Requirements to be met by the power supply, Example of a power supply connection 1 – Festo Контроллеры двигателя SFC-LAC User Manual

Page 62

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3. Installation

3−8

Festo GDCP−SFC−LACI−DN−EN en 0812NH

Requirements to be met by the power supply

Voltage

Application

Currents

48 VDC
+5/−10Ă%

Load supply (pins A1, A2)

Nominal current (peak current): 10 A (20 A)
Internal fuse: 16 A slow−blow (external as an option)

24 VDC
±10Ă%

Logic supply (pins 1, 2)

Nominal current: 0.4 A
Peak current: 0.8 A (without local outputs)
Internal fuse: 4 A slow−blow (external as an option)

Local outputs OUT1/2

Supply via logic supply (pins 1, 2)
Max. 1 A permissible per output

Hardware enable (pins 3, 5)

Minimum switching current

Total current consumption 24 V

Dependent on the system architecture, up to 3.8 A

Tab. 3/4:

Requirements to be met by the power supply

Example of a power supply connection

1

Connect the earth
terminals of the
two power supply
units

2

External fuses
(as an option)

3

Switch for
hardware enable

4

Earth terminals
(only use one,
seeĂsection 3.3)

1 2 3 4

A1

5

A2

1

2

3

4

Fig. 3/2:

Power supply connection example

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