Profinet Io - Services; Profinet Io - Protocols - TR-Electronic MP-Series Benutzerhandbuch

PROFINET general information
3.4 PROFINET IO – Services
● Cyclic data exchange of process data
– RT communication within a network, no use of UDP/IP
– RT communication between networks, using UDP/IP *** not supported! ***
– IRT communication for deterministic and clock-synchronized data
– Multicast Communication Relation,
● Acyclic data exchange of record data (read- / write services)
– Parameterization of the encoTRive during system boot
– Reading of diagnostic information
– Reading of identification information according to the
– Reading and writing of the encoTRive object directory
3.5 PROFINET IO – Protocols
EDD, Ethernet Device Driver:
General mechanisms for sending/receiving
ACP, Alarm Consumer Provider: Processing of alarms
CM, Context Management: Structure and administration of application- and
communication relations between IO-Devices and IO-Controller
DCP, Discovery and Control Program:
Assignment of IP addresses and device names over Ethernet
LLDP, Link Layer Discovery Protocol: For topology identification
and others
 TR-Electronic GmbH 2008, All Rights Reserved
Page 146 of 252
transmission *** not supported! ***
with RT- and IRT-communication based on the Provider/Consumer model
*** not supported! ***
„Identification and Maintenance (I&M) Functions"
TR - EMO - BA - DGB - 0019 - 08
Printed in the Federal Republic of Germany
06/06/2019