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A. Technical appendix
Festo P.BE−VIFB5−03−EN en 0503e
Calculating with the graph
Proceed as follows:
1. Calculate the maximum current consumption of the out
puts/valves (I
).
2
2. Calculate the lowest voltage to be expected during oper
ation (VB
) on thepower unit. When doing this, please
min
note:
the load dependency of the power unit
the fluctuations in the primary mains voltage
3. Read off the permitted cable length for your cross−
sectional area in the relevant table.
Example for 1.5 mm
V
= 22.8 V, I
Bmin
2
:
= 2 A; L
= 25 m
2
max
A−7
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