Repeater / Power Supply – PR Electronics 5104A

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
Enquiry
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Application

  • Power supply and signal isolator for 2-wire transmitters.
  • Signal isolator for analog current / voltage signals.
  • 1 : 1 or signal conversion of analog current / voltage signals.

Technical characteristics

  • The 20 factory-calibrated measurement ranges in the 5104A can be selected by the internal DIP-switches without the need for recalibration. Special measurement ranges can be delivered.
  • PR5104A is based on microprocessor technology for gain and offset. The analog signal is transmitted at a response time of less than 25 ms.
  • Inputs, outputs, and supply are floating and galvanically separated.
  • The output can be connected either as an active current / voltage transmitter or as a 2-wire transmitter.

Mounting / installation

  • Mounted vertically or horizontally on a DIN rail. By way of the 2-channel version up to 84 channels per meter can be mounted.

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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