Siemens SICLOCK TC 400 Operating Instructions Manual page 106

Plant central clock
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Messages
Table 12-1
Message overview with event type and brief description
Density of synchronization
Information
Specifies the number of input synchronizations per interval.
The message is output cyclically and is used to judge the reception quality.
Synchronization status
Information
The message is output cyclically (e.g. every 12 hours) in order to document the current
external synchronization in the archive.
Status of synchronization (changeover)
Information
The synchronization status has changed.
System start
System
The system has been started. The message is triggered when the system starts.
TFTP file requested
Information
A TFTP file has been requested.
(E.g. firmware update, Web data update, etc.)
TFTP file received
Information
A file has been loaded via TFTP.
(E.g. firmware update, Web data update, etc.)
TFTP file transferred
Information
A file has been transferred from the device via TFTP.
(E.g. firmware update, Web data update, etc.)
Time initialized by hardware
Application
An initial synchronization of the clock module has been performed.
Time set by HMI
Application
Time domain(s) has(have) been changed via HMI
12-104
© Siemens AG 2007 All Rights Reserved
SICLOCK
®
TC 400

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