background image

DCP42

en

GB_V1.5

   

12/14

 

19

11.

 

Troubleshooting

 

OUP:

 

Over

 

Voltage

 

Protection

 

This

 

unit

 

has

 

a

 

built

in

 

tracking

 

over

 

voltage

 

protection

 

feature.

 

In

 

the

 

event

 

of

 

output

 

voltage

 

becoming

 

greater

 

than

 

the

 

set

 

value

 

(see

 

specified

 

range

 

from

 

specifications

 

table),

 

protection

 

will

 

be

 

triggered

 

and

 

the

 

output

 

power

 

will

 

be

 

cut

 

off

 

and

 

OUP

 

warning

 

appears

 

as

 

below.

 

 

To

 

reset

 

the

 

warning,

 

switch

 

off

 

the

 

unit

 

and

 

remove

 

all

 

loading.

 

Switch

 

the

 

unit

 

back

 

on

 

again

 

and

 

it

 

should

 

resume

 

normal

 

operation.

 

If

 

this

 

problem

 

persists,

 

please

 

contact

 

the

 

customer

 

care

 

department

 

or

 

the

 

point

 

of

 

purchase.

 

 

OTP:

 

Over

 

Temperature

 

Protection

 

There

 

is

 

a

 

thermo

 

sensor

 

inside

 

the

 

unit

 

to

 

monitor

 

and

 

prevent

 

the

 

unit

 

from

 

unduly

 

heating

 

internally.

 

When

 

an

 

OTP

 

error

 

occurs,

 

there

 

is

 

no

 

output

 

and

 

the

 

following

 

warning

 

will

 

appear

 

on

 

the

 

LED

 

display.

 

 

When

 

this

 

warning

 

appears,

 

switch

 

off

 

the

 

unit

 

and

 

remove

 

all

 

loading.

 

Check

 

the

 

load

 

and

 

output

 

setting.

 

Allow

 

the

 

unit

 

to

 

cool

 

for

 

at

 

least

 

30

 

minutes.

 

Check

 

to

 

see

 

if

 

any

 

ventilation

 

holes

 

are

 

blocked,

 

also

 

check

 

that

 

there

 

is

 

sufficient

 

clearance

 

around

 

the

 

power

 

supply.

 

Listen

 

carefully

 

for

 

the

 

short

 

wind

 

sound

 

emanating

 

from

 

the

 

cooling

 

fan

 

when

 

the

 

unit

 

is

 

switched

 

ON

 

again.

 

If

 

the

 

wind

 

sound

 

is

 

not

 

detected,

 

the

 

fan

 

may

 

be

 

faulty;

 

do

 

not

 

use

 

the

 

power

 

supply

 

in

 

this

 

case,

 

contact

 

the

 

customer

 

care

 

department

 

or

 

the

 

agent

 

from

 

the

 

point

 

of

 

purchase.

 

 

OCP:

 

Over

 

Current

 

Protection

 

Normally

 

the

 

overload

 

protection

 

is

 

sustained

 

by

 

the

 

CC

 

constant

 

current

 

mode.

 

When

 

the

 

CC

 

mode

 

fails

 

and

 

goes

 

undetected,

 

serious

 

damage

 

to

 

the

 

test

 

piece

 

or

 

load

 

may

 

occur.

 

The

 

OCP

 

is

 

used

 

to

 

minimize

 

the

 

extent

 

of

 

damage

 

to

 

the

 

loads

 

in

 

the

 

event

 

of

 

power

 

supply

 

failure.

 

Switch

 

off

 

the

 

power

 

supply

 

as

 

soon

 

as

 

this

 

warning

 

is

 

seen

 

(as

 

shown

 

below).

 

 

To

 

reset

 

this

 

warning,

 

remove

 

all

 

loading

 

and

 

press

 

the

 

OUTPUT

 

ON/OFF

 

button.

 

Switch

 

the

 

unit

 

back

 

on

 

again

 

and

 

double

 

check

 

with

 

caution.

 

If

 

this

 

problem

 

persists,

 

please

 

contact

 

the

 

customer

 

care

 

department

 

or

 

consult

 

with

 

the

 

agent

 

at

 

the

 

point

 

of

 

purchase.

 

 

 

Copyright

 

©

 

2014

 

FLIR

 

Systems,

 

Inc.

