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!Pasted image 20231013152726.png

https://support.industry.siemens.com/cs/document/97553417/how-do-you-estimate-the-memory-requirements-of-your-project-in-the-load-memory-of-a-simatic-s7-1200-s7-1500-?dti=0&lc=en-LY

The memory of a Siemens S7-1500 PLC is divided into different areas:

  1. Load Memory (LM): This is where the user program and the system data are stored permanently.
  2. Work Memory (WM): This is used for temporary data storage and is divided into:
    • Program Memory: For storing the executable version of the user program.
    • System Memory: For storing system data temporarily.
    • Data Memory: For storing data blocks, data areas, and instance data.
  3. Retentive Memory: This memory area retains its data even after a power failure, and is used for data that needs to be preserved.

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Característica Siemens S7-1515 Siemens S7-1513
Display Sí Sí
Memoria de trabajo para código 500 KB 300 KB
Memoria de trabajo para datos 3 MB 1.5 MB
Tiempo de operación de bit 30 ns 40 ns