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11 cpus for m7-400, Cpus for m7-400 – Siemens Simatic S7-400 User Manual

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11-1

S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07

CPUs for M7-400

In this Chapter

This chapter describes the CPUs of the M7-400 automation computer:

CPU 486-3,

CPU 488-3,

The CPUs differ essentially in their clock frequencies. You will find a comparison of
their performance features in Table 11-1.

The tables in Sections 11.1 and 11.2 give an overview of the performance features
and technical specifications of the CPUs.

Following this overview, the modules are described in detail.

Chapter Overview

Section

Description

Page

11.1

Performance Features

11-2

11.2

Technical Specifications

11-3

11.3

Function Elements

11-4

11.4

The BIOS Setup

11-16

11.5

I/O Addresses, Main Memory and Interrupt Assignments

11-40

11

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