First Power-On Of The Cpu - Siemens SIMATIC S7-1500/ET 200MP System Manual

12.3.2

First power-on of the CPU

Requirements
• An S7-1500 automation system has been installed.
• The system has been wired.
• The SIMATIC Memory Card is inserted in the CPU.
Procedure
Proceed as follows to commission the CPU:
• Switch on the system power supply and load current supply.
Result:
• The CPU executes a flash test:
– All LEDs flash at 2 Hz
– RUN/STOP LED flashes alternately yellow/green
– ERROR LED flashes red
– MAINT LED flashes yellow
• The CPU performs the system initialization and evaluates the SIMATIC Memory Card:
– RUN/STOP LED flashes yellow at 2 Hz
• After the system initialization has been completed, the CPU goes to STOP mode:
– The RUN/STOP LED lights up yellow
Automation system
System Manual, 01/2023, A5E03461182-AK
12.3 Procedure for commissioning the S7-1500 automation system
Commissioning
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