Installing the S7-400

4.Attach the dummy plates to the free slots:

--Place the dummy plates on the rear wall of the cable routing,

--Push the dummy plates back so that the noses of the dummy plates will fit into the cutouts provided,

--Push the dummy plates in until the snap-in mechanism engages in the openings on the back of the cable routing.

5.Then install the fan assembly in the 19-inch pitch directly under the rack or between two racks. Use M6 size screws for mounting.

The following figure shows how to mount the fan subassembly between two racks.

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Blanking

 

 

 

 

 

 

 

 

 

cover

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19-inch

 

 

 

 

 

 

 

 

 

reference level

6.Refit the left cover.

7.Secure the left cover with the quick-release lock.

Monitoring the Fan Subassembly

To monitor the functioning of the fan subassembly via your program, connect the outputs to a digital module.

Further details on the monitoring concept can be found in the Reference Manual, Chapter 9.

Automation System S7-400

Hardware and Installation

2-23

A5E00850741-01

 

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Image 39
Siemens S7-400 installation manual Monitoring the Fan Subassembly