Assembling the M7-400
8-16
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
8.4.6 Assembling Expansion Modules on a Central Rack
Introduction
Before installing the M7-400 in the rack, you must preassemble the programmable
modules with all the required expansion modules.
This section contains the information you need to create a module assembly using
a central rack with expansion modules such as the EXM 478 expansion module,
ATM 478 AT adapter module, and MSM 478 mass storage module.
Order of Assembly
Proceed in the following order when assembling:
1. Remove the connector and socket covers from modules.
2. Remove the connecting clips fitted at the top and bottom of the module.
3. Remove module covers.
4. Position the modules on a level surface and plug them into each other.
5. Use connecting clips top and bottom to interconnect the modules.
The individual stages for installing an expansion assembly are explained below.
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