ABB IM300-I Operational Manual page 30

the frequency limit is not allowed.
When the over-frequency alarm is allowed, the
screen is shown as shown in fig. 3-2-41:
The "1" indicates the frequency limit alarm
associated relay 1.
The "54.00Hz" indicates the primary side limit
value of the alarm.
The '51.50Hz' indicates the primary side return
value of the alarm.
The "60.0" indicates that the time limit of alarm delay is 60 seconds.
Note: the over-frequency alarm allows the default value to be not allowed; The
default value of the correlation relay is not associated; The default value is 55.0Hz; The
default value of the return value is 54.0Hz; The default value for delay time is 1800s.
Screen 19：Low power factor alarm parameters.
The word "w-pf" is displayed on the top of the screen
to indicate the low power factor alarm parameters.
When the low power factor is not allowed, the screen is
shown in fig. 3-2-42: 'OFF' indicates that the low power
factor is not allowed.
When the low power factor is allowed, the screen is
shown as shown in fig. 3-2-42:
The "OFF" indicates that the low power factor
alarm unconnected relay.
The '0.900' indicates the primary side limit
value of the low power factor alarm
The '0.950' indicates the primary side return
value of the low power factor alarm.
The '60.0' indicates that the low power factor
alarm delay time is 60s.
Note: the lower power factor alarm allows the default value to be not allowed; The
default value of the correlation relay is not associated; The default value is 0.5; The
default value of the return value is 0.6. The default value for delay time is 1800s.
IM300 Intelligent Power Monitoring Instrument
Fig. 3-2-41 Over frequency alarm parameters
Fig. 3-2-42 Low power factor alarm parameters.
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