Operating instructions
Table Of Contents
- SICLOCK® TC 100 Plant Central Clock
- Overview
- Safety notices
- Preface
- Table of Contents
- 1 Safety instructions
- 2 Description
- 3 Hardware description
- 4 Operation planning
- 5 Mounting
- 6 Connection
- 7 Configuration Tool
- 8 Parameter assignment and operation of the device
- 9 Parameter assignment
- 10 Parameter table
- 11 Service and maintenance
- 12 Messages
- 13 Technical data
- 14 Dimension drawing
- 15 Circuit diagrams
- 16 Spare parts / accessories
- A Annex
- B ESD guidelines
- C List of icons
- D Glossary
- Index

Glossary
D-11
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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.