DSCA47 - Linearized Thermocouple Input Signal Conditioners

Main 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
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Price request Datasheet

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 47MW, ±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 power-line 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. Signal and 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.

DSCA47B-11 - Thermocouple: B Input Range: 500 to 1800 °C Output Range: 0 to +10 V

DSCA

DSCA47B-11C - Thermocouple: B Input Range: 500 to 1800 °C Output Range: 4 to 20 mA

DSCA

DSCA47B-11E - Thermocouple: B Input Range: 500 to 1800 °C Output Range: 0 to 20 mA

DSCA

DSCA47E-08 - Thermocouple: E Input Range: 0 to 1000 °C Output Range: 0 to +10 V

DSCA

DSCA47E-08C - Thermocouple: E Input Range: 0 to 1000 °C Output Range: 4 to 20 mA

DSCA

DSCA47E-08E - Thermocouple: E Input Range: 0 to 1000 °C Output Range: 0 to 20 mA

DSCA

DSCA47J-01 - Thermocouple: J Input Range: 0 to 760 °C Output Range: 0 to +10 V

DSCA

DSCA47J-01C - Thermocouple: J Input Range: 0 to 760 °C Output Range: 4 to 20 mA

DSCA

DSCA47J-01E - Thermocouple: J Input Range: 0 to 760 °C Output Range: 0 to 20 mA

DSCA

DSCA47J-02 - Thermocouple: J Input Range: -100 to 300 °C Output Range: 0 to +10 V

DSCA

DSCA47J-02C - Thermocouple: J Input Range: -100 to 300 °C Output Range: 4 to 20 mA

DSCA

DSCA47J-02E - Thermocouple: J Input Range: -100 to 300 °C Output Range: 0 to 20 mA

DSCA

DSCA47J-03 - Thermocouple: J Input Range: 0 to 500 °C Output Range: 0 to +10 V

DSCA

DSCA47J-03C - Thermocouple: J Input Range: 0 to 500 °C Output Range: 4 to 20 mA

DSCA

DSCA47J-03E - Thermocouple: J Input Range: 0 to 500 °C Output Range: 0 to 20 mA

DSCA

DSCA47K-04 - Thermocouple: K Input Range: 0 to 1000 °C Output Range: 0 to +10 V

DSCA

DSCA47K-04C - Thermocouple: K Input Range: 0 to 1000 °C Output Range: 4 to 20 mA

DSCA

DSCA47K-04E - Thermocouple: K Input Range: 0 to 1000 °C Output Range: 0 to 20 mA

DSCA

DSCA47K-05 - Thermocouple: K Input Range: 0 to 500 °C Output Range: 0 to +10 V

DSCA

DSCA47K-05C - Thermocouple: K Input Range: 0 to 500 °C Output Range: 4 to 20 mA

DSCA

DSCA47K-05E - Thermocouple: K Input Range: 0 to 500 °C Output Range: 0 to 20 mA

DSCA

DSCA47K-13 - Thermocouple: K Input Range: -100 to 1350 °C Output Range: 0 to +10 V

DSCA

DSCA47K-13C - Thermocouple: K Input Range: -100 to 1350 °C Output Range: 4 to 20 mA

DSCA

DSCA47K-13E - Thermocouple: K Input Range: -100 to 1350 °C Output Range: 0 to 20 mA

DSCA

DSCA47K-14 - Thermocouple: K Input Range: 0 to 1200 °C Output Range: 0 to +10 V

DSCA

DSCA47K-14C - Thermocouple: K Input Range: 0 to 1200 °C Output Range: 4 to 20 mA

DSCA

DSCA47K-14E - Thermocouple: K Input Range: 0 to 1200 °C Output Range: 0 to 20 mA

DSCA

DSCA47N-15 - Thermocouple: N Input Range: -100 to 1300 °C Output Range: 0 to +10 V

DSCA

DSCA47N-15C - Thermocouple: N Input Range: -100 to 1300 °C Output Range: 4 to 20 mA

DSCA

DSCA47N-15E - Thermocouple: N Input Range: -100 to 1300 °C Output Range: 0 to 20 mA

DSCA

DSCA47R-09 - Thermocouple: R Input Range: 500 to 1750 °C Output Range: 0 to +10 V

DSCA

DSCA47R-09C - Thermocouple: R Input Range: 500 to 1750 °C Output Range: 4 to 20 mA

DSCA

DSCA47R-09E - Thermocouple: R Input Range: 500 to 1750 °C Output Range: 0 to 20 mA

DSCA

DSCA47S-10 - Thermocouple: S Input Range: 500 to 1750 °C Output Range: 0 to +10 V

DSCA

DSCA47S-10C - Thermocouple: S Input Range: 500 to 1750 °C Output Range: 4 to 20 mA

DSCA

DSCA47S-10E - Thermocouple: S Input Range: 500 to 1750 °C Output Range: 0 to 20 mA

DSCA

DSCA47T-06 - Thermocouple: T Input Range: -100 to 400 °C Output Range: 0 to +10 V

DSCA

DSCA47T-06C - Thermocouple: T Input Range: -100 to 400 °C Output Range: 4 to 20 mA

DSCA

DSCA47T-06E - Thermocouple: T Input Range: -100 to 400 °C Output Range: 0 to 20 mA

