Asset Management Service¶
Independent of your domain, the Asset Management Service supports you in creating digital representations of your physical assets. Such assets could be valves, engines, gas turbines, trains or buildings. The level of detail depends on your use case.
For accessing this service you need to have the respective roles listed in Asset Management roles and scopes.
The API divides the functions into categories, for each category you can use a different controller. This section describes the controllers:
An aspect type is a template for creating multiple aspects with the same variables. They can be used in asset types. You can configure, read or delete your aspect types. An aspect type is accessed by its ID. There are predefined aspect types which are available for all users, but cannot be modified or deleted.
An asset type is a template for creating multiple assets with the same variables. You can configure, read or delete your types. An asset type is accessed by its ID.
The Asset Management Service provides basic asset types for users. These are predefined asset types, which are available for all users, but cannot be modified or deleted. The available basic asset types are documented in the References for Basic Types.
The Asset Management Service allows you to assign default values to static (non-time series) variables and static aspect types of an asset type. They are applied following a type-instance concept, so that newly created assets are automatically assigned the default values of their asset type. These values can be overwritten on instance level, if required. Refer to the Samples for Using Default Values in Asset Types to learn more about what you can do with default values.
In MindSphere the following types of assets are distinguished:
- Device types: represents a machine, or any object, from which data is collected
- Agent types: represents the agent (software or physical device) measuring and collecting data of devices, machines, etc.
- Hierarchy types: represents the hierarchy levels of an organization
- Application types: used by other services to collect data of their applications (e.g., Edge Analytics Application)
Using the Asset Management Service you can configure, read, manage, and assign existing files to assets. Deletion is supported for all assets, but root assets are deleted when their tenant is deleted.
The Asset Management Service supports hierarchical relationships between assets. Assets inherit their parent's type assignments, but not their assets. They can overwrite the inherited type assignments. The hierarchical path of an asset from the root down via all parent assets is stored in the
hierarchyPath field. This can be used as navigational aid. An example implementation of hierarchical asset relationships is provided in Modeling Hierarchical Asset Structures.
The structure of an asset can only be read, but not modified. It lists all aspects and variables without their values. You can configure the variables' values by updating the asset.
You can define the location of assets and update or delete the location data.
You can define whether an asset is the digital representation of an actual physical device (performance asset) or it is used for simulation (simulation asset).
You can upload files and assign these files to assets or asset types. Each file can have multiple assignments or none at all.
The Asset Management exposes its API for realizing the following tasks:
- Create asset types as templates for assets
- Define default values within asset types
- Create and manage assets
- Model complex asset structures using hierarchy
- Upload and assign files to assets
A brewery has moved a conveyor belt to a different location. A fixed installed camera takes images of the conveyor belt every 2 minutes.
The Asset Management API allows you to change the location of the conveyor belt. You can define a new aspect for the conveyor belt like production volume.
- IoT TS Aggregates Service
- Monitor and analyze values on the fly using Data Flow Engine
- Create events to document occurrences using Event Management Service
- Notify maintenance personnel in case of an event using Notification Service
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