PR Electronics 6185 Loop-Powered Isolator

Features

  • 1-, 2- and 4-channel galvanic isolation
  • Slimline channel width of less than 6 mm
  • No separate supply necessary
  • Low response time
  • High noise suppression
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PR Electronics 6185 Loop-Powered Isolator is designed for the galvanic separation of analog current signals, providing a reliable solution for eliminating ground loops and measuring floating signals. It offers an economical and technologically advanced option for signal isolation in SCADA systems or PLC equipment, especially in applications requiring unproblematic transmission of current signals according to NAMUR standards.

Applications

  • Galvanic Separation: Ensures galvanic separation of analog current signals, preventing interference and ensuring signal integrity.
  • Ground Loop Elimination: Eliminates ground loops, allowing for precise and stable signal measurements.
  • Floating Signal Measurement: Suitable for measuring floating signals, enhancing system reliability.
  • Industrial Compatibility: An ideal choice for SCADA systems or PLC equipment, providing reliable signal isolation.
  • NAMUR Compliance: Especially useful in applications requiring unproblematic transmission of current signals according to NAMUR standards, ensuring sensor error detection.

Technical Characteristics

  • Loop-Powered: Powered by the measured signal, loading the loop with a maximum of 1.8 VDC.
  • Overvoltage and Polarity Protection: Input is protected against overvoltage and polarity errors, ensuring long-term reliability.
  • Voltage Drop Calculation: The drop voltage for each channel can be calculated using the expression: Vdrop = 1.8 + (Iout * Rload).
  • Voltage-Limited Output: The output is voltage-limited to 15 VDC for added safety.
  • Galvanic Isolation: Inputs and outputs are floating and galvanically separated, providing robust isolation and preventing signal interference.

Mounting / Installation

  • DIN Rail Mounting: Can be mounted vertically or horizontally on a DIN rail, providing flexibility in installation.
  • High Density Mounting: Devices can be mounted without distance between neighboring units, allowing up to 168 channels to be mounted per meter, optimizing space utilization in control panels.

PR Electronics 6185 Loop-Powered Isolator is a reliable and efficient solution for industries requiring precise signal isolation, ground loop elimination, and compliance with NAMUR standards, particularly in environments with stringent safety and performance requirements.

Specification

ENVIRONMENTAL CONDITIONS
Operating temperature -20°C to +60°C
Calibration temperature 20…28°C
Relative humidity < 95% RH (non-cond.)
Protection degree IP20
MECHANICAL SPECIFICATIONS
Dimensions (HxWxD) 109 x 23.5 x 104 mm
Weight approx. 155 / 180 / 230 g (1 / 2 / 4 channels)
DIN rail type DIN 46277
Wire size 1 x 2.5 mm2 stranded wire
Screw terminal torque 0.5 Nm
COMMON SPECIFICATIONS
Supply
Power dissipation, per channel 40 mW
Isolation voltage
Test voltage 2 kVAC
Response time
Response time (0…90%, 100…10%) < 4 ms
Voltage drop < 1.8 VDC, min. 1.8 V + (Iout.*Rload), max.
Signal / noise ratio Min. 60 dB (0…100 kHz)
Accuracy Better than 0.1% of sel. range
EMC immunity influence < ±0.5% of span
INPUT SPECIFICATIONS
Current input
Measurement range 0…23 mA
Input resistance ≈ 90 Ω + Rload (@ 20 mA)
OUTPUT SPECIFICATIONS
Current output
Signal range 0…23 mA
Min. signal range 1:01
Load (@ current output) ≤ 600 Ω
Load stability < 0.03% of span / 100 Ω
Current limit 50 mA
Voltage limit 15 VDC
of span = of the presently selected range
OBSERVED AUTHORITY REQUIREMENTS
EMC 2014/30/EU
EAC TR-CU 020/2011

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