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User’s Manual DRF Series
GENERAL INFORMATION
The DRF series of Isolated Signal
Converters, allow to convert process
signals, temperatures, electrical signals,
etc, to current loops or voltage signals for
further retransmision, while introducing
into the system galvanic isolation barriers
between the input, the output and the
power supply circuits.
The DRF series of Isolated Signal
Converters, offer an excellent relation
between signal conversion speed and
measurement accuracy. Offering up to a
0.2% accuracy and down to 70ms
response time, these units can process
information coming from probes or
transducers, in such a way that can be
quickly retransmitted in a fast and
accurate form to remote data acquisition
systems or PLC’s. The isolated signal
converters of the DRF series are ideal to
integrate into 12 bit data acquisition
systems.
Its powerful galvanic isolation of 3500 V
introduces high security to the measuring
systems, preventing the propagation of
those phenomenon which usually cause
damage, such as transient peaks or
energy shocks in any of the circuits of the
system. The galvanic isolation also acts
as a strong CE barrier. The decoupling
created between the circuits avoids
pernicious effects on the output, such as
ground loops or signal leaks, which distort
the acquired data and are extremely
difficult to isolate once introduced into the
signal.
The isolation offered by the DRF series
of Isolated Signal Converters is a 3 way
isolation. Thus, all the benefits exposed
above are applicable to any of the three
circuits composing the instrument : input,
output and power.
Recalibration of the instruments is realized
in a fast and easy way. Opening the front
cover grants access to the configuration
jumpers. Additional Span and Offset
potentiometers are directly accessible
from the frontal part. These potentiometers
are highly decoupled, minimizing the
iterations needed to obtain a correct
adjustment.
In order to obtain a higher and quickest
benefit of the DRF units, we recommend
you to read carefully the information
provided in this manual before proceeding
to the installation of the instrument. In this
manual you will find all technical data,
both electrical and mechanical, needed
for a correct instalation and utilization.
Note : The DRF Series Isolated Signal
Converters have a characteristics label
attached on the side of the instrument.
Check that this information matches
with your requirements for the specific
application, and especially check the
value and type of the Power Supply.
