Siemens SIMATIC NET PROFIBUS User Manual
Passive Components for RS-485 Networks
4-24
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
4.2
FastConnect Bus Connector
Uses
Using the bus connector for SIMATIC NET PROFIBUS:
S
Nodes with an electrical 9-pin sub-D interface complying with EN 50170 can be
connected directly to the SIMATIC NET PROFIBUS cables
connected directly to the SIMATIC NET PROFIBUS cables
S
Electrical segments or individual nodes can be connected to the optical link
module (OLM, OBT).
module (OLM, OBT).
S
Nodes 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!
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!
4.2.1
The FastConnect System
Uses
PROFIBUS FastConnect is a system for fast simple assembly of PROFIBUS
copper cables.
copper cables.
Design
The system consists of three components:
S
FastConnect LAN cables for fast installation
S
FastConnect stripping tool
S
FastConnect bus connectors for PROFIBUS
(with insulation displacement system)
(with insulation displacement system)
Note
All PROFIBUS FastConnect LAN cables can also be fitted into the normal bus
connectors with screw terminals.
connectors with screw terminals.