S7-300 to S7-1500 Migration: When Testing Windows Are Weeks Apart
26 February 2026
How do you migrate a PLC system when you can only test during planned shutdowns?
One manufacturing customer reached out in June 2025 with a large S7-300 PLC project that needed to migrate to S7-1500. Their biggest constraint: they can only test during planned maintenance shutdowns—sometimes weeks or months between...