PROFIBUS DP gateway
Wieland Electric GmbH | BA000970 | 07/2019 [9855]
111
Table 75: Line parameters of the SP-PROFIBUS-DP module
Characteristic
Value
Wave resistance
135-165
Ω
(at a frequency of 3-20 MHz)
Capacity per length unit
< 30 pF/m
Loop resistance
≤
110
Ω
/km
Lead diameter
> 0.64 mm
Wire cross-section
> 0.34 mm
2
These cable parameters provide the following maximum physical dimensions for a bus section:
Table 76: Maximum line lengths of the SP-PROFIBUS-DP module
Baud rate (kbit/s)
Maximum cable length (m)
9.6
1200
19.2
1200
93.75
1200
187.5
1000
500
400
1500
200
12000
100
Data transmission rate
The data transmission rate is automatically set. The maximum baud rate is 12 Mbit/s.