The following table lists the elements that are available in a Diagram and the associated records that are created automatically in the GE Digital APM database when you add each element to the Diagram.
| Icon | Element | Record | Description |
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Start | None | Represents the starting point for all paths in the Diagram. This element is created by default when the Diagram is created. There is no record associated with this element, so any data that you enter for this element in the Properties grid will not be saved. |
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End | None | Represents the ending point for all paths in the Diagram. This element is created by default when the Diagram is created. There is no record associated with this element, so any data that you enter for this element in the Properties grid will not be saved. |
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Asset | System Asset | Represents a piece of equipment or location. An Asset element can either be imported from an Asset Strategy that exists within the GE Digital APM database, or it can be created from scratch. |
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Buffer | System Buffer | Represents an intermediate storage container between two other elements. |
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Link | System Link | Connects other elements that work together to produce output. |
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Sensor | System Sensor | Detects the failure of a piece of equipment and location and notifies Switches of the failure. A Sensor cannot be connected to any other elements in the Diagram. Its purpose is to monitor other elements for failures. If an Asset element in the Diagram fails, the Sensor that is monitoring that element will activate designated Switches to start elements running and deactivate other Switches to put other elements in standby. |
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Switch | System Switch | Represents a component that is activated or deactivated by a Sensor when a failure occurs. Switches allow you to connect or disconnect an entire branch of the Diagram when failures are detected. |
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Subsystem | System Subsystem | Represents a collection of equipment and locations. After the Diagram is created automatically, additional System Subsystem elements can be created by importing Asset or System Strategies into the Diagram. |
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