Festo IFB05-03 Manual page 130

A. Technical appendix
A−4
Operating voltage for electronics and inputs
(pin 1 operating voltage con
nection)
Rated value (protected
against incorrect polarity)
Tolerance
Residual ripple
Current consumption (at 24 V)
Fusing the power supply for
the inputs/sensors
Power consumption (P)
Calculation
Bridging time (drop in logic
voltage)
Load voltage for outputs/valves
(pin 2 load voltage connection)
Rated value (protected
against incorrect polarity)
Tolerance
Residual ripple
Current consumption (at 24 V)
Power consumption (P)
Calculation
24 V DC
± 25 % (18 V DC ... 30 V)
4 Vpp
200 mA + sum of internal current
consumption of inputs
2 A, slow−blowing
P[W] = (0.2 A + ∑ I
inputs
⋅ 24 V
min. 20 ms
External fuse required (typ. 10 A,
see circuitry example
chapter 3.2)
24 V DC
±10 % (DC 21.6 V ... 26,4 V)
4 Vpp
10 mA
+ Sum of current consumption
of outputs
+ Sum of current consumption
of switched valve solenoid
coils (e. g. per MIDI−valve
solenoid coil 55 mA)
P[W] = (0.01A
+∑I
electric outputs
) ⋅ 24 V
+∑I
Solenoid coil
Festo P.BE−VIFB5−03−EN en 0503e
)