Siemens Automation System S7-400 User Manual
Page 41
Installing the S7-400
2-25
Automation System S7-400 Hardware and Installation
A5E00850741-01
2.11
Choosing and Setting up Cabinets with the S7-400
Why Cabinets are Required
With larger installations and in an environment subject to interference or pollution,
you can install the S7-400 in cabinets. The requirements of UL/CSA are met, for
example, by an installation in cabinets.
Types and Dimensions of Cabinets
Observe the following criteria when selecting cabinet types and their dimensions:
• Ambient conditions at the point of installation of the cabinet
• Required clearances for the racks
• Total power dissipation of components contained by the cabinet
The ambient conditions at the point of installation of the cabinet (temperature,
humidity, dust, effects of chemicals, explosion hazard) govern the required degree
of protection of the cabinet (IP xx). Further information on degrees of protection
can be found in IEC 529 and DIN 40050.
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- 4200 Series (85 pages)
- SL4 (104 pages)
- Simens Gigaset WLAN dsl/cable SE551 (148 pages)
- ADVANCE NETWORK COMMUNICATIONS BOARD/DATANET 2000592-001 (72 pages)
- CL-110-I (129 pages)
- 5890 (102 pages)
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- 108 (143 pages)
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- 500 NIM (138 pages)
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- MC35 (228 pages)
- TC35 (39 pages)
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- 2602 (32 pages)
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- 300 (56 pages)