TIA Portal Multiuser Engineering

Scope

Multiuser Engineering workflows using the TIA Portal Openness API. Covers Local Sessions, Server Projects, and Multiuser Commissioning.

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Reference files

Load ONLY the reference file(s) relevant to the task.

Reference file	Load when the task involves
references/v21-api-surface.md	Comprehensive reference for Siemens.Engineering.Multiuser (LocalSession, ServerProject, MultiuserService).

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Key Workflows

Managing Local Sessions

1. Locate the MultiuserService on the Project.
2. Use LocalSession to interact with server projects.
3. Perform Update() to sync with the server.
4. CheckIn() changes to the server project.

Multiuser Commissioning

1. Access MultiuserCommissioningService for commissioning tasks.
2. Manage asynchronous execution states.

Enforcement

1. Always verify the LocalSession state before performing a CheckIn.
2. Use AccessOptions to handle conflicts during Update.