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General Alarm Descriptions

Data Point Name

Access

Value Type

Point Source

Description

Amps A

Read Only

Analog

Generator Controller (or meter if not present)

Amps on leg A measured at the output of the generator.

Amps B

Read Only

Analog

Generator Controller (or meter if not present)

Amps on leg B measured at the output of the generator.

Amps C

Read Only

Analog

Generator Controller (or meter if not present)

Amps on leg C measured at the output of the generator.

Battery Charge Alarm

Read Only

Digital

Generator Controller

Engine battery charger has gone into alarm.  This is a warning alarm and could prevent the engine from running.

Battery Voltage

Read Only

Analog

Generator Controller (blank if not present)

Battery voltage in volts of the engine batteries.

Common Alarm

Read Only

Digital

Generator Controller (hard-wired if not present)

True if any alarm (warning or shutdown) is present on the engine.  If true, engine may not run when called up for dispatch.

Coolant Temp

Read Only

Analog

Generator Controller (blank if not present)

Engine coolant temperature of the engine in degrees F.

Emergency Stop

Read Only

Digital

Generator Controller

The Emergency stop button has been hit at the Generator. This is a shutdown alarm, the Generator will not run until the button is released and alarm is cleared onsite.

Frequency

Read Only

Analog

Generator Controller (or meter if not present)

Voltage frequency measured at the output of the generator.

Fuel Level

Read Only

Analog

Generator Controller (blank if not present)

For diesel engines, fuel level remaining of diesel belly tank.

High Battery Volts

Read Only

Digital

Generator Controller

High battery voltage is detected on the engine batteries.  Generator will run but further onsite investigation is needed.

High Engine Temp

Read Only

Digital

Generator Controller

Engine coolant temp has gone above the critical level.  This is a shutdown alarm, generator will not run until this is addressed onsite.

kVAR

Read Only

Analog

Generator Controller (or meter if not present)

Reactive power reading measured at the output of the generator.

kW

Read Only

Analog

Generator Controller (or meter if not present)

Real power reading measured at the output of the generator.

kWh

Read Only

Analog

Generator Controller (or meter if not present)

Total real power consumption measured at the output of the generator.

Low Battery Volts

Read Only

Digital

Generator Controller

Low battery voltage is detected on the engine batteries.  Generator will run but further onsite investigation is needed.

Low Coolant Level

Read Only

Digital

Generator Controller

Engine coolant level has gone below the critical level.  This is a shutdown alarm, generator will not run until this is addressed onsite.

Low Coolant Temp

Read Only

Digital

Generator Controller

Engine coolant temp has gone below the critical level.  This is a shutdown alarm, generator will not run until this is addressed onsite.

Not in Auto

Read Only

Digital

Generator Controller (hard-wired if not present)

True when engine is taken OUT of Auto and put into either the Manual or Off position.  If true, engine will not run as expected when called upon for dispatch. 

Oil Pressure

Read Only

Analog

Generator Controller (blank if not present)

Oil pressure of engine in PSI.

Oil Pressure Low

Read Only

Digital

Generator Controller

Engine oil pressure has gone below the critical low level. This is a shutdown alarm, generator will not run until this is addressed.

Overcrank

Read Only

Digital

Generator Controller

Engine is attempting to start but is not able.  This is a shutdown alarm, generator will not run until this is addressed.

Overspeed

Read Only

Digital

Generator Controller

Engine speed has gone above expected operating parameters.  This is a shutdown alarm, generator will not run until this is addressed.

Power Factor

Read Only

Analog

Generator Controller (or meter if not present)

Power factor measured at the output of the generator.

Pre High Engine Temp

Read Only

Digital

Generator Controller

Engine coolant temp has gone above the warning level.  This is a warning alarm, generator will run but further site investigation is necessary.

Pre Low Oil Pressure

Read Only

Digital

Generator Controller

Low engine oil pressure is detected.  Generator will run but further onsite investgation is needed.

Running

Read Only

Digital

Generator Controller (hard-wired if not present)

True when engine is running.

Shutdown Alarm

Read Only

Digital

Generator Controller

Any shutdown alarm is present on the generator.  The engine will not run until addressed or cleared.

Supplying Load

Read Only

Digital

Generator Controller (or meter if not present)

Generator is providing standby power to the site.

Start

Read/Write

Digital

Generator Controller (hard-wired if not present)

Remote start of generator.

Volts AB

Read Only

Analog

Generator Controller (or meter if not present)

A to B line-to-line voltage reading at the output of the generator.

Volts BC

Read Only

Analog

Generator Controller (or meter if not present)

B to C line-to-line voltage reading at the output of the generator.

Volts CA

Read Only

Analog

Generator Controller (or meter if not present)

C to A line-to-line voltage reading at the output of the generator.

Warning Alarm

Read Only

Digital

Generator Controller

Any warning alarm is present on the generator.  The generator will run but further onsite investigation needs to be done.

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