Communication
11.2 PROFINET
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
819
Testing the PROFINET network
After completing the configuration, download the project (Page 216) to the CPU. All IP
addresses are configured when you download the project.
Assigning an IP address to a device online
The S7-1200 CPU does not have a pre-configured IP address. You must manually assign an
IP address for the CPU:
● To assign an IP address to a device online, refer to "Device configuration: Assigning an
IP address to a CPU online" (Page 813) for this step-by-step procedure.
● To assign an IP address in your project, you must configure the IP address in the Device
configuration, save the configuration, and download it to the PLC. Refer to "Device
configuration: Configuring an IP address for a CPU in your project" (Page 814) for more
information.
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