Sample Networks; Stub Cable Lengths Per Segment - Siemens SIMATIC S7-300 Hardware And Installation Manual

Configuring
Table 5-22
Transmission rate
9.6 Kbps to 93.75
Kbps
187.5 Kbps
500 Kbps
1.5 Mbps
3 Mbps to 12 Mbps
1)To connect PGs or PCs when operating above 3 Mbps, use patch cords with the Order
No. 6ES7 901-4BD00-0XA0. In your bus configuration you can use multiple PG patch cords
with this order no. Do not use any other type of stub cable.

5.10.6 Sample networks

Example: Installing an MPI subnet
The figure below shows you the block diagram of an MPI subnet.
5-46

Stub cable lengths per segment

Max. length of stub
cables per segment
M 96
M 75
M 30
M 10
1)
S7-300 Programmable Controller Hardware and Installation
Number of nodes with stub cable length
of ...
1.5 m or 1.6 m M 3
32 32
32 25
20 10
6 3
1) 1)
A5E00105492-02