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Operating Instructions
Chapter
3
AFS60/AFM60 EtherNet/IP
15
Product description
EtherNet/IP communication
EtherNet/IP is based on the standard Ethernet FRAME. This contains the Ethernet header,
the Ethernet data and the Ethernet trailer. The MAC addresses of the receiver (destination
address) and of the source (source address) are contained in the Ethernet header.
The Ethernet data field consists of several nested protocols:
The IP datagram is transported in the user data of the Ethernet data field.
The TCP segment or the UDP datagram are transported in the user data of the IP
datagram.
The CIP protocol is transported in the user data of the TCP segment or of the UDP
datagram.
Fig. 5: Ethernet FRAME
Fig. 6: Ethernet data field
Header
Transmission sequence
Data field
Trailer
46 … 1500 Byte
IP header
CIP header
IP datagram
TCP segment or UDP datagram
CIP protocol
TCP/UDP
header
CIP data
8018909/1EH9/2021-12-16
Subject to change without notice
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