Festo VABF-S4-CB-VH Series, Instructions & Operating

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Byte Bit Description
A4 39
…
32 Process quality critical limit
A3 31
…
24 Switching point B1
A2 23
…
16 Hysteresis A
A1 15
…
8 Switching point A1
7
…
3 Not assigned
2 Air saving function
A0
1 Vacuum generation
0 Ejector pulse
Tab. 21 Process output data mode of operation PLC mode
9 Maintenance and care
Cleaning the device
1. Switch off operating voltage and compressed air.
2. Clean device with non-abrasive cleaning agents.
3. Check air filter at vacuum connection for contamination and clean if necessary.
10 Malfunctions
10.1 Diagnostics
Error
code
1)
Event type LED dis-
play
Status
2)
Description Remedy
11 Error
– –
Short circuit at valve
13 Error
– –
Wire break at valve
– Replace valve.
–
3) Error
– –
Internal communication
error – Check contacts and
interlinking screws.
– Error message,
check bus node.
28 Warning Flashing Illumin-
ated Vacuum value not
reached – Check for leakage.
29 Error
–
Illumin-
ated Parameter/teach-in
error – Check settings
(e.g. value range).
– Repeat teaching.
Maintenance and care
28 Festo — VABF-S4-...-CB-VH/VL-... — 2019-05