I-Tech IT6720 User manual

WARNING

Safety Regulations

To avoid electrical shock, do not open the cabinet. Refer

servicing to qualified personnel only.

To avoid injuries, always disconnect power, discharge circuits,

and remove external voltage sources before touching

components.

KEEP AWAY FROM LIVE CIRCUITS.

We cannot accept responsibility for any direct or indirect

financial damage or loss of profit that might occur when using

the power supply.

The instrument chassis and cover must be connected to an

electrical ground.

Certification

We certify that this product met its published specifications at

time of shipment from the factory.

Notice The information contained in this document is subject to change

without notice.

WarrantyThis hardware product is warranted against defects in material

and workmanship for a period of ONE year from date of delivery.

IT6720 power supply for use with a hardware product and when

properly installed on that hardware product, is warranted not to

fail to execute their programming instructions due to defects in

material and workmanship for a period of 90 days from date of

delivery. During the warranty period our company will either

repair or replace products which prove to be defective. Our

company does not warranty that the operation for the software

firmware or hardware shall be uninterrupted or error free. For

warranty service, with the exception of warranty options, this

product must be returned to a service facility designated by our

company. Customer shall prepay shipping charges (and shall

pay all duty and taxes) for products returned to our place for

warranty service. Our company shall pay for return of products

to Customer.

Limitation of Warranty

The foregoing warranty shall not apply to defects resulting from

improper or inadequate maintenance by the customer,

customer-supplied software or interfacing, unauthorized

modification or misuse, operation outside of the environmental

specifications for the product, or improper site preparation and

maintenance.

Compliance Statements

Disposal of Old Electrical & Electronic Equipment (Applicable in

the European Union and other European countries with separate

collection systems)

The ITECH product you have purchased is subject to

Directive 2002/96/EC of the European Parliament and the

Council of the European Union on waste electrical and

electronic equipment (WEEE) , and in jurisdictions adopting

that Directive, is marked as being put on the market after

August 13, 2005, and should not be disposed of as unsorted

municipal waste. Please utilize your local WEEE collection

facilities in the disposition of this product and otherwise

observe all applicable requirements.

Safety Symbols

Connect it to safety earth ground using the wire recommended in

the user’s manual.

High voltage danger

The symbol on an instrument indicates that the user should refer

to the operating instructions located in the manual.

About IT6720

Compared with other power supplies, IT6720 has the

widest range of voltage and current. The max output

voltage is 60V, the max current is 5A, and the max power

is 100W. You can set multi-groups voltage and current

value as long as the max range allowed. So it can replace

3 power supplies 60V*1.6A / 32V*3A / 20V*5A, and help

you save money.

Example

If you have set the voltage value

with 60V, the max current value can

Power

be set with100(W) / 60(V) = 1.66A,

100%

because the max power is 100W. If

the voltage value is 10V, the max

current value can’t be set with 10V,

only 5V.

12 3 4 5

IT6720 output group

Attribute

Full Digital control

Full Range 10mV/1mA Resolutio

Full Range 10mV/1mA Resolution

Highlight LED display

Low ripple and noise

Very Sm

Very all size

Small size

High

High reliability

reliability OCP

OCP /

/OVP

OVP /

/OHP

OHP

Output ON/OFF Control

Very competitive price

Storage for 4*

Storage for 4*100 sets Preset Value

100 sets Preset Value

Panel Layout

Voltage Value

Step B + Memory B

Step A + Memory A

Step C + Memory C

Step D + Memory D

Current Value

Memory save (Shift)

Left arrow + Memory A Button

Keyboard (Shift)

Enter + Memory C Button

Output ON/OFF Button

Air flow input

Main Power ON/OFF

Voltage setup Indicator

CC mode Indicator

CV mode Indicator

OCP Indicator

OVP Indicator

Memory mode Indicator

Keyboard Lock Indicator

Shift Indicator

Output OFF Indicator

Current setup Indicator

Recall (Shift)

Right arrow + Memory B Button

Function Setup (Shift)

Rotary Encoder

Voltage / Current Selector + Memory D Button

Setup Display (Shift)

Shift Button

Output +

Output –

Ground

DV/A

On/Off

Quick Start

Check out

Check that the power supply has been destroyed or not. If there is any flaw,

please contact the vendor.

Make sure the AC input voltage of power supply accord with the standards

of your country or area.

If the 2 terms above are right, please turn on the power supply.

Voltage Set Preset Voltage

Press

D V/A

key to make the preset

voltage light “V” bright, and it

means you can set voltage value.

