Dataforth Signal Conditioning Modules  •  Signal Conditioners
DSCA42 Transmitter Interface Module
DSCA42 - 2-Wire Transmitter Interface DIN Module With Loop Power, 100Hz Bandwidth
CE is a mandatory standard for products on the market in the European Economic Area. By CE marking a product, the manufacturer ensures that the item meets the essential safety requirements set out in the applicable CE directive.
This product fully adheres to the Restriction of Hazardous Substances Directive 2002/95/EC, RoHS for short.  The directive covers the restriction of use of certain hazardous substances in electrical and electronic equipment and was adopted in February 2003 by the European Union.
Underwriters Laboratories (UL) is an independent product safety certification organisation based in the United States. UL develops standards for products, materials, components, assemblies, tool and equipment, mainly dealing with product safety.
The National Electrical Code (NEC) defines hazardous environments as areas “where fire or explosion hazards may exist due to flammable gases, vapours, liquids, dust or particles”. When such materials are found in the atmosphere of an area, a potential for explosion exists, which could be ignited if an electrical or other source of ignition is present. As defined by the classification authorities, certified devices are suitable for installation and operation within a Class 1, Division 2 environment. Class 1 environments are areas where there is a presence of flammable gases or vapours in the air, such as natural gas or petroleum vapour. Facilities including oil rigs, refineries, gas plants and automotive repair centres all fall within this category.
These devices have been designed to be mounted directly on to an industry standard DIN-rail.
ATEX is the name commonly given to the European Directive 94/9/EC, also known as ATEX 95 or ATEX Equipment Directive. The regulation applies to all equipment intended for use in explosive atmospheres, whether electrical or mechanical, including protective systems. There are two categories of equipment 'I' for mining and 'II' for surface industries. The directive covers a large range of equipment, potentially including electrical equipment used on fixed offshore platforms, in petrochemical plants, mines, flour mills and other areas where a potentially explosive atmosphere may be present.
4 DSCA42 versions available

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DSCA42 with 4mA to 20mA input, 0 to +10V output)
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DSCA42 with 4mA to 20mA input, 4mA to 20mA output)
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DSCA42 with 4mA to 20mA input, 0 to 20mA output)
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DSCA42 with 4mA to 20mA input, +2V to +10V output)
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Peripheral information
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DIN Rail Switching Power Supplies with 7.5W 24V DC power
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DIN Rail Switching Power Supplies with 15W 24V DC power
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DIN Rail Switching Power Supplies with 30W 24V DC power
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DIN Rail Switching Power Supplies with 50W 24V DC power
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DIN Rail Switching Power Supplies with 100W 24V DC power
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EN50022-35 Gull Wing DIN Rail, Length 2M
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EN50035-G32 G Style DIN Rail, Length 2M
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EN50022-35x15 Gull Wing DIN Rail, Length 2M
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All prices exclude VAT at current rate.
Minimum order value - £50 (exc. VAT and delivery).
Free delivery of the DSCA42 to UK Mainland on orders over £150 (exc. VAT and delivery) when purchasing online - excludes Northern Ireland, Isle of Man, Isle of Wight, Scottish Islands and the Channel Islands.

* Lead time is indicative and is subject to change at time of ordering. Next business day delivery on in-stock products only (when ordered before 3pm).
** Contact us for quantity or project pricing.
† Additional delivery charge may be incurred for certain postcodes (calculated at checkout)

DSCA42 overview

  • Accepts Process Loop Signals
  • 100Hz Signal Bandwidth
  • Industry Standard Output of either 0-10V, 2-10V, 0-20mA, or 4-20mA
  • Provides Isolated Loop Excitation
  • 1500Vrms Transformer Isolation
  • ANSI/IEEE C37.90.1 Transient Protection
  • Input Protection to 240VAC Continuous
  • True 3-Way Isolation
  • Wide Range of Supply Voltage
  • 105dB CMR
  • 5 Poles of Filtering
  • ±0.03% Accuracy
  • ±0.01% Linearity
  • Easily Mounts on Standard DIN Rail
  • C-UL-US Listed
  • CE and ATEX Compliant
Each DSCA42 2-wire transmitter interface module provides a single channel of 4 to 20mA process current input which is filtered, isolated, amplified, and converted to a high level voltage output. An isolated 24V power supply is provided to power the 2-wire transmitter. Signal filtering is accomplished with a five-pole filter which is optimized for step response. An anti-aliasing pole is located on the field side of the isolation barrier, and the other four poles are on the system side. After the initial field-side filtering, the input signal is chopped by a proprietary chopper circuit. Isolation is provided by transformer coupling, again using a proprietary technique to suppress transmission of common mode spikes or surges.
OPC-UA is supported by many of our communication and I/O products. If you are interested but not quite sure how to implement OPC-UA into your factory then get in touch.
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