VPP 21.1
6.3
Operator Terminals with Touch Screen
Navigation Keys
DOK-SUPPL*-VPP*21.1***-PR02-EN-P
The operator terminals VPP 21.1 BP are equipped with a resistive 4-wire
touch screen, that allows the operation of the application software /
firmware via the touch-sensitive surface of the displays without keyboard
and mouse.
In addition, the following key blocks are available:
Key block "Machine"
Navigation key
Fig. 6-12:
Key blocks of the device variant VPP 21.1 BP
Three navigation keys without designation are arranged in the two handle
bars on the right and the left of the display. The function of the keys can
be specified by application programs.
The wiring of the contacts is described on page 6-7.
Display and Operating Components
6-11
Vpp21_bp_Tasten.fh9