
Installing the M7 Programmable Control Systems
3-17
System Software for M7-300 and M7-400 Installation and Operation
C79000-G7076-C850-02
Requirement
To update the firmware of an M7-300/M7-400 CPU or function module, you will
require a boot medium (floppy disk or memory card).
The update must be performed within the context of a project which contains the
M7 stations (CPUs or FMs) with a selected ”M7 Program”.
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Caution
Hardware damage:
The line power must on no account be switched off during the update as this could
result in damage to the module.
Loss of data:
After updating the firmware, you must run the BIOS setup and save your
configuration even if you choose to work with the default values (see Section 12.4
in the S7-400, M7-400 Programmable Controllers Module Specifications,
Reference Manual and Chapter 10 of the manual M7-300 Programmable
Controller, Installation and Hardware). Any changes made to the BIOS settings
before updating will be lost and must be entered again.
Figure 3-2 ”Update Firmware” Tab
Versions and Revision Levels
”Operating System Version in Programming Device” list field
Select here the version of the operating system that you want to install or have
already installed on your M7 programmable control system. This step is only
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