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Last Revised: 2014-11-06 07:14:35.0
NI USB-6501
Low-Cost USB Digital I/O Device
Small, portable digital I/O device
24 digital I/O lines, one 32-bit counter
Overvoltage protection, 8.5 mA current drive
Full-speed USB (12 Mbit/s) bus interface
Built-in screw terminals with removable connectors for easier connectivity
OEM version available with 34-pin IDC mass termination connectivity
Overview
The NI USB-6501 is a portable digital I/O device that provides reliable data acquisition and control at a low price. With plug-and-play USB connectivity, the USB-6501 is simple
enough for home/academic applications but robust and versatile enough for laboratory/industrial applications. The board-only version is ideal for embedded OEM applications.
Requirements and Compatibility
OS Information
Linux®
Mac OS X
Windows 2000/XP
Windows 7
Windows Vista x64/x86
Driver Information
NI-DAQmx
Software Compatibility
ANSI C
LabVIEW
LabWindows/CVI
Measurement Studio
Visual Basic
Visual Studio
Visual Studio .NET
Comparison Tables
Product Bus Digital I/O Lines Counters Current Drive Logic Level Industrial Feature Set
NI 6501 USB 24 1 8.5 mA 5 V TTL/CMOS No
Application and Technology
Hardware
The USB-6501 is a full-speed USB device that provides 24 DIO lines and a 32-bit counter. The 24 digital lines are arranged in three ports: P0.<0..7>, P1.<0..7>, and P2.<0..7>.
P2.7 can also function as a 32-bit counter. You can individually program each of the USB-6501 DIO lines as a DI or DO line and use the DIO lines to monitor or control digital
signals. All samples of the DI lines and updates of the DO lines are software-timed. The default configuration of the USB-6501 DIO ports is open-drain for 5 V operation with an
| | | Requirements and Compatibility Ordering Information Detailed Specifications Pinouts/Front Panel Connections
For user manuals and dimensional drawings, visit the product page resources tab on ni.com.
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