Manage Controller Communication
The controller provides connection resources whenever communication is established between two devices.
Connections are used when the system contains the following conditions or activities:
- I/O modules, communication modules, and adapters are present in the I/O configuration of the user project.
- Produced or consumed tags are configured in the user project.
- Connected Messages are executed in the user application.
- External devices, programming terminals, or HMIs communicate with the controller.
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