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Universal Programmable Signal Transmitter. DIN Rail compatible.

DRST-UN

Universal Transmitter with programmable display, multi-input compatible
 | DRST-UN
Nuevo!

USD$185.00 DRST-UN

1 año de garantía CE RoHS
  • Input for RTD, TC, Ω, potentiometer, mA and V
  • 2-wire supply > 16 V
  • UL and cUL Approval
  • Output for current and voltage
  • Universal AC or DC supply

Descripción

Advanced Features
Programmable by way of detachable display front, process calibration, signal simulation, password protection, error diagnostics and help text available in several languages.
Application
• Linearized, electronic temperature measurement with RTD or TC sensor.
• Conversion of linear resistance variation to a standard analog current / voltage signal, i.e. from solenoids and butterfly valves or linear movements with attached potentiometer.
• Power supply and signal isolator for 2-wire transmitters.
• Process control with standard analog output. Galvanic separation of analog signals and measurement of floating signals.
• The DRST-UN is designed according to strict safety requirements and is therefore suitable for application in SIL 2 installations.
Technical Characteristics
• When DRST-UN is used with the DRSL-DISPLAY programming front, all operational parameters can be modified to suit any application. As the DRST-UN is designed with electronic hardware switches, it is not necessary to open the device for setting of DIP-switches.
• A green / red front LED indicates normal operation and malfunction.
• Continuous check of vital stored data for safety reasons.
• 3-port 2.3 kVAC galvanic isolation.

Specifications
Environmental Conditions
Operating Temperature: -20 to 60°C
Storage Temperature: -20 to 85°C
Calibration Temperature: 20 to 28°C
Relative Humidity: < 95% RH (non-cond.)
Protection Degree:v IP20
Mechanical Specifications
Dimensions (H x W x D): 109 x 23.5 x 104 mm
Weight Approx: 145 g
Wire Size: 1 x 2.5 mm 2 stranded wire
Screw Terminal Torque: 0.5 Nm
Vibration: IEC 60068-2-6
2 to 13.2 Hz: ±1 mm
13.2 to 100 Hz:±0.7 g
Common Specifications
Supply
Supply Voltage, Universal:21.6 to 253 Vac, 50 to 60 Hz or 19.2 to 300 Vdc
Fuse: 400 mA SB/250 Vac
Max. Required Power: = 2.0 W
Isolation Voltage Isolation voltage, test/working:2.3 k Vac / 250 Vac
Response Time
Temperature input (0 to 90%, 100 to 10%): = 1 s
mA / V input (0...90%, 100...10%): = 400 ms
Auxiliary Supplies
2-w. supply (term. 44 to 43): 5 to 16 Vdc/0 to 20 mA
Programming: Communication enabler DRSL-DISPLAY
Signal/Noise Ratio: Min. 60 dB (0 to 100 kHz)
Accuracy: Better than 0.1% of sel. range
EMC Immunity Influence: < ±0.5% of span
Extended EMC Immunity: NAMUR
NE21, A Criterion, Burst: < ±1% of span
Input Specifications
RTD Input
RTD Type:
     Pt10/20/50/100/200/250;
     Pt300/400/500/1000;
     Ni50/100/120/1000;
     Cu10/20/50/100
Cable Resistance Per Wire: 50 Ω (max.)
Sensor Current: Nom. 0.2 mA
Effect of Sensor Cable Resistance (3/4-wire): < 0.002 Ω/Ω
Sensor Error Detection: Yes
Short Circuit Detection < 15 Ω
Linear Resistance Input
Linear Resistance Min/Max: 0 to 10000 Ω
Potentiometer Input
Potentiometer Min/Max: 10 to 100 kΩ
TC Input
Thermocouple Type: B, E, J, K, L, N, R, S, T, U, W3, W5, LR
Cold Junction Compensation (CJC) via ext. Sensor in Connector 5910: 20 to 28°C = ±1°C, -20 to 20°C/28 to 70°C = 2°C
CJC via int. Mounted Sensor: ±(2.0°C + 0.4°C * ∆t)
∆t =: Internal temp.-ambient temp.
Sensor Error Detection: Yes
Sensor Error Current: When detecting/else: Nom. 2 µA / 0 µA
Current Input
Measurement Range: 0 to 20 mA
Programmable Measurement Ranges: 0 to 20 and 4 to 20 mA
Input Resistance: Nom. 20 Ω + PTC 50 Ω Sensor Error Detection: Loop
Break 4 to 20 mA: Yes
Voltage Input
Measurement Range: 0 to 12 Vdc
Programmable Measurement Ranges: 0/0.2 to 1, 0/1 to 5, 0/2 to 10 Vdc
Input Resistance: Nom. 10 MΩ
Output Specifications
Current Output
Signal Range: 0 to 20 mA
Programmable Signal Ranges: 0 to 20/4 to 20/20 to 0/20 to 4 mA
Load (@ current output): = 800 Ω
Load stability: = 0.01% of span / 100 Ω
Sensor Error Indication: 0/3.5/23 mA/none
NAMUR NE43 Upscale/Downscale: 23 mA/3.5 mA
Output Limitation, on 4 to 20 and 20 to 4 mA signals: 3.8 to 20.5 mA
Output Limitation, on 0 to 20 and 20 to 0 mA signals: 0 to 20.5 mA
Current Limit: = 28 mA
Voltage Output
Signal Range: 0 to 10 Vdc
Programmable Signal Ranges: 0/0.2 to 1; 0/1 to 5 ; 0/2 to 10; 1 to 0.2/0; 5 to 1/0; 10 to 2/0 V
Load (@ Voltage Output): = 500 kΩ
Of span: = of the currently selected measurement range
Observed Authority Requirements
EMC: 2014/30/EU
LVD: 2014/35/EU
EAC: TR-CU 020/2011
Approvals
UL UL 508 / C22.2 no. 14
DNV-GL Marine Stand. f. Certific. No. 2.4 EU RO Mutual Recognition Type
Approval:MRA000000Z
SIL: Hardware assessed for use in SIL applications
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