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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 cold-junction
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 expansion-card
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 OMB-DBK44
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 sixteen-channel
isolated module.
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† All dollar amounts on this site are shown in Singapore currency.
Note: *OM5 modules must be purchased separately.
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