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Field device coupler

Field device coupler for a variety of fieldbus applications
The couplers for operation using the FOUNDATION™ Fieldbus H1 or PROFIBUS PA come in four-, eight- or 12-channel versions for intrinsically safe or non-intrinsically safe fieldbus devices and for installation in Zone 1 or 2. All couplers feature an innovative power management function.

All device couplers use the efficient High Power Trunk concept and are optimised for a variety of applications.
R. STAHL's Ex i field device couplers are available with four or eight channels in two versions: A Zone 1 version, or alternatively, a cost-optimised Zone 2 version. All Ex i couplers are galvanically separated and can be operated with Zone 1 fieldbus devices using the FISCO or Entity concept.
Zone 1 Ex e couplers are suitable for four or eight non-intrinsically safe fieldbus devices. Zone 2 Ex n couplers are available with four, eight or 12 channels for ic and non-intrinsically safe fieldbus devices.
The power management function of all field device couplers keeps the current load on the trunk as low as possible at all times. Start-up currents and short-circuit currents are kept to a minimum.

  • For FOUNDATION™ Fieldbus H1 or PROFIBUS PA
  • Reduced start-up current and minimal short-circuit currents thanks to the integrated power management function
  • Easy to install and maintain thanks to the integrated end-of-line resistor, shield bus and LED indicators

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Certificates SAP
Zone Filter
Min. ambient temperature
Max. ambient temperature
Field enclosure
Application range (zones)
Ex interface zone
Spurs connection type
Width

7 Series (15 Products)

Field Device Coupler 4 Spurs Series 9411/21

  • For connecting 4 intrinsically safe (FISCO/Entity) fieldbus devices in Zone 1
  • Operated using High Power Trunk concept
  • Reduced start-up current thanks to power management and short-circuit limiting with disconnection

Field Device Coupler 8 Spurs Series 9411/21

  • For connecting 8 intrinsically safe (FISCO/Entity) fieldbus devices in Zone 1
  • Operated using High Power Trunk concept
  • Reduced start-up current thanks to power management and short-circuit limiting with disconnection

Field Device Coupler 4 Spurs Series 9411/11

  • For connecting 4 fieldbus devices in Zone 1
  • Operated using High Power Trunk concept
  • Reduced start-up current thanks to power management and short-circuit limiting with disconnection

Field Device Coupler 8 Spurs Series 9411/11

  • For connecting 8 fieldbus devices in Zone 1
  • Operated using High Power Trunk concept
  • Reduced start-up current thanks to power management and short-circuit limiting with disconnection

Field Device Coupler Series 9411/24

  • For connecting 4 (FISCO, Entity) fieldbus devices in Zone 2
  • Operated using High Power Trunk concept
  • Reduced start-up current thanks to power management and short-circuit limiting with disconnection

Field Device Coupler 8 Spurs Series 9411/24

  • For connecting 8 (FISCO, Entity) fieldbus devices in Zone 2
  • Operated using High Power Trunk concept
  • Reduced start-up current thanks to power management and short-circuit limiting with disconnection

Field device coupler series 9410

  • For connection of 4, 8 or 12 fieldbus devices in Zone 2
  • Ex ec or ic spurs
  • Operation on the high-power trunk
  • Reduced start-up current thanks to power management and short-circuit limiting with disconnection

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