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OMB-DBK44
2-Channel Multi-Purpose Isolated Signal Conditioning Card
for OMB-LOGBOOK and OMB-DAQBOARD-2000 Series
⻬ Accepts Two OM5
Isolated Input Signal
Conditioning Modules
of Any Type
⻬ Features On-Board
Screw-Terminal Signal
Connections
The OMB-DBK44 two-channel
multi-purpose isolated signal
conditioning card allows
OMEGA’s OMB-LOGBOOK
and OMB-DAQBOARD-2000
Series data acquisition systems
to accommodate two optional OM5
isolated signal conditioning modules
of any type*. Each user-configurable
signal conditioning module offers
500 V isolation from the system
and from other channels. It can
accommodate an array of signals—
from low-level thermocouple signals
to strain gage signals.
The OMB-DBK44 features screw
terminals that provide access to
each channel’s analog inputs, as
well as to the excitation output if
the card is used with a strain gage
or RTD module. In addition, each
OMB-DBK44 channel has a coldjunction sensor mounted adjacent
to each screw terminal block. This
permits OM5 thermocouple modules
to output linearized and compensated
temperature.
Expansion Enclosures
The OMB-DBK44 can be housed
in a variety of ways, such as in the
OMB-DBK10 three-slot expansioncard enclosure, the OMB-DBK41
ten-slot analog expansion module,
or within the expansion slot of
an OMB-DAQBOOK-112 or
OMB-DAQBOOK-216.
Powering the OMB-DBK44
The OMB-LOGBOOK
and OMB-DAQBOARD-2000 Series
can provide power for the OMBDBK44 via their P1 connectors.
The OM5 modules used with the
OMB-DBK44 typically require 5 V at
30 mA minimum, and can demand
up to 175 mA in applications
requiring excitation voltages.
An external 5 V power supply
may be required if the power
requirements exceed the data
acquisition system’s power output.
The external 5 V source is connected
to the OMB-DBK44 via on-board
screw terminal connections.
Please note that for applications
that demand more than four isolated
channels, it is more economical to
use the OMB-DBK42 sixteenchannel isolated module.
Specifications
Connector: DB37 male, mates with
P1 pinout on the OMB-LOGBOOK
or OMB-DAQBOARD-2000 Series;
screw terminals for signal inputs
User Connections:
4 screw-terminals/channel;
2 screw-terminals for external 5 Vdc
ISOLATION
Input Power to DAQ System:
0 V
Signal Inputs to DAQ System:
1500 Vdc
Input Channel-to-Channel:
500 Vdc
Signal Modules: Any OM5 series
input module; cold-junction sensors
for T/C modules are located by each
channel terminal block; plug-in
locations for Current Loop sensing
resistors are provided for each
channel
Module Capacity: 2 (input only)
OM5 modules
Weight: .25 kg (8 oz) with
no modules installed
DC Input Fuse: 4 A
Cables: Use OMB-CA-37-x
with OMB-LOGBOOK and
OMB-DAQBOARD-2000 Series
Model OMB-DBK44
$
319
Ordering Example: OMB-DBK44 2-channel multi-purpose isolated signal
conditioning card, $319.
To Order
(Specify Model Number)
Model Number Price Description
OMB-DBK44 $319 2-Channel Multi-Purpose Isolated Signal
Conditioning Card
*OM5 modules must be purchased separately.
H-81
The OMB-DBK44, $319, 2-channel
multi-purpose isolated signal conditioning card
AVAILABLE FOR FAST DELIVERY!
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