Cosel PLA30F, PLA50F, PLA15F, PLA100F, PLA150F Instruction Manual

...

Basic Characteristics Data

Inrush

current

protection

circuit

PCB/Pattern

Material

Single

sided

Double

sided

Model Circuit method

Switching frequency

[kHz]

Input

current

[A]

Rated

input fuse

PLA15F Flyback converter 100 0.4 *1 250V 2.5A Thermistor CEM-3 Ye s Ye s No

PLA30F Flyback converter 130 0.7 *1 250V 3.15A Thermistor CEM-3 Ye s Ye s No

Series/Parallel

operation availability

Series

operation

Parallel

operation

PLA50F

PLA100F

PLA150F

PLA300F

PLA600F

*1 The input current shown is at ACIN 100V and 100% load.

The input current sho

The b

urst mode frequency varies according to the operating conditions. Consult us for more details.

*4 Parallel operation is possible with the –W option. See “5. Options and Others” in Instruction Manual.

Active ﬁlter 60 to 440

Flyback converter 130

Active ﬁlter 40 to 160

Flyback converter 20 to 150

Active ﬁlter 40 to 160

Flyback converter 20 to 150

Active ﬁlter 60

Forward converter 140

Active ﬁlter 60

Forward converter 220

wn is at ACIN 100V and 90% load.

0.7 *1 250V 2.5A Thermistor CEM-3 Ye s Ye s No

1.2 *2 250V 3.15A Thermistor CEM-3 Ye s Ye s No

1.7 *2 250V 4A Thermistor CEM-3 Ye s Ye s No

3.4 *2 250V 10A Thermistor CEM-3 Yes Yes No

6.7 *2 250V 16A SCR FR-4 Ye s Ye s

PLA-16

AC-DC Power Supplies Enclosed Type

Instruction Manual

1 Function

1.1 Input Voltage Range

1.2 Inrush Current Limiting

1.3 Overcurrent Protection

1.4 Overvoltage Protection

1.5 Thermal Protection

1.6 Output Ripple and Ripple Noise

1.7 Output Voltage Adjustment

1.8 Isolation

1.9 Low Power Consumption

1.10 Remote ON/OFF

1.11 Remote Sensing

1.12 LV Alarm

2 Series Operation and Parallel Operation

2.1 Series Operation

2.2 Parallel Operation

3 Assembling and Installation Method

PLA-18

PLA-19

PLA-20

3.1 Installation Method

3.2 Derating

3.3 Expected Life and Warranty

4 Ground

5 Options and Others

5.1 Outline of Options

5.2 Others

PLA-20

PLA-21

PLA-23

PLA-24

PLA-30

PLA-17

AC-DC Power Supplies Enclosed Type

1 Function

1.1 Input Voltage Range

The rated input voltage range of the power supply is AC85-264V

(See SPECIFICATIONS for more details).

To comply with the safety standards, use the power supply with

the input voltage range of AC100-240V (50/60Hz).

If the input voltage is outside the rated range, the power supply

may not operate in accordance with the specications and/or start

hunting or fail.

If the input voltage changes suddenly, the output voltage may go

out of the specications. Consult us for more details.

When the power supply is used with DC voltage input, an external

DC fuse is required for protection. Consult us for more details.

PLA15F, PLA30F

Power factor correction is not built-in. If multiple units are used in a

same system, the input harmonic current standard may not be met.

Consult us more details.

PLA100F, PLA150F

If the input voltage is more than AC250V, power factor correction

does not work and the power factor deteriorates. Consult us for

more details.

PLA15F, PLA30F, PLA50F, PLA100F,

PLA150F

The power supply is designed to handle instant voltage dip but out-

put power derating is necessary.

-Use Conditions

Maximum output power

PLA15F 7.5W PLA30F 10W PLA50F 15W PLA100F 40W PLA150F 60W

Input AC50V (DC70V) Duty 1s/30s

1.2 Inrush Current Limiting

¡ ¡

Avoid using the power supply under the above-mentioned

conditions for more than 1 second continuously as the

power supply may be damaged.

