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1. Installation
1.4
Power supply
1.4.1 Calculating the current consumption
Current consumption
Electronics and sensors (pin 1)
CDVI−DN
In the CP extension
1)
Valve terminal
or CP output module
1)
CP input module
1)
Sensors
on CP input module
Sum of pin 1
Valves and outputs (pin 2)
CDVI−DN: all energized simultaneously
2) 3)
Solenoid coils
In the CP extension
All solenoid coils energized simultaneously
1) 4)
All digital outpputs
Sum of pin 2
Total
1)
See technical specifications for the relevant product.
2)
The valves have one or two solenoid coils depending on the type.
3)
When switching on, with LEDs.
4)
If not with internal load voltage supply.
Tab. 1/8:
Calculating the current consumption
Festo P.BE−CDVI−DN−EN en 0404NH
Calculate the current consumption before selecting power
·
units, cables and fuses:
1)
______ x ______ mA
______ x __120_ mA
2) 3)
______ x ______ mA
______ x ______ mA
Sums
100
mA
___________ mA
___________ mA
___________ mA
= _________ mA
__________ mA
__________ mA
__________ mA
= _________ mA
= ________ mA
1−19
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