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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
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 & meas. / 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 / 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 | ≤ 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 | PR 45xx |
| 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 | DEKRA 16.0005 X |
| UL | UL 61010-1 |
| EAC Ex TR-CU 012/2011 | RU C-DK.GB08.V.00410 |
| DNV-GL Marine | Stand. f. Certific. No. 2.4 |
| ClassNK | TA18527M |
| SIL | SIL 2 certified & fully assessed acc. to IEC 61508 |
3400T
Electromechanical counter
3405
Power connector unit
4501
Display / programming front
4511
Communication enabler
8341
Inductive proximity sensor
8342
Inductive proximity sensor
8510
8 unit 4511 Modbus cable
8511
4511 Y-splitter Modbus cable
8513
RJ45 Modbus termination
8514
3 X RJ45 female Y-splitter
8515
RJ45 female to female cable adapter
8516
RJ45 female to female shielded cable adabter
8517
3 x RJ45 female shielded Y-splitter
9400_1
Power rail 15 mm profile
9400_2
Power rail 7.5 mm profile
9402
Extra end covers for power rail
9404
Module stop
9410
Power control unit