Press

key, move the

cursor to position B

, screw the

knob , the voltage value will rise

or decline 1V.

Current Set

Auto Range DC Power Supply CV CC

OVP OCP

OFF Shift

Lock Prog

A B C D

Step cursor B

IT6720 60V/5A/100W

ITECH

Press

D V/A

key to make the

preset current light “A” bright, and

it means you can set current value.

Press

key, move the

cursor to position A

, screw the

knob , the current value will

rise or decline 1A.

Output Operation

Press

On/Off

key to make the

output state on, and the voltage

and current value on the LED will

wink for 3 seconds, then the LED

will display the actual output value.

And the “ OFF” light will be off, that

means the power supply is working.

Press

On/Off

key again, the output

will be off.

IT6720 60V/5A/100W

Auto Range DC Power Supply CV CC

OVP OCP

OFF Shift

Lock Prog

ITECH

A B C D

Preset CurrentStep cursor A

IT6720 60V/5A/100W

Auto Range DC Power Supply CV CC

OVP OCP

OFF Shift

Lock Prog

ITECH

A B C D

Output OFF Indicator

Shift

DV/A

Step value for Cursor Position

Cursor position Step voltage Step current

A 10V 1A

B 1V 0.1A

C 0.1V 0.01A

D 0.01V 0.001A

Check the Preset Voltage and Current Value

The power supply usually displays the actual voltage and current value.

If you want to check the preset voltage and current value, please press

for 2 times, and then the preset value will display for 3 seconds.

Key Lock Function

Shift

This function can prevent error operation. Press

Shift

and the lightShift

will bright, and then press

(Lock) key, the light Lock will bright, that

means the keys have been locked. Repeat above operation, key lock

function will be disabled.

OVP Function

Press

Shift

first, then press

(Setup) key for 3 seconds, LED

will display OVP.

Use

D V/A

key and knob

to set OVP value.

OCP Function

IT6720 60V/5A/100W

Auto Range DC Power Supply CV CC

OVP OCP

OFF Shift

Lock Prog

ITECH

A B C D

OVP Value

After setting OVP value, press

into OCP function, use

key and knob

to set OCP

value.

Note

The output of power supply will be

off if the OVP and OCP value are

less than the actual voltage and

current value. Default setting is

OVP=61V，OCP=5.1A, OCP Value

IT6720 60V/5A/100W

Auto Range DC Power Supply CV CC

OVP OCP

OFF Shift

Lock Prog

ITECH

A B C D

On/Of

Shift

D A

ifh

D A

Shi

Store Group Setting

After setting the OCP value, press IT6720 60V/5A/100W

key into GRP setting, use

ITECH

Auto Range DC Power Supply CV CC

key and knob to select store group. V OVP OCP

There are 100 groups to be selected,

each group can be stored 4 current

or voltage values. A B C D Lock Prog

Press

key to confirm the store A OFF Shift

group selected.

Store Operation

After the voltage or current value has been set, press

Shift

and

(Save) key, the

cursor A B C D will wink together. Press

DV/A

key to save it.

Recall Operation

Press

S tShift

and

(Prog) key,

Prog light will bright, that means you can

recall the parameter from the store group. Press

DV/A

key to recall the parameter which has been saved.

DV/A

When the power supply is on recall operation,

keys are disabled, they only can be used with

iftShift

key. If you want to exit

recall function, please press

fShi tft

and

(Prog) key.

Fault Disposal

If the output is disabled

1. Check the voltage and current value are zero or not. If they are zero, please

set voltage and current value again.

2. Check the light OFF is bright or not. If it is bright, please press

fOn/Off

key to

make the output state on.

3. Check the light OVP OCP is bright or not. If they are bright, please set

OVP/OCP value again.

If pressing keys are disabled

Check the light Lock is bright or not. If it is bright, please disable the key

lock function.

Specification

Specs

Specifications IT6720

Output Rating Voltage

Current

Load Regulation Voltage

Current

Line Regulation Voltage

Current

0~60V

<0.01%+3mV

<0.01%+3mA

<0.01%+3mV

<0.1%+3mA

0~5A

Power 100W

Programming Accuracy Voltage

Current <0.05%+10mV

<0.2%+2mA

Read back Accuracy Voltage

Current

Ripple Current

Voltage

<0.05%+10mV

<0.1%+2mA

<2.0mV rms

<5mA rms

Dimension (mm) 88W*175H*282D

W*H*D

Weight Net <2.5Kg

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