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3 Pump controller fields of application and layout
36
bplogic intelligent pump controller
18/02/2021
3.2.9 Connections and interfaces
The power is supplied to the pump controller and connections (except for ETH
2 ethernet and WLAN) are established via the I/O level
Section
. The pump controller has two separate
circuits for internal power supply:
Section
“Power supply for actuators, sensors and logic”
on page 36
3.2.9.1
Pump controller power supply
The pump controller requires 24 V DC. This is supplied by the power module.
Design the 24 V power supply as protective extra-low voltage (PELV) or safety
extra-low voltage (SELV protection class III).
3.2.9.2
Power supply for actuators, sensors and logic
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Fig. 12: Connection diagram for sensors and actuators
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