NIPXI-2527 NI [National Instruments Corporation], NIPXI-2527 Datasheet

NIPXI-2527

Manufacturer Part Number

NIPXI-2527

Description

32-Channel (2-Wire), 300 V Multiplexer Switches

Manufacturer

NI [National Instruments Corporation]

Datasheet

1.NIPXI-2527.pdf (4 pages)

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32-Channel (2-Wire), 300 V Multiplexer Switches

NI PXI-2527, NI PXIe-2527

■

Overview and Applications

The NI PXI-2527 and PXIe-2527 are high-voltage multiplexer switch modules

designed for medium- to high-density automated test systems. With a

switching capacity of up to 300 VDC/300 VAC and up to 2 A, an NI 2527

acts as an effective front end for NI 4070 and NI 4072 digital multimeters

(DMMs), offering simple channel expansion for voltage, current, resistance,

capacitance, or inductance measurements. NI provides multiple-channel

configurations including 64x1 one-wire, 32x1 two-wire, and 16x1 four-wire.

Each channel, using robust electromechanical relays, is capable of scanning

up to 140 channels/s. A cold-junction compensation (CJC) sensor is also

included in the front-mounting terminal block to assist in thermocouple

scanning applications.

Automatic Scanning

NI 2527 switches are able to maximize throughput in automated test applications

with the use of scanning. Scanning improves throughput by downloading a list

of up to 32,000 connections to the switches and cycling through the list using

an event (trigger) without any interruption from the host processor. You can most

efficiently implement scanning by mating an NI 2527 with an instrument such

as an NI 407x FlexDMM, which issues a trigger after each measurement.

64x1 1-wire, 32x1 2-wire, or 16x1

4-wire multiplexer

Maximum switch capacity

■

Onboard relay counting

140 cycles/s

Fully software programmable

Deterministic operation with

hardware triggers

32,000-step scan list

Available in both PXI and PXI Express

versions for optimal slot placement

Up to 300 VDC/300 VAC, CAT I

Up to 2 A switching/2 A carry

Up to 60 W or 62.5 VA

NEW!

Operating Systems

■

Recommended Software

■

Other Compatible Software

■

Driver/Measurement Services

Software (included)

Compliance

■

Windows XP/2000/NT

LabVIEW

LabWindows

Measurement Studio

for Visual C++

NI Switch Executive

Visual Basic

ANSI C/C++

■

NI-SWITCH

NI-DAQmx

™

/CVI

Relay Count Tracking

These switch modules count relay closures on each of their relays. Relay counts

are incremented each time a relay is actuated. You can retrieve the counts,

stored on board the modules, programmatically and use them for predictive

maintenance to reduce unexpected system downtime.

Simpliﬁed Signal Connectivity

Make signal connections for the NI 2527 modules in the TB-2627 front-mounting

screw-terminal block. Additionally, to simplify connectivity with a DMM, use the

HV6-BAN4 cable, which connects the banana jack inputs of a DMM to the COMs

of each multiplexer bank.

Software

All National Instruments PXI switch modules are shipped with NI-SWITCH, an

IVI-compliant driver that offers complete functionality for all switch modules.

For additional assistance in configuring, programming, and managing higher-

channel-count switching systems, NI Switch Executive software provides an

easy-to-use, intelligent switch management and visual routing environment.

Use the NI-SWITCH soft front panel for simple relay operations or debugging

switch code/execution.

Related parts for NIPXI-2527

NIPXI-2527 Summary of contents

Page 1

V Multiplexer Switches NI PXI-2527, NI PXIe-2527 NEW! 64x1 1-wire, 32x1 2-wire, or 16x1 Operating Systems ■ 4-wire multiplexer ■ Maximum switch capacity ■ Recommended Software Up to 300 VDC/300 VAC, CAT I ■ ■ ...

Page 2

V Multiplexer Switches Ordering Information NI PXI-2527 ...................................................................................778572-27 NI PXIe-2527 ..................................................................................780587-27 Includes NI-SWITCH driver software. Accessories TB-2627 terminal block .................................................................779358-01 HV6-BAN4 DMM connectivity cable ...........................................192795-0R2 NI Switch Executive Development system......................................................................778546-01 Deployment engine ........................................................................778548-00 BUY NOW For complete ...

Page 3

V Multiplexer Switches Specifications Specifications subject to change without notice. Visit the latest full specifications. Input Characteristics Maximum switching voltage Channel-to-ground ............................ 300 V, CAT I Channel-to-channel .......................... 300 V Maximum switching/carry current ... 2 A Maximum ...

Page 4

NI Services and Support NI has the services and support to meet your needs around the globe and through the application life cycle – from planning and development through deployment and SERVICE NEEDS ongoing maintenance. We offer services and service ...

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