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NI PXIe-2527

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

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  • 64x1 1-wire, 32x1 2-wire, or 16x1 4-wire multiplexer
  • Up to 300 VDC/300 VAC, CAT I
  • Up to 2 A switching/2 A carry
  • 120 cycles/s
  • Deterministic operation with hardware triggers
  • Onboard relay counting


The NI PXIe-2527 is a high-voltage multiplexer switch module 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, the NI PXIe-2527 is an effective front end for NI 4070 and NI 4072 digital multimeters, offering simple channel expansion for voltage, current, resistance, capacitance, or inductance measurements. You can choose from the following multiple-channel configurations: 64x1 one-wire, 32x1 two-wire, and 16x1 four-wire. Each channel, using robust electromechanical relays, is capable of scanning up to 120 channels/s. A cold-junction compensation (CJC) sensor is also included in the front-mounting terminal block to assist in thermocouple scanning applications.

Specifications Documents

Specifications Summary

General
Product Family Switches
Form Factor PXI Platform
PXI Bus Type PXI Express , PXI Hybrid Compatible
Part Number 780587-27
Operating System/Target Real-Time , Windows
LabVIEW RT Support Yes
Triggering Digital
Synchronization Bus (RTSI) No
External Clocking Yes
Length 16 cm
Width 10 cm
Height 2 cm
I/O Connector 100-pin HDI
Product Name NI PXIe-2527
Switches
Switch Type Multiplexer
Max Switching Voltage DC (Pollution Deg. 2) 300 VDC
Maximum Switching Voltage AC 300 Vrms
Max Switching Current 2 A
Maximum Carry Current 2 A
Maximum Switching Power 60 W
Bandwidth 30 MHz
Relay Type Electromechanical
Path Resistance (Typical) 1 Ohm
Thermal EMF 2.5 µV
Scan Rate 120 cycles/s
Multiplexer Config Wire Mode 1-wire , 4-wire , 2-wire
Multiplexer Config Banks 1

NI PXIe-2527 Packages

To use the NI PXIe-2527 , you need all items in the diagram below. Select Option 1 if you already own a PXI System, or Option 2 if you do not already own a chassis, controller, or software.

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PXI System
1 Connector Block NI PXIe-2527 Chassis Controller Software
NI PXIe-2527 and Accessories Only
NI PXIe-2527 - 780587-27 Qty $ 1,495 each
Required Accessories
Connector Block - Screw Terminal
TB-2627 - 779358-01
Qty $ 287 each
 
Optional Accessories Show

Package Price: $ 1,782
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Since your device does not have direct signal connectivity, you need a terminal block to act as an interface between your sensors/signals and your device. A terminal block provides easy access to the inputs and outputs of your hardware.
The chassis provides rugged, modular housing for the controller and modules and contains the high-performance PXI backplane, which includes the system's data, timing, and triggering buses.
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You need software to interface with your hardware and to collect, analyze, present, and store your measurements. This board is compatible with a variety of programming languages, including LabVIEW, C/C++, Visual Basic, and .NET. LabVIEW provides the easiest integration with all of your NI hardware and is recommended to maximize your hardware investment.

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