PLA300F, PLA600F

The –U option is available for PLA300F and PLA600F to handle

instant voltage dip of less than AC85V but output power derating

is necessary. (See 5. Options and Others.)

Inrush current protection is built-in.

If you need to use a switch on the input side, select one that can

withstand an input inrush current.

Instruction Manual

PLA15F, PLA30F, PLA50F, PLA100F,

PLA150F, PLA300F

Thermistor is used in the inrush current limiting circuit. When you

turn the power supply on and off repeatedly within a short period

of time, have enough intervals for the power supply to cool down

before being turned on again.

PLA600F

Thyristor technique is used in the inrush current limiting circuit.

When you turn the power supply on and off repeatedly within a

short period of time, have enough intervals for the inrush current

protection to become active.

There will be primary inrush current and secondary inrush current

owing because thyristor and TRIAC technique is used for the in-

rush current limiting circuit.

1.3 Overcurrent Protection

Overcurrent protection is built-in. It works at more than 105% of

the rated output current. The power supply recovers automatically

when the overcurrent condition is removed. Do not use the power

supply under a short-circuit or overcurrent condition.

Intermittent Operation Mode

When overcurrent protection works and the output voltage drops,

the output voltage goes into intermittent mode so that the average

output current can decrease.

If the power supply is turned on with an overcurrent load, it will im-

mediately go into intermittent mode and may not start up. See the

characteristics below. ( PLA15F, 30F, 50F, 100F, and 150F)

100%

Not Intermittent operation

Intermittent operation

Fig.1.1 Overcurrent protection characteristics

1.4 Overvoltage Protection

Overvoltage protection is built-in. If overvoltage protection works,

shut down the input voltage, wait more than Table 1.1, and turn on

the input voltage again to recover the output voltage. The recovery

time varies depending on the input voltage, etc.

Table 1.1 Recovery time

Model name Recovery time

PLA15F, PLA30F, PLA50F,PLA100F,

PLA150F, PLA300F, PLA600F

Remarks :

Avoid applying an overrated voltage to the output terminals as

it may cause the power supply to malfunction or fail. In case the

above-mentioned situation is expected in operating such loads as

a motor, for example, consult us for advice.

100 105min

Load factor [%]

Intermittent operation start voltage

3 minutes

PLA-18

AC-DC Power Supplies Enclosed Type

Instruction Manual

1.5 Thermal Protection

PLA15F, PLA30F, PLA50F, PLA100F, PLA150F

These models are not equipped with thermal protection.

PLA300F, PLA600F

Thermal protection is built-in.

Thermal protection will work under the following conditions and

the power supply will shut down.

When the operating temperature and the output current greatly

1

exceed the derating curve.

When the built-in cooling fan stops or the air ow from the fan is

2

obstructed.

If thermal protection works, switch off the input voltage and elimi-

nate the conditions causing thermal protection to work. Allow

enough time for the unit to cool off before switching on the input

voltage again to recover the output voltage.

1.6 Output Ripple and Ripple Noise

Output ripple noise may be inuenced by the measuring environ-

ment. The measuring method shown in Fig. 1.2 is recommended.

+Vout

2C1

-Vout 150mm

Osiloscope/

Ripple noise meter

Bw:20MHz

1 :

Film capacitor 0.1μF

2 :

Aluminum electrolytic capacitor 22μF

Fig.1.2 Measuring method of Ripple and Ripple Noise

Remarks :

When measuring output ripple or ripple noise with an oscilloscope,

do not let the oscilloscope’s GND cable cross the magnetic ux

from the power supply. Otherwise there may be electrical potential

generated on the GND cable and the measuring result may not be

accurate.

Differential probe

Load

PLA300F, PLA600F

With the option –V, the power supply comes with an external po-

tentiometer instead of a built-in potentiometer. (See 5 Options and

Others).

1.8 Isolation

For a receiving inspection, such as Hi-Pot test, gradually increase

(decrease) the voltage for the start (shut down). Avoid using Hi-

Pot tester with the timer because it may generate voltage a few

times higher than the applied voltage, at ON/OFF of a timer.

