Cb155 Terminals; Bus Cabling - Siemens CB15 Operating Instructions Manual

PROFIBUS MODULE (CB15/CB155)

2.2.1.2 CB155 Terminals

The PROFIBUS connection will normally be made using the optional T connector 6SE9996-0XA21 ). This is
connected to the free connector on the side of the CB155, and is in turn screwed to the front of the CB155, thus
providing the PROFIBUS IN and OUT connections. See Diagram above.
1
5
2
3
Socket (Pins)
Pin Arrangement for the 5-way circular PROFIBUS Connector
Note that the socket is used on the PROFIBUS module, and the gender adapters. The plug is used on the
interconnecting cables.
Terminal Function, information
1 +5V
2 N (-)
3 0V
4 P (+)
5 no connection

2.2.2 Bus Cabling

Transmission Rate (Kbits/s)
9,6
19,2
93,75
187,5
500
1500
12000
A segment can be expanded using RS485 repeaters. The SINEC L2 RS485 repeater (order no. 6GK1510-0AC00)
is recommended.
5
4
4
3
Plug (Holes)
Max. Length of Cable in a Segment (m)
1
2
1200
1200
1200
1000
400
200
100
8
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