TimeSinceLastSync

Description

This function returns the time elapsed in seconds since the last time synchronization. If there was no time synchronization, the function returns -1.

Tip
	Time synchronization is set in the configuration menu of ibaPDA then in the I/O Manager under the General node. Possible sources for the time synchronization are DCF77, IEC1131, PTP and HPCi via DGM200P or there is no time synchronization set.