Siemens Simatic M7-400 Reference Manual page 471

M7-400 Expansions
Chapter Overview
Section
12.1
12.2
12.3
12.4
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Overview
EXM 478 Expansion Module; (6ES7 478-2AC00-0AC0)
ATM 478 AT Adapter Module; (6ES7 478-2CA00-0AC0)
MSM 478 Mass Storage Module; (6ES7 478-2BA00-0AC0)
Description
12
Page
12-2
12-6
12-15
12-22
12-1