Siemens Simatic S7-400

Configuration Variants of the S7-400
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Automation System S7-400 Configuration and Use
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6.7 Mounting Dimensions of an S7-400 Assembly
Introduction
This chapter describes the varying mounting dimensions of an S7-400 assembly.
Mounting height
The mounting height of an S7-400 assembly is determined by the height of the
rack. The height of the rack is 290 mm.
Special Height
If you use a fan subassembly or a cable duct in a rack, the mounting height of the
rack increases by the mounting height of these components.
Mounting depth
The mounting depth of a S7-400 assembly is 227.5 mm. All connectors and plugs
are recessed and are within the maximum mounting depth.
Width of an S7-400 Assembly
The width of an S7-400 assembly is determined by the width of the rack used. The
mounting width is:
• 132 mm for a rack with 4 slots
• 258 mm for a rack with 9 slots
• 483 mm for a rack with 18 slots