Omega Webcam OM-USB-1208FS User Manual
6
Chapter 1
Introducing the OM-USB-1208FS
This user's guide contains all of the information you need to connect the OM-USB-1208FS to your computer
and to the signals you want to measure.
and to the signals you want to measure.
The OM-USB-1208FS is a USB 2.0 full-speed device supported under popular Microsoft
®
Windows
®
operating
systems. It is designed for USB 1.1 ports, and was tested for full compatibility with both USB 1.1 and USB 2.0
ports.
ports.
The OM-USB-1208FS features eight analog inputs, two 12-bit analog outputs, 16 digital I/O connections, and
one 32-bit external event counter. The OM-USB-1208FS is powered by the +5 volt USB supply from your
computer. No external power is required.
one 32-bit external event counter. The OM-USB-1208FS is powered by the +5 volt USB supply from your
computer. No external power is required.
The analog inputs are software configurable for either eight 11-bit single-ended inputs, or four 12-bit
differential inputs. Sixteen digital I/O lines are independently selectable as input or output in two 8-bit ports.
differential inputs. Sixteen digital I/O lines are independently selectable as input or output in two 8-bit ports.
A 32-bit counter can count TTL pulses. The counter increments when the TTL levels transition from low to
high (rising-edge).
high (rising-edge).
A SYNC (synchronization) input / output line lets you pace the analog input acquisition of one USB module
from the clock output of another.
from the clock output of another.
The OM-USB-1208FS is shown in Figure 1. I/O connections are made to the screw terminals located along
each side of the OM-USB-1208FS.
each side of the OM-USB-1208FS.
Figure 1. OM-USB-1208FS