WAGO-I/O-SYSTEM 750
Fieldbus Communication 333
750-882 Media Redundancy ETHERNET Controller
Manual
1.5.0
12.3.5.58 Output Fieldbus Variable UDINT Offset (BD
hex
)
The class enables the exchange of data from a particular PLC output variable
from the data area for port 2.
With an offset of 2 bytes to the addresses of the "Output Fieldbus Variable
UDINT (BC
hex
)" class, that means for WAGO-I/O-
PRO
or CODESYS the PLC
addresses for %QD766 ... %QD893.
Information about Using the Offset
"Offset of 2 bytes" means:
If instance 1 of this class is read, you obtain High-Word of the address %QD766
and the Low-Word of the address %QD767, etc.
If instance 128 is read, you obtain only the High-Word of the address %QD893.
Instance 0 (Class Attributes)
Table 364: Output Fieldbus Variable UDINT Offset (BD
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
128 (0x0080)
Instance 1...128 (Output variable 1 up to 128)
Table 365: Output Fieldbus Variable UDINT Offset (BD
hex
) – Instance 1...128
Attribute ID Access Name
Data type Description
Default
value
1
Set
Fb_Out_Var
UDINT
Fieldbus output variable of the SPS 0
Common Services
Table 366: Output Fieldbus Variable UDINT Offset (BD
hex
) – Common service
Servicecod
e
Service available
Service-Name
Description
Casse Instance
0E
hex
Yes
Yes
Get_Attribute_Single Supplies contents of the appropriate
attribute