272 Fieldbus Communication
WAGO-I/O-SYSTEM 750
750-880, 750-880/025-000 ETHERNET Programmable Fieldbus Controller
Manual
Version 1.0.1
For each connection (input and output data or explicit), another instance of the
connection class is created. The connection parameters are extracted from the
"Forward Open" service, which is responsible for establishing a connection.
The following services are supported for the first instance:
• Forward_Open
• Unconnected_Send
• Forward_Close
No class and instance attributes are visible.
Pos: 111.9 /Alle Serien (Allgemeine Module)/Feldbuskommunikation/EtherNetIP/Port Class, TCP IP Interface, Ethernet Link @ 3\mod_1233753561578_21.doc @ 27067 @ 444 @ 1
12.3.5.9 Port Class (F4
hex
)
The "Port Class Object" specifies the existing CIP ports on the fieldbus
coupler/coupler. There is one instance for each CIP port.
Instance 0 (Class Attributes)
Table 209: Port class (F4
hex
) – Class
Attribute ID Access Name
Data type Description
Default value
1
Get
Revision
UINT
Revision of this object
1 (0x0001)
2
Get
Max Instance
UINT
Max. number of instances
1 (0x0001)
3
Get
Num Instances UINT
Number of current ports
1 (0x0001)
8
Get
Entry Port
UINT
Instance of the port object
where the request arrived.
1 (0x0001)
9
Get
All Ports
Array of
Struct
UINT
Array with instance attributes
1 and 2 of all instances
0 (0x0000)
0 (0x0000)
4 (0x0004)
2 (0x0002)
Instance 1
Table 210: Port class (F4
hex
) – Instance 1
Attribute ID Access NV Name
Data type Description
Default value
1 Get
V
Port
Type
UINT
-
4
(0x0004)
2
Get
V
Port Number UINT
CIP port number
2 (0x0002)
(EtherNet/IP)
UINT
Number of 16 bit
words in the
following path
2 (0x0002)
3 Get
V
Port
Object
Padded
EPATH
Object, which
manages this port
0x20 0xF5
0x24 0x01
(equals TCP/IP
Interface Object)
4 Get
V
Port
Name
SHORT_
STRING
Port name
“”
7
Get
V
Node Address Padded
EPATH
Port segment (IP
address)
Depends on IP address
