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NI (National Instruments) · PXI

PXI-2522

The NI PXI-2522 is a 53-channel PXI relay module with SPDT electromechanical relays. It provides maximum switching ratings of 100 V AC/DC and 2 A DC.

ManufacturerNI (National Instruments)

ModelPXI-2522

Part Number778572-22

Product Type53-Channel, 2 A, SPDT PXI Relay Module

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Scan Rate145 cycles/s

Bus ConnectionPXI Hybrid

Maximum Switching Current DC2 A

Maximum Switching Voltage DC100 V

Relay ConfigurationSPDT

Switch Bandwidth51 MHz

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Overview

Product overview

Key product information and technical features.

The PXI-2522 is a PXI switch module built around 53 independent single-pole double-throw (SPDT), Form C armature relays. Its electromechanical relays are nonlatching, with low on-resistance and low thermal offsets.

The module is fully software programmable and supports onboard relay count tracking. Its specified scan rate is 145 cycles/s, with a switch bandwidth of 51 MHz and a PXI Hybrid bus connection.

53 channels and 53 electromechanical relays.
Independent SPDT Form C armature relays with nonlatching operation.
Maximum switching voltage of 100 V AC and 100 V DC.
Maximum DC switching current of 2 A and maximum AC carry current of 2 A.
Software-programmable operation with onboard relay count tracking.
51 MHz switch bandwidth and 145 cycles/s scan rate.

Verified specifications

Technical data

Verified product specifications.

Scan Rate	145 cycles/s
Bus Connection	PXI Hybrid
Maximum Switching Current DC	2 A
Maximum Switching Voltage DC	100 V
Relay Configuration	SPDT
Switch Bandwidth	51 MHz
Number of Relays	53
Supported Hardware Platform	PXI
Maximum Carry Current AC	2 A
Maximum Switching Voltage AC	100 V
Number of Channels	53
Relay Type	Electromechanical
Row Access	Yes
NI part numbers	778572-22

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NI

Manufacturer

PXI

Supported Hardware Platform

PXI-2522

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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

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Product-specific answers based on available technical information.

What relay configuration does the PXI-2522 use?

It uses 53 independent SPDT (single-pole double-throw), Form C electromechanical armature relays. The relays are nonlatching.

What are the PXI-2522 switching and carry ratings?

The listed maximum switching voltage is 100 V AC/DC, and the maximum DC switching current is 2 A. The maximum AC carry current is 2 A; carry current is a separate rating from switching current. Consult the NI specifications for applicable load and operating limits.

Does the PXI-2522 track relay use?

Yes. The module supports onboard relay count tracking and is fully software programmable.

What platform and bus connection are listed for the PXI-2522?

The supported hardware platform is PXI, and the listed bus connection is PXI Hybrid. Confirm the intended chassis slot and software requirements before integration.