12-1

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