304 Fieldbus Communication
WAGO-I/O-SYSTEM 750
750-880, 750-880/025-000 ETHERNET Programmable Fieldbus Controller
Manual
Version 1.0.1
12.3.5.38 Input Fieldbus Variable UINT Extended 1 (A7
hex
)
The extension of the "Input Fieldbus Variable UINT" class enables the reading of
PLC input variable data. The instance scope of the "Input Fieldbus Variable UINT
Extended 1" class covers the PLC input variable data from the PLC input variable
256.
For WAGO-I/O-
PRO
or CoDeSys, that means the PLC addresses for input
variable %IW1531.
Instanz 0 (Class Attributes)
Table 298: Input Fieldbus Variable UINT Extended 1 (A7
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)
Instanz 256 (Input variable 256)
Table 299: Input Fieldbus Variable UINT Extended 1 (A7
hex
) – Instance 256
Attribute ID Access Name
Data type Description
Default
value
1
Set
Fb_In_Var
UINT
Fieldbus Input variable of the PLC 0
Common Services
Table 300: Input Fieldbus Variable UINT Extended 1 (A7
hex
) – Common service
Service available
Service
code
Class Instance
Service Name
Description
0E
hex
Ja
Ja
Get_Attribute_Single Supplies contents of the appropriate
attribute
10
hex
Nein
Ja
Set_Attribute_Single Modifies an attribute value