Siemens S7-400 - Dimensions of Modules in the M7-400 System

Assembling the M7-400
8-4
S7-400 and M7-400 Programmable Controllers Hardware and Installation
A5E00069481-04
Dimensions of Modules in the M7-400
There are modules of 25 mm and 50 mm in width in the M7-400 system.
Table 8-3 contains a summary of dimensions of the modules used in the M7-400.
Table 8-3 Dimensions of Modules in the M7-400 System
Module
Slots
Occupied
Height Depth (Depth
when Fitted)
CPU 486-3 (incl. mode switch)
219 mm
CPU 488-3 (incl. mode switch)
2
219 mm
(236.5 mm)
Expansion Module
EXM 478
210 mm
Mass Storage Module
MSM 478
1
290 mm
210 mm
(227.5 mm)
AT Adapter Module
ATM 478
230 mm*
(247.5 mm*)
* The mounting depth is governed by the installed AT card and its connector.