Siemens S7-400 ユーザーズマニュアル

11-1

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

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.

11.1

Performance Features

11.2

Technical Specifications

11.3

Function Elements

11.4

The BIOS Setup

11.5

I/O Addresses, Main Memory and Interrupt Assignments