Connection procedure (Ethernet)

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Connection procedure (Ethernet)

overview

In this article, we will explain how to connect to Siemens devices via Ethernet.

 

 

Compatible models

List of compatible devices

Connection method

Series/Model etc.

Connection Unit

Supported drivers

Ethernet

S7-300/400/1200/1500

・Equivalent to CPU attached port

Siemens - Ethernet

S7-300/400/1200/1500

 

[Connection protocol]

private

 

 

Settings Dialog Details

Ethernet Common

 

PC settings

c_plc_0583

 

 

•Computer IP address
The IP address of your computer. If you select Automatic, a default IP address will be set.

 

•Computer port number
Port number on the computer side. If you set it to "Automatic", an available port will be selected.
If you want to communicate using TCP instead of UDP, set it to Automatic.

 

Unit side settings

c_plc_0584

 

 

•Unit IP Address
The IP address of PLC.

 

•Ping test
Perform a ping test. If successful, it means that the network is physically connected.

 

•Unit Port Number
PLC port number. You can also use an environment variable.

 

Communication details

c_plc_0585

 

 

•Waiting time
Response timeout from PLC.

 

•Retry count
When a communication error occurs, the system will retry the specified number of times.

 

•protocol
Select UDP or TCP.

 

Communication details - Other detailed settings

c_plc_0804

 

•Minimum Communication Interval
Specifies the waiting time on the PC side after receiving a device value from PLC and before the next transmission.

 

•CPU Settings
Specifies the rack number and CPU slot number.
For the standard configuration of S7-300/400, specify 2 for "CPU Slot".
For the standard configuration of S7-1200/1500, please specify 1 for "CPU Slot".