Assembling the M7-400
8-9
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
8.4.2 Module Accessories
Introduction
The module packaging contains the basic accessories you need to install the
M7-400 modules in the rack. There are optional accessories for some modules.
Accessories
The accessories for the modules are listed and briefly explained in Table 8-5. A list
of spare parts for the SIMATIC M7-400 can be found in the
Reference Manual
,
Chapter 11.
Table 8-5 Accessories for Modules and Racks
Module
Accessories Provided
(Basic Accessories)
Accessories not
Provided
Purpose of the Accessory
CPUs 2 keys - The key serves to actuate the
mode switch for the CPU.
- Memory card For storing the user program with
power removed from the CPU.
- MEM 478 Main memory size is defined by
inserting the MEM 478 (DRAM or
flash EPROM) memory cards.
Expansion
Modules (EXM
478)
2 connecting clips
2 module covers
(fitted)
12 module covers
with screws
To cover unused card slots; two
module covers are already fitted
per expansion unit.
All Expansion
Modules
2 connecting clips - To secure the modules in a
module assembly, top and
bottom.
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