Intrinsically safe barriers
What is an I.S. interface?
An I.S. interface, also commonly referred to as intrinsically safe galvanic isolators or intrinsically safe barriers; are devices used to interface hazardous area process signals with safe area control equipment. Our selection of I.S. interfaces are designed to comply with global standards and directives including ATEX, IECEx, FM and UL.
If you require assistance in selecting the device that is just right for your application, please do not hesitate to contact us.
- 24 VDC supply via power rail or connectors
- Active and passive mA input
- SIL2 / SIL3 Full Assessment
- 24 VDC supply via power rail or connectors
- High active output load 725 Ohm / 20 mA
- SIL2 certified via Full Assessment
- 1 or 2 channels
- Can be supplied separately or installed on power rail, PR type 9400
- SIL 2-certified via Full Assessment
- 1 or 2 channels
- EMPHASIS assessed instrument for nuclear industry
- SIL 2-certified via Full Assessment
- Supply for 2-wire transmitters
- Active / passive mA output and relay output
- SIL 2-certified via Full Assessment
- Supply for 2-wire transmitters
- EMPHASIS assessed instrument for nuclear industry
- SIL 2-certified via Full Assessment
- Interface for NAMUR sensors and switches
- 1 or 2 channels
- SIL 2-certified via Full Assessment
- Universal Ex driver for solenoids, acoustic alarms and LEDs
- 1 or 2 channels
- SIL 2-certified via Full Assessment
- Provides safe, easy wiring between the backplane and non I.S. automation systems
- For 8 system 9000 units
- Direct, Redundant and Duplicate signalling
- Provides safe, easy wiring between the backplane and non I.S. automation systems
- For 16 system 9000 units
- Direct, Redundant and Duplicate signalling
- 1- or 2-channel version
- Loop supply > 17.1 V in hazardous area
- Universal supply by AC
or DC
- 1- or 2-channel version
- Driver for Ex / I.S. area
- Universal supply by AC
or DC
- 1- or 2-channel version
- 2-wire supply > 17 V in
Ex / I.S. area - Universal supply by AC
or DC
- 1- and 2-channel version
- Loop supply > 17.1 V in
Ex / I.S. zone 0 - Universal voltage supply
- Input for RTD, Ohm, TC, mV, mA, and V
- Duplication of the input signal
- Universal supply by AC
or DC
- RTD, TC, mV, Ohm, potmeter, mA, V input
- 2-wire supply > 16.5 V to Ex zone 0
- Universal supply by AC
or DC
- RTD, TC, mV, linear resistance, mA, and V input
- 4...20 mA loop output
- 1- and 2-channel version
- 2 channels - 2 or 4 outputs
- Dual output
- Universal supply by AC
or DC
- 1- or 2-channel version
- Digitally controlled voltage supply for I.S. area
- Universal supply by AC
or DC
- Analog current and voltage output
- PNP / NPN output, optional relays
- Universal supply
- 2 channels
- Output voltage > 18 V to I.S. area
- Universal supply by AC
or DC
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Backplane solutionThe PR9000 series offers unrivalled mounting flexibility. The same device is not only capable of standard DIN rail and Power Rail mounting, but also of being installed in our dedicated backplane solution. For larger installations, the PR backplane greatly simplifies installation and wiring while integrating seamlessly with standard DCS systems.
See backplane selection guide and intro videos
In short - the backplane is a user-friendly and reliable mounting solution between the DCS / PLC / SIS system and isolators / I.S. interfaces |
Functional SafetyThe PR9000 series is fully SIL certified to IEC61508. This allows for easy integration into safety instrumented systems.
Download brochure Get an overview of PR's I.S. range and solutions - download the brochure "Easy to install intrinsically safe solutions with full SIL assessment". |
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The PR 9000 series offers you the widest range of multifunctional intrinsic safety interfaces / barriers with the fewest variants. Each product is easy to use and service and, of course, fully SIL compliant. This makes them ideal in more critical industries such as chemical, oil and gas, pharmaceutical and energy. They are intuitive, easy to configure using the detachable communication interfaces.
What to consider: 7 tips and advice for signal conditioning devices in hazardous areas
I.S. specialists are ready to guide you
Need sparring or guidance about signal conditioning in I.S. areas? Don't hesitate to contact us.
