Pulse Isolator – PR Electronics 5202B

Features

  • 2 channels – 2 or 4 outputs
  • Dual output
  • 5-port 3.75 kVAC galvanic isolation
  • Cable error detection
  • Universal supply by AC or DC
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Application

  • Pulse isolator with safety barrier for the supply of NAMUR sensors installed in the hazardous area.
  • Pulse isolator with safety barrier for the detection of mechanical contacts installed in the hazardous area.
  • One input signal can be used on two separate outputs.
  • A cable error alarm can be detected on a separate output.

Technical characteristics

  • PR5202B1 and 5202B2 have relays with change-over contacts or open NPN collectors available in the safe area.
  • PR5202B4 has 4 SPST relays, which are activated simultaneously two and two, available in the safe area. Each relay can be programmed to the function N.O. or N.C.
  • Inputs, outputs and supply are floating and galvanically separated.
  • 5202B is designed according to strict safety requirements and is therefore suitable for application in SIL 2 installations.

Mounting / installation

  • Mounted vertically or horizontally on a DIN rail. 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. 230 g
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 ≤ 1.5 W (2 channels), 5202B1 and 5202B2 ≤ 2.0 W (2 channels), 5202B4
Internal power dissipation ≤ 1.5 W (2 channels), 5202B1 and 5202B2 ≤ 2.0 W (2 channels), 5202B4
Isolation voltage
Isolation voltage, test / working 3.75 kVAC / 250 VAC
PELV/SELV IEC 61140
Auxiliary supplies
NAMUR supply 8 VDC / 8 mA
EMC immunity influence < ±0.5%
Extended EMC immunity: NAMUR NE21, A criterion, burst < ±1%
INPUT SPECIFICATIONS
Sensor types NAMUR according to EN 60947-5-6 / mechanical contact
Frequency range 0…5 kHz
Pulse length > 0.1 ms
Input resistance 1 kΩ
Trig level, signal < 1.2 mA, > 2.1 mA
Trig level, cable fault < 0.1 mA, > 6.5 mA
OUTPUT SPECIFICATIONS
Relay output
Max. switching frequency 20 Hz
Max. voltage 250 VRMS
Max. current 2 AAC
Max. AC power 100 VA
Max. load at 24 VDC 1:00 AM
NPN outputs
Max. switching frequency 5 kHz
Min. pulse length > 0.1 ms
Max. load, current / voltage 80 mA / 30 VDC
Voltage drop at 25 mA / 80 mA < 0.75 VDC / < 2.5 VDC
OBSERVED AUTHORITY REQUIREMENTS
EMC 2014/30/EU
LVD 2014/35/EU
EAC TR-CU 020/2011
APPROVALS
ATEX DEMKO 99ATEX127186, II (1) GD [EEx ia] IIC
UL UL 913, UL 508
EAC Ex RU C-DK.HA65.B.00355/19
SIL Hardware assessed for use in SIL applications

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