PR Electronics 3103 Isolated Repeater

Features

  • Isolation and 1:1 conversion of standard current signals
  • Slimline housing of 6 mm
  • Response time < 7 ms
  • Low cost
  • Simple – no setup needed
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PR Electronics 3103 Isolated Repeater is an advanced solution designed for the isolation and 1:1 conversion of standard current signals. This device ensures galvanic separation of analog current signals, effectively eliminating ground loops and enabling the measurement of floating signals. It offers a cost-effective and technologically superior option for the galvanic isolation of current signals in SCADA systems or PLC equipment.

Applications

  • Signal Isolation and Conversion: Provides isolation and 1:1 conversion for standard current signals, ensuring accurate signal transmission without interference.
  • Ground Loop Elimination: Eliminates ground loops, allowing for precise and stable signal measurements.
  • Floating Signal Measurement: Facilitates the measurement of floating signals, enhancing system reliability.
  • Industrial Compatibility: Ideal for installation in ATEX Ex Zone 2, IECEx Zone 2, and FM Division 2, making it suitable for hazardous environments.
  • High Vibration Resistance: Designed to withstand high vibration stress, making it perfect for use in demanding environments such as ships.

Technical Characteristics

  • Overvoltage and Polarity Protection: The input is safeguarded against overvoltage and polarity errors, ensuring long-term reliability.
  • Factory-Calibrated Ranges: Comes with factory-calibrated measurement ranges for quick and easy setup.
  • Floating Inputs and Outputs: Both inputs and outputs are floating and galvanically separated, providing robust isolation and signal integrity.

PR Electronics 3103 Isolated Repeater is a competitive choice for industries requiring dependable and accurate signal isolation, particularly in environments with stringent safety and performance requirements.

Specification

ENVIRONMENTAL CONDITIONS
Operating temperature -25°C to +70°C
Storage temperature -40°C to +85°C
Calibration temperature 20…28°C
Relative humidity < 95% RH (non-cond.)
Protection degree IP20
Installation in Pollution degree 2 & meas. / overvoltage cat. II
MECHANICAL SPECIFICATIONS
Dimensions (HxWxD) 113 x 6.1 x 115 mm
Weight approx. 70 g
DIN rail type DIN EN 60715/35 mm
Wire size 0.13…2.5 mm2 / AWG 26…12 stranded wire
Screw terminal torque 0.5 Nm
Vibration IEC 60068-2-6
2…25 Hz ±1.6 mm
25…100 Hz ±4 g
COMMON SPECIFICATIONS
Supply
Supply voltage 16.8…31.2 VDC
Max. required power 0.65 W
Max. power dissipation 0.60 W
Isolation voltage
Isolation voltage, test / working 2.5 kVAC / 300 VAC (reinforced)
Zone 2 / Div. 2 250 VAC
Response time
Response time (0…90%, 100…10%) < 7 ms
Signal / noise ratio > 60 dB
Cut-off frequency (3 dB) > 100 Hz
Signal dynamics, input Analog signal chain
Signal dynamics, output Analog signal chain
Accuracy Better than 0.05%
Temperature coefficient < ±0.01% of span / °C
EMC immunity influence < ±0.5% of span
Extended EMC immunity: NAMUR NE21, A criterion, burst < ±1% of span
INPUT SPECIFICATIONS
Current input
Measurement range 0…23 mA
Input voltage drop < 1.5 VDC
OUTPUT SPECIFICATIONS
Current output
Signal range 0…23 mA
Load (@ current output) ≤ 600 Ω
Load stability ≤ 0.002% of span / 100 Ω
Current limit ≤ 28 mA
of span = 0…20 mA
I.S. / EX MARKING
ATEX II 3 G Ex nA IIC T4 Gc
IECEx Ex nA IIC T4 Gc
FM, US Cl. I, Div. 2, Gp. A, B, C, D T4 or Cl. I, Zone 2, AEx nA IIC T4
FM, CA Cl. I, Div. 2, Gp. A, B, C, D T4 or Cl. I, Zone 2, Ex nA IIC T4
EAC Ex 2Ex nA IIC T4 Gc X
OBSERVED AUTHORITY REQUIREMENTS
EMC 2014/30/EU
LVD 2014/35/EU
RoHS 2011/65/EU
EAC TR-CU 020/2011
EAC Ex TR-CU 012/2011
APPROVALS
ATEX KEMA 10ATEX0147 X
IECEx KEM 10.0068X
c FM us FM17US0004X / FM17CA0003X
c UL us, UL 61010-1 E314307
DNV-GL Marine TAA00001RW
EAC Ex RU C-DK.HA65.B.00355/19

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