Festo Электрический терминал СРХ - Manual (Page 16)

Contents and general instructions
XIV
Festo P.BE−CPX−CEC−E N en 1004a
Term/abbreviation Meaning
UDP (User Datagram
Protocol) A minimal, connectionless network protocol that has a lower protocol
overhead compared to TCP. This has the advantage of a faster
exchange of data. Due to the lack of a reply, the correct transmission
must be ensured, e.g. by means of a user program
User data Telegram data without protocol frame data. The length of the user data
is defined in the configuration of the fieldbus slave
www World Wide Web
Tab. 0/2: Product−specific terms and abbreviations