Siemens SINAMICS Configuration Manual page 216

Communication
A.1 Communication
Layers and protocols
Report
PROFINET protocols
DCP
Discovery and
configuration pro‐
tocol
LLDP
Link Layer Dis‐
covery protocol
MRP
Media Redun‐
dancy Protocol
PTCP
Precision Trans‐
parent Clock Pro‐
tocol
PROFINET IO
data
216
Port number (2) Link layer
(4) Transport layer
Not relevant (2) Ethernet II and
IEEE 802.1Q and
Ethertype 0x8892
(PROFINET)
Not relevant (2) Ethernet II and
IEEE 802.1Q and
Ethertype 0x88CC
(PROFINET)
Not relevant (2) Ethernet II and
IEEE 802.1Q and
Ethertype 0x88E3
(PROFINET)
Not relevant (2) Ethernet II and
IEEE 802.1Q and
Ethertype 0x8892
(PROFINET)
Not relevant (2) Ethernet II and
IEEE 802.1Q and
Ethertype 0x8892
(PROFINET)
Function Description
Accessible no‐ DCP is used by PROFI‐
des, NET to determine PRO‐
FINET devices and to
PROFINET
make basic settings.
Discovery and
configuration DCP uses the special
multicast MAC address:
xx-xx-xx-01-0E-CF,
xx-xx-xx = Organization‐
ally Unique Identifier
PROFINET LLDP is used by PROFI‐
Link Layer Dis‐ NET to determine and
covery protocol manage neighborhood
relationships between
PROFINET devices.
LLDP uses the special
multicast MAC address:
01-80-C2-00-00-0E
PROFINET me‐ MRP enables the control
dium redundan‐ of redundant routes
cy through a ring topology.
MRP uses the special
multicast MAC address:
xx-xx-xx-01-15-4E,
xx-xx-xx = Organization‐
ally Unique
Identifier
PROFINET PTC enables a time de‐
lay measurement
send clock and
time synchroni‐ between RJ45 ports and
sation, based therefore the send cycle
on IEEE 1588 synchronization and time
synchronization.
PTCP uses the special
multicast MAC address:
xx-xx-xx-01-0E-CF,
xx-xx-xx = Organization‐
ally Unique Identifier
PROFINET Cy‐ The PROFINET IO tele‐
clic IO data grams are used to cycli‐
transfer cally transfer IO data be‐
tween the PROFINET IO
controller and IO devices
via Ethernet.
Configuration Manual, 08/2017, A5E36912609A
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