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Release 03/2004
Operating Instructions (Compact) OP 77B
3–4
6AV6691-1EA01-0AB0
Caution
The degree of protection against water and dust can
only be guaranteed when the following is maintained:
•
Material thickness for the installation cut-out
2 mm to 6 mm
•
Deviation of the installation cut-out to the horizontal
plane in respect of the overall dimensions of the HMI
device:
≤
0.5 mm
•
Permissible surface roughness in the area of the
installation seal:
≤
120
µ
m (R
z
120)
An installation cut-out complying to the figure below is
required:
135 +1
17
1 +1
Figure 3–3
Installation cut-out
Ensure that the switching cabinet has enough space to
allow a sufficient circulation of air.