Siemens Simatic PC Panel PC 870 Start-Up Instructions page 12

Unpacking and Installing the Panel PC 670/870
Installation angle
Warning
If the Panel PC 670/870 is installed in a position which is not permissible, all
approvals complying with UL 1950 and EN 60950 are annulled.
The Panel PC 670/870 is available in two different designs:
Panel PC 670/870 in a centralized design –
computer and operating unit from one unit.
Panel PC 670/870 in a decentralized design –
computer and operating unit are assembled spatially separated.
The following installation angles are permitted according to the respective design of
the Panel PC 670/870:
1. Panel PC 670/870 in a centralized design
Figure 1–4
Vertical installation as well as deviations up to ±20° in the indicated directions
are permitted.
1–4
Permissible installation angles for the Panel PC 670/870 in a centralized
design
+20°
SIMATIC Panel PC 670/870 Start-Up Instructions
Release 11/02
Step 4
–20°