Dimensions Of Modules In The M7-400 System - Siemens S7-400 Installation Manual

Assembling the M7-400
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

CPU 486-3 (incl. mode switch)
CPU 488-3 (incl. mode switch)
Expansion Module
EXM 478
Mass Storage Module
MSM 478
AT Adapter Module
ATM 478
* The mounting depth is governed by the installed AT card and its connector.
8-4
Module
S7-400 and M7-400 Programmable Controllers Hardware and Installation
Slots Height
Occupied
2
290 mm
1
Depth (Depth
when Fitted)
219 mm 219 mm
(236.5 mm)
210 mm 210 mm
(227.5 mm)
230 mm*
(247.5 mm*)
A5E00069481-04