300 Fieldbus Communication
WAGO-I/O-SYSTEM 750
750-880, 750-880/025-000 ETHERNET Programmable Fieldbus Controller
Manual
Version 1.0.1
12.3.5.34 Output Fieldbus Variable USINT (A3
hex
)
The class enables the exchange of data from a particular PLC output variable.
For WAGO-I/O-PRO or CoDeSys, that means the PLC addresses for output
variables %QB2552...%QB2806.
Instance 0 (Class Attributes)
Table 286: Output fieldbus variable USINT (A3
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
255 (0x0FF)
Instance 1...255 (Output variables 1 up to 255)
Table 287: Output fieldbus variable USINT (A3
hex
) – Instance 1...255
Attribute ID Access Name
Data type Description
Default value
1
Get
Fb_Out_Var USINT
Fieldbus Output variable of the
PLC
0
Common Services
Table 288: Output fieldbus variable USINT (A3
hex
) – Common service
Service available
Service code
Class Instance
Service name
Description
0E
hex
Yes
Yes
Get_Attribute_Single Supplies contents of the appropriate attribute