Technical data

Working with M7 Programmable Control Systems
25.3 M7-300/M7-400 Operating Systems
Programming with STEP 7
550 Manual, 05/2010, A5E02789666-01
Operating System
Configuration
Module /
Main Memory
PROFIBUS-DP and TCP/IP
Yes/No
Installation on
Mass Memory
M7 RMOS32 FM 356-4 / 4 MB
FM 356-4 / 8 MB
CPU 388-4 / 8 MB
FM 456-4 / 16 MB
CPU 488-3 / 16 MB
CPU 486-3 / 16 MB
No
Yes
Yes
Yes
Yes
Yes
Memory card ≥4 MB
or hard disk
M7 RMOS32
with MS-DOS
FM 356-4 / 8 MB
CPU 388-4 / 8 MB
FM 456-4 / 16 MB
CPU 488-3 / 16 MB
CPU 486-3 / 16 MB
No
No
Yes
Yes
Yes
Memory card ≥4 MB
or hard disk