9202
 

Pulse isolator

 

9202B

 

  • 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 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.

Approvals & Certificates

ATEX certificate
IECEx certificate
CCC certificate
FM certificate
INMETRO certificate
SIL certificate
UL certificate
DNV marine certificate
ClassNK certificate
EAC declaration
EAC Ex certificate
Metrology Pattern Approval (MPA), Russia

Supplementary documentation

EU Declaration of Conformity
Modbus configuration manual
Assessment report
FMEDA report
ISO 13849 declaration
SIL declaration
EMC data

Safety note

Safety note

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 & meas. / overvoltage cat. II

Mechanical specifications

Dimensions (HxWxD) 109 x 23.5 x 104 mm
Dimensions (HxWxD) w/ 4501/451x 109 x 23.5 x 116 / 131 mm
Weight approx. 170 g
Weight incl. 4501 / 451x (approx.) 185 g / 200 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 ≤ 1.1 W...≤ 1.3 W / ≤ 1.5 W...≤ 1.9 W (1 / 2 ch.)
Max. power dissipation, 1 / 2 ch. ≤ 1.2 W / ≤ 1.6...1.8 W

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 PR 4500 communication interfaces
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 125 VAC / 110 VDC
Max. current 0.5 AAC / 0.3 ADC
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
ATEX 2014/34/EU
RoHS 2011/65/EU
EAC TR-CU 020/2011
EAC Ex TR-CU 012/2011

Approvals

ATEX KEMA 07ATEX0146 X
IECEx KEM 06.0039X
c FM us FM19US0055X / FM19CA0028X
INMETRO DEKRA 16.0005 X
c UL us, UL 61010-1 E314307
CCC 2020322309003424
c UL us, UL 913 E233311 (only 9202xxx-U9)
EAC Ex RU C-DK.HA65.B.00355/19
DNV Marine TAA00000JD
ClassNK TA18527M
SIL SIL 2 certified & fully assessed acc. to IEC 61508
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