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Sequence of Events Recorder Triggers State
Force Lower (Runback) Initiated
Raise Tap Limit True
Lower Tap Limit True
Low Band Exceeded
High Band Exceeded
Low Voltage Limit True
High Voltage Limit True
Auto Inhibit True
Non-Sequential Exceeded
Reverse Power Detected
Peak Motor Current Exceeded
Average Motor Current Exceeded
Motor Current Duration Exceeded
Voltage Harmonics Exceeded
Current Harmonics Exceeded
CBEMA Event 1 True
CBEMA Event 2 True
CBEMA Event 3 True
CBEMA Event 4 True
VAr Bias Active
Seal-in Failure Alarm Active
Seal-in Failure Raise Block Active
Seal-in Failure Lower Block Active
Low Current Block Active
Motor Seal-in Input Detected
Neutral Input Detected
Counter Input Detected
Op Count Signal Exceeded
HMI Active True
Individual Tap Wear Alarm Active
Event Logic
Combinations of the trigger signals in Table 54 can be AND’ed and OR’ed to produce the
desired trigger logic. Figure 217 illustrates the trigger logic that can be applied.
1VAC388793-MB A
Section 5
System setup
TCC300 269
User Manual