Siemens PC 670 - Manual (Page 30)

Starting Up the Computing Unit Release 04/02
2-6 Panel PC 670 Computing Unit, Equipment Manual
Additional permissible installation position for the computing unit complying
with UL508/CSA 22.2 No. 142
An installation angle of
±
15
_
is permitted in this position.
Position 5
(interfaces at bottom)
Note
The possible installation locations for the computing unit do not agree with the
permissible installation location of Panel PC 670 (refer to the commissioning
instructions).