Reference Manual

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Unit Description, PSU 1200 W

• input -48/-60 V DC

• output +27.2 V DC

• EPC Bus (Opto)

Note: The PSU has no backplane connections.

15.2.4 Indicators

There are three indicators located on the front panel:

Table 116

Indicator

Colour

Fault Red

Operational Green

EPC bus fault

Yellow

15.2.5 Input Data

Table 117 Input data

Nominal input voltage (-48) - (-60) V DC

Permitted variation input voltage

(-39) - (-72) V DC

Input Current

<36A

Inrush current

< 200 A

Efﬁciency

> 85%

Non-destructive voltage 0 - (-75) V DC

Max. power consumption 1411 W

Max. heat generation

211 W

15.2.6 Output Data

Table 118 Output data

Nominal output voltage +24 V DC

Factory set value +27.2 ±0.1 V DC

Voltage range

22.0 - 29.0 V DC

Output power

1200 W

Output current at 27.2

44.1 A

Output current at short circuit

<60A

EN/LZT 720 0008 P2A

2001-11-28

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