Siemens SICLOCK TC 400 Operating Instructions Manual page 127

Device
The SICLOCK TC 400 plant central clock is described as a device.
Pulse converter
All products of the SICLOCK range that convert physical levels without changing
the information are designated as pulse converters.
Examples of pulse converters:
SICLOCK EOPC, SICLOCK PCON, SICLOCK DCFHF, SICLOCK DCFS7 inter-
face.
Local area network (LAN)
A local area network describes the networking of different components for a com-
mon data exchange.
Non-networked plant equipment
Non-networked plant equipment describes all those plant components that are
not time-synchronized via the local area network, but via point-to-point connec-
tions.
See Point-to-point connection.
NTP - Network Time Protocol
Standard for the synchronization in computer systems via packet-based commu-
nication networks.
Offline mode
There is no connection between the configuration tool and the device.
The current status is displayed in the IP address entry field in different colors; in
online mode, the IP address is green.
Online mode
There is a connection between the configuration tool and the device.
The current status is displayed in the IP address entry field in different colors; in
online mode, the IP address is green.
Parameter
Related values/settings are combined into a parameter. A parameter contains
one or more entries.
See Entry.
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SICLOCK TC 400
Glossary
D-125