9 June, 2003
Christos Zamantzas
4
Protection Systems
lTransient
èSystem required to record fast
signals and freeze on trigger
lLogging
èSystem required to continuously (on
time or on change) record slow or infrequent changes
lAlarms
èSystem required to send fault events
to the Central Alarm Server, (CAS).
lExternal Trigger
èSystem required to respond to general
PM trigger
lInternal Trigger
èSystem required to autonomously
record all protection actions
lDate
èOperational for Sector Test or Beam
Commissioning
LHC Workshop, Charmonix XI-8.4; R. Lauckner