Siemens Plant Central Clock TC100 - Manual (Page 118)

Glossary
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SICLOCK ® TC100 Operating Instructions
Online mode
There is a connection between the Configuration Tool and the device.
The current status is shown in color in the entry field of the IP address, in online
mode the IP address is green.
Parameter
Related values / settings are grouped together in a parameter. A parameter con-
tains one or more entries.
See Entry.
Password
An authorization right may be required to access parameters. Passwords for vari-
ous authorization levels can be defined with the Configuration Tool.
Initial password on the device: "2222"
See Authorization.
Persistent indication
Persistent indications are events which have an incoming and an outgoing status,
e.g. alarms.
See Events.
Plant components, programmable controllers, computers
The plant components are the devices which are to be synchronized. Depending
on the definition, they can also be referred to as programmable controllers or PCs.
Typical networked plant components are, e.g., PCs, SIMATIC S7.
Typical non-networked plant components are, e.g. protective relays, fault
recorders.
Point-to-point connection
A point-to-point connection describes the synchronization of exactly one non-net-
worked plant component via a separate line, e.g. an output of a central plant
clock.
See Non-networked plant components.
Pulse converter
All products in the SICLOCK range which change the physical level without chan-
ging the information are termed pulse converters.
Examples of pulse converters:
SICLOCK EOPC, SICLOCK PCON, SICLOCK DCFHF, SICLOCK DCFS7
interface.