Siemens SINAMICS S120 Function Manual page 904

Communication
11.7 Communication services and used port numbers
Report
EtherNet/IP protocols
Explicit
messaging
Implicit
messaging
Modbus TCP protocols (server)
Request & Re-
sponse
904
Port num- (2) Link layer
ber
(4) Transport layer
44818 (4) TCP
(4) UDP
2222 (4) UDP
502 (4) TCP
Function Description
- Is used for parameter
access, etc.
Is closed when deliv-
ered, and is opened
when selecting Ether-
Net/IP.
- Is used for exchanging
I/O data.
Is closed when deliv-
ered, and is opened
when selecting Ether-
Net/IP.
- Is used for exchanging
data packages.
Is closed when deliv-
ered, and is opened
when selecting Modbus
TCP.
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
Drive functions