Application Planning
3.5 Permitted mounting positions
SIMATIC Box PC 827B
Getting Started, 07/2008, A5E01127540-02
19
Additional PC mounting positions according to UL508/CSA 22.2 No. 142
An inclination of ±15° is allowed in this mounting position.
Position 4 (ports facing down)
CD/DVD drive cannot be operated.
Position 5 (ports facing above)
CD/DVD drive cannot be operated.
Note
CD/DVD and floppy drives cannot be operated in this position. The CD drawer opens upward
or downward which can lead to mechanical damages in the drawer mechanism.
NOTICE
When using the device in the area of Industrial Control Equipment (UL 508), ensure that the
it is classified as "Open Type". A mandatory requirement for approval or operation
according to UL 508 is therefore installation of the device in an enclosure certified for UL
508.
NOTICE
Mounting positions 4 and 5 are also permitted for the Information Technology Equipment
area when the device is mounted in an enclosure that fulfills the requirements stipulated by
sections 4.6 and 4.7.3 of IEC/UL/EN/DIN EN 60950-1.
