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5 Implementation of EtherNet/IP
5.2 Classes and instances of the EtherNet/IP-gateway
XI/ON: XNE-GWBR-2ETH-IP 09/2011 MN05002007Z-EN www.eaton.com
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5.2.8 Ethernet Link Object (0×F6)
The following description of the Ethernet Link Object is taken from the CIP specification, Vol.
2, Rev. 1.1 by ODVA & ControlNet International Ltd. and adapted to XI/ON.
Class attributes
Instance attributes
Table 33:
Class attributes Attr.
no. Attribute name G et/
S et
Type Value
1 (0×01) REVISION G UINT 1
2 (0×02) MAX OBJECT INSTANCE G UINT 1
3 (0×03) NUMBER OF INSTANCES G UINT 1
6 (0×06) MAX CLASS
IDENTIFIER G UINT 7
7 (0×07) MAX INSTANCE ATTRIBUTE G UINT 6
Table 34:
Instance attri-
butes Attr.
no. Attribute name G et/
S et
Type Description
1 (0×01) INTERFACE
SPEED
G UDINT Speed in megabits per second
(e.g., 10, 100, 1000, etc.)
2 (0×02) INTERFACE
FLAGS
G DWORD see Table 35: Interface flags, Page 73
3 (0×03) PHYSICAL
ADDRESS
G ARRAY OF
USINT Contains the interface’s MAC address
Table 35:
Interface flags Bits Name Definition Default-value
0 Link Status Indicates whether or not the Ethernet
802.3 communications interface is
connected to an active network.
0 = inactive link
1 = active link. Depends on appli-
cation
1 Half / Full Duplex 0 = half duplex;
1 = full duplex
If the Link Status flag is 0, the value of
the Half/Full Duplex flag is indetermi-
nate. Depends on appli-
cation