Phoenix Contact SCK-M-U-1500V Handleiding (128 Pagina's)

Handleiding

SOLARCHECK family

62

PHOENIX CONTACT 105608_en_01

6.8.2 Design of a separate power supply for the SCK-M-U-1500V

voltage measuring module

You can use the voltage measuring module as a simple analog measuring transducer out-

side of the SOLARCHECK device family. In this case, power is not supplied via the connec-

tion to the SCK-M-I-8S-20A SOLARCHECK current measuring module, but must be sup-

plied separately. A 24 V DC power supply must be provided. The typical current

consumption is 8 mA. The maximum current consumption is 65 mA. The maximum current

consumption only occurs, if the input voltage falls significantly below the specified minimum

input voltage U

N

.

Figure 6-17 Performance characteristics of the SCK-M-U-1500V voltage measuring

module

0

50

100

150

200

250

0 5 10 15 20 25 30 35

P [mW]

I [mA]

U [V]

U = 21,6…30 V

N

P [mW]

I [mA]

0

10

20

30

40

50

60

70

300

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