Siemens SIMATIC NET PROFIBUS, Owner'S Manual

Page: 225 / 490

Passive Components for Electrical Networks
7-29
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
Mixing Plastic Fiber-Optic and PCF Fiber-Optic
To make the best use of the different cable lengths, the plastic fiber-optic cables
and PCF fiber-optic cables can be mixed.
For example, connection between distributed local DP slaves using plastic
fiber-optic (distances
t
50 m) and connection between DP master to the first DP
slave of the bus topology with PCF fiber-optic (distance
u
50 m).
Installing Plastic Fiber-Optic Cables
You can assemble and install plastic fiber-optic cables simply yourself. The
paragraph below contains information about the installation instructions and the
rules for laying cables are explained in Appendix C.
Instructions for Assembling Plastic Fiber-Optic Cables
A detailed instruction manual explaining how to assemble plastic fiber-optic cables
with simplex connectors and illustrated by photographs is available from the
following sources:
S
Appendix D of this manual
S
On the Internet
– German: http://www.ad.siemens.de/csi/net
– English: http://www.ad.siemens.de/csi_e/net
Select SEARCH on this Internet page, enter the number “574203” as the “Entry
ID” and start the search.
S
As a leaflet supplied with the simplex connector/polishing kit (see Table 7-6)
Title: Installation Instructions for SIMATIC NET PROFIBUS Plastic Fiber-Optic
Cables with Simplex Connectors