Siemens SIMATIC NET PROFIBUS manual Bus Connectors, Uses

Passive Components for RS-485 Networks

4.3Bus Connectors

Uses

Using the bus connector for SIMATIC NET PROFIBUS:

SNodes with an electrical 9-pin sub-D interface complying with EN 50170 can be connected directly to the SIMATIC NET PROFIBUS cables

SElectrical segments or individual nodes can be connected to the optical link module (OLM, OBT).

SNodes or programming devices can be connected to a repeater.

Note

The integrated bus terminators and the mechanical specifications of the SIMATIC NET bus connectors are tailored to the SIMATIC NET PROFIBUS cables (cable type A of the PROFIBUS standard EN 50170-1-2). Fitting bus connectors to cables with different electrical or mechanical properties can cause problems during operation!

4-32	PROFIBUS Networks SIMATIC NET
	6GK1970-5CA20-0AA1 Release 2 05/2000