Regarding your questions on updating from APROL R4.0-10P2:
Update Path to R4.2 (Latest) and R4.4 (Latest) - Direct upgrade from R4.0-10P2 to R4.2 is supported via the standard APROL update procedure in Automation Studio (AS) 4.x. No intermediate steps required, but ensure AS version compatibility (AS 4.10 or later recommended).
For R4.4, follow the same path, but review release notes for any hardware-specific prerequisites (e.g., CPU firmware updates).
Official Update To-Do & Tips List:
Yes, B&R provides a comprehensive upgrade guide in the Automation Help (search ‘APROL Upgrade Procedure’). Key steps include: Backup configurations, update via AS project transfer, validate licenses, and test system redundancy. Download the latest from the B&R Downloads portal.
License Availability for R4.2:
R4.2 licenses are still officially available through B&R sales channels. Contact your local B&R representative for procurement; support extends until at least 2026 per lifecycle policy.
For detailed steps, refer to the APROL R4.x Release Notes and AS 4.10 documentation. If you provide more details on your hardware setup, I can offer tailored advice.