Electronic Components - Festo VIFB-02 Series Manual

VIFB8 – 02
9706
3. Technical description

Electronic components

Operating voltage
Electronic components
and inputs
(Pin 1 – Operating
voltage connection)
• Rated value
(protection against
incorrect polarity)
• Tolerance
• Residual ripple
• Current capacity (at 24 V)
Valve terminal/
Valve sensor terminal
Power consumption (P)
• Calculation
Power failure
holdup time
Operating voltage
outputs
(Pin 2 – Operating
voltage connection)
• Rated value
(protected against
incorrect polarity)
• Tolerance
• Residual ripple
• Current capacity (at 24 V)
Power consumption (P)
• Calculation
DC 24 V
± 25 % (DC18 V . . . 30 V)
± 4Vss
200 mA
200 mA + sum of
current capacity of inputs
P[W] = (0.2 A +
∑ I ) ⋅ 24 V
Inputs
min. 20 ms
DC 24 V
± 10 %
(DC 21.6 V . . . 26.4 V)
± 4 Vss
10 mA
+ Sum
current capacity
additional outputs
+ Sum
current capacity
of switched valve
solenoid coils (per valve
solenoid coil 120 mA)
P[W] = (0.01 A +
∑ I
+
Additional outputs
∑ I
) ⋅ 24 V
Solenoid coil
3-11