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Advanced Operations
Figure 54 shows the behavior of the relay in the alarm mode under different conditions.
Figure 54 Relay behavior—Alarm mode
1 High alarm 5 ON delay when phase=reverse
OFF delay when phase=direct
2 High deadband 6 OFF delay when phase=reverse
ON delay when phase=direct
3 Low deadband 7 Time (x-axis)
4 Low alarm 8 Source (y-axis)
Table 27 Color/line code for Figure 54
Selected source
Relay contact (phase reverse)
Relay contact (phase direct)