8.3
Process data
Process input data
Byte
Bit
Description
E4
39
…
32
Error number
31
Diagnostic vacuum value A1
30
Diagnostic control parameters
29
Diagnostic parameters
28
Diagnostic air supply time exceeded by double
27
Diagnostic evacuation time twice as long as before
26
Diagnostic air supply time exceeded
25
Diagnostic evacuation time exceeded
E3
24
Diagnostic process quality
E2
23
…
16
Process quality [%]
E1
15
…
8
Pressure value [kPa]
7
…
3
Not assigned
2
Open load/short circuit
1
Switching output B
E0
0
Switching output A
Tab. 19 Process input data
Process output data
Byte
Bit
Description
A4
39
…
32
Not used
A3
31
…
24
Not used
A2
23
…
16
Not used
A1
15
…
8
Selection of parameter set
7
…
3
Not assigned
2
Not used
1
Vacuum generation
A0
0
Ejector pulse
Tab. 20 Process output data mode of operation data record mode
Parameter description
27
Festo — VABF-S4-...-CB-VH/VL-... — 2019-05
