The Festo CPX-8DE-8DA is a PLC expansion module from the CPX series, classified under PLCs and Accessories / PLC Expansion Modules. It sits in the CPX family, which handles distributed I/O for valve terminals and remote automation nodes. The part number CPX-8DE-8DA is the exact order code for this module.
As a CPX series module, the CPX-8DE-8DA mounts directly onto the CPX bus node or backplane, sharing the common CPX mechanical and electrical interface. No special adapters are needed for integration into a Festo CPX I/O island. The module fits within the standard CPX enclosure, maintaining the same fill factor as other CPX slices.