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Decentralized I/O

Festo’s CPX-AP-I decentralized I/O reduces wiring and shorten pneumatic tube runs, resulting in easier and faster installation of components and a clean, streamlined looking packaging line.


The Festo strategy of shorter tube runs increases system performance through faster acting valves and actuators. CPX-AP-I also makes it easy to apply IO-Link enabled intelligent devices for enhanced diagnostics.

Communication and voltage supply come from two separate connection cables that enable the creation of voltage zones. Because CPX-AP-I is based on Ethernet, data bandwidth and speed exceed that of remote I/O. CPX-AP-I features:

• 2 Kbyte I/O process data

• More than 80 modules per bus node

• Parallel data processing of real-time and non-real-time data

• Bus cycle times < 250µs for rapid production processes

• Enhanced diagnostics and condition monitoring

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