Baud rate / bus cable length
Baud rate [kbps]
9.6 − 93.75
187.5
500
1500
3000 − 12000
)
Note!
Ensure that the baud rate depending on the amount of data, cycle time and
number of stations is only selected as high as required for the application.
Specification of the transmission cable
Please follow the specifications of the PROFIBUS user organisation (PNO) for signal cables:
Area
Specific resistance
Capacitance per unit length
Loop resistance
Core diameter
Core cross−section
Cores
EDKLCFH3024−EPM DE/EN 2.0
Electrical installation
Length [m]
1200
1000
400
200
100
Values
135 ... 165 W/km, (f = 3 ... 20 MHz)
£ 30 nF/km
< 110 W/km
> 0.64 mm
2
> 0.34 mm
Double twisted, insulated and shielded
l
Communication
4
85