Specifications
48
SIRIUS Modular System Siemens manufactures an extensive array of components and
systems that can be utilized for machine control applications.
One such system is the SIRIUS modular system of industrial
controls which incorporates components in each of the
following categories: switching, protecting, starting, monitoring
and controlling, detecting, commanding and signaling, and
supplying. Where varied power requirements are needed,
the SIRIUS modular system provides a range of options. For
example, contactors and overload relays are available in multiple
sizes ranging from size S00 to S12.
Contactors
Overload Relays
S00 S12
Communication In addition to signals provided to a PLC through its I/O system,
a PLCs often also communicates with other devices via one
or more communication ports. Communication ports provide
a pathway for the PLC to communicate with devices such as
operator interfaces, variable speed drives, computers, and other
PLCs.