System overview   
1.10 Connection to the higher-level control 
  SIRIUS Innovations 
96  System Manual, 01/2011, A8E56203870002-03 
1.10.3.4  Process communication and field communication 
The AS-Interface is used where individual actuators and sensors are distributed at different 
locations on a machine (e.g. in a bottling plant or production line, etc.). AS-Interface replaces 
complex cable harnesses and connects binary and analog actuators and sensors such as 
proximity switches, valves, or indicator lights with a control, such as SIMATIC, or a PC. 
In practice this means that the installation process is really simple, because both data and 
power are transported via the same cable. No expert knowledge is required for installation 
and commissioning. Furthermore, thanks to the simple cable laying procedure and the clear 
cable structure, as well as the special design of the cable, you not only significantly reduce 
the risk of errors, but also service and maintenance costs. 
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Figure 1-44  Example of a system configuration