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9202
 
 

9202B

 

Pulse isolator

 

  • Interface for NAMUR sensors and switches
  • Extended self-diagnostics and detection of cable fault
  • 1 or 2 channels
  • Can be supplied separately or installed on power rail, PR type 9400
  • SIL 2-certified via Full Assessment
  1. Overview +

  2. Technical details +

  3. Accessories +


Advanced features

  • Configuration and monitoring by way of detachable display front (PR 4501).
  • Selection of direct or inverted function for each channel via PR 4501.
  • 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.

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.

Environmental Conditions

  • Operating temperature

    -20°C to +60°C

  • Storage temperature

    -20°C to +85°C

  • Calibration temperature

    20...28°C

  • Relative humidity

    < 95% RH (non-cond.)

  • Protection degree

    IP20

  • Installation in

    Pollution degree 2 & measurement / overvoltage cat. II

Mechanical specifications

  • Dimensions (HxWxD)

    109 x 23.5 x 104 mm

  • Dimensions (HxWxD) w/ 4501 / 4511

    109 x 23.5 x 116 / 131 mm

  • Weight approx.

    170 g

  • Weight incl. 4501 / 4511 (approx.)

    185 g / 270 g

  • DIN rail type

    DIN EN 60715/35 mm

  • Wire size

    0.13...2.08 mm2 AWG 26...14 stranded wire

  • Screw terminal torque

    0.5 Nm

  • Vibration

    IEC 60068-2-6

  • 2...13.2 Hz

    ±1 mm

  • 13.2...100 Hz

    ±0.7 g

Common specifications

  • Supply

  • Supply voltage

    19.2...31.2 VDC

  • Fuse

    400 mA SB / 250 VAC

  • Max. required power

    ≤ 3 W (2 channels)

  • Isolation voltage

  • Test /working: Input to any

    2.6 kVAC / 300 VAC reinforced isolation

  • Analog output to supply

    2.6 kVAC / 300 VAC reinforced isolation

  • Output 1 to output 2

    1.5 kVAC / 150 VAC reinforced isolation

  • Status relay to supply

    1.5 kVAC / 150 VAC reinforced isolation

  • Auxiliary supplies

  • NAMUR supply

    8 VDC / 8 mA

  • Programming

    Communication enabler 4511 / Programming front 4501

  • Response time for cable fault

    < 200 ms

Input specifications

  • Sensor types

    NAMUR according to EN 60947-5-6 / mechanical contact

  • Frequency range

    0...5 kHz

  • Min. pulse length

    > 0.1 ms

  • Input resistance

    Nom. 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 VAC / 30 VDC

  • Max. current

    2 AAC / 2 ADC

  • Max. AC power

    500 VA / 60 W

  • Status relay

  • Max. voltage

    110 VDC / 125 VAC

  • Max. current

    0.3 ADC / 0.5 AAC

  • Max. AC power

    62.5 VA / 32 W

  • NPN outputs

  • Max. switching frequency

    5 kHz

  • Min. pulse length

    > 0.1 ms

  • Max. load, current / voltage

    80 mA / 30 VDC

  • Voltage drop at 80 mA

    < 2.5 VDC

Observed authority requirements

  • EMC

    2014/30/EU

  • LVD

    2014/35/EU

  • EAC

    TR-CU 020/2011

Approvals

  • ATEX 2014/34/EU

    KEMA 07ATEX0146 X

  • IECEx

    KEM 06.0039X

  • FM

    3034430-C

  • INMETRO

    NCC 12.1307 X

  • UL

    UL 61010-1

  • EAC Ex TR-CU 012/2011

    RU C-DK.GB08.V.00410

  • CCOE

    P337349/5

  • DNV-GL Marine

    Stand. f. Certific. No. 2.4

  • SIL

    SIL 2 certified & fully assessed acc. to IEC 61508

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