DSCA

DSCA47T-07 - Thermocouple: T Input Range: 0 to 200 °C Output Range: 0 to +10 V

DSCA

DSCA47T-07C - Thermocouple: T Input Range: 0 to 200 °C Output Range: 4 to 20 mA

DSCA

DSCA47T-07E - Thermocouple: T Input Range: 0 to 200 °C Output Range: 0 to 20 mA

DSCA

DSCA47Linearized Thermocouple Input Signal Conditioners
DSCA47B-11Thermocouple: B Input Range: 500 to 1800 °C Output Range: 0 to +10 V
DSCA47B-11CThermocouple: B Input Range: 500 to 1800 °C Output Range: 4 to 20 mA
DSCA47B-11EThermocouple: B Input Range: 500 to 1800 °C Output Range: 0 to 20 mA
DSCA47E-08Thermocouple: E Input Range: 0 to 1000 °C Output Range: 0 to +10 V
DSCA47E-08CThermocouple: E Input Range: 0 to 1000 °C Output Range: 4 to 20 mA
DSCA47E-08EThermocouple: E Input Range: 0 to 1000 °C Output Range: 0 to 20 mA
DSCA47J-01Thermocouple: J Input Range: 0 to 760 °C Output Range: 0 to +10 V
DSCA47J-01CThermocouple: J Input Range: 0 to 760 °C Output Range: 4 to 20 mA
DSCA47J-01EThermocouple: J Input Range: 0 to 760 °C Output Range: 0 to 20 mA
DSCA47J-02Thermocouple: J Input Range: -100 to 300 °C Output Range: 0 to +10 V
DSCA47J-02CThermocouple: J Input Range: -100 to 300 °C Output Range: 4 to 20 mA
DSCA47J-02EThermocouple: J Input Range: -100 to 300 °C Output Range: 0 to 20 mA
DSCA47J-03Thermocouple: J Input Range: 0 to 500 °C Output Range: 0 to +10 V
DSCA47J-03CThermocouple: J Input Range: 0 to 500 °C Output Range: 4 to 20 mA
DSCA47J-03EThermocouple: J Input Range: 0 to 500 °C Output Range: 0 to 20 mA
DSCA47K-04Thermocouple: K Input Range: 0 to 1000 °C Output Range: 0 to +10 V
DSCA47K-04CThermocouple: K Input Range: 0 to 1000 °C Output Range: 4 to 20 mA
DSCA47K-04EThermocouple: K Input Range: 0 to 1000 °C Output Range: 0 to 20 mA
DSCA47K-05Thermocouple: K Input Range: 0 to 500 °C Output Range: 0 to +10 V
DSCA47K-05CThermocouple: K Input Range: 0 to 500 °C Output Range: 4 to 20 mA
DSCA47K-05EThermocouple: K Input Range: 0 to 500 °C Output Range: 0 to 20 mA
DSCA47K-13Thermocouple: K Input Range: -100 to 1350 °C Output Range: 0 to +10 V
DSCA47K-13CThermocouple: K Input Range: -100 to 1350 °C Output Range: 4 to 20 mA
DSCA47K-13EThermocouple: K Input Range: -100 to 1350 °C Output Range: 0 to 20 mA
DSCA47K-14Thermocouple: K Input Range: 0 to 1200 °C Output Range: 0 to +10 V
DSCA47K-14CThermocouple: K Input Range: 0 to 1200 °C Output Range: 4 to 20 mA
DSCA47K-14EThermocouple: K Input Range: 0 to 1200 °C Output Range: 0 to 20 mA
DSCA47N-15Thermocouple: N Input Range: -100 to 1300 °C Output Range: 0 to +10 V
DSCA47N-15CThermocouple: N Input Range: -100 to 1300 °C Output Range: 4 to 20 mA
DSCA47N-15EThermocouple: N Input Range: -100 to 1300 °C Output Range: 0 to 20 mA
DSCA47R-09Thermocouple: R Input Range: 500 to 1750 °C Output Range: 0 to +10 V
DSCA47R-09CThermocouple: R Input Range: 500 to 1750 °C Output Range: 4 to 20 mA
DSCA47R-09EThermocouple: R Input Range: 500 to 1750 °C Output Range: 0 to 20 mA
DSCA47S-10Thermocouple: S Input Range: 500 to 1750 °C Output Range: 0 to +10 V
DSCA47S-10CThermocouple: S Input Range: 500 to 1750 °C Output Range: 4 to 20 mA
DSCA47S-10EThermocouple: S Input Range: 500 to 1750 °C Output Range: 0 to 20 mA
DSCA47T-06Thermocouple: T Input Range: -100 to 400 °C Output Range: 0 to +10 V
DSCA47T-06CThermocouple: T Input Range: -100 to 400 °C Output Range: 4 to 20 mA
DSCA47T-06EThermocouple: T Input Range: -100 to 400 °C Output Range: 0 to 20 mA
DSCA47T-07Thermocouple: T Input Range: 0 to 200 °C Output Range: 0 to +10 V
DSCA47T-07CThermocouple: T Input Range: 0 to 200 °C Output Range: 4 to 20 mA
DSCA47T-07EThermocouple: T Input Range: 0 to 200 °C Output Range: 0 to 20 mA

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