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
73
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
