VR 21
Packaging and food processing machines
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Printing machines and paper converting machines
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Machine tools
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Wood processing machines
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The machine operator panels may only be operated under the mounting and in-
stallation conditions, the position, and the ambient conditions (temperature, de-
gree of protection, humidity, EMC etc.) specified in this documentation.
5 Spare Parts, Accessories and Wear Parts
5.1 External 24 V Power Supply Unit
Order code
VAP01.1H-W23-024-010-NN
Tab. 5-1: External 24 V power supply unit for the operating panel
5.2 Wear Parts
Wear parts are not subject to any warranty.
Backlight
The service life of the backlight is limited. After this time has been exceeded,
the backlight will produce only 50 % of its original brightness. The service life of
the following table refers to an ambient temperature of 25 °C.
Display size
107.95 mm (4.3")
177.8 mm (7")
228.6 mm (9")
Tab. 5-2: Half-life period of the TFT displays
Touch screen
After 3 million touches, no damage or malfunction have occured under the fol-
lowing conditions:
Touch element: R8, HS40 silicone rubber
Touch pressure: 150 g
Touch frequency: 3 Hz
DOK-SUPPL*-VR21**.01**-IT02-EN-P
Spare Parts, Accessories and Wear Parts
Parts number
Description
R911171065
External 24 V power supply unit for the
IndraControl V devices
Bosch Rexroth AG
Service life
40,000 hours
40,000 hours
70,000 hours
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