Siemens Simatic M7-400 User Manual

Digital Modules
4-21
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Terminal Assignment and Block Diagram of the SM 421; DI 32 24 VDC
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Data register and bus control
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Figure 4-3 Terminal Assignment and Block Diagram of the SM 421; DI 32 24 VDC

Siemens Simatic M7-400 Specifications

General

Brand	Siemens
Model	Simatic M7-400
Category	Computer Hardware
Language	English