KORAD KWR Series User manual

Programmable DC Power Supply
KWR Series User Manual

Table of Contents
Product Features.............................................................
Front Panel Description ...................................................
Rear Panel Description ................................................ ....
1
3
Operatinginstruction ................................................ ... 5
Characteristics of the Votage Output ............................... 9
The External Size of the Power Supply .............................. 8
Communications ...........................................................11
Specifications ………………………...………….………...................
10
2

Product Series
KWR102 0 30V 0 30A 300W
KWR103 0 60V 0 15A 300W
Product Features
0 30V/0 60V, 0 30A/0 15A, 300W wide range output
The voltage output slope can be set
Various control interfaces: LAN, USB, RS232 & USB
The OCP & OVP parameters can be set
Supporting the stand alone dynamic output mode
5 digit current and voltage display with high accuracy
Convenient fast recall
1
KWR Series Wide Range Programmable DC Power Supply
External trigger and external switch interface
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Front Panel Description
2
KWR Series Wide Range Programmable DC Power Supply
Power Output Indicator
Key Lock Indicator
OCP Indicator
OVP Indicator
C.V Indicator
C.C Indicator
OVP
OCP ON/ OFF
VSET
REMO TE C OMP
V/A
ISET
EXT TR G
DYNAMI C
LOCK
PRIORITY
485 ID
( )( ) ( BEEP )
( )
( )
( )
VSET
485 ID
( )
V/A
ISET
PRIORITY
( )
OVP function and External trigger function
OCP function and Remote compensation function
Key lock function and Buzzer setting function
ON/OFF output and Dynamic output function
Voltage and current priority function
RS485 ID setting function
Voltage Display
Current Display

M1-M5 quick recall / storage function
and Dynamic output function
Press: turn off the flashing while setting
Press and hold: set the slope and press again to
exit the setting. And the unit is V/100uS.
Front output terminal: the max output current of the
secondary terminal is 10A. And the output of the power
supply will be automatically cut off if the current
exceeds 10A.
USB RS232 LAN
Rear Panel Description
3
KWR Series Wide Range Programmable DC Power Supply

RS232
LAN
RS232 communication port
Ethernet communication port
USB
SENSE:Remote Monitoring Port
TRIG:trigger port
Output terminal, max output current 30A
USB communication port
AC input
AC input 115V/230V switch
4
KWR Series Wide Range Programmable DC Power Supply
SENSE TRIG
+
IN GND

1.1 M1-M5 quick recall function
Instruction: Short press M1 M5 keys to quickly recall the contents stored
in 1 5.
1.2 M1-M5 quick storage function
Instruction: Adjust the stored voltage and current value and long press
the M key to store the current value in the memory of the selected M key.
Instruction: Short press OVP to activate the OVP value setting function,
adjust the OVP value to be set through the knob and the VSET key, and
short press the OVP to save and exit.
Instruction: When the OVP is at the OFF state, short press the OVP key
and then short press the ON/OFF key to enable this function. When the
OVP is at the ON state, short press the OVP key and then short press the
ON/OFF key to disenable this function.
3.1Set the OCP value
Instruction: Short press the OCP to activate the OCP value setting function,
adjust the OCP value to be set through the knob and the ISET key, and short
press the OCP to save and exit.
Instruction: When the OCP is at the OFF state, short press the OCP key
and then short press the ON/OFF key to enable this function. When the
OCP is at the ON state, short press the OCP key and then short press the
ON/OFF key to disenable this function.
5
operatinginstruction
KWR Series Wide Range Programmable DC Power Supply

Instruction: Long press the OVP key until there is a decimal point shown
in the right corner of the last digital code of the voltage display digital
tube, meaning that the external trigger function is activated. At this time,
the power output can be turned on by shorting two rear interfaces of
TRIG.
Instruction: Long press the OCP key until there is a decimal point shown
in the right corner of the last digital code of the current display digital
tube, meaning that the remote compensation function is activated. At this
time, the rear SENSE terminal can be used as the voltage compensation
terminal.
Instruction: Long press the LOCK key that can be locked when the LOCK
lamp is lit, and repeat this action to unlock the key.
Instruction: Short press the LOCK key to turn on or off the buzzer.
Instruction: Long press the VSET to activate the RS485 ID setting function,
turn the knob until the required ID occurs, and long press the VSET to save
and exit.
Instruction: Long press the knob to activate the voltage and current slope
setting function, turn the knob to increase or decrease the value, select
the voltage and current slope through VSET and ISET, and long press the
knob to exit the setting function, with unit / 100us.
Instruction: Step 1: Long press the ON/OFF to activate the dynamic setting
6
KWR Series Wide Range Programmable DC Power Supply

Step 2: When M1 M5 indicators are all off, Step 0 starts. At this time,
the voltage is displayed as a dynamic cycle number and the current is
displayed a dynamic step. Change the value through the knob, and switch
to the different item through VSET and ISET.
Step 3: Press M1. At this time, Step 1 starts when M1 indicator is lit. Set
the value of the first step. Change the voltage / current value through knob
and switch to the different item through VSET and ISET, press the knob to
switch to the required voltage slope and time. Change the value through
the knob, and switch to the different item through VSET and ISET.
Instruction: Short press M5 and turn the knob to increase, so that the
dynamic function can be recalled. Turn on ON/OFF for output.
Instruction: Long press ISET to activate the voltage and current priority
setting function. Turn the knob to set 0 as voltage priority and set 1 as
current priority, and long press ISET to save and exit.
7
function. At this time, M1 M5 key indicators are all off and M1 M5 show
digits 1 5. Set the dynamic steps with M1 M5 digit combination.
KWR Series Wide Range Programmable DC Power Supply

The External Size of the Power Supply
305 mm
175 mm
8
KWR Series Wide Range Programmable DC Power Supply