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Barrera de Seguridad Intrinseca PA (1.2W) DF47-12

The Intrinsically Safe technology incorporated in the DF47-12 totally isolates the control network on the hazardous side of the barrier. The I.S. values of the power supply are designed for Fieldbus devices, witches are in accordance with the FISCO model.
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BARRERA DE SEGURIDAD INTRINCECA FOUNDATION FIELDBUS Y PROFIBUS PA (1.2W) DF47-12

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APLICACION MODELO TECNOLOGIA MARCA
Control DF47-12 Foundation/ Profibus Smar
FUNCION (Barrera de Seguridad Intrinceca) CODIGO SECCION
Barrera de Seguridad Intrinseca Foundation Fieldbus y Profibus PA (1.2W) DF47-12 03-6009 03

Intrinsic Safety Barrier for Foundation Fieldbus & Profibus PA (1.2W)

The Intrinsically Safe technology incorporated in the DF47-12 totally isolates the control network on the hazardous side of the barrier. The I.S. values of the power supply are designed for Fieldbus devices, witches are in accordance with the FISCO model.

The incorporation of a Fieldbus repeater in accordance with IEC 1158-2, 31.25 kbits/s essentially clean and boost the incoming communication signal transmitting it to hazardous environment. The networks of the hazardous and safe sides of the DF 47-12 are completely independent of each other. 

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  • H1 Isolated Barrier and I.S. Power Supply in accordance with the FISCO Model;
  • H1 Fieldbus Signal Repeater;
  • Conform to the IEC 1158-2, 31.25 kbits/s standard for Fieldbus. (FOUNDATION fieldbus and PROFIBUS PA);
  • IEC, FM & CENELEC Intrinsic Safety standards certified;
  • In Compliance with IEC 60079-27, FISCO and FNICO Power Supply;
  • Dual Marking according IEC 60079-11 and IEC 60079-27;
  • Bus termination on hazardous area. 


Technical Characteristics:

Power Supply Input
Voltage: 24Vdc ± 5%
Current (max.): 350mA @ 24Vdc

Power Supply Output
Maximum Current in typical operation (considering Us = 13.8 Vdc) :  Is = 65 mA

Safety Parameter
Uo = 15 Vdc
Io = 140,12 mA
Po = 1,2 W
Ri ≥ 247,5 Ω
Characteristics: Trapezoidal

* Refer to FISCO standard to see other restrictions applied.

Library Lists:
Foundation FieldBus
DD Foundation FieldBus








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