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NI PXIe-6537

50 MHz Digital I/O for PXI Express

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  • 50 MHz maximum clock rate
  • 200 MB/s maximum throughput
  • Selectable voltage levels of 2.5 and 3.3 V (5 V compatible)
  • 32 channels with per-channel directional control
  • Synchronous and asynchronous timing modes
  • Software compatible with NI 6533 and NI 6534 NI-DAQmx applications


The National Instruments PXIe-6537 is a high-speed digital I/O module capable of continuously streaming data up to 200 MB/s over the PXI Express bus.

The NI PXIe-6537 features clock rates up to 50 MHz from internal or external sources, selectable voltage levels of 2.5 and 3.3 V (5 V compatible), and per-channel directional control of 32 digital lines. The NI PXIe-6537, based on NI-DAQmx driver software, is compatible with the NI Digital Waveform Editor, so you can interactively create, edit, and import digital waveforms.

The low-cost, high-throughput architecture of the NI PXIe-6537 makes it an ideal solution for interfacing and testing image sensors or display panels. The module is also well-suited for other common digital applications such as pattern I/O, change detection, protocol emulation, or other custom digital interfacing.

Specifications Documents

View Data Sheet

Specifications Summary

General
Product Family High-Speed Digital I/O
Form Factor PXI Platform
PXI Bus Type PXI Express , PXI Hybrid Compatible
Part Number 779989-01
Operating System/Target Windows
Triggering Digital
Synchronization Bus (RTSI) Yes
External Clocking Yes
Length 21.4 cm
Width 13.1 cm
Height 2 cm
I/O Connector 68-pin VHDCI female
Product Name NI PXIe-6537
Analog Input
Channels 0
Analog Output
Channels 0
Digital I/O
Bidirectional Channels 32
Timing Hardware
Maximum Clock Rate 50 MHz
Maximum Data Rate / Channel 50 Mbits/s
Logic Levels 2.5 V , 3.3 V
Differential Logic No
Watchdog Timer No
Supports Handshaking I/O? Yes
Supports Pattern I/O? Yes
Digital Interface Parallel
Logic State Control Software Controlled
Supports Hardware Data Compare? No
Supports Linking/Looping Segments? No
Supports Data Delay? No
Offers Dedicated Bandwidth? Yes

NI PXIe-6537 Packages

To use the NI PXIe-6537 , 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 1 Cable NI PXIe-6537 Chassis Controller Software
NI PXIe-6537 and Accessories Only
NI PXIe-6537 - 779989-01 Qty $ 2,665 each
Required Accessories
Connector Block -
CB-2162 - 778592-01
Qty $ 341 each
Cable - Unshielded
Qty $ 212 each
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Package Price: $ 3,218
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Since your device does not have direct signal connectivity, you need a connector block to act as an interface between your sensors/signals and your device. A connector block provides easy access to the inputs and outputs of your hardware.
You need a cable to transmit signals between your device and your signal connections on your connector block.
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.
The controller runs your application and interfaces with your PXI modules.
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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