3.3
Display components
1 LED ejector pulse (14)
2 Fault LED (red)
3 Status LED (yellow)
4 7-segment display
5 LED vacuum generation (12)
Fig. 2 Display components
7-segment display
The two 7-segment displays show the current pressure value of the vacuum in kPa. When the teach
event is active, the decimal point flashes. If the air supply or evacuation time is exceeded, the com-
plete display flashes.
Operating status
Display
Evacuation
[Vacuum value]
Pressurise
[-||-]
Teach process
alternately [vacuum value] or [t
E
]
Tab. 2 Behaviour of the 7-segment display
Product overview
8
Festo — VABF-S4-...-CB-VH/VL-... — 2019-05