Measurement Computing USB-1208FS-Plus, Руководство пользователя, Страница: 6 / 29

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Chapter 1
Introducing the USB-1208FS-Plus
The USB-1208FS-Plus is an analog input and digital I/O data acquisition device that provides the following
features:

Eight analog input channels that are software configurable for either eight 11-bit single-ended inputs or
four 12-bit differential inputs

Two 12-bit analog output channels

16 digital I/O channels that are independently-selectable as input or output in two 8-bit ports

32-bit event counter input for counting TTL pulses

External digital trigger input

Bidirectional terminal for external clocking or multi-unit synchronization

Screw terminals for field wiring connections
The device is powered by the +5 V USB supply from the computer. No external power is required.
Functional block diagram
Device functions are illustrated in the block diagram shown here.
Figure 1. USB-1208FS-Plus functional block diagram