Socket instruction transaction diagrams

The following diagram shows a typical sequence of socket interface transactions with the controller acting as a TCP client.

The following diagram shows a typical sequence of socket interface transactions with the controller as a TCP server.

The following diagram shows a typical sequence of socket interface transactions for UDP communications when using the Open Connection service to specify the destination address.

The following diagram shows a typical sequence of socket interface transactions for UDP communications without using the Open Connection service to specify the destination address. In this case, the controller specifies the destination for each datagram and receives the sender's address along with each datagram it receives.