Operating instructions

Glossary
D-132
© Siemens AG 2007 All Rights Reserved
SICLOCK
®
TC400
Password
Authorization may be required for access to parameter
s. Passwords for various
authorization levels can be defined with the configuration tool.
Initial password on the device: "2222"
See Authorization.
Point-to-point connection
A point-to-point connection describes the synchron
ization of exactly one non-net-
worked plant component via a dedicated cable, e.g. one output of a plant central
clock.
See Non-networked plant equipment.
SICLOCK DCFRS
Industrial version of the SICLOCK DCFRS radio clock with integrated DCF77
receive
r.
SICLOCK GPS1000
Radio clock as GPS receiver
SICLOCK GPSDEC
GPS complete package with SICLOCK GPSDEC decoder.
SICLOCK TC400 con
figuration tool
Web interface for the parameterization and searching in the archive of a
SICLOCK TC400 device via an
Internet browser.
u600 file
The configuration tool can open and save parameter
s and archives in the form of
*.u600 files.
UTC
UTC stands for Universal Time Coordinated. It is a combination of the interna-
tion
al atomic time TAI and the universal time UT. Time zones are specified as a
positive or negative difference to UTC.
TAI
See Atomic time (TAI).