Operating Instructions

General information
2.1 Ethernet and PROFINET protocols that are used
Fieldbuses
Function Manual, 04/2018, FW V4.7 SP10, A5E34229197B AE
15
Table 2- 2 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 Ether-
Net/IP.
Explicit mes-
saging
44818 (4) TCP
(4) UDP
Used for parameter access (writing, reading).
This is inactive when delivered. Is activated when selecting Ether-
Net/IP.
Table 2- 3 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-
oriented data exchange to a remote CPU, WinAC or devices of other
suppliers.
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.