Siemens Panel PC 870 appendix Select installation cut-out, Step

Unpacking and Installing the Panel PC 670/870 Release 11/02

Select installation cut-out Step 6

Apples to the computer in a decentralized design:

No installation cut-out is required for the computer. Skip this working step. Applies to both centralized and decentralized designs:

Select an appropriate installation area taking the installation notes and selected installation angle into account.

Note

Ensure sufficient air volume for heat transportation within the switching cabinet/panel. Further information on this is available in the Panel PC 670/870 Operating Unit Equipment Manual, Chapter 2.4.

Also ensure sufficient free space to pull out the Panel PC 670/870 from the installation cut-out.

When selecting the installation cut-out, ensure that the switching cabinet/panel contains reinforcement bars to stabilize the cut-out. If necessary, install such reinforcement bars.

Figure 1–6 below contains:

•the dimensioning of the holes required for the retaining screws and

•the dimensioning of the pressure points of the screws regarding the clamping saddles.

1–6 SIMATIC Panel PC 670/870 Start-Up Instructions