OMEGA

DRST-DC DIN Rail Universal Uni/Bipolar DC Signal Conditioner

Universal Uni-/Bipolar DC Signal Transmitter

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DRST DC DIN Rail Universal Uni Bipolar DC Signal Conditioner 12978

 Application

    • Fast < 20 ms response time for measuring signals produced by torque, position, current & acceleration sensors.
    • User configurable bipolar or unipolar I/O means the DRST-DC is suitable for nearly any DC voltage or current       conversion.
    • Freely programmable between ±300 VDC and ±100 mA. The excitation source allows measurement of a 2-wire or 3-wire transmitter, or a potentiometer.
    • Converts narrow bipolar inputs to wide bipolar or unipolar outputs, e.g., ± 1 volt input = ± 10 volt or 4 to 20 mA       output.
    • Configurable input limits control the output value for increased safety.
    • ±20 VDC buffered voltage output for controlling devices like the PVG 32 valve (6 to 18 VDC).
 
Technical Characteristics
    • The latest analog and digital techniques are used to obtain maximum accuracy and immunity to interference.
    • Possibility of output safety read back by selecting 4 to 20 mA output.
    • The current output can drive up to 1000 Ω, with an adjustable response time of 0.0…60.0 seconds.
    • Exceptional mA output load stability of < 0.001% of span/100 Ω.
    • Meets the NAMUR NE21 recommendations, ensuring high accuracy in harsh EMC environments.
    • Meets the NAMUR NE43 recommendations, allowing the control system to easily detect a sensor error.
    • Each unit is tested to a high 2.3 kVAC, 3-port galvanic isolation level.
    • Excellent signal to noise ratio of > 60 dB.
Mounting/Installation/Programming
    • Very low power consumption means units can be mounted side by side without an air gap – even at 60°C   (140ºF) ambient temperature.
    • Configuration, monitoring, 2-point process calibration and more are accomplished using either the DRSL-Display       detachable display or the DRST-CM detachable digital communication enabler.
    • All programming can be password-protected.
 
• Measures Uni-/Bipolar DC Current and Voltage Signals
• Passive/Active Current Output and Buffered Voltage Output
• Extremely Good Signal Dynamics for Spans from 25 mV to 300 VDC
• Fast < 20 ms Response Time and Excellent 0.05% Accuracy
Input Specifications
NE21, A Criterion, Burst< ±1% of span
Conducted Emission, class A: 150 kHz to 10 MHz
Extended EMC ImmunityNAMUR
EMC Immunity Influence< ±0.5% of span
AccuracyBetter than 0.05% of selected range
Bandwidth> 40 Hz
Signal/Noise Ratio> 60 dB
Signal Dynamics, Output18 bit
Signal Dynamics, Input24 bit
ProgrammingCommunication enabler 4511/Programming front 4501
Current Limit, Reference Voltage< 60 mA
Reference Voltage, Load0 to 15 mA
Reference Voltage2.5 VDC ±0.5%
Loop Supply Limitation27 to 35 mA avg., < 80 mA peak
3-Wire Loop Supply> 18 to < 28 V @ 23 to 0 mA
2-wire Loop Supply> 16 V @ 20 mA
Auxiliary Supplies
Response Time(0 to 90%, 100 to 10%) < 20 ms
Response Time
Working Voltage250 VAC (reinforced)/500n VAC (basic)
Test Voltage2.3 kVAC
Custom Config. Output Range±10 V
Min. Span0.8 V
Programmable Standard Ranges0 to 1, 0 to 2.5, 0 to 5, 1 to 5, 0 to 10, 2 to 10 V ±1, ±2.5, ±5, ±10 V
Signal Range± 1.2 V/± 12 V
Shunted Voltage Output
Response Time, Programmable:0.0 to 60.0 s
Load (@ Voltage Output)tion
Load (@ Voltage Output):
Programmable Signal Ranges±1, ±5 and ±10 V
Programmable Signal Ranges0/0.2 to 1; 0/1 to 5 ; 0/2 to 10 V
Voltage Output
Ext. 2-Wire Loop Supply Range3.5 to 28.8 VDC
Programmable ranges0 to 20 and 4 to 20 mA
Passive 2-wire mA Output
Response Time, Programmable0.0 to 60.0 s
Load Stability= 0.001% of span / 100 Ω
Current Limit28 mA (bipolar)
Current Limit= 28 mA (unipolar)
Load (@ Current Output)= 1000 Ω/± 20 V @ ±20 mA
Min. Signal Range4 mA
Custom Config. output Range±20 mA
Signal Range-23 to 23 mA (bipolar)
Signal Range0 to 23 mA (unipolar)
Current Output
Output Specifications
Min. Potentiometer Resistance200 Ω
Calibration Resistance5 kΩ
Reference Voltage2.5 V
3-wire Potentiometer Input0 to 100%
Potentiometer Input
Input ResistanceNom. 3 MΩ (> 2.5 VDC)
Min. Measurement Range (Span)25 mV
Custom Configurable Signal Range±300 V
Programmable Measurement Ranges0 to 0.1, 0 to 1, 0.2 to 1, 0 to 2.5, 0 to 5, 1 to 5, 0 to 10, 2 to 10, 0 to 100,
0 to 300, ±0.1, ±1, ±2.5, ±5, ±10, ±100, ±300 V
Signal Range±300 VDC
Voltage Input
Input Voltage Drop0.6 V @ 20 mA nom.
Min. Measurement Range (span)0.5 mA
Programmable Measurement Ranges0 to 1, 0 to 5, 1 to 5, 0 to 20, 4 to 20, ±1, ±5, ±10, ±20, ±50, ±100 mA
Custom Configurable Signal Range: ±100 mA
Signal Range±100 mA
Current Input
Weight Approx250 g
Dimensions (H x W x D) with 4501/4511109 x 23.5 x 116/131 mm
Dimensions (H x W x D)109 x 23.5 x 104 mm
Mechanical Specifications
Protection DegreeIP20
Relative Humidity< 95% RH (non-cond.)
Calibration Temperature20 to 28°C
Storage Temperature-20 to 85°C
Operating Temperature-20 to 60°C
Environmental Conditions
Isolation Voltage
Internal Power Dissipation= 2.0 W
Max. Required Power= 2.5 W
Supply Voltage, Universal21.6 to 253 VAC, 50 to 60 Hz or 19.2 to 300 VDC
Supply
Common Specifications
Screw Terminal Torque0.5 Nm
Wire Size0.13 to 2.08 mm2 AWG 26 to 14 stranded wire
Weight Incl. 4501/4511 (approx.)285 g/350 g
DIN Rail Type: DIN EN 60715/35 mm
ULUL 508/CC22.2 no. 14
Approvals
RoHS2011/65/EU
EMC2014/30/EU
LVD2014/35/EU
Observed Authority Requirements
Load, Min> 2 kΩ
Current Limit< 50 mA
Custom Config. Output Range±20 V
Min. Span0.8 V
Programmable Standard Ranges0 to 1, 0.2 to 1, 0 to 2.5, 0 to 5,1 to 5, 0 to 10, 2 to 10, 0 to 20, 4 to 20; ±1, ±2.5, ±5, ±10, ±20 V
Signal Range± 23 V
Load Min> 500 kΩ
Buffered Voltage Output

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