proto
steam header pump vfd freq sensor point
implements
| freq | 
 Occurrences per unit time  | 
|---|---|
| header | 
 Pipe used as central connection or manifold for other piping runs  | 
| point | 
 Data point such as a sensor or actuator  | 
| pump | 
 Pump equipment or control point  | 
| sensor | 
 Point is a sensor, input, AI/BI  | 
| steam | 
 Water in its gas form  | 
| vfd | 
 Variable-frequency drive  | 
| vfd-freq | 
 VFD frequency measured in "Hz"  |