Siemens S7-400 Installation Manual page 40
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Also See for S7-400:
- Reference manual (472 pages) ,
- Hardware and installation manual (298 pages) ,
- Installation manual (228 pages)
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Installing the S7-400
Step 4: Mounting Additional Racks
If you assemble an S7-400 with two or more racks, you must allow additional
clearance between the individual racks or install a fan subassembly or cable duct.
The figure below shows the clearance you must allow between two racks of the
S7-400 during installation.
110 mm
2-14
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S7-400 and M7-400 Programmable Controllers Hardware and Installation
A5E00069481-04
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