DOCA0270EN-02

Predictive Alarms Examples—Pump Avatar

The following are working examples of how to set up Predictive Alarms for the Pump avatar . Combining the protection functions and PV Input conditions allows you to set up example Predictive Alarms for the Pump avatar as shown below. Remember, these are only examples. Predictive Alarms can be customized to provide more accurate alarms for an avatars specific application.

Examples of Predictive Alarm Messages—Pump Avatar

Protection Type

Alarm Input Sensor Type

Temperature

Pressure

Flow

Vibration

Generic Alarms

PV Input Trigger

PVInput < Low Temperature

PVInput < Low Pressure

PVInput < Low Flow

PVInput1 < Low Flow Value, and
PVInput2 > High Vibration

PVInput > High Vibration

All PVInput Triggers = None (not configured)

Thermal Overload

High Viscosity

X

Friction Force Increase

Impeller Jam

Check alignment or bearings

Mechanical seal or bent shaft, or impeller jam

Motor Overheat

X

Dry run or seals worn out

Material in impeller or heavy sludge (sand/silt)

Dry run or inspect line for blockage or closed valve

Check alignment or bearings

No cooling or high ambient temp or tight seal alarm, or multiple starts without cool-time

Jam

X

Cut-out fused, hose blocked, clogged, or frozen, or has come off one end

Impeller jam

Valve stuck, or blocked impeller. Suction intake or leakage.

Inspect impeller

Impeller jam or broken, or check transducers or air-locked

Undercurrent

X

Dry run

Clogged inlet, or inspect line for closed valve

Cavitation or dry run

Inspect impeller

Check coupling, inspect line for blockage, or check inlet

Overcurrent

High Viscosity

Pump run-out or broken pipe

Closed discharge valve or discharge cavitation

X

Check alignment or bearings

Binding shaft or bad bearings, or check impeller

None

Low PV Temperature

Low PV pressure

Low PV flow

No flow and high PV vibration

High PV vibration

X

QR Code is a registered trademark of DENSO WAVE INCORPORATED in Japan and other countries.

Was this helpful?