322 Fieldbus Communication
WAGO-I/O-SYSTEM 750
750-882 Media Redundancy ETHERNET Controller
Manual
1.5.0
12.3.5.47 Input Fieldbus Variable USINT Extended 2 (B2
hex
)
The extension of the "Input Fieldbus Variable USINT" class enables the reading
of PLC input variable data from the data area for port 2.
The instance scope of the "Input Fieldbus Variable USINT Extended 1" class
covers the PLC input variable data from 511 to 512 from the data area for port 2.
For WAGO-I/O-
PRO
or CODESYS, that means the PLC addresses for input
variables %IB3574...%IB3575.
Instance 0 (Class Attributes)
Table 331: Input Fieldbus Variable USINT Extended 2 (B2
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
2 (0x0002)
Instance 511...512 (Input variable 511 up to 512)
Table 332: Input Fieldbus Variable USINT Extended 2 (B2
hex
) – Instance 511...512
Attribute ID Access Name
Data type Description
Default
value
1
Set
Fb_In_Var
USINT
Fieldbus-Input variable of the SPS 0
Common Services
Table 333: Input fieldbus variable USINT Extended 2 (B2
hex
) – Common service
Servicecod
e
Service available
Service-Name
Description
Class Instance
0E
hex
Yes
Yes
Get_Attribute_Single Supplies contents of the appropriate
attribute
10
hex
No
Yes
Set_Attribute_Single Modifies an attribute value