Siemens SINAMICS S120 Series Function Manual page 27

Protocol Port number
SNMP 161
Simple Network
Management Proto-
col
https 443
Secure Hypertext
Transfer Protocol
Internal 5188
protocol
Reserved 49152...65535
EtherNet/IP protocols
Explicit messaging 44818
Implicit messaging 2222
Modbus TCP protocols (server)
Request & Response 502
Communication
Function Manual, 12/2018, 6SL3097-5BD00-0BP0
2.5 Communication services and used port numbers
(2) Link layer
(4) Transport layer
(4) UDP
(4) TCP
(4) TCP
(4) TCP
(4) UDP
(4) TCP
(4) UDP
(4) UDP
(4) TCP
Function Description
Simple network SNMP enables the reading out
management pro- and setting of network man-
tocol agement data (SNMP man-
aged Objects) by the SNMP
manager.
Is open in the delivery state
and is always required.
Secure Hypertext https is used for the communi-
transfer protocol cation with the CU-internal
web server via Transport Lay-
er Security(TLS).
Is open in the delivery state
and can be deactivated.
Server/ Communication with commis-
incoming sioning tools for downloading
project data.
- Dynamic port area that is used
for the active connection end-
point if the application does
not specify the local port.
- Is used for parameter access,
etc.
Is closed when delivered, and
is opened when selecting
EtherNet/IP.
- Is used for exchanging I/O
data.
Is closed when delivered, and
is opened when selecting
EtherNet/IP.
- Is used for exchanging data
packages.
Is closed when delivered, and
is opened when selecting
Modbus TCP.
General information
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