PXC4.A and PXC5.A automation stations include:
- An OnboardIBus representing the onboard I/O.
- Field bus management and diagnostics associated with the onboard I/O bus.
- Two predefined modules corresponding to the PXC4.A's built-in onboard I/O (two for the PXC4.A and four for the PXC5.A).
- A peripheral device object for each module.