Protocol
Port
number
Layer
(2) Link layer
(4) Transport layer
Function/description
PTCP
Precision
Transparent
Clock Protocol
Not rele‐
vant
(2) Ethernet II and
IEEE 802.1Q and
Ethertype 0x8892
(PROFINET)
PROFINET send clock and time synchronization, based on IEEE 1588
PTC is used to implement send clock synchronization and time syn‐
chronization between RJ45 ports, which are required for IRT opera‐
tion.
PTCP uses the special multicast MAC address:
xx-xx-xx-01-0E-CF,
xx-xx-xx = Organizationally Unique Identifier
PROFINET IO
data
Not rele‐
vant
(2) Ethernet II and
IEEE 802.1Q and
Ethertype 0x8892
(PROFINET)
PROFINET Cyclic IO data transfer
The PROFINET IO telegrams are used to transfer IO data cyclically
between the PROFINET IO controller and IO devices via Ethernet.
PROFINET
Context Man‐
ager
34964
(4) UDP
PROFINET connection less RPC
The PROFINET context manager provides an endpoint mapper in or‐
der to establish an application relationship (PROFINET AR).
Table 4-13
EtherNet/IP protocols
Protocol
Port
number
Layer
(2) Link layer
(4) Transport layer
Function/description
Implicit mes‐
saging
2222
(4) UDP
Used for exchanging I/O data.
This is inactive when delivered. Is activated when selecting EtherNet/
IP.
Explicit mes‐
saging
44818
(4) TCP
(4) UDP
Used for parameter access (writing, reading).
This is inactive when delivered. Is activated when selecting EtherNet/
IP.
Table 4-14
Connection-oriented communication protocols
Protocol
Port
number
Layer
(2) Link layer
(4) Transport layer
Function/description
ISO on TCP
(according to
RFC 1006)
102
(4) TCP
ISO-on-TCP protocol
ISO on TCP (according to RFC 1006) is used for the message-orien‐
ted data exchange to a remote CPU, WinAC or devices of other sup‐
pliers.
Communication with ES, HMI, etc. is activated in the factory setting,
and is always required.
SNMP
Simple Net‐
work Manage‐
ment Protocol
161
(4) UDP
Simple network management protocol
SNMP enables network management data to be read out and set
(SNMP managed objects) by the SNMP manager.
It is activated in the factory setting, and is always required
Reserved
49152 ...
65535
(4) TCP
(4) UDP
Dynamic port area that is used for the active connection endpoint if the
application does not specify the local port.
Wiring
4.2 Control interfaces
SINAMICS G120X converter
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC
143
Содержание SINAMICS G120X
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