DSE Model 5510 Autostart Control and Instrumentation System Operators Manual
057-015 5510 OPERATING MANUAL ISSUE 11 07/07/09 AM 22
OVERSPEED, if the engine speed exceeds the pre-set trip a shutdown is initiated. Alarm Shutdown
Overspeed will be displayed. Overspeed is not delayed, it is an immediate shutdown.
Alarm
Shutdown
Overspeed
NOTE:-During the start-up sequence the overspeed trip logic can be configured to allow
an extra trip level margin. This is used to prevent nuisance tripping on start-up - Refer to
the 55xx series configuration software manual under heading ‘Overspeed Overshoot’ for
details.
UNDERSPEED, if the engine speed falls below the pre-set trip after the Safety On timer has
expired, a shutdown is initiated. Alarm Shutdown Underspeed will be displayed.
Alarm
Shutdown
Underspeed
GENERATOR HIGH FREQUENCY, if the module detects a generator output frequency in excess of
the pre-set trip a shutdown is initiated. Alarm Shutdown High Frequency will be displayed, it is an
immediate shutdown.
Alarm
Shutdown
Gen high frequency
GENERATOR LOW FREQUENCY, if the module detects a generator output frequency below the
pre-set trip after the Safety On timer has expired, a shutdown is initiated. Alarm Shutdown Low
Frequency will be displayed.
Alarm
Shutdown
Gen low frequency
GENERATOR HIGH VOLTAGE, if the module detects a generator output voltage in excess of the
pre-set trip a shutdown is initiated. Alarm Shutdown High Volts will be displayed, it is an immediate
shutdown.
Alarm
Shutdown
Gen high voltage
GENERATOR LOW VOLTAGE, if the module detects a generator output voltage below the pre-set
trip after the Safety On timer has expired, a shutdown is initiated. Alarm Shutdown Low Volts will be
displayed.
Alarm
Shutdown
Gen low voltage
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