Festo FB13 - Page 173

Operating voltage of electronic components
and inputs
(Pin 1 – operating
voltage connection)
• Rated value
(protected against
incorrect polarity)
• Tolerance
• Residual ripple
• Current consumption
(at 24 V)
• Fuse for
supply to inputs/
sensors
Power consumption (P)
• Calculation
DC 24 V
± 25 %
(DC18 V . . . 30 V)
4Vpp
200 mA + sum
of current consumption of
inputs
internal 2 A, slow blowing
P[W] = (0.2 A +
∑ I
Inputs
)
⋅
24 V
Bridging time if
logic voltage drops
min. 20 ms
Operating voltage of outputs/valves
(Pin 2 – operating
voltage connection)
• Rated value
(protected against
incorrect polarity)
• Tolerance
• Residual ripple
• Current consumption
(at 24 V)
Power consumption (P)
• Calculation
external fuse
required (typ. 10 A)
DC 24 V
± 10 %
(DC 21.6 V ... 26.4 V)
4 Vpp
10 mA
+ Sum of
current consumption of
electric outputs
+ Sum of
current consumption of
the switched valve
solenoid coils
(e.g. per MIDI valve
solenoid coil 55 mA
P[W] = (0.01 A +
∑ I
electric outputs
+
∑ I
solenoid coil
) ⋅ 24 V
VIFB13 - 03/05 Appendix A
A-4
9701 NH