PR Electronics 5104A Repeater / Power Supply

Features

  • 1- or 2-channel version
  • 3- / 5-port 3.75 kVAC galvanic isolation
  • Loop supply > 17.1 V
  • 20 programmable measurement ranges
  • Universal supply by AC or DC
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PR Electronics 5104A Repeater / Power Supply is a versatile device designed to provide power and signal isolation for 2-wire transmitters, as well as to isolate and convert analog current/voltage signals. It offers flexibility with multiple factory-calibrated measurement ranges that can be selected via internal DIP switches without the need for recalibration.

Applications

  • Power Supply and Signal Isolation: Provides power supply and signal isolation for 2-wire transmitters, ensuring reliable operation.
  • Signal Isolation: Isolates analog current/voltage signals to prevent interference and ensure signal integrity.
  • Signal Conversion: Allows for 1:1 or signal conversion of analog current/voltage signals, enhancing compatibility with various systems.

Technical Characteristics

  • Factory-Calibrated Ranges: The 20 factory-calibrated measurement ranges can be selected via internal DIP switches without requiring recalibration. Special measurement ranges are available upon request.
  • Microprocessor Technology: Utilizes microprocessor technology for gain and offset adjustments, ensuring precise signal transmission.
  • Fast Response Time: Transmits analog signals with a response time of less than 25 ms, ensuring timely data processing.
  • Galvanic Isolation: Inputs, outputs, and supply are floating and galvanically separated, providing robust isolation and preventing signal interference.
  • Flexible Output Connection: The output can be configured either as an active current/voltage transmitter or as a 2-wire transmitter, offering versatile connectivity options.

Mounting / Installation

  • DIN Rail Mounting: This can be mounted vertically or horizontally on a DIN rail, providing installation flexibility.
  • High-Density Mounting: The 2-channel version allows for mounting up to 84 channels per meter, optimizing space utilization in control panels.

The PR Electronics 5104A Repeater / Power Supply is a reliable and efficient solution for industries requiring robust signal isolation, power supply for 2-wire transmitters, and flexible signal conversion options, particularly in environments with stringent 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 130 mm
Weight approx. 225 g
DIN rail type DIN 46277
Wire size 1 x 2.5 mm2 stranded wire
Screw terminal torque 0.5 Nm
COMMON SPECIFICATIONS
Supply
Supply voltage, universal 21.6…253 VAC, 50…60 Hz or 19.2…300 VDC
Fuse 400 mA SB / 250 VAC
Max. required power ≤ 3 W (2 channels)
Internal power dissipation ≤ 2 W (2 channels)
Isolation voltage
Isolation voltage, test / working 3.75 kVAC / 250 VAC
PELV/SELV IEC 61140
Response time
Response time (0…90%, 100…10%) < 25 ms
Auxiliary supplies
2-wire supply (pin 44…42 and 54…52) 28…17.1 VDC / 0…20 mA
Signal / noise ratio Min. 60 dB (0…100 kHz)
EMC immunity influence < ±0.5% of span
Extended EMC immunity: NAMUR NE21, A criterion, burst < ±1% of span
INPUT SPECIFICATIONS
Common input specifications
Max. offset 20% of max. value
Current input
Measurement range 0…20 mA
Min. measurement range (span) 16 mA
Input resistance Nom. 10 Ω + PTC 10 Ω
Voltage input
Measurement range 0…10 VDC
Min. measurement range (span) 8 VDC
Input resistance > 2 MΩ
OUTPUT SPECIFICATIONS
Current output
Signal range 0…20 mA
Min. signal range 16 mA
Load (@ current output) ≤ 600 Ω
Load stability ≤ 0.01% of span / 100 Ω
Current limit ≤ 28 mA
Passive 2-wire mA output
Max. external 2-wire supply 29 VDC
Effect of external 2-wire supply voltage variation < 0.005% of span / V
Voltage output
Signal range 0…1 VDC / 0…10 VDC
Min. signal range 0.8 VDC / 8 VDC
Load (@ voltage output) ≥ 500 kΩ
of span = of the presently selected 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

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