background image

(2) When using remote sensing function

n

n

Even a slight difference in output voltage can affect the balance

between the values of I and I .

Please make sure that the value of I does not exceed the rated

current of a power supply.

I

the rated current value

1

2

3

3

Series operation is available by connecting the outputs of two or

more power supplies, as shown below. Output current in series

connection should be lower than the lowest rated current in each

unit.

(a)

l

LDA30F - LDA300W

LDA-23

C

+M

+S

Attention for
connection

+

Attention for
connection

Use twisted-pair wire or shielded wire

-S

-M

-

+

Load

(-)

(+)

R

l

LDA10F LDA15F

n

Series operation is available by connecting the outputs of two or

more power supplies, as shown below. Output current in series

connection should be lower than the lowest rated current in each

unit.

When the output voltage is less than 5V

3 Series Operation and

Parallel Operation

When the output voltage is more than 12V

D1 - D4: Please use schottky Barrier Diode.

n
n

Parallel operation is not possible.

Redundancy operation is available by wiring as shown below.

n

Even a slight difference in output voltage can affect the balance

between the values of I and I .

Please make sure that the value of I does not exceed the rated

current of a power supply.

I

the rated current value

1

2

3

3

(b)

D1 D2: Please use schottky Barrier Diode.

n
n

Parallel operation is not possible.

Redundancy operation is available by wiring as shown below.

LDA

I

2

I

1

I

3

-

-

+

Power
Supply

Power
Supply

+

Load

I

2

I

1

I

3

-

-

+

Power
Supply

Power
Supply

+

Load

Power
Supply

+

Power
Supply

+

Load

D1

D2

D4

D3

+

-

+

-

Power
Supply

Power
Supply

Load

D1

D2

Load

Load

Power
Supply

+

Power
Supply

-

-

+

Power
Supply

+

-

Load

Power
Supply

+

-

-

-

Instruction Manual

AC-DC Power Supplies Open Frame/Enclosed type

June 29, 2011

Содержание LDA100W

Страница 1: ...d converter 7 5 3 6 2 4 140 140 140 60 500 45 400 frequency Switching Circuit method Forward converter Forward converter Forward converter Flyback converter Flyback converter A 1 8 1 3 0 8 0 37 0 25 c...

Страница 2: ...LDA 26 LDA 20 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 Input voltage range Installation method Inrush current limiting Derating Mounting screw Overcurrent protection Overvoltage protection Output voltage adjus...

Страница 3: ...L AC N Frame ground AC L AC N Frame ground AC L AC N Frame ground AC L AC N Frame ground AC N AC L Frame ground t t Output t t t t t t t Output t t Output Output t t t t t t t t Output Output t t AC...

Страница 4: ...15 15 15 15 15 30 30 30 AC200V 30 30 30 30 30 30 30 30 LDA LDA LDA LDA LDA LDA LDA LDA 10F 15F 30F 50F 75F 100W 150W 300W Fig 2 1 Current foldback characteristics Note In case of nonlinear load the o...

Страница 5: ...12 5V current limit resistance R is not re quired However when external power source exceeds 12V LDA300W 12 5V current limit resistance R must be con nected To calculate the current limit resistance...

Страница 6: ...lowest rated current in each unit When the output voltage is less than 5V 3 Series Operation and Parallel Operation When the output voltage is more than 12V D1 D4 Please use schottky Barrier Diode n...

Страница 7: ...sis keep the distance between l l for to insulate between lead of component and metal chassis If it is less than l l insert the insulation sheet between power supply and metal chassis 1 2 1 2 4 2 Dera...

Страница 8: ...nted parts at front side where major components are mounted when a power supply is installed with them 4 3 Mounting screw lLDA10F nWhen unit mounted except below drawings it is required to con sider v...

Страница 9: ...g the safety agency connect the input FG terminal to safety ground of the unit n n n This power supply is the rugged PCB type Do not drop conduc tive objects in the power supply At light load there re...

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