Field device couplers

Field device couplers

Robust up to zone 1

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Phoenix Contact field device couplers provide you with the option of extending your fieldbus in the field to suit your needs. We offer a portfolio containing special couplers for Profibus PA and FOUNDATION Fieldbus. No matter whether you need flexible expansion with modular versions or maximum channel density with devices in a block design, we have the right field device coupler for every scenario.

Your advantages

  • Scalable solutions for every application
  • Save space in the control cabinet, thanks to single-sided connection concept
  • Lightweight, perfect for offshore applications
  • All field device couplers have a termination resistor that can be connected

Modular field device coupler for Zone 2

Field device coupler in the control cabinet  

Field device coupler in the control cabinet

The modular field device couplers for FOUNDATION Fieldbus consist of three main devices. The trunk line module, coupling modules and, when required, a diagnostics module. The trunk line module forms a new fieldbus station.

The fieldbus device couplers in versions with one or two outputs are short-circuit-proof, thereby protecting your network. The supply voltage for the modular system is sub-distributed via a DIN rail connector which is simply snapped onto the DIN rail.

The field diagnostics module is available in two versions. One version works with the modular DIN rail connector and therefore eliminates the need for complex cabling. The other is fitted with connection terminal blocks that can be used to connect field device couplers from other manufacturers.

For Zone 2 installations, with connection of Zone 0, 1 and 2 instruments in the same housing, the FB-MODULAR partition plate is available for implementing intrinsically safe wiring clearances.

Integration in the control level is carried out via standard H1 communication and device management using DD (Device Description), EDDL (Electronic Device Description Language), and DTM (Device Type Manager).

Field device coupler for Zone 2 with 6, 8 and 12 channels

Field device coupler  

Field device coupler

The multi-channel field device couplers for PROFIBUS PA and FOUNDATION Fieldbus are designed for ambient temperatures of -50 °C to +90 °C.

They are highly compact and connection takes place on one side from below in order to save even more space. This means you can use your space as effectively as possible and achieve maximum channel density in your distributor box.

The field device couplers have been registered by the Fieldbus Foundation.

Field device coupler for Zone 1 with 8 or 12 channels

Fieldbus barrier  

Fieldbus barrier

The multi-channel field device couplers for PROFIBUS PA and FOUNDATION Fieldbus are also called "fieldbus barriers" due to their Ex zone 1 approval.

They have been tested for ambient temperatures of -40 °C to +80 °C and are thus suitable for any process application. They are lightweight, robust, easy to install and save space. Connection takes place on one side from below in order to save even more space.

Intelligent circuits minimize contact bounce for high signal quality.

The field device couplers have been registered by the Fieldbus Foundation.

Fieldbus distributor boxes with system approval and pre-installed fieldbus couplers

Fieldbus distributor box  

Fieldbus distributor box

We provide you with a range of fieldbus distributor boxes specially for the use of field device couplers. Thanks to ATEX, IECEx, and UL Class I, Division 2 approvals, they can be used with confidence around the world.

The pre-mounted boxes come in two versions, with and without surge protection for the trunk line. They connect the trunk line to the field devices.

  • Ready-to-use distributor boxes made from brushed 316L stainless steel
  • Available with 10 or 16 ports
  • Quick and easy mounting with multi-channel Zone 2 field device couplers
  • Little space required and low weight

PHOENIX CONTACT (Israel) Ltd.

P.O.B. 1799 Industrial Park Hasharon
Quadima 60920
+972-9-8915700