310 Fieldbus Communication
WAGO-I/O-SYSTEM 750
750-880, 750-880/025-000 ETHERNET Programmable Fieldbus Controller
Manual
Version 1.0.1
12.3.5.44 Output Fieldbus Variable UDINT Offset (AD
hex
)
The class enables the exchange of data from a particular PLC output variable.
With an offset of 2 bytes to the addresses of the "Output Fieldbus Variable
UDINT (AC
hex
)" class, that means for WAGO-I/O-
PRO
or CoDeSys the PLC
addresses for %QD638 ... %QD765.
Information
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 %ID638
and the Low-Word of the address %ID639, etc.
If instance 128 is read, you obtain only the High-Word of the address %ID765..
Instance 0 (Class Attributes)
Table 316: Output Fieldbus Variable UDINT Offset (AD
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 317: Output Fieldbus Variable UDINT Offset (AD
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 318: Output Fieldbus Variable UDINT Offset (AD
hex
) – Common service
Service available
Servicecode
Casse Instance
Service-Name
Description
0E
hex
Yes
Yes
Get_Attribute_Single Supplies contents of the appropriate
attribute
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