WAGO-I/O-SYSTEM 750
Fieldbus Communication 301
750-880, 750-880/025-000 ETHERNET Programmable Fieldbus Controller
Manual
Version 1.0.1
12.3.5.35 Output Fieldbus Variable USINT Extended 1 (A4
hex
)
The extension of the "Output Fieldbus Variable USINT" class enables the
exchange of PLC output variable data. The instance scope of the "Output Fieldbus
Variable USINT Extended 1" class covers the PLC output variable data from 256
to 510.
For WAGO-I/O-
PRO
or CoDeSys, that means the PLC addresses for output
variables %QB2807...%QB3061.
Instance 0 (Class Attributes)
Table 289: Output Fieldbus variable USINT Extended 1 (A4
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 (0x00FF)
Instance 256...510 (Output variable 256 up to 510)
Table 290: Output Fieldbus Variable USINT Extended 1 (A4
hex
) – Instance 256...510
Attribute
ID
Access
Name
Data type Description
Default value
1
Get
Fb_Out_Var USINT
Fieldbus output variable of SPS
0
Common Services
Table 291: Output Fieldbus Variable USINT Extended 1 (A4
hex
) – Common service
Service available
Servicecode
Class Instance
Service-Name
Description
0E
hex
Yes
Yes
Get_Attribute_Single Supplies contents of the appropriate
attribute