
40
Figure 46
– Input Mode 7 Logic Chart
CHOOSING THE DESIRED OPERATING MODE
For circuit breaker characteristic monitoring, there are seven operating modes to select from.
MODE 1
Figure 47
– Selecting Input Mode 1
This choice monitors the state of the 52a and 52b auxiliary switches for the circuit breaker. When the 52a changes state, the
monitor registers an Open operation, modifies it by the A Input Delay setting to calculate Contact Duty and records the time