Measurement Computing USB-1208HS-4AO, User Manual

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Chapter 1
Introducing the USB-1208HS-4AO
The USB-1208HS-4AO is a high-speed analog input and digital I/O data acquisition device providing the
following features:

Eight 13-bit single-ended (SE) or four differential (DIFF) analog inputs

Four 12-bit analog outputs

One external clock input and one external output for analog inputs

One external clock input and one external output for analog outputs

One digital trigger input

16 individually configurable digital I/O channels

Two 32-bit counter inputs

One 32-bit timer output

Screw terminals for field wiring connections
The device is powered by the +5 volt USB supply from your computer, and requires no external power.
The USB-1208HS-4AO is a USB 2.0 high-speed device supported under popular Microsoft
®
Windows
®
operating systems. The USB-1208HS-4AO is compatible with both USB 1.1 and USB 2.0 ports (although the
speed of the module maybe limited when using USB 1.1 ports).
Functional block diagram
USB-1208HS-4AO functions are illustrated in Figure 1.
Figure 1. USB-1208HS-4AO functional block diagram