5. Overview
Festo P.BE-CMMS-FHPP-DN-SW-EN en 1103a 19
The meaning of the data is determined by the FHPP user protocol. Please refer to the FHPP
manual for detailed information.
5.3 Explicit Messaging
The Explicit Messaging Protocol is used for transporting configuration data and for
configuring a system. Explicit Messaging is also used for setting up an I/O connection.
Explicit Messaging connections are always point-to-point connections. An end point sends
a request, the other end point replies with an answer. The answer may be a success
message or an error message.
Explicit messaging makes various services possible. The most common services are:
• opening the explicit messaging connection
• closing the explicit messaging connection
• get single attribute (read parameter)
• get single attribute (save parameter)
5.4 Electronic data sheet (EDS)
In order to make commissioning fast and simple, the abilities of the DeviceNet interface of
the motor controller are described in an EDS file. By using a suitable configuration tool you
can configure a device within a network. The EDS for DeviceNet is contained on the CD
supplied with the product. The latest version can be downloaded from our home page
(www.festo.com/fieldbus).
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