Hex ); Table 359: Input Fieldbus Variable Udint Offset; Table 360: Input Fieldbus Variable Udint Offset - WAGO -I/O-SYSTEM 750 Manual

WAGO-I/O-SYSTEM 750
750-882 Media Redundancy ETHERNET Controller
12.3.5.42 Input Fieldbus Variable UDINT Offset (AB
This class allows the reading of data from a particular PLC input variable from the
data area for port 1.
With an offset of 2 bytes to the addresses of the "Input Fieldbus Variable UDINT
(AA )" class, that means for WAGO-I/O-PRO or CODESYS the PLC addresses
hex
for the input variables %ID638 ... %ID765.
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: Input Fieldbus Variable UDINT Offset (AB
Attribute ID Access
1
2
Instance 1...128 (Input variable 1 up to 128)
Table 317: Input Fieldbus Variable UDINT Offset (AB
Attribute ID Access
1
Common Services
Table 318: Input Fieldbus Variable UDINT Offset (AB
Servicecod
e
0E
hex
10
hex
Name
Get Revision
Get Max Instance
Name
Set Fb_In_Var
Service available Service-Name
Class Instance
Yes Yes Get_Attribute_Single Supplies contents of the appropriate
No Yes Set_Attribute_Single
Fieldbus Communication 317
)
hex
) – Class
hex
Data type Description
UINT Revision of this object
UINT Max. number of instances
) – Instance 1...128
hex
Data type Description
UDINT Fieldbus-Input variable of the SPS
) – Common service
hex
Description
attribute
Modifies an attribute value
Default
value
1 (0x0001)
128 (0x080)
Default
value
0
Manual
1.5.0