PR Electronics 3104 Isolated Converter

Features

  • Isolation and conversion of standard DC signals
  • Slimline housing of 6 mm
  • Power supply and signal isolator for 2-wire transmitter
  • Loop supply >17 V
  • DIP-switch configured
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PR Electronics 3104 Isolated Converter is a high-performance device designed for the isolation and conversion of standard DC signals. It ensures galvanic separation of analog current and voltage signals, effectively eliminating ground loops and enabling the measurement of floating signals. This converter is a competitive choice for SCADA systems or PLC equipment, offering both affordability and advanced technology.

Applications

  • Signal Isolation and Conversion: Provides isolation and conversion for standard DC signals, ensuring accurate and interference-free signal transmission.
  • 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, it it perfect for use in demanding environments such as ships.

Technical Characteristics

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

PR Electronics 3104 Isolated Converter is a reliable and efficient solution for industries requiring accurate signal isolation and conversion, 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 1.20 W
Max. power dissipation 0.55 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
Programming DIP-switches
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% of selected range
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
Programmable measurement ranges 0…20 and 4…20 mA
Input voltage drop < 1.5 VDC
Voltage input
Measurement range 0…10.25 V 0…11.5 V / 0…5.75 V
Programmable measurement ranges 0/1…5 and 0/2…10 V
Input resistance ≥ 500 kΩ
2-wire transmitter supply > 17 V / 20 mA
OUTPUT SPECIFICATIONS
Current output
Signal range 0…23 mA
Programmable signal ranges 0 / 4…20 mA
Load (@ current output) ≤ 600 Ω
Load stability ≤ 0.002% of span / 100 Ω
Current limit ≤ 28 mA
Voltage output
Signal range 0…10 VDC
Programmable signal ranges 0/1…5 and 0/2…10 V
Load (@ voltage output) ≥ 10 kΩ
of span = of the DIP-switch selected output range
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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