CP7711-0000-0030 CP7721-0000-0030 CP7721-0001-0030 CP7721-0002-0030 Membrane Keypad Touchpad

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Cleaning the front screen

You can clean the front screen of Beckhoff HMI Keyboard CP7711-0000-0030 CP7721-0000-0030 CP7721-0001-0030 CP7721-0002-0030 Membrane Keypad Touchscreen during operation. In order to avoid inadvertent touch entries when doing this, you must first set the device to "Cleaning Mode" with the help of the Beckhoff Display Control Tool. Also make sure that you not only clean the display area, but also the edge of the glass pane. Impurities in the edge area or liquids that do not run down the glass pane as drops but as a long short-circuit bridge create an electrically conductive connection between Beckhoff HMI CP7711-0000-0030 CP7721-0000-0030 CP7721-0001-0030 CP7721-0002-0030 Operator Panel Keypad Touch Membrane area and the metal housing of the device. This unintentionally triggers a touch event at the edge of the touch screen, which can lead to incorrect operation.

Some components of CP7711-0000-0030 CP7721-0000-0030 CP7721-0001-0030 CP7721-0002-0030 Touch Digitizer Glass Switch Membrane may be subject to a limited service life if they are operated under certain conditions, such as at increased ambient temperatures during operation or during storage or during long periods of storage out of operation. Vicpas therefore recommends replacing Beckhoff Touch Panel CP7711-0000-0030 CP7721-0000-0030 CP7721-0001-0030 CP7721-0002-0030 Terminal Keypad Touch Screen Display after the time after which predictions of the remaining service life of such components can no longer be reliably calculated.