9-1
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Cable Duct and Fan Subassemblies
Chapter Overview
Section Description Page
9.1 Fan Monitoring in the Fan Subassemblies 9-2
9.2 Cable Duct; (6ES7408-0TA00-0AA0) 9-4
9.3 The 120/230 VAC Fan Subassembly; (6ES7408-1TB00-0XA0) 9-5
9.4 The 24 VDC Fan Subassembly; (6ES7408-1TA00-0XA0) 9-7
Characteristics
The cable duct and the fan subassembly have the following characteristics
• The air inflow area is variable.
• Shield and cable clamping are possible.
In addition, the fan subassembly has the following characteristics:
• Fans and filter frames can be replaced from the front during operation.
• The fan function is controlled by means of speed monitoring.
• Operation with filter frames is optional.
9
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