Siemens Memory Service Manual download pdf (Page 9)

Structure and Use of the CPU Memory

Function Manual, 01/2013, A5E03461664-01

Memory areas and retentive memory

2.1 CPU memory areas

Introduction

This chapter describes the memory structure of S7-1500 CPUs.

CPU memory areas

The following figure shows the CPU memory areas and the load memory on the SIMATIC

memory card. In addition to the load memory, the SIMATIC memory card may also contain

other data, such as recipes, Data Logs and HMI backups.

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Figure 2-1 CPU memory areas

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 39 40

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Siemens Memory Service Manual Page 9