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Operation 4‐19MN2408
Analog Faults Eight analog fault inputs are user programmable for 12 fault conditions. Each analog fault input requires a specific analog
signal type.
Fault
Name
Fault
Action
Inputs
Signal
Low Engine Temperature Alarm Engine Temperature
High Engine Temperature #1 Alarm Engine Temperature
High Engine Temperature # 2 Shutdown Engine Temperature
Low Oil Pressure #1 Alarm Oil Pressure
Low Oil Pressure #2 Shutdown Oil Pressure
Low Battery Voltage Alarm Battery Voltage
High Battery Voltage Alarm Battery Voltage
Weak Battery Alarm Battery Voltage
Undervoltage Shutdown Voltage
Under frequency Shutdown AC Frequency
Low Engine Temperature An analog DC signal is provided from an engine mounted sender. The low engine temperature fault is activated when engine
temperature is below a pre-determined setpoint for a specified time delay. This fault is programmable for temperature
setpoint level, transient time delay settings and other functions.
High Engine Temperature #1 An analog DC signal is provided from an engine mounted sender. The high engine temperature fault is activated when
engine temperature is above a pre-determined setpoint for a specified time delay. This fault is programmable for the level of
temperature setpoint, transient time delay settings and other functions.
High Engine Temperature # 2 An analog DC signal is provided from an engine mounted sender. The high engine temperature fault is activated when the
engine temperature rises above a pre-determined setpoint for a specified time delay. This fault is programmable for the level
of temperature setpoint, transient time delay settings and other functions.
Low Oil Pressure #1 An analog DC signal is provided from an engine mounted sender. The low oil pressure alarm fault is activated when the oil
pressure is below a pre-determined setpoint for a specified time delay. This fault is programmable for pressure setpoint level,
transient time delay settings and other functions.
Low Oil Pressure #2 An analog DC signal is provided from an engine mounted sender. The low oil pressure shutdown fault is activated when the
oil pressure is below a pre-determined setpoint for a specified time delay. This fault is programmable for pressure setpoint
level, transient time delay settings and other functions.
Low Battery Voltage The low battery voltage alarm fault is activated when the battery voltage drops below a pre-determined setpoint for a
specified time delay. This fault is programmable for the voltage setpoint level, transient time delay settings and other
functions.
High Battery Voltage The high battery voltage alarm fault is activated when the battery voltage rises above a pre-determined setpoint for a
specified time delay. This fault is programmable for voltage setpoint level, transient time delay settings and other functions.
Weak Battery The weak battery alarm fault is activated when the battery voltage drops below a pre-determined setpoint for a specified
time delay. The weak battery alarm detects a low capacity (i.e. “weak“) battery condition during the cranking cycle. The weak
battery alarm is programmed for a lower battery voltage setpoint and shorter time delay than the low battery alarm function.
This fault is programmable for voltage setpoint level, transient time delay settings and other functions.
Undervoltage All 3-phases of the generator output are monitored for an undervoltage condition. The undervoltage sensor is programmable
for type of fault action (alarm or shutdown), pickup and dropout voltage setpoints (i.e. adjustable hysteresis) and transient
time delay settings.
Under frequency The generator output is monitored for an under frequency condition. The under frequency sensor is programmable for type of
fault action (alarm or shutdown), frequency setpoint, and transient time delay settings.
Engine Speed Analog Input A magnetic pickup (engine speed sensor) measures engine speed. The engine speed sensor allows the controller to perform
the following control functions:
Overspeed shutdown
Crank Disconnect control
Loss of speed signal detection
Starter Re-engage control
RPM display