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APPLICATIONS
|
Profibus L2 UL FT4
Application:
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:
| Type/Area of Application | Fixed Installation,Indoor |
| Cable Construction | 1x2x0.64 mm |
| Inner Conductor Diameter 1 | Copper, bare (AWG 22/1) |
| Conductor Insulation | Foam-Skin-PE |
| Conductor Colors 1 | Red, green |
| Stranding Element | 2 conductors + 2 fillers stranded together |
| Shielding 1 | Polyester foil over stranded bundle |
| Shielding 2 | 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@ -20Hz | 150 Ω ± 10 Ω | ||||
| Conductor Resistance | 55.0 Ohm/km max. | ||||
| Insulation Resistance | 1.00 GOhm x km min. | ||||
| Mutual Capacitance@1KHz | 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 |
< |
45.0 |
dB/km |
|
Technical Data:
| Weight | approximately 66.0 kg/km |
| Min. Bending Radius for Laying | 15 x OD mm |
| Operating Temperature Range, min. | -40 °C |
| Operating Temperature Range, max. | +70 °C |
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