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Educational Instrument
The application case of Decowell Remote IO in teaching instrument
1. Introduction to PROFINET bus
PROFINET, launched by PROFIBUSInternational (PI), is a new generation automation bus standard based on industrial Ethernet technology. As a strategic technological innovation, PROFINET provides a complete network solution for the field of automation communication, including real-time Ethernet, motion control, distributed automation, fault safety, network security and other hot topics in the field of automation, and as a cross-vendor industrial bus technology, It is fully compatible with industrial Ethernet and existing fieldbus (such as PROFIBUS) technologies, protecting existing investments.
PROFINET bus has the following technical characteristics:
① Good compatibility, suitable for solving the compatibility and interoperability problems of devices from different manufacturers in the system;
② High data transmission efficiency, long transmission distance, with an adaptive transmission rate of 10 ~ 100M/bps;
③ Strong anti-interference ability, adapt to the harsh industrial production environment;
④ Fast network fault location and diagnosis.
2. Topology diagram of teaching instrument system
2.1 Siemens S7-1200 is used to connect with FS PROFINET module, and two FS PROFINET bus modules are used on each teaching instrument.
2.2 The input channel of FS series module is mainly connected with the external button, emergency stop switch and travel switch, and the output channel is mainly connected with the solenoid valve and three-color lamp.
3. Equipment drawing
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