!new!: S7 1200 Tool 64 Bit 40

The S7-1200 CPUs (from FW V4.0 onwards) use a processor internally, but they support 64-bit floating point math (LREAL) and 64-bit integer handling (LINT/ULINT) . A "Tool" could refer to:

The version 4.0 release introduced several critical capabilities for managing the S7-1200 product line: S7 1200 Tool 64 Bit 40

If you are still using a 32-bit tool to access data at DB40.DBW40 or any address offset 40, you are facing several bottlenecks: The S7-1200 CPUs (from FW V4