 

All

 

rights

 

reserved

 

including

 

the

 

right

 

of

 

reproduction

 

in

 

whole

 

or

 

in

 

part

 

in

 

any

 

form

 

www.extech.com

 

Summary of Contents for DPC42

Page 1: ...USER GUIDE Model DCP42 160W Laboratory Grade Constant Power Switching Mode Power Supply...

Page 2: ...Activating the Remote Control Mode 8 4 3 3 Deactivating the Remote Control Mode 8 4 3 4 Factory Default Reset 8 5 OPERATION 9 5 1 Powering the Supply 9 5 2 Switching the Power Supply ON and Self Test...

Page 3: ...sing 12 6 4 1 Connection 12 6 4 2 Disconnection 12 6 5 Remote Control Operation 13 6 5 1 REMOTE CONTROL METHOD 1 Using two external DC voltage sources 13 6 5 2 REMOTE CONTROL METHOD 2 Using two 0 to 5...

Page 4: ...plications Features include the following Dual action Course Fine tuning provides smooth accurate and quick setting of Voltage Current Setting changing and verifying the current limit level is conveni...

Page 5: ...nd clear up the cause first Replace the AC fuse with the same type and rating as the original fuse The maximum output voltage of the DCP42 exceeds 60VDC avoid touching the metal contact parts at the o...

Page 6: ...et Keyd 1 2 3 Menu Key Shift Key Lock Unlock Key A W meter Key Output ON OFF V t Key 7 Output Safety Jacks Rated 10A 8 USB Remote Control port For access to computer to run cyclical operation with pro...

Page 7: ...red down 4 The user can change these output settings using the voltage and current knobs Recall No Output Voltage Output Current P1 5V Maximum P2 13 8V Maximum P3 40V Maximum 4 3 Set Mode Enter the Se...

Page 8: ...s located on the front panel will be locked the Lock Unlock button light switches ON 4 3 3 Deactivating the Remote Control Mode a Press the Lock Unlock button to unlock all of the function keys b Repe...

Page 9: ...d then fine tuning The display will resume its normal brightness after few seconds to confirm an adjustment 5 4 Connecting the Power Supply and running a Test 1 Connect the equipment under test to the...

Page 10: ...CB Using the AB setting as an example turn the Voltage control knob until A b appears on the voltmeter display and then turn the Current control knob to set to desired transit time t 5 seconds for exa...

Page 11: ...waveforms Example 1 Pulse waveform with 3sec at 10V and 1sec at 5V Set A Preset 1 5V set B Preset 2 10V Set Func A 1 second by turning the Current control knob Func B 3 seconds using the same procedur...

Page 12: ...to confirm and to return to normal operation Note The UVL and UCL settings default to the maximum output value 6 4 Remote Sensing Note Observe warnings displayed by the Power Supply an incorrect disco...

Page 13: ...the power supply by varying the external voltage source Short circuit the main output with 14AWG wire to check the CC setting on the display while varying the external voltage source 6 5 2 REMOTE CONT...

Page 14: ...all and use the software please refer to the instructions provided on the supplied CD ROM and or the instructions provided in the HELP Utility within the software program Check the software download p...

Page 15: ...Up Down Left Right keys on PC keyboard for new locations 3 Data that exceed the rated voltage and current will not be accepted 4 Voltages that exceed the UVL Upper Voltage Limit will not be accepted...

Page 16: ...Set t a b 1 second Set t b a 2 seconds Set Func A 3 seconds Set Func B 3 seconds Example 4 Irregular waveform Set A 5V B 10 V Set t a b 2 second Set t b a 2 seconds Set Func A 2 seconds Set Func B 6 s...

Page 17: ...ise peak peak Voltage 80mVp p Current Ripple Noise peak peak 50mA Meter Type Accuracy Voltage Meter 4 Digit LED Display 0 1 5 counts Current Meter 4 Digit LED Display 0 1 5 counts Resolution Output Vo...

Page 18: ...P 3 0KVac I P F G 1 5KVac O P F G 0 5KVac Insulation Resistance I P O P I P F G O P F G 100Mohm 500Vdc EMC CE EN55011 Harmonics Current Emission EN 61000 3 2 Voltage Fluctuations Flicker EN 61000 3 3...

Page 19: ...heck to see if any ventilation holes are blocked also check that there is sufficient clearance around the power supply Listen carefully for the short wind sound emanating from the cooling fan when the...

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