PET2000-NAS446

13

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© 2019 Bel Power Solutions

BCD.00974_002

PARAMETER

DESCRIPTION /

CONDITION

MIN

NOM

MAX

UNIT

AC Line to 90%

1.5

s

AC Line to 90%

PSON_L = Low

1.5

s

PSON_L = Low

50

150

1000

ms

See chapter

OUTPUT

See chapter

OUTPUT

AC drop without

0.5

17

ms

0.7

13

ms

5

ms

AC drop without

70

ms

Loss of AC to

See chapter

INPUT

Loss of AC to

See chapter

INPUT

Outputs in regulation to PWOK_H asserted

100

150

200

ms

Warning time from de-assertion of PWOK_H to

leaving regulation

0.15

ms

Loss of AC to PWOK_H de-asserted

10

ms

Time PWOK_H is kept low after being de-asserted

100

ms

Delay PSON_L active to

5

10

20

ms

Delay PSON_L de-asserted to

2

3

4

ms

Delay PSON_L de-asserted to PWOK_H de-asserted

1

2

ms

Time

1

s

Time

1

s

LED SIGNALING

No AC or AC Line in UV condition,

Off

PSON_L High

Blinking Green 1 Hz

Hot-Standby Mode

No AC or AC Line in UV condition,

Solid Amber

Over temperature shutdown

Output over voltage shutdown (

Output over current shutdown (

Fan error (>15%)

Over temperature warning

Blinking Amber 1 Hz

Minor fan regulation error (>5%, <15%)

Firmware boot loading in process

Blinking Green 2 Hz

Solid Green

Table 1. LED Status

8.6 LED INDICATOR

The front-end has one front LED showing the status of the supply. The LED is bi-colored: green and amber, and indicates AC

and DC power presence and warning or fault conditions.

Table 1 lists the different LED status.