WAGO-I/O-SYSTEM 750
Fieldbus Communication 299
750-880, 750-880/025-000 ETHERNET Programmable Fieldbus Controller
Manual
Version 1.0.1
12.3.5.33 Input Fieldbus Variable USINT Extended 2 (A2
hex
)
The extension of the "Input Fieldbus Variable USINT" class enables the reading
of PLC input variable data. The instance scope of the "Input Fieldbus Variable
USINT Extended 1" class covers the PLC input variable data from 256 to 510.
For WAGO-I/O-
PRO
or CoDeSys, that means the PLC addresses for input
variables %IB2807...%IB3061.
Instance 0 (Class Attributes)
Table 283: Input Fieldbus Variable USINT Extended 2 (A2
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 284: Input Fieldbus Variable USINT Extended 2 (A2
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 285: Input fieldbus variable USINT Extended 2 (A2
hex
) – Common service
Service available
Servicecode
Class Instance
Service-Name
Description
0E
hex
Yes
Yes
Get_Attribute_Single Supplies contents of the appropriate
attribute
10
hex
No
Yes
Set_Attribute_Single Modifies an attribute value