Siemens PC 670 Wartungshandbuch Seite 67

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Computing Unit Expansions
4-15
SIMATIC Panel PC 670 Computing Unit Equipment Manual
Edition 12/01
4.4.1 Removing and Installing the Device for Holding Down the
Modules
Use of devices for holding down the modules increases the resistance of the
modules to vibration. The device for holding down the modules is attached to the
system housing with a screw. It has three slits, through which the slide elements
are inserted.
Proceed as follows:
1. Open the housing as described in section 4.1.
2. Undo the fixing screw of the device for holding down the modules.
3. During assembly, ensure that the device for holding down the modules is
resting on the guide on the system housing.
Guide slits for slide elements
Fixing screw of device for
holding down the modules.
Figure 4-11 Removing and Installing an Expansion Board
Note
The slide elements are in the enclosed bag.
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