3.3.2 Ethernet parameter
The following parameters contain the values, which are needed for the communication via
the Ethernet interface.
et.00 MAC address Address 0300h
The MAC address (Media Access Control) is formed of 6 byte. The rst three bytes
contain the manufacturer's code (00-08-FA). Only the lowest 4 bytes are displayed here
„FAxxxxxx“. This address is assigned by the manufacturer and cannot be changed.
et.01 IP address Address 0301h
The IP address consists of 4 bytes and is the clear identication of one Internet partici-
pant (called node by such a way). In case of doubt the network administrator gives the
address to be adjusted.
When using a direct connection of control and PC with a cross cable, this IP address
should be adjusted in such a way that the difference is only in the lowest byte to the
address of the PC's (same network but different node).
et.02 COMBIVIS port number Address 0302h
The port number for the access via COMBIVIS is adjusted with this parameter. The stan-
dard value is 8000 and normally it is not changed.
et.03 CoDeSys port number Address 0303h
This parameter adjusts the port number, under which CoDeSys establishes the connec-
tion. The standard value is 1200 and normally it is not changed.
et.04 IP error count Address 0304h
Serves for the diagnosis of the IP protocol stack.
et.05 TCP connections Address 0305h
This parameter displays the number of active TCP/IP connections.
et.06 UDP connections Address 0306h
This parameter displays the number of active UDP connections.
et.07 PGM logged in Address 0307h
This parameter displays that there is an online connection to CoDeSys. A further login via
CoDeSys is not possible then.
et.08 TCP multicount Address 0308h
This parameter serves only for diagnostic purposes.
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