Mfr. Belden
Profibus has been developed by ISO as an industrial field bus system. A 1-pair cable can connect as many as 32 stations with a maximum distance of 1200 metres (without amplifiers) and a maximum speed of 12 Mbs. 3079A has solid conductors. Type 3079E has multi-core conductors.
Conductors
3079A: Bare copper 0.32 mm2, 1x0.64 mm
3079E: Bare copper 0.36 mm2, 7x0.25 mm
Cond. insulation: Foam PE
Shield: Aluminium/polyester foil 100% shield +
tinned copper braid 65 % shield
External sheath
3079A: Grey PVC
3079E: Purple PVC
Temperature range
3079A: −30 to +75 °C
3079E: −30 to +80 °C
Impedance: 150 Ω
Capacitance (cond-cond): 29 pF/m
Max. voltage: 300 V |