Setup Page "System - Siemens Simatic M7-400 Reference Manual

Programmable controllers module specifications

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CPUs for M7-400

Setup Page "System"

Opening the Setup Page

If you have selected "System" and activated the OPEN button in the Setup menu

(Figure 11-9 on page 11-23), this setup page appears on the screen

(Figure 11-19).

Figure 11-19 "System" Setup Page

What is the Purpose of the Setup Page?

On this page, you make the settings for the cache memory, the system ROM, and

the video ROM. We recommend you use the default settings (see Figure 11-19).

System Cache

System Cache offers you the following possible selections:

By Activating the Option Button...

Primary only

Primary and Secondary

Secondary Cache Size

Indicates the size of the secondary cache memory. This field is for information only

and cannot be edited.

You Can Switch...

all cache memory off,

only the process-oriented cache on,

both the internal and external cache on. If

Size 0 is displayed for Secondary Cache,

only the Primary Cache can be switched on.

S7-400, M7-400 Programmable Controllers Module Specifications

A5E00069467-07

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