3 - 3 Ethernet Communications
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3
Connecting to Siemens PLCs
Siemens PLC Settings
Set the Ethernet port as shown below in the Hardware Configuration using the STEP7.
z Ethernet Interface unit settings
Set Ethernet interface unit as given below in the H/W Config by selecting [General] -
[Properties...].
Parameter Description Set value for this example
IP address IP address of the CP343-1 192.168.250.1
Subnet mask Subnet mask of the CP343-1 255.255.255.0
Communications cable
This is the connector used to connect the twisted-pair cable to the Ethernet.
• Electrical characteristics: Conforms to IEEE802.3 standards.
• Connector structure: RJ45 8-pin modular connector (conforms to ISO8877).
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