tia-networks

tia-networks

Scope

Topology and low-level network engineering — full C# Openness implementation.

When the roadmap routes here, the entire solution is C#. Do not mix with Python wrapper calls. Always load tia-csharp-common first (done by roadmap).

Reference files

Load ONLY the reference file(s) relevant to the task. Do not load all files at once.

| Reference file | Load when the task involves | |---|---| | references/subnets-and-nodes.md | Reading/writing subnet attributes (name, type, PROFIBUS bus params, isochronous settings); accessing node attributes (IP address, PROFINET device name, node type); SubnetOwner service | | references/io-systems.md | PROFINET IO system attributes; DP master system (IoSystem) attributes; TransferArea creation/deletion on PN or DP interfaces | | references/addresses-and-channels.md | Address objects (StartAddress, IoType, Length, IsochronousMode, ProcessImage); channel access (ChannelType, ChannelIoType); AddressController service | | references/io-timing.md | IoConnector timing/watchdog attributes (PnUpdateTime, PnWatchdogFactor, RtClass, SyncRole); IO device interface isochronous settings (PnSendClock, IsochronousTi, IsochronousTo) | | references/communication-connections.md | Configuring and inspecting S7, FDL, ISO, ISO-on-TCP, TCP, UDP, PTP, and HMI communication connections through CommunicationManagement.Connections | | references/online-connection-configuration.md | Choosing/inspecting online connection paths with ConnectionConfiguration: modes, PC interfaces, target interfaces, subnets, gateways, accessible devices, and ApplyConfiguration |

For tasks spanning multiple areas, load all relevant reference files before generating code.

Execution pattern

1. Access devices and device items from Project.Devices
2. Navigate network interfaces and nodes via Openness HW namespace
3. Use GetService<SubnetOwner>() to access subnets owned by a device item
4. Use GetService<NetworkInterface>() to access the network interface
5. Create or modify IO systems, subnets, nodes as needed
6. Modify addresses or channel timing via deviceItem.Addresses / deviceItem.Channels
7. Use GetService<CommunicationManagement>() for configured communication connections
8. Use OnlineProvider.Configuration only for online connection-path selection, not for

project topology creation

1. Compile hardware after changes (see tia-project-general/references/compile.md)