Service manual

122
Overview
5
Service and maintenance
◆
Message system
◆
Overview
General The status of the S
TELLAR
and its immediate surroundings are reported to ROSA in
the form of messages and alarms. In ROSA you can enable or disable messages, give
them a severity and attach an alarm and an alarm sequence to each message.
Types of messages The messages are categorized into various types according to what they signal. Some
messages are used for reporting status changes in connection with the installation of
the S
TELLAR
whereas others are used for reporting hardware or software errors.
The major message types are:
Type Example
Communication If a wrong/illegal command or parameter is used.
Hardware A malfunctioning module.
Software A software error.
Operational A missing or unstable input or output signal.
User interaction A macro or a download session has been started.