NIUSB-482

Serial Instrument Control Interfaces for USB NI USB-232 Series, NI USB-485 Series • Compatible with standard PC serial port • 1, 2, and 4-port versions • Handle RTS/CTS hardware handshake lines • 128 B transmit and receive FIFOs • 5,6,7, or 8 data bits New NI USB-232 • RS-232 interface • 230.4 kb/s maximum transfer rate • Software-selectable DTE or DCE transceiver modes (2 and 4-port models only) Operating Systems Windows 2000/XP NI USB-485 • RS-485 or RS-422 interface • 460.8 kb/s maximum transfer rate • Communicates with up to 31 devices • Automatic transceiver-control mode for 2-wire RS-485 devices • Software-selectable biasing • Cable lengths up to 1.2 km (4,000 ft) Recommended Software • LabVIEW™ • LabWindows™/CVI™ • Measurement Studio™ Other Compatible Software • C/C++ • Visual Basic • Any package with the Microsoft serial driver interface Driver Software (included) • NI-Serial Overview The National Instruments USB-232 and USB-485 transform your Universal Serial Bus (USB) port into asynchronous serial ports for communication with serial devices. The NI USB-232 and USB-485 are available in either 1, 2, or 4-port versions and use standard RS-232, RS-422, or RS-485 communications. All products include driver software for Windows 2000/XP. You can install and use the USB-232 and USB-485 as standard serial ports from your existing applications or with applications written with NI-VISA. Specifications FIFO size ................................................. Maximum transfer rate............................ USB connector (1 port) ............................ USB connector (2 and 4 port) .................. Serial connectors...................................... Noise emissions ....................................... 128 B 460.8 kb/s (RS-485); 230.4 kb/s (RS-232) captive cable with USB series A plug USB standard series B connector DB-9 Class A Additionally, the USB-232 2 and 4-port INFO CODES versions feature software-selectable For more information DTE or DCE transceiver modes, as well or to order products online, visit ni.com/info as an automatic transceiver detection and enter: mode, or Auto232. The USB-485 usb232 features software selectable biasing; usb485 therefore, you can turn biasing on and off for each port through software. BUY ONLINE! Development environments, such as Visual Basic, Visual C++, and Excel, as well as National Instruments LabVIEW, LabWindows/CVI and Measurement Studio, can access the serial ports using standard serial I/O functions. Power Requirements 5 VDC (from USB) ........................................ USB-232 (100 mA typ, 200 mA max), USB-232/2 (200 mA typ, 500 mA max), USB-232/4 (300 mA typ, 500 mA max), USB-485 (175 mA typ, 500 mA max) USB-485/2 (300 mA typ, 500 mA max), +12 VDC (from supply furnished)............ USB-485/4 (225 mA typ, 500 mA max) Ordering Information Model NI USB-232 NI USB-232/2 NI USB-232/4 NI USB-485 NI USB-485/2 NI USB-485/4 Serial Port RS-232 RS-232 RS-232 RS-485/RS-422 RS-485/RS-422 RS-485/RS-422 Number of Ports 1 2 4 1 2 4 Part Number 778472-01 778473-02 778473-04 778475-01 778476-02 778476-P4* Operating Environment Ambient temperature............................... 0 to 70 °C Relative humidity...................................... 10 to 90%, noncondensing Storage Environment Ambient temperature (1 port).................. -40 to 80 °C Ambient temperature (2 and 4 port)........ -40 to 85 °C Relative humidity...................................... 10 to 90%, noncondensing *External 12 VDC power supply included P = Power Cord Type 0 = U.S. 120 VAC 2 = Swiss 220 VAC 3 = Australian 240 VAC 4 = Universal Euro 240 VAC 5 = North American 240 VAC 6 = United Kingdom 240 VAC Electrostatic Discharge Protection Case contact and air discharge................ ±4 kV RS-232 and RS-435 data lines ................. ±15 kV (HBM) Global 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 – and tailored for customer requirements in research, design, validation, and manufacturing. We have direct operations in more than 37 countries and distributors in another 12 locations. Our local sales and support representatives are degreed engineers, ready to partner with you to find solutions that best fit your needs. Professional Services Our Professional Services team consists of National Instruments Applications Engineers, NI Consulting Services, and a worldwide Alliance Program (a network of 600 independent consultants and integrators). Our Professional Services team can offer services ranging from basic start-up assistance and collaborative development with your engineers, to turnkey system integration and maintenance of your system. In addition to our NI Alliance Partners, we have developed global relationships with many industry partners that range from computer software and hardware companies, such as Microsoft, Dell, Siemens, and Tektronix. By collaborating with these companies, you receive a complete spectrum of solutions – from components to turnkey systems. Find the Alliance Program member directory at ni.com/alliance Local Sales and Technical Support In offices around the globe, our staff is local to the country so that you have access to field engineers who speak your language and are available to consult on your unique needs. We also have a worldwide support organization staffed with Applications Engineers trained to quickly provide superior technical assistance. Use our online Request Support interface (ni.com/support) to define your question, then speak to or e-mail an Applications Engineer, or access more than 14,000 worldwide measurement and automation professionals within NI Developer Exchange Discussion Forums. ni.com/support also provides immediate answers to your questions through self-help troubleshooting, product reference, and application development resources. For advanced technical support and software maintenance services, sign up for Premier Support, a program that provides expanded hours of support availability and expedited phone/e-mail response time (typically four business hours). Product Services NI GPIB products are warranted against defects in workmanship and material for one year from the date of shipment. To help you meet project lifecycle requirements, NI offers extended warranties for an additional charge. NI provides complete repair services for our products. Express repair and advanced replacement services are also available. Or, order your software and hardware installed in PXI and PXI/SCXI™ systems with NI Factory Installation Services. Ordering Made Easy Visit ni.com/products to browse product specifications, make comparisons, or access technical representatives via online chat or telephone. Worldwide customers can use a purchase order or credit card to buy in local currency and receive direct shipments from local NI offices. Our North American Customer Service Representatives are available Monday through Friday between 7 a.m. and 7 p.m. Central Time. Outside North America, please contact the NI office in your country Training and Certification NI recognizes that both initial instruction and ongoing education contribute to your success. NI provides a variety of training alternatives, from self-paced tutorials and interactive CDs, to worldwide hands-on courses taught by experienced instructors – all designed so that you can choose how to learn about our products. Further, NI offers certifications acknowledging individual expertise in working with NI products and technologies. Visit ni.com/training for more information. Order Status and Service Requests National Instruments brings you real-time status on current orders at ni.com/status Similarly, find out the status of open technical support incidents or hardware repair requests at ni.com/support/servicereq ni.com (800) 433-3488 National Instruments • Tel: (512) 683-0100 • Fax: (512) 683-9300 • info@ni.com C This document represents a commitment from National Instruments to the environment. © 2003 National Instruments Corporation. All rights reserved. Product and company names listed are trademarks or trade names of their respective companies.