Siemens Simatic 620 - Manual (Page 64)

SIMATIC Box PC 620 Expansions
4-4
SIMATIC Box PC 620 Manual
A5E00131465-01
4.1.2 Opening the SIMATIC Box PC 620
To open the Box PC, proceed as follows:
1. Pull out the power supply connector, and remove all connecting cables from the
unit, including the keyboard cable.
2. Remove the PC from its mounting/cabinet (only necessary if screws which have
to be removed are inaccessible in the fitted position).
3. Undo the two screws (see fig. 5-1) on the housing cover.
4. Raise the cover slightly.
5. Then you can remove the housing cover.
Screws on the housing cover
Figure 4-1 Box PC 620 Prepared for Opening