USB-9481

Portable USB-Based High-Voltage Digital I/O NI USB-9421, NI USB-9472, NI USB-9481 NEW! • Small, portable devices (12.1 by 8.6 by 2.5 cm) • 4 or 8 channels with 24 V logic levels • High current-switching capacity • 250 Vrms channel-to-earth ground isolation • Plug-and-play connectivity via USBs • Screw-terminal and D-Sub connectors for direct wiring to industrial sensors and actuators Operating Systems • Windows 2000/XP Recommended Software • LabVIEW • LabWindows/CVI Measurement Services Software (included) • NI-DAQmx driver software • VI Logger Lite data-logging software Product USB-9421 USB-9472 USB-9481 1For Bus USB USB USB Input Lines 8 sink – – Output Lines – 8 source 4 Form A Relay Isolation Bank Bank Bank Signal Levels 11 to 30 V 6 to 30 V 60 VDC 250 VAC/VDC Output Current per Channel – 0.75 A 2 A (30 VDC) 1 A (60 VDC) Connector Screw Terminal, D-Sub Screw Terminal, D-Sub Screw Terminal Driver Software1 NI-DAQmx NI-DAQmx NI-DAQmx up-to-date information on NI-DAQ, visit ni.com/support/daq/versions.htm. Table 1. Portable USB DAQ for High-Voltage Digital I/O Selection Guide Hardware Description National Instruments USB-9421, USB-9472, and USB-9481 are data acquisition modules with integrated signal conditioning. They provide plug-and-play connectivity via USB for faster setup and measurements, offering four or eight digital input or output channels specifically designed for monitoring and control applications. The NI USB-9421 digital input module accepts high-voltage levels between 11 and 30 V for direct connection to 24 V systems. The NI USB-9472 can source up to 30 V externally powered at 0.75 A of current per channel, and the NI USB-9481 uses electromechanical relays that can switch 2 A at 30 VDC and 1 A at 60 VDC. In addition, these modules include channel-to-earth ground isolation for safety, noise immunity and high common-mode voltage range. Common Applications The USB-9421, USB-9472, and USB-9481 are ideal for monitoring and control applications where easy connectivity and portability are essential, such as: • Portable industrial monitoring and controlling motors, fans, pumps, relays, and limit switches • Data logging • Small form-factor applications • Embedded OEM applications • In-vehicle data acquisition • Academic lab use Information for OEM Customers For information on special configurations and pricing, please visit ni.com/oem. Software Description The USB-9421, USB-9472, and USB-9481 all use NI-DAQmx high-performance, multithreaded driver software for interactive configuration and data acquisition on Windows OSs. Use NI-DAQmx to test channels, generate code, and apply custom functionality to any of your measurements. All NI data acquisition devices shipped with NI-DAQmx also include VI Logger Lite configuration-based data-logging software. Ordering Information NI USB-9421 Screw Terminals ........................................................779451-01 D-Sub Connector......................................................779452-01 NI USB-9472 Screw Terminals ........................................................779449-01 D-Sub Connector......................................................779450-01 NI USB-9481 ................................................................779453-01 Accessories NI 9934 ......................................................................779104-01 Recommended Accessories The USB-9421, USB-9472, and USB-9481 all have built-in screwterminal connectivity, so no additional accessories are required. The USB-9421 and USB-9472 are also available with D-Sub connector options that connect to the NI 9934 strain relief accessory, or any other standard 25-pin D-Sub connector. BUY NOW! For complete product specifications, pricing, and accessory information, call (800) 813 3693 (U.S. only) or go to ni.com/oem. 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 ongoing maintenance. We offer services and service levels to meet customer requirements in research, design, validation, and manufacturing. Visit ni.com/services. Local Sales and Technical Support In offices worldwide, our staff is local to the country, giving you access to engineers who speak your language. NI delivers industryleading technical support through online knowledge bases, our applications engineers, and access to 14,000 measurement and automation professionals within NI Developer Exchange forums. Find immediate answers to your questions at ni.com/support. 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Repair and Extended Warranty OEM Support We offer design-in consulting and product integration assistance if you want to use our products for OEM applications. For information about special pricing and services for OEM customers, visit ni.com/oem. NI provides complete repair services for our products. Express repair and advance replacement services are also available. We offer extended warranties to help you meet project life-cycle requirements. Visit ni.com/services. ni.com • (800) 813 3693 National Instruments • info@ni.com © 2005 National Instruments Corporation. All rights reserved. CVI, LabVIEW, Measurement Studio, National Instruments, National Instruments Alliance Partner, NI, ni.com, NI-DAQ, and SCXI are trademarks of National Instruments. Other product and company names listed are trademarks or trade names of their respective companies. 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