1.9 Low Power Consumption

PLA15F, PLA100F, PLA150F

These power supplies are designed for low power consump-

tion at no load. (No load power consumption: PLA15F:1.0W typ,

PLA100F/150F:1.5W typ)

When the load factor is 0 - 35% (PLA15F) and 0- 30% (PLA100F and

PLA150F), the switching power loss is reduced by burst operation,

which will cause ripple and ripple noise to go beyond the specications.

Ripple and ripple noise during burst operation will change depending

on the input voltage and the output current. Consult us for advice on

how to reduce ripple and ripple noise.

When there is a need to measure the stand-by power consumption,

measure it by using the average mode of the tester. The measuring

environment may inuence the result. Consult us for more details.

1.10 Remote ON/OFF

PLA15F, PLA30F, PLA50F

These models do not have the remote ON/OFF function.

PLA100F, PLA150F, PLA300F, PLA600F

The –R option is available for these models. With the –R option,

remote ON/OFF is possible. See “5 Options and Others” for more

details.

1.11 Remote Sensing

Bad example Good example

Fig.1.3 Example of measuring output ripple and ripple noise

1.7 Output Voltage Adjustment

The output voltage can be adjusted within the specied range by

turning the built-in potentiometer clockwise (up) or counterclock-

wise (down).

Please operate the potentiometer slowly.

PLA15F, PLA30F, PLA50F, PLA100F,

PLA150F, PLA300F

These models do not have the remote sensing function.

PLA600F

The –W option is available. With the –W option, remote sensing is

possible. See “5 Options and Others” for more details.

1.12 LV Alarm

PLA15F, PLA30F, PLA50F, PLA100F,

PLA150F, PLA300F

These models do not have the LV alarm function.

PLA-19

Chassis of

C c

AC-DC Power Supplies Enclosed Type

PLA600F

The –W option is available. With the –W option, the power supply

can give an LV alarm. See “5 Options and Others” for more details.

Instruction Manual

3 Assembling and

Installation Method

2 Series Operation and

Parallel Operation

2.1 Series Operation

The power supplies can be used in series connection. The output

current in series operation must be lower than the rated current of

the power supply with the lowest rated current among the power

supplies connected in series. Make sure no current exceeding the

rated current ows into a power supply.

Power

Supply

Power

Supply

Fig.2.1 Examples of connecting in series operation

Load

2.2 Parallel Operation

Redundant operation is possible by wiring as shown below.

I1 I3

Power Supply

Fig.2.2 Example of redundancy operation

Even a slight difference in output voltage can affect the balance

between the values of I

Make sure the value of I

of the power supply.

PLA15F, PLA30F, PLA50F, PLA100F,

and I2.

does not exceed the rated output current

[ the rated current value

PLA150F, PLA300F

Parallel operation is not possible.

Supply

Power Supply

LoadLoad

Load

3.1 Installation Method

Do not insert a screw more than 6mm away from the outside of

a power supply to keep enough insulation distance between the

screw and internal components.

hassis of

ustomer system

Mounting Screw

Fig.3.1 Mounting screw

PLA15F, PLA30F, PLA50F, PLA100F, PLA150F

Terminal block

(A)(B) (C)

If you use two or more power supplies side by side, please keep a

sufcient distance between them to allow enough air ventilation.

Ambient temperature around each power supply should not ex-

ceed the temperature range shown in the derating curve.

PLA300F

More than

Terminal block

Vent hole

side

Terminal block

More than

30mm

Terminal block

30mm

side

Air flow

(A)

PLA series

PBA serie

6mm max

More than 20mm

Vent hole

More than

30mm

Terminal block

side

Terminal block

More than

30mm

Fan side

A N

Terminal block

PLA600F

The –W option is available. With the –W option, parallel operation

is possible. See “5 Options and Others” for more details.

Not allowed

(B)(C)

Terminal block

(E)

(D)

PLA-20

+ 10 hidden pages

Cosel PLA30F, PLA50F, PLA15F, PLA100F, PLA150F Instruction Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Basic Characteristics Data

Instruction Manual