Electronic Components - Festo VIFB-02- Series Manual

VIFB1 – 02
> IFB1-02_BES_V_018474g1_1996-04N - Restored Document - 2011-12-15 <
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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 15
Output (P)
• Calculation
Power failure
bridging time
Operating voltage
outputs
(Pin 2 – Operating
voltage connection)
• Rated value
(protected against
incorrect polarity)
• Tolerance
• Residual ripple
• Current capacity (at 24 V)
Output (P)
• Calculation
DC 24 V
± 25 %
(DC18 V . . . 30 V)
± 4 Vpp
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 Vpp
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
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