KROHNE Summit 8800 Vol 3 - Manual (Page 28)

28 www.krohne.com 08/2013 - MA SUMMIT 8800 Vol3 R02 en
SUMMIT 8800 DATA LOGGING 05
5 .2 Alarm log
Every time an alarm or warning occurs, it will be stored in the alarm log. The log contains a
maximum of 200 entries consisting of time and date when the alarm occurred and vanished plus
a description of the alarm or warning.
Figure 13 Alarm log
As the alarm log is a system functions, it does not need any configuration, exept for the alarm
acknowledge and clear, which is depending on the security configuration (see previous chapter)
All alarm information stored in the Summit’s internal data flash memory. Each record contains
a CRC 32 check which is generated when the log record is created and checked for validity each
time data is read from the Unit.
5 .3 Audit trail log
Any change made in the Summit which influences the flow measurement in any way is stored in
an audit trail to be able to track back what went wrong and possibly recalculate the results.This
log contains a maximum of 200 kbyte of internal memory, typically good at least 2000 entries.
Each entry consists of time and date when the event occurred, the operator name, the descrip-
tion of the event and the value before and after change: