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Section 3 - Hardware Setup
3.1 OM-DAQ-USB-2401 System Components
3.2 USB Hubs and Power Adaptors
With the use of USB hubs you can connect up to 10 DAQ units to one PC. USB
hubs can be of the self-powered type, or of the USB-powered type. Both types of
hubs are available from a variety of vendors.
127 (5.00)
OM-DAQ-USB-2400 SERIES
USB DATA ACQUISITION SYSTEM
CHANNEL 1 & 2
ANALOG INPUT
12 V OUT
A
A
C
A
A
C
E
C
1
1
O
2
2
O
X
O
H
L
M
H
L
M
C
M
38
(1.5)
USB
DIMENSIONS mm (in)
Figure 3-1. OM-DAQ-USB-2401 Hardware and Dimensions
The external power port is used in applications which have
USB hubs that are not self-powered. See the next section for
more information.
The 'STATUS LED' blinking at Scan Rate means an acquisition
is in progress. At a fast scan rate, the 'STATUS LED' appears
solid. The 'POWER LED' in solid means the unit has power
Hardware Setup
CHANNEL 3 & 4
!
ANALOG INPUT
12 V OUT
A
A
C
A
A
C
E
C
3
3
O
4
4
O
X
O
H
L
M
H
L
M
C
M
-
+
EXT
PWR
9V
PWR
1.0 A
STATUS
IND
POWER SUPPLY
POWER LED
STATUS LED
USB PORT
NOTE:
NOTE:
3
107
(4.20)
97
(3.80)
3-1
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