Festo CPX-FB38 - Linking Automation Project (PLC Project)

2. Commissioning
2−36
Festo P.BE−CPX−FB38−EN en 0804NH
4. Click on Online" 4 to display the current input or output
data or the corresponding Value".
In the bottom part of the window, the current value is
displayed graphically: see 8 in Fig.2/6.
5. Click on Write" 5 to change the value.
The window Set Value Dialog" 6 is displayed.
6. Enter the required value.
7. Confirm
your entry with OK" 7.
8. The current value changes accordingly: see graphical
representation 8. In this example, the Valves" of a
CPXterminal are set.
9. Check the execution of the value change directly at the
terminal.
2.4.4 Linking automation project (PLC project)
By means of its Inputs" and Outputs", i.e. registers and
objects, the PLC project forms the software interface between
the automation program and the inputs and outputs of the
EtherCAT network, i.e. the I/O Devices and Boxes".
The integration of an EtherCAT automation project into the
system environment, here Beckhoff TwinCAT, is implemented
using
logical interconnections (links). For this purpose, the
particular hardware elements, I/O Devices and Boxes" are
linked to software elements (see example in Fig.2/7).
The varied functions and options of the TwinCAT system form
thereby the basis for EtherCAT automation projects providing
multitudinous optimization opportunities.
Example projects (Samples") and master projects (Tem
plates") are available
in the TwinCAT directory of yoursystem
environment or using the TwinCAT help or the TwinCAT
Information System" (requires separate software installation).