CPUs for M7-400
11-38
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
11.4.13 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... You Can Switch...
Disabled all cache memory off,
Primary only only the process-oriented cache on,
Primary and Secondary both the internal and external cache on. If
Size 0 is displayed for Secondary Cache,
only the Primary Cache can be switched on.
Secondary Cache Size
Indicates the size of the secondary cache memory. This field is for information only
and cannot be edited.
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