Description
Advanced features – 9202B Pulse Isolator
- 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 Pulse Isolator 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 Pulse Isolator 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.
Environmental Conditions – 9202B Pulse Isolator
| 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/ PR 4500 | 109 x 23.5 x 131 mm |
| Weight approx. | 170 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 output | |
| Max. switching frequency | 5 kHz |
| Min. pulse length | > 0.1 ms |
| Max. load, current / voltage | 80 mA / 30 VDC |
| Max. voltage drop at 80 mA | 2.5 VDC |
Observed authority requirements
| LVD | 2014/35/EU & UK SI 2016/1101 |
| EMC | 2014/30/EU & UK SI 2016/1091 |
| ATEX | 2014/34/EU & UK SI 2016/1107 |
| RoHS | 2011/65/EU & UK SI 2012/3032 |
| EAC | TR-CU 020/2011 |
| EAC Ex | TR-CU 012/2011 |
| EAC LVD | TR-CU 004/2011 |
Approvals – 9202B Pulse Isolator
| ATEX | KEMA 07ATEX0146 X |
| IECEx | KEM 06.0039X |
| UKEX | DEKRA 21UKEX0179X DEKRA 23UKEX0105X |
| c FM us | FM19US0055X / FM19CA0028X |
| INMETRO | DEKRA 23.0007X |
| c UL us, UL 61010-1 | E314307 |
| c UL us, UL 913 | E233311 (only 9202xxx-U9) |
| CCC | 2020322309003424 |
| KCs | 21_AV4BO_0179X / 21_AV4BO_0180X (only 9202Bxx-KCs) |
| EAC Ex | EAEU KZ 7500361.01.01.08756 |
| DNV Marine | TAA00000JD |
| ClassNK | TA24034M |
| SIL | SIL 2 certified & fully assessed acc. to IEC 61508 |
Reliable Pulse Signal Isolation for Hazardous Areas
The PR Electronics 9202B Pulse Isolator is a high-performance, intrinsically safe device designed to ensure accurate pulse signal transmission in hazardous environments. Engineered for superior galvanic isolation and signal integrity, the 9202B is essential for process automation and safety-critical applications.
Key Features:
- Intrinsically Safe (Ex) Certified – Ensures safe operation in explosive atmospheres, meeting international safety standards.
- Precise Pulse Signal Isolation – Provides accurate transmission of digital pulse signals while preventing interference.
- Advanced Galvanic Isolation – 2.6 kVAC isolation between input, output, and power supply, protecting against electrical noise and ground loops.
- Flexible Signal Compatibility – Supports NAMUR, mechanical contacts, and NPN/PNP transistor sensors.
- Configurable Output Modes – Enables seamless integration into a wide range of industrial control systems.
- Compact and DIN-Rail Mountable – Space-saving design for easy installation in industrial environments.
Applications:
The PR Electronics 9202B Pulse Isolator is ideal for industries requiring safe and reliable pulse signal transmission, including:
- Oil & Gas
- Chemical and Pharmaceutical Manufacturing
- Industrial Automation in Hazardous Zones
- Power Plants and Utilities
- Process Control and Safety Systems
Why Choose the PR Electronics 9202B?
The 9202B Pulse Isolator offers best-in-class intrinsic safety, galvanic isolation, and signal accuracy, making it the preferred choice for hazardous industrial applications. Its robust design and flexible configuration options ensure seamless operation in demanding environments.
Optimize Your Pulse Signal Transmission Today
Enhance the safety and efficiency of your industrial processes with the PR Electronics 9202B Pulse Isolator. Contact us today for detailed specifications, pricing, and expert support.
