Pepperl+Fuchs RD0-FB-Ex4.COM

Fieldbus Barrier

The RD0-FB-Ex4.COM from Pepperl+Fuchs is a fieldbus barrier module designed for DIN rail mounting. It is used to connect up to four intrinsically safe field devices in hazardous areas, ensuring safe operation and compliance with relevant standards.

Technical Specifications

• Design / Mounting: Cabinet installation

• Installation in Hazardous Area: Zone 1 / Div. 2

• Fieldbus Connection:

  • Main Cable (Trunk):

    • Input (Trunk IN): Terminals 3+, 4-, 5s

    • Output (Trunk OUT): Terminals 7-, 8+, 6s

    • Rated Voltage: 32 ... 16 V DC

    • Rated Current: 31 mA ... 26 mA (without load), 77 mA ... 115 mA (at 20 mA load per input), 120 mA ... 209 mA (at 40 mA load per input), 135 mA ... 241 mA (short-circuit on all outputs)

    • Voltage Drop: Trunk IN to Trunk OUT 100 mV max

    • Number of Couplers: Max. 4 per segment

• Outputs:

  • Number of Devices per Output: 1

  • Connection Output 1: Terminals 10+, 11-, 12S shield

  • Connection Output 2: Terminals 13+, 14-, 15S shield

  • Connection Output 3: Terminals 16+, 17-, 18S shield

  • Connection Output 4: Terminals 19+, 20-, 21S shield

  • Rated Voltage: 10 ... 13 V

  • Rated Current: Max. 43 mA

  • Short-Circuit Current: 50 mA

• Indicators/Operating Means:

  • LED Voltage Fieldbus: Green: On, bus voltage existent

  • LED Status Output: Red flashing: Short-circuit

  • Galvanic Isolation: Main wire/outputs isolation is not affected by interference according to EN 50020, voltage peak value 375 V

• Directive Conformity:

  • Electromagnetic Compatibility: Directive 2014/30/EU EN 61326-1:2013

  • Standard Conformity: Electromagnetic compatibility NE 21:2006

  • Degree of Protection: IEC/EN 60529

  • Fieldbus Standard: IEC 61158-2

  • Climatic Conditions: DIN IEC 721

  • Corrosion Resistance: According to ISA-S71.04-1985, severity level G3

• Ambient Conditions:

  • Ambient Temperature: -50 ... 70°C (-58 ... 158°F)

  • Storage Temperature: -40 ... 85°C (-40 ... 185°F)

• Mechanical Specifications:

  • Connection Type: Screw terminal

  • Core Cross Section: Up to 2.5 mm²

  • Housing Material: Polycarbonate

  • Degree of Protection: IP20

  • Mass: 1050 g

  • Mounting: DIN rail mounting

• Data for Application in Connection with Hazardous Areas:

  • EU-Type Examination Certificate: PTB 02 ATEX 2086

  • Marking: Ex-Hexagon II 2 (1) G Ex eb mb [ia Ga] IIC T4 Gb, Ex-Hexagon II (1) D [Ex ia Da] IIIC

  • Main Cable (Trunk):

    • Maximum Safe Voltage Um: 253 V AC

  • Outputs:

    • Power: 975 mW

    • Voltage: 15.75 V

    • Current: 248 mA

  • Directive Conformity:

    • Directive 2014/34/EU: EN IEC 60079-0:2018+AC:2020, EN 60079-7:2015+A1:2018, EN 60079-11:2012, EN 60079-18:2015+A1:2017

  • International Approvals:

    • FM Approval: CoC 3015728

    • CSA Approval: CoC 1845315

    • IECEx Approval: IECEx PTB 03.0003

Advantages

• Safety: Ensures safe operation in hazardous environments with intrinsic safety and short-circuit current limitation.
• Versatility: Supports multiple fieldbus protocols and can connect up to four devices.
• Ease of Installation: DIN rail mounting and screw terminal connections simplify installation.
• Robust Design: High degree of protection and corrosion resistance make it suitable for demanding environments.
• Compliance: Meets international standards for electromagnetic compatibility and hazardous area certifications.