Siemens Plant Central Clock TC100 User Manual

Page 120

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Glossary

D-11

SICLOCK

TC100 Operating Instructions

UTC

UTC stands for universal time coordinated. It is a combination of the international
atomic time TAI and the universal time UT. The time zones are defined as positive
or negative differences from UTC.

Volatile parameter

Volatile parameters are parameters containing values or states that change con-
tinually during operation.

Zone time

The zone time is the zone time derived from UTC.