System overview
1.1 Introduction
SIRIUS Innovations
20 System Manual, 01/2011, A8E56203870002-03
1.1.2 SIRIUS Innovations
SIRIUS stands for innovation
Siemens is constantly developing its product portfolio to enable it to meet the demands of
industry, not only today, but in the future too. As part of this process, Siemens gathers
customer feedback on an ongoing basis and considers it in conjunction with the global trends
of tomorrow.
This manual underlines Siemens' claim to be a trendsetting company which offers you the
very best products for switching, starting, protecting, and monitoring your motors and
systems.
Figure 1-1 Innovations in the SIRIUS modular system
When coming up with these innovations for the SIRIUS modular system, particular
importance was placed on reducing the amount of wiring needed, saving space, reducing the
number of versions available, and providing operational reliability.
Simple and straightforward connection
The options for connecting to the higher-level control have now also been further improved:
The SIRIUS modular system now not only features the AS-Interface, but also the IO-Link,
which has been standardized as well. This ensures that switching devices can benefit from
optimum interaction with our SIMATIC automation system and also with third-party controls.
The connection to the automation level is implemented via function modules, which are
plugged onto contactors. However, these function modules are also available in a version for
traditional parallel wiring, as well as in versions featuring AS-i or IO-Link interfaces. This
simple version just contains the logic for performing the star-delta (wye-delta) functions of a
feeder, for example. There is no longer any need to carry out laborious control circuit wiring
work. The star-delta (wye-delta) times are set directly on the function module; all necessary
interlocks are already integrated therein. The smaller width is not only due to the higher
performance capability of the new devices, but also to the fact that the timing relay, for
example, which used to be connected separately, has been done away with completely.
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