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DSCT32, Analog Current Input Transmitters

Each DSCT32 current input transmitter provides a single channel of analog input which is filtered, isolated, amplified, and converted to a process current output. Signal filtering is accomplished with a five-pole filter, which provides 80dB per...
DSCT32, Analog Current Input Transmitters
DSCT32, Analog Current Input Transmitters
Features:
  • Accepts Milliamp Level Signals
  • Process Current Output
  • 1500Vrms Transformer Isolation
  • ANSI/IEEE C37.90.1 Transient Protection
  • Input and Output Protected to 240VAC Continuous
  • Up to 60V Loop Voltage
  • 160dB CMR
  • NMR, 80dB Per Decade Above 100Hz
  • ±0.03% Accuracy
  • ±0.01% Linearity
  • Easily Mounts on Standard DIN Rail
  • CSA and FM Approvals Pending
  • CE Compliant
Manufacturer:  Dataforth
Quote
Datasheet
Description
Specifications
Models & Accessories
Downloads
Similar Products
DSCT32 - Description

Each DSCT32 current input transmitter provides a single channel of analog input which is filtered, isolated, amplified, and converted to a process current output. Signal filtering is accomplished with a five-pole filter, which provides 80dB per decade of normal-mode rejection above 100Hz. An anti-aliasing pole is located on the field side of the isolation barrier, and the other four are on the process loop 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.

Special input and output circuits on the DSCT32 transmitters provide protection against accidental connection of power-line voltages up to 240VAC and against transient events as defined by ANSI/IEEE C37.90.1. Signal and loop 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 ┬▒10% 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.

DSCT32 - Specifications
Input Type0 - 20 mA
4 - 20 mA
# of Inputs1
Output Type4 - 20 mA
Max Bandwidth100 Hz
IsolationYes
Supply Power12 - 60 V DC
DSCT32 - Models & Accessories
Models
DSCT32-02Input Range: 0 to 20 mA
DSCT32-01Input Range: 4 to 20 mA
DSCT32 - Downloads
DSCT32 - Similar Products
  • Current Input Module
  • 1500 V Transformer Isolation
  • True 3-Way Isolation
  • Accuracy: ± 0.03%
  • DIN Rail Mounted Module
  • ANSI/IEEE C37.90.1 Transient Protection
  • Input Protected to 240 V AC Continuous
Input Type
0 - 20 mA,
4 - 20 mA,
±20 mA
# of Inputs
1
Output Type
0 - 10 V DC,
±10 V DC,
0 - 20 mA,
4 - 20 mA
Max Bandwidth
100 Hz
Isolation
Yes
Supply Power
15 - 30 V DC
  • DC Voltmeter and Ammeter
  • Transmitters have galvanic separation with isolation voltage of 600 V
  • By trimmers accessible from the face of the transmitter we may adjust the range of output signal within the range of ±10%
  • Accuracy: ±0,1 % of range
  • 35 mm wide DIN Rail Mount
  • Rating: IP 20
Input Type
0 - 450 V DC,
0 - 5 A
# of Inputs
1
Output Type
0 - 2 V DC,
0 - 5 V DC,
0 - 10 V DC,
±10 V DC,
0 - 20 mA,
4 - 20 mA,
±20 mA
Excitation
5 - 24 V DC
Isolation
Yes
Supply Power
10 - 30 V DC,
10 - 30 V AC,
80 - 250 V AC
  • Process Monitor
  • Transmitters have galvanic separation with isolation voltage of 600 V
  • By trimmers accessible from the face of the transmitter we may adjust the range of output signal within the range of ±10%
  • Accuracy: ±0,1 % of range
  • 35 mm wide DIN Rail Mount
  • Rating: IP 20
Input Type
0 - 2 V DC,
0 - 5 V DC,
0 - 10 V DC,
0 - 5 mA,
0 - 20 mA,
4 - 20 mA
# of Inputs
1
Output Type
0 - 2 V DC,
0 - 5 V DC,
0 - 10 V DC,
±10 V DC,
0 - 20 mA,
4 - 20 mA,
±20 mA
Excitation
5 - 24 V DC
Isolation
Yes
Supply Power
10 - 30 V DC,
10 - 30 V AC,
80 - 250 V AC
  • Precisely regulated excitation
  • Chopper-stabilized low-drift amplification
  • Selectable low-pass active filtering
  • Front panel setup configuration & calibration
  • Wide input range from 50 mv to 50 Vdc FS & 4-20mA
Input Type
±50 mV to ±50 V DC,
4 - 20 mA
# of Inputs
1
Output Type
±5 V DC,
±10 V DC,
4 - 20 mA
Max Bandwidth
1 kHz
Excitation
10 V DC
Isolation
Yes
  • Programmable Isolated Transmitters
  • DC Voltmeter and ammeter
  • Teach- In, Digital Filter, Tare
  • Output: 0/4...20 mA/0...5 mA/0...2/5/10 V/10V
  • Power Supply 10...30 V AC/DC
  • Option: Comparators, Data Output, USB Interface
  • Isolated
  • Accuracy: ±0,15 % of range (for 20 meas./s)
Interface
USB
Input Type
±25 V DC,
±50 V DC,
±100 V DC,
±200 V DC,
±400 V DC,
±1 A,
±5 A
# of Inputs
1
Output Type
0 - 2 V DC,
0 - 5 V DC,
0 - 10 V DC,
±10 V DC,
0 - 5 mA,
0 - 20 mA,
4 - 20 mA,
RS-485
Isolation
Yes
Supply Power
10 - 30 V DC,
10 - 30 V AC
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