What time base does the Ecostruxure Control Expert (formally Unity Pro) INT_TO_TIME function use?

Issue:
What is the time base used for the INT_TO_REAL function Control Expert (formally Unity Pro)?

Product line:
Unity Momentum, Quantum, M340, M580

Environment:
Ecostruxure Control Expert (formally Unity Pro).

Cause:
To determine the time base for setting up the block.

Resolution:
The Unity Pro INT_TO_TIME EFB time base is in milliseconds. An example would be a value of 25,000 is 25 seconds - this is the same as T#25s for data type TIME.