VFD

VFDs are found on AC Fans, Pumps, and other motor driven entities and are used to control the motor speed.

Variations

• VFD

A variation on VFDs exists called a VSD, which is a DC only VFD. That entity type is not explored in this shape.

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Composition

Core

Nil

Switch

Nil

A VFD does not have any components that are required to be modelled.

Relationships

Core

Nil

Switch

1. A VFD must be (immediately) part of a Pump or Fan (or any of their subclasses)

   path: brick:isPartOf
   pathRequirements: [
        pathDistance: 1
   ]
   validationType: propertiesOfValues
   properties: [
     or (
        classOrSubClassOf: brick:Pump,
        classOrSubClassOf: brick:Fan
     )
   ]

Points

All

An entity of this type is expected to have a selection of points from this provided list. Any points assigned that are not on this list will throw a warning.

Point Name	Point Class
Active Energy Delivered	switch:Active_Energy_Delivered_Sensor
Active Power	Active_Power_Sensor
Cold Plate Temperature	switch:Cold_Plate_Temperature_Sensor
Current	Current_Sensor
DC Ripple Voltage	switch:DC_Ripple_Voltage_Sensor
DC Voltage	DC_Bus_Voltage_Sensor
Demand Active Power
Demand Apparent Power
Electrical Energy Used	switch:Electrical_Energy_Usage_Sensor
Enable Command	Enable_Command
Enable Status	Enable_Status
Fault Mode	switch:Fault_Mode_Status
Fault Status	Fault_Status
Frequency	Frequency_Sensor
Heatsink Temperature	Heat_Sink_Temperature_Sensor
Mode
Motor Temperature	switch:Motor_Temperature_Sensor
Override Mode	switch:Override_Mode_Status
Override Status	Overriden_Status
Power Supply Status
Reverse Command	switch:Reverse_Direction_Command
Rotation Direction Status	switch:Rotation_Direction_Status
Run Command	On_Off_Command
Run Status	On_Off_Status
Speed	Speed_Sensor
Speed Command	switch:Speed_Command
Torque	Torque_Sensor
Total After Hours Mode Runtime
Total Runtime	Run_Time_Sensor
Total Start Count
Voltage	Voltage_Sensor

Minimum Set

The minimum selection of points Switch Automation expects to see on an entity of this type.