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Purpose
An Asset Type that is derived from another Asset Type (and inherits all the properties and sub items of the original Asset Type) is a Sub Asset Type of the original Asset Type.
For example, an “AC Motor” Asset Type that is derived from the “Motor” Asset Type is a sub Asset Type of the “Motor” Asset Type.
An Asset Type can be re-used to create a Sub Asset Type of the Asset Type, which inherits all the properties and sub items of the parent Asset Type. The properties of the Sub Asset Type and its sub items are refined or customised to a greater level of detail.
This allows a Sub Asset Type with specific properties and sub items to be selected for an Asset Type Placeholder or In-place Asset Type in the Asset Type Tree, or a Filled Asset Placeholder in the Asset Tree.
The Asset Type on which an Asset in the Asset Tree is based must be at the lowest level of Sub Asset Type.
In the following example, the “Pumps” Asset Type is re-used to create a Sub Asset Type for each type of pump; Steam Pumps, Kinetic Pumps, Reciprocating Power Pumps, Rotary Pumps and Vertical Pumps.
The Asset Type for each type of pump is re-used to create a Sub Asset Type at a greater level of detail for each type of pump; Sub Asset Types of the “Kinetic Pumps” Asset Type are created for a “Centrifugal Pump”, “Regenerative Pump” and “Special Effects Pump”.
Each Sub Asset Type inherits all the properties and sub items of its parent Asset Type and, if applicable, new properties and sub items can be added, or existing custom properties and custom sub items can be removed.
Please note!
Sub Asset Types only apply to Asset Types.
Sub Asset Types can be configured at multiple levels in Asset Type model for an Asset Type.
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In this example, Asset Types for all types of motors in a plant or factory are defined by following this process. 1. Define the Asset Type for a generic motor that contains the most common properties of all motors in the plant or factory. 2. Create a Sub Asset Type of the generic “Motor” Asset Type called “AC Motor” Asset Type. The “AC Motor” is a Sub Asset Type of the “Motor”, and the “Casing” Component is inherited from the generic “Motor” Asset Type. 3. Add additional Components that are specific to the “AC Motor”, for example the “Stator” and “Rotor”. 4. Create a Sub Asset Type of the generic “AC Motor” Asset Type called “GE AC Motor” Asset Type. The “GE AC Motor” is a Sub Asset Type of the “AC Motor”, and the “Casing” Component is inherited from the generic “Motor” Asset Type. 5. Add additional Components that are specific to the “GE AC Motor”, for example the GE Shaft and GE Bearing. The final Asset Type Tree for the “Motor” is as follows:
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