DSCA40 Voltage Input Modules, 3kHz

SKU: DSCA40
Category: Signal Conditioning
Manufacturers: Dataforth

Accepts Millivolt and Voltage Level Signals
Industry Standard Output of either 0-10V, ±10V, 0-20mA, or 4-20mA
1500Vrms Transformer Isolation
3kHz Signal Bandwidth
ATEX Compliant

Input Range
Output Range

from

268,20 €

excl. 19% VAT , plus

From	Unit price
5	286,08 €*
10	274,16 €*
20	268,20 €*

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Description
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Accepts Millivolt and Voltage Level Signals
Industry Standard Output of either 0-10V, ±10V, 0-20mA, or 4-20mA
1500Vrms Transformer Isolation
Input Protected to 240VAC Continuous
True 3-Way Isolation
100dB CMR
3kHz Signal Bandwidth
±0.03% Accuracy ; ±0.01% Linearity
ATEX Compliant

Each DSCA41 voltage input module provides a single channel of analog input which is filtered, isolated, amplified, and converted to a high-level voltage output. Signal filtering is accomplished with a five-pole filter. 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 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. 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 ±5% 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.

Item information	Value
Output Type:	Analog
Input Type:	Millivolt
Module series:	DSCA Series

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