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...4.11 Set Up Alarms Page
10.1
1 hour
Alarm On
Alarm Off
Examples shown are for a trip value of 10%/hour on a PV engineering range of 0.0 to 100.0
9.5
1 hour
Alarm On
Alarm Off
Examples shown are for a trip value of 10%/hour on a PV engineering range of 0.0 to 100.0
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The maximum time it takes to detect an alarm
condition is present (T), in seconds, is
calculated as follows:
T = 10.81 +
The time it takes for the alarm state to be
cleared once the alarm condition has been
removed is also equal to T.
9.5
1 hour
T
T
Falling Slow Rate
1800
T = 10.81 +
10
Fig. 4.12 Slow Rate Alarms with Hysteresis
The maximum time it takes to detect an alarm
condition is present (T), in seconds, is
calculated as follows:
T = 10.81 +
The time it takes for the alarm state to be
cleared once the alarm condition has been
removed is also equal to T.
10.1
1 hour
T
Falling Fast Rate
T = 10.81 +
Fig. 4.13 Fast Rate Alarms with Hysteresis
1800
x 2
Trip Value
T
Alarm On
Alarm Off
x 2
T = 382 seconds
1800
x 2
Trip Value
1 hour
T
Alarm On
Alarm Off
1800
x 2
T = 382 seconds
10
4 CONFIGURATION...
1 hour
9.5
1 hour
T
Rising Slow Rate
10.1
1 hour
9.5
T
Rising Fast Rate
10.1
T
39
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