Pulse isolator

Model : PR 9202B
  • Interface for NAMUR sensors and switches
  • Extended self-diagnostics and detection of cable fault
  • 1 or 2 channels Versions
  • Can be installed on power rail (PR type 9400) or supplied separately
  • 2.6kVAC galvanic isolation
  • SIL 2-certified via Full Assessment

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Datasheet
Specifications
Brand

PR Electronics

Certification

ATEX, CCC, DNV, EAC Ex, EU-RO marine, FM, IECEx, INMETRO, SIL2 Full Assessment IEC 61508, UL

Dimension

109×23.5×104 mm

Function

Isolated Barrier, Signal Converter

Input Type

Contact, NAMUR, NPN, PNP, Pulse

Isolation Voltage

2.6 kVAC

Number of Inputs

1, 2

Number of Outputs

1, 2

Output Type

NPN, Relay

Power Supply

20…30 VDC

Programming

4500 series devices

Other product features
Channels

1ch, 2ch

Outputs

N.C Relay, N.O Relay, Optocoupler

Advanced features

  • Configuration and monitoring by way of detachable display front (PR 4500).
  • Selection of direct or inverted function for each channel via PR 4500.
  • Advanced monitoring of internal communication and stored data.
  • Optional redundant supply via power rail and/ or separate supply.
  • SIL 2 functionality is optional and must be activated in a menu point.

Application

  • 9202B can be mounted in the safe area or in zone 2 / Cl. 1 div. 2 and receive signals from zone 0, 1, 2 and zone 20, 21, 22 including mining / Class I/II/III, Div. 1, Gr. A-G.
  • Pulse isolator for transmission of signals to the safe area from NAMUR sensors and mechanical switches installed in the hazardous area.
  • Monitoring of error events and cable breakage via the individual status relay and/or a collective electronic signal via the power rail.
  • The 9202B has been designed, developed and certified for use in SIL 2 applications according to the requirements of IEC 61508.
  • Suitable for the use in systems up to Performance Level “d” according to ISO-13849.

Technical characteristics

  • 1 green and 2 yellow/red front LEDs indicate operation status and malfunction.
  • 2.6 kVAC galvanic isolation between input, output and supply.

Mounting

  • The devices can be mounted vertically or horizontally without distance between neighbouring units.
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