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DATAFORTH DSCA47
DATAFORTH DSCA47
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Each DSCA47 thermocouple input module provides a single channel of thermocouple input which is filtered, isolated, amplified, linearized, and converted to a high-level voltage output. Signal filtering is accomplished with a five-pole filter which provides 85dB of normal-mode rejection at 60Hz and 80dB at 50Hz. 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.
The DSCA47 can interface to eight industry standard thermocouple types: J, K, T, E, R, S, B and N. Each module has cold junction compensation to correct for parasitic thermocouples formed by the thermocouple wire and input screw terminals on the module. Upscale open thermocouple detection is provided by internal circuitry. Downscale indication can be implemented by installing a 47MΩ, ±20% resistor between screw terminals 6 and 8 on the input terminal block.
Module output is either voltage or current. For current output models a dedicated loop supply is provided at terminal 3 (+OUT) with loop return located at terminal 4 (-OUT). The system-side load may be either floating or grounded.
Special input circuits provide protection against accidental connection of powerline voltages up to 240VAC and against transient events as defined by ANSI/IEEE C37.90.1. Protection circuits are also present on the signal output and power input terminals to guard against transient events and power reversal. Power lines are secured to the module using screw terminals which are in pluggable terminal blocks for ease of system assembly and reconfiguration.
The modules have excellent stability over time and do not require recalibration, however, zero and span settings are adjustable up to ±3% to accommodate situations where fine-tuning is desired. The adjustments are made using potentiometers located under the front panel label and are non-interactive for ease of use.
Features
- Interfaces to Types J, K, T, E, R, S, B, and N Thermocouples
- Linearizes Thermocouple Signal
- Industry Standard Output of either 0-10V, 0-20mA, or 4-20mA
- 1500Vrms Transformer Isolation
- ANSI/IEEE C37.90.1 Transient Protection
- Input Protected to 240VAC Continuous
- True 3-Way Isolation
- Wide Range of Supply Voltage
- 160dB CMR
- 85dB NMR at 60Hz, 80dB at 50Hz
- ±0.08% Accuracy
- Easily Mounts on Standard DIN Rail
- C-UL-US Listed
- CE and ATEX Compliant
Block Diagram
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FAQs
What kind of products does Outlecta offer?
We specialize in surplus and demo units within HMI, IoT, and measurement technology from trusted industrial brands. All items are fully tested and verified.
Are the products new or used?
Most items are surplus stock, demo equipment, or unused overstock from manufacturers and integrators. They perform like new but come at outlet pricing.
Do products come with a warranty?
Yes — all Outlecta products include a 12-month warranty and a 30-day return policy for peace of mind.
How much can I save compared to buying new?
Customers typically save 30–70% compared to original retail prices, while still getting full industrial quality and performance.
How does buying from Outlecta help the environment?
Extending the lifetime of technology reduces CO₂ emissions, raw material extraction, and e-waste. Every purchase contributes to a more sustainable industry.
Do you provide shipping internationally?
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Can companies sell surplus hardware to Outlecta?
Absolutely. We actively buy surplus and overstock from businesses. Contact us to discuss how we can help you free up capital and reduce waste.
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Does Outlecta give back to society?
Yes — every Christmas, a portion of our revenue is donated through our parent company, Telac Elektronik, to Stockholm Stadsmission in support of children in vulnerable situations.
By choosing Outlecta, you help us give technology a second life and bring joy to those who need it most.