Lenze MC-PBS - Handbuch (Seite 37)

Electrical installation 5
LDCDS−MC−PBx DE/EN 3.0
37
l
H1_E_INST−PBS_Uebrate_LtgLaenge
Specification of the transmission cable
)
Note!
Only use cables complying with the listed specifications of the PROFIBUS user
organisation.
Field Values
Specific resistance 135 ... 165 W /km, (f = 3 ... 20 MHz)
Capacitance per unit length £
30 nF/km
Loop resistance < 110 W /km
Core diameter > 0.64 mm
Core cross−section > 0.34 mm 2
Cores Twisted double, insulated and shielded
Baud rate / length of bus cable
Baud rate [kBit/s] Length [m]
9.6 − 93.75 1200
187.5 1000
500 400
1500 200
3000 − 12000 100