Measurement Computing USB-231 - Manual (Page 6)

6
Chapter 1
Introducing the USB-231
The USB-231 is a high-speed data acquisition USB board supported under the Windows ® operating system.
The USB-231 is a USB 2.0 high speed device that is compatible with USB 3.0 ports. The device is also
compatible with USB 1.1 ports, but use with this older hardware is not recommended due to longer initialization
times that can occur when the USB-231 is connected through USB 1.1 ports or hubs.
Device features
The USB-231 provides the following features:
 Eight single-ended (SE) or four differential (DIFF) 16-bit analog inputs
 50 kS/s maximum sample rate
 Two analog outputs with 5 kS/s simultaneous update rate per channel maximum
 Eight individually configurable digital I/O channels
 32-bit counter
 Digital trigger input
 User voltage output
 Two detachable screw terminals for field wiring connections
The USB-231 is powered by the +5 V USB supply from your computer; no external power is required.