Festo VIFB-02 Series Manual page 34

VIFB8 – 02
Size Pressure
Operating Pilot pressure
pressure
Auxiliary
pilot air
1/4"
2 ... 10 bar –
1/8"
1/4" 1.5 ... 10 bar
0 ... 10 bar
1/8" 2 ... 10 bar
1/4"
3 ... 10 bar –
1/8"
1/4"
-0.9 ... 10 bar 3 ... 10 bar
1/8"
1/4" 2 ... 10 bar
–
1/8"
1/4"
-0.9 ... 0 bar 2 ... 10 bar
1/8"
1/4"
3 ... 10 bar –
1/8"
1/4"
3 ... 10 bar –
1/8"
1/4"
3 ... 10 bar –
1/8"
9706
3. Technical description
Size of connection
with
(Pneumatic 2 and 4 12 and 14
spring) (work air) (Auxiliary pilot air)
G 1/4
–
G 1/8
G1/4
–
G1/8
G 1/8
– G1/4
G1/8
G1/4
3 ... 10 bar
G1/8
G1/4
–
G1/8
G1/8
G1/4
–
G1/8
G1/4
–
G1/8
G1/4
G1/8
–
G1/8
G1/4
–
G1/8
Notes:
Flow
Nominal Rated flow
size Switch position
1 2 or 1 4 2 3 or 4
[l/min] [l/min]
7 mm Q = 1300 Q = 1100
C = 1.32 C = 1.12
V V
5 mm Q = 750
C = 0.76
V
7 mm Q = 1300 Q = 1100
C = 1.32 C = 1.12
V V
5 mm Q = 750
C = 0.76
V
10 mm Q = 1600
C = 1.63
V
8 mm Q = 1000
C = 1.02
V
10 mm Q = 1600
C = 1.63
V
8 mm Q = 1000
C = 1.02
V
10 mm Q = 1600
C = 1.63
V
8 mm Q = 1000
C = 1.02
V
10 mm Q = 1600
C = 1.63
V
8 mm Q = 1000
C = 1.02
V
10 mm Q = 1600
C = 1.63
V
8 mm Q = 1000
C = 1.02
V
1
10 mm Q = 1600 )
C = 1.63
V
2
8 mm Q = 1000 )
C = 1.02
V
1
10 mm Q = 1600 )
C = 1.63
V
2
8 mm Q = 1000 )
C = 1.02
V
1
) Mid-position Q=1000, C =1.02
V
2
) Mid-position Q= 400, C =0.41
V
Times
Valve switching Reaction
times time
calculation
5 ON at OFF at
6 bar 6 bar
19 ms 41 ms
17 ms 36 ms
19 ms 41 ms
17 ms 36 ms
33 ms 40 ms
30 ms 100 ms
Field bus
33 ms 40 ms
transmission
time (see
30 ms 100 ms
PLC manual)
+ valve
18 ms
switching
times
Switch-
22 ms
over
time
18 ms
22 ms
27 ms 36 ms
30 ms 30 ms
33 ms 45 ms
40 ms 50 ms
32 ms 38 ms
40 ms 50 ms
3-17