Siemens simatic hmi op27 Equipment Manual page 118

Mechanical Installation
Location
The OP27 is designed for vertical installation in the front panels of switching
and installation
cabinets.
conditions
The OP37 can also be installed in 19" panels/racks.
Cut a mounting slot in the front panel in preparation for installation of the OP.
The thickness of the front panel must not exceed 6 mm. No other drilled holes
are required for mounting.
Details on the mounting depth and mounting cutout are provided in Chapters
16 and 17.
!
Degree of
The IP65 degree of protection for the front panel can only be assured when the
protection
seal on the front plate of the OP fits properly.
Before installing
If the labeling of the function keys needs to be modified, replace the labeling
strips before installing the OP. Information on replacing the labeling strips is
provided in Chapters 16 and 17.
OP27, OP37 Equipment Manual
Release 05/99
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Caution
S
The OP must be brought to room temperature before it is commissioned. If
condensation forms, do not switch on the OP until it is absolutely dry.
S
To prevent the OP from overheating during operation,
– the angle of inclination specified in the technical data must not be
exceeded,
– do not expose the OP to direct sunlight,
– make sure that the ventilation slots in the housing remain free after
installation.
S
When the cabinet is opened, certain parts of the system that may conduct
hazardous voltage are exposed.
S
The OP was function-tested before shipping. Nevertheless, if a fault does
occur, please enclose a full account of the fault when returning the OP.
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