Festo control block CPX-CEC
6.3 Node guarding
Node guarding telegrams can be interrupted in stop mode when using the CAN interface.
1. Open the [PLC settings] tab in the CPX-CEC-…-V3.
2. Check the "Update IO while in stop" box.
Figure: PLC settings for CPX-CEC
6.4 CPX-MMI use and program downloads
Note
Parameters modified by the CPX−MMI are always overwritten by the parameters in the Codesys
project when a project is downloaded and a boot project is started.
6.5 Data incompatibility between the runtime project and controller
If the runtime data in the project and the operating system software used in the controller are incompatible,
the following message appears:
Figure: Selected target system is different from the connected device
Possible remedies:
• Update the firmware version of the CPX-CEC-…-V3 using FFT.
• Use a compatible package (older/newer version).
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