First Power-On - Siemens SIMATIC S7-1500 Automation System System Manual

Commissioning
8.3 Commissioning procedure
Reactions after removing/inserting the SIMATIC memory card
When inserting and removing the SIMATIC memory card, the CPU automatically performs
memory reset, and then goes into STOP mode.
The CPU evaluates the SIMATIC memory card, and indicates this by flashing the
RUN/STOP LED.
Reference
Additional information on the SIMATIC memory card can be found in the SIMATIC memory
card (Page 135) section.
8.3.2

First power-on

Introduction
The following procedure describes the commissioning of the CPU.
Requirements
● An S7-1500 automation system is installed and wired
● SIMATIC memory card has been inserted into the CPU
First power-on of a CPU
Switch on the system power supply and load power 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
This is followed by system initialization with evaluation of 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
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S7-1500 Automation System
System Manual, 01/2013, A5E03461182-01