ABB SM500F - Page 104

SM500F
Field mountable paperless recorder 7 Configuration
102 IM/SM500F Rev. Z
Fig. 7.14 Fast-/Slow-Rate Alarms
Deviation exceeded  fast rate alarm becomes active, slow rate alarm becomes inactive, new period starts.
Deviation below limit at end of time period  fast rate alarm becomes inactive, slow rate alarm becomes active.
Alarm On
Alarm Off
Fast Rate Alarm
Period
Deviation
Deviation
Deviation exceeded  fast rate alarm becomes active, slow rate alarm becomes inactive, new period starts.
Deviation below limit at end of time period  slow rate alarm becomes active, new period starts.
Alarm On
Alarm Off
Slow Rate Alarm
Deviation below limit at end of time period  alarm becomes inactive.