth	10 MHz
Number of Channels	79, 158
Number of Banks	1
Supported Hardware Platform	PXI
Bus Connection	PXI Express
Crosspoints	158
Maximum Carry Current AC	2 A
Maximum Switching Voltage AC	150 V
Number of Columns	1
Number of Rows	158
Row Access	Yes
Termination	Yes
NI part numbers	780587-26

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NI

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PXI

Supported Hardware Platform

PXIe-2526

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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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Product Page (NI)Product Page · ni.com

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FAQ

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What is the NI PXIe-2526?

It is a 158-channel, 2 A multiplexer switch module with a PXI Express interface. The supplied NI part number is 780587-26.

What multiplexer topologies does the PXIe-2526 support?

It supports a 158x1 1-wire topology and a 79x1 2-wire topology.

What relay technology does the module use?

The PXIe-2526 uses electromechanical relays and includes onboard relay counting for relay monitoring.

What are the maximum voltage and current ratings?

The listed maximum switching voltage is 150 V DC or 150 V AC. Maximum DC switching current is 2 A, and maximum AC carry current is 2 A. These are distinct ratings; consult the NI specifications for applicable operating conditions before selecting a load.