Fieldbus Communication
•
197
EtherNet/IP (Ethernet/Industrial Protocol)
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
Common Services
Service available
Service code
Class Instance
Service Name
Description
0E hex
yes
yes
Get_Attribute_Single Supplies contents of the appropriate attribute
4.3.3.2.25
Output fieldbus variable USINT Extended 1 (A4
hex
)
Same as the Output Fieldbus Variable USINT Class (A3
hex
), however this
contains the PLC output variables 256..510.
This instance corresponds to the PFC’s output variables located at address
%QB2808-%QB3062 in a WAGO-I/O-PRO application.
4.3.3.2.26
Output fieldbus variable USINT Extended 2 (A5
hex
)
Same as the Output Fieldbus Variable USINT Class (A3
hex
), however this
contains the PLC output variables 511..512.
This instance corresponds to the PFC’s output variables located at address
%QB3063-%QB3064 in a WAGO-I/O-PRO application.
Class attribute max. Instance = 2