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Rockwell Automation 1734-AENT POINT I/O EtherNet/IP Adapter Module User Manual

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Publication 1734-UM011D-EN-P - May 2011

x Preface

TCP/IP

The transmission control protocol/internet protocol is a

transport-layer protocol (TCP) and a network-layer protocol (IP)

commonly used for communication within networks and across

internetworks.

Transaction

An exchange of request and data and response and data.

UDP

The user datagram protocol (UDP) is a transport protocol that

provides a very simple but fast capability to send datagrams between

two devices. It is used for I/O (implicit) messaging in EtherNet/IP.

Term

Definition