Siemens Panel PC 870 appendix An installation angle of ±15 is permitted in this position

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

Additional permissible installation position for the computer unit complying with UL508/CSA 22.2 No. 142

An installation angle of ±15° is permitted in this position.

Position 5 (interfaces at bottom)

Figure 1–10 Additionally permissible installation positions for the computer unit in a decentralized design

Select an appropriate installation location 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 location, ensure that the switching cabinet/panel contains reinforcement bars to stabilize the cut-out. If necessary, install such reinforcement bars.

Figure 1–11 below contains the dimensioning for the holes for the screw mountings.

1–12 SIMATIC Panel PC 670/870 Start-Up Instructions