
© Siemens AG 2001
Subject to change without prior notice
Order no. 6ZB5 530-0AQ02-0BB0
Printed in Germany
260/101575 VO 1001 4.
Siemens AG
Automation & Drives
SIMATIC NET Industrial Communications
P.O. Box 4848, D-90327 Nuremberg
Germany
Siemens Aktiengesellschaft
Abbreviations (continued)
SIMATIC NET in the Internet
Visit us at our
SIMATIC NET home page
in the Internet
www.siemens.com/automation/
simatic-net
You will find information on products
and solutions, up-to-date information
on SIMATIC NET as well as events or
trade publications.
At
www.siemens.com/automation/
net/katalog
you will find direct descriptions of the
SIMATIC NET products.
Term Meaning Explanation
Protocol — Transfer specification for data communication.
This specification determines both the formats of the
messages and the data flow during data transmission
ST connector Straight tip connector Connector for fiber-optic cables with bayonet interlock
(ST = registered trademark of AT&T)
Topology Type of wiring arrangement
between nodes
The most important basic forms are:
· bus
· tree
· line
· star
· redundant ring
Combinations of all the basic forms are possible.
Komentarze do niniejszej Instrukcji