Chapter 16 - Monitoring and Control
5.4
EXCESSIVE FAULT FREQUENCY COUNTER
CB1 Trip 3ph
CB1 Ext Trip3 ph
CB1 Trip OutputA
CB1 Ext Trip A
CB1 Trip OutputB
CB1 Ext Trip B
CB1 Trip OutputC
CB1 Ext Trip C
CB1 LO Alarm
CB1FltFreqTime
CB2 Trip 3ph
CB2 Ext Trip3ph
CB2 Trip OutputA
CB2 Ext Trip A
CB2 Trip OutputB
CB2 Ext Trip B
CB2 Trip OutputC
CB2 Ext Trip C
CB2 LO Alarm
CB2FltFreqTime
V01279
Figure 229: Excessive Fault Frequency logic diagram
420
1
1
1
1
1
1
1
1
1
1
Increment
Reset
t
S
Q
0
1
R
Increment
Reset
t
S
Q
0
1
R
CB1 Excessive Fault Frequency Counter
CB2 Excessive Fault Frequency Counter
P446SV-TM-EN-1
P446SV