89
Advanced Operations
Figure 54 shows the behavior of the relay in the alarm mode under different conditions.
Figure 54 Relay behavior—Alarm mode
1High alarm 5ON delay when phase =reverse
OFF delay when phase=direct
2High deadband 6OFF delay when phase=reverse
ON delay when phase=direct
3Low deadband 7Time (x-axis)
4Low alarm 8Source (y-axis)
Table 27 Color/line code for Figure54
Selected source
Relay contact (phase reverse)
Relay contact (phase direct)