ABB C1300 User Manual page 34

C1300
Advanced circular chart recorder
9.5
1 hour
Alarm On
Alarm Off
Falling Fast Rate
Examples shown are for a trip value of 10%/hour on a PV engineering range of 0.0 to 100.0
Fig. 3.3 Fast Rate Alarms with Hysteresis
10.1
1 hour
9.5
T
Alarm On
Alarm Off
Falling Slow Rate
Examples shown are for a trip value of 10%/hour on a PV engineering range of 0.0 to 100.0
Fig. 3.4 Slow Rate Alarms with Hysteresis
32
The maximum time it takes to detect an alarm condition is
present (T), in seconds, is calculated as follows:
T = 10.81 + x 2
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 T
1800
T = 10.81 + x 2
10
The maximum time it takes to detect an alarm condition is
present (T), in seconds, is calculated as follows:
T = 10.81 + x 2
The time it takes for the alarm state to be cleared once the
alarm condition has been removed is also equal to T.
1 hour
T
1800
T = 10.81 + x 2
10
1800
Trip Value
1 hour
Alarm On
Alarm Off
T = 382 seconds
1800
Trip Value
T
Alarm On
Alarm Off
T = 382 seconds
3 Configuration
10.1
1 hour
9.5
T T
Rising Fast Rate
1 hour
9.5
1 hour
T
Rising Slow Rate
IM/C1300 Rev. J
10.1