UL fieldbus cables

Related standards for Foundation Fieldbus cables

General cable specification Foundation Fieldbus FF-844 H1 and cable design based on EN 50288-7 or UL 13 / UL 2250.

  • UL type products may be UL listed
    • Electrical properties based on FF-844 H1 and IEC 61158-2, type A
  • IEC 61158-2, type A
    • is restricted to single pair cables,
    • whereas FF-844 H1 specifies multipair, too
  • FF-844 H1
    • Electrical properties of each pair in multipair cables shall be according to IEC 61558-2, type A

FF-844 – cable design

Foundation Fieldbus Cables registered / 100 Ohm / FF-844 Fieldbus Foundation H1

With the Foundation Fieldbus, the "host device" only monitors the procedures. Within process automation, the FF forms a so-called LAN (Local Areas Network) and the FF devices are connected to H1 links. Several H1 links are connected to the high-performance network HSE High-Speed-Ethernet via linking devices.

  • Tinned conductors
  • Minimum dimension AWG 18
  • Temperature rating of the cables min. -30 °C to +90 °C (-22 °F to 194 °F)
  • Cable design according to
    • EN 50288-7
    • UL 13, type PLTC
  • Cable sheath PVC or LSZH (low smoke, zero halogen) material
  • Flame retardancy according to IEC 60332-3-24 or UL 1685
  • Electrical requirements
    • Characteristic impedance: 100 Ω ± 20 %
    • Attenuation: < 3 dB/km
    • Capacitive unbalance to shield: 4 nF/km

Designs and the following main options

  • Conductor sizes
    • 1.0 mm2, 1.3 mm2, 1.5 mm2, 2.5 mm2,
      AWG 16, AWG 18
  • Screen options
    • ALU/PET tape (ST)
    • And/or copper wire braid (ST + C), (ST + Ce)
  • Armor options
    • Steel wire armor SWA
    • Steel wire braid armor (Q)
    • Corrugated steel tape armor (SR)
  • Halogen free cables
  • UL rating
    • PLTC/ITC

Other types of UL fieldbus cable

  • Fieldbus DP & PA
  • Fieldbus Foundation FF
  • CAN-Bus
  • MOD-Bus

Conductor

  • Copper (plain or tinned), sizes
    • Profibus DP: AWG 22/1 and AWG 22/19
    • Profibus PA and Foundation Fieldbus:
      • AWG 18/7, AWG 18/19, AWG 16/7,
        AWG 14/7
      • Metric sizes 1.0 mm2, 1.3 mm2, 1.5 mm2, 2.5 mm2

Insulation

  • Solid PE, foamed PE (70 °C / 158 °F)
  • XLPE (90 °C / 194 °F)
  • PP (105 °C / 221 °F)

Stranding elements

  • Pairs, individual screened pairs (PiMF)

Screen

  • Plastic coated aluminum tape with drain wire
  • Copper wire braid, tinned
  • Combination of above

Further cable design

  • Follows design standards EN 50288-7, UL 13, UL 2250

UL-Approval * (PLTC/ITC) in accordance to UL 13 / UL 2250

(*refer to LEONI Kerpen GmbH UL listing file E107687, section 8)

Armoring

  • Galvanized round steel wires (SWA)
  • Braid of galvanized steel wires (Q)
  • Corrugated steel tape (SR)
  • Double layer of galvanized steel tapes (B)

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    ICON Instrumentation Cable

    PLTC/ITC and TC Types

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