Omega Webcam OM-USB-1208FS User Manual
OM-USB-1208FS User's Guide
Functional Details
12
USB connector
The USB connector is on the right side of the OM-USB-1208FS. This connector provides +5 V power and
communication. The voltage supplied through the USB connector is system-dependent, and may be less than
5 V. No external power supply is required.
communication. The voltage supplied through the USB connector is system-dependent, and may be less than
5 V. No external power supply is required.
LED
The LED on the front of the housing indicates the communication status of the OM-USB-1208FS. It uses up to
5 mA of current and cannot be disabled. The table below defines the function of the OM-USB-1208FS LED.
5 mA of current and cannot be disabled. The table below defines the function of the OM-USB-1208FS LED.
LED Illumination
LED Illumination
Indication
Steady green
The OM-USB-1208FS is connected to a computer or external USB hub.
Blinks continuously
Data is being transferred.
Screw terminal wiring
The OM-USB-1208FS has two rows of screw terminals—one row on the top edge of the housing, and one row
on the bottom edge. Each row has 20 connections. Pin numbers are identified in Figure 4.
on the bottom edge. Each row has 20 connections. Pin numbers are identified in Figure 4.
Figure 4. OM-USB-1208FS Screw terminal pin numbers
Screw terminal
– pins 1-20
The screw terminals on the top edge of the OM-USB-1208FS (pins 1 to 20) provide the following connections:
Eight analog input connections (
CH0 IN
to
CH7 IN
)
Two analog output connections (
D/A OUT 0
to
D/A OUT 1
)
One external trigger source (
TRIG_IN
)
One SYNC terminal for external clocking and multi-unit synchronization (
SYNC
)
One calibration terminal (
CAL
)
Five analog ground connections (
AGND
)
One ground connection (
GND
)
One external event counter connection (
CTR
)