6-14 BE1-951 Reporting and Alarm Functions 9328900990 Rev LFigure 6-4. Reporting and Alarms Screen, VT Monitor TabBREAKER MONITORINGBreaker monitoring helps manage equipment inspection and maintenance expenses by providingextensive monitoring and alarms for the circuit breaker. Breaker monitoring functions include breakerstatus and operations counter reporting, fault current interruption duty monitoring, and trip-speedmonitoring. Each function can be set up as a programmable alarm. The Alarms Function sub-section hasmore information about the use of programmable alarms. The breaker trip circuit voltage and continuitymonitor is a related function and is described in the Trip Circuit Monitor subsection.Breaker Status ReportingThe breaker status monitoring function monitors the position of the breaker for reporting purposes.Opening breaker strokes are also counted and recorded in the breaker operations counter register. Circuitbreaker status is also used by the breaker trip circuit voltage and continuity monitor. The Trip CircuitMonitor sub-section provides more details.Setting the Breaker Status Reporting FunctionSince the relay is completely programmable, it is necessary to program which logic variable will monitorbreaker status. Breaker status is programmed using the BESTlogic Function Element screen inBESTCOMS. Figure 6-5 illustrates this screen. To open the BESTlogic Function Element screen forbreaker status, select Reporting and Alarms from the Screens pull-down menu and choose the BreakerMonitoring tab. Then select the Logic button in the lower left hand corner of the screen and inside the boxlabeled, Breaker Status Logic. Alternately, settings may be made using the SB-LOGIC ASCII command.
