Communication
8.4 Ethernet
S7-200 SMART
System Manual, 09/2015, A5E03822230-AC
357
An Ethernet network is a differential (multi-point) network that can have up to 32 segments
and 1,024 nodes. Ethernet allows for data transfer at a high speed (up to 100 Mbit/s) and
long distances (Copper: Maximum approximately 1.5km; Optical: Maximum approximately
4.3km).
Possible Ethernet connections include connections for the following:
● Programming devices
● CPU-to-CPU GET/PUT communication
● HMI displays
TCP/IP Ethernet allows an S7-200 SMART CPU to be linked to an Industrial Ethernet
network.
The Industrial Ethernet network includes the following features:
● Communication based upon TCP/IP communication standards
● Factory installed MAC address
● Auto sensory full duplex or half duplex communications, 10 Mbits and 100 Mbits
● Multiple connections:
– Up to eight HMI connections
– One programmer connection
– Up to eight GET/PUT active connections
– Up to eight GET/PUT passive connections
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