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Mounting, demounting and electric installation
Fig. 10-8: Housing dimensions of the device VR4x21, top view
10.5 Installation notes
Provide a space of 50 mm on all sides for sufficient cooling and cable routing.
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The LED display on the operator panel must not be covered.
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Wire all cables in loops. Use strain reliefs for all cables.
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Install the operator display only vertically, with a max. deviation of ±45°,
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measured from the vertical.
Do not lay the CDI cables in parallel to motor cables or to other noise
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sources, as the CDI connection can be disturbed. Keep the maximum distance
possible from interference sources.
10.6 Installing components
10.6.1 Installing PCIe card
The steps 1- 4 are omitted if the box PC is not yet mounted into the control
cabinet.
1. Switch off the supply voltage.
2. If operated with a UPS, wait until the box PC switches off automatically.
3. Remove all plugs from the box PC.
4. Loosen the fastening screws of the box PC and remove the box PC from
the mounting panel.
5. Position the control cabinet on a plane support and ensure that the right
housing cover points up.
6. Touch the housing or ground connection (not the power supply) to
discharge any electrostatic charge from your body.
7. Remove the six M3 screws from the housing cover.
Bosch Rexroth AG R911384699_Edition 03
IndraControl PR4 and VR4 Control cabi-
548.8
547
269
net PC and panel PC
138.9
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