Profibus L2 UL FT4

Applications

This system cable is used to interconnect L2-BUS components. This cable is an economical solution for the cell and field area. For the information exchange between different automation systems as well as for communication with the connected decentralized field units, serial field bus systems are used. The type described here is suitable for the installation in areas where the FT4 standard (special fire standard "vertical tray") according to UL/CSA applies. For this purpose the line was equipped with a special outer PVC jacket.

Construction

  Profibus L2 UL FT4
Type/Area of Application Fixed Installation, Indoor
Cable Construction 1x2x0.64 mm
Inner Conductor Diameter Copper, bare (AWG 22/1)
Conductor Insulation Foam-skin-PE
Conductor Colors Red, green
Stranding Element 2 conductors + 2 fillers stranded together
Shielding Polyester foil, aluminum lined
Total Shielding Copper braid, tinned
Drain wire Yes
Outer Jacket Material PVC
Outer Diameter 8.0 mm ± 0.4 mm
Outer Jacket Color Violet

Electrical Data

Characteristic Impedance@3-20MHz 150 Ω ± 10 Ω
Conductor Resistance 55.0 Ohm/km max.
Insulation Resistance 1.00 GOhm x km min.
Mutual Capacitance@1 KHz 30.0 nF/km nom.
Working Voltage Max: 250 V
Test Voltage 1.5 KV
Attenuation 9.6 kHz < 2.5 dB/km
  38.4 kHz < 4.0 dB/km
  4.0 MHz < 22.0 dB/km
  16.0 MHz < 42.0 dB/km

Technical Data

Weight approximately 69.0 kg/km
Min. Bending Radius (Laying) 15 x OD mm
Operating Temp.Range, min. -40 °C
Operating Temp.Range, max. +70 °C
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