User`s manual

2-6 Series 90™-30 CPU with Embedded PROFIBUS Interface – November 2004 GFK-2334A
2
VP (6)
RxD/TxD-P (3)
RxD/TxD-N (8)
DGND (5)
Ru = 390 Ohms
Rt = 220 Ohms
Rd = 390 Ohms
Bus Termination for Type A Cable in Accordance to PROFIBUS Specifications
In addition to the termination shown above, the following compensation should be added
for 12 MBit/s bus technology:
To/from
another
node
110nH
110nH
To/from
another
node
110nH
110nH
5
4
3
2
1
9
8
7
6
12 MBit/s Bus Compensation
Network Baud Rate
The master configures the appropriate network baud rate for each station on the network.
Typical baud rate values are: 9.6 kBit/s, 19.2 kBit/s, 93.75 kBit/s, 187.5 kBit/s, 500 kBit/s,
1.5 MBit/s, 3 MBit/s, 6 MBit/s, or 12 MBit/s. For details on using the configuration
software, refer to chapters 3 and 4.