Assembling the M7-400
8-46
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
8.8 Replacing Modules and Submodules/Cards
Contents
This section explains
How to replace interface submodules,
How to replace CPUs or expansion modules of a module assembly,
How to replace memory cards,
How to replace a short AT card.
All other important information for replacing modules applies both to the S7-400
and the M7-400 modules and is described in Chapter 7.
Tool
To replace modules and submodules/cards, you need a cylindrical screwdriver with
3.5 mm blade width.
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