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 |
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Temperature |
Pressure |
Flow |
Vibration |
Generic Alarms |
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PV Input Trigger |
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PVInput < Low Temperature |
PVInput < Low Pressure |
PVInput < Low Flow |
PVInput1 < Low Flow Value, and |
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 |