twintex TP Series User manual

Single Channel DC Power Supply
TP Series
Operation Manual V1.0
BENCHTOP INSTRUMENT

I
CONTENTS
1. INTRODUCTION............................................................................................................................................ - 1 -
2. PRODUCTION MODELS.............................................................................................................................. - 1 -
3. SPECIFICATIONS.......................................................................................................................................... - 2 -
4. PANEL CONTROLS AND INDICATORS.................................................................................................... - 4 -
4-1. Panel Illustration.................................................................................................................................. - 4 -
4-2. Front Panel Control............................................................................................................................. - 7 -
4-3. Rear Panel Control ............................................................................................................................. - 8 -
5. OPERATION INSTRUCTIONS..................................................................................................................... - 8 -
5-1. Precaution............................................................................................................................................ - 8 -
5-2. Setting Current Limit........................................................................................................................... - 8 -
5-3. Setting Constant Voltage ................................................................................................................... - 9 -
5-4. C.C and C.V Mode.............................................................................................................................. - 9 -
6. MAINTENANCE.............................................................................................................................................. - 9 -
6-1. Fuse Replacement.............................................................................................................................. - 9 -
6-2. Line Voltage Conversion.................................................................................................................. - 10 -
6-3. Cleaning ............................................................................................................................................. - 10 -

- 1 -
1. INTRODUCTION
TP Series regulated DC power supply are designed to provide the required in laboratory, university and
production lines.
The output voltage is continuously adjustable between 0 to rating voltage. The load current may have any
value from 0 to rating current. Voltage and Current are adjusted by means of a coarse and fine potentiometer.
Both outputs can accurately read on voltmeter and ammeter.
Both stability and ripple are extremely good to meet the requirements of modern circuit design. The unit can
be used as either constant voltage or current source. It has output ON/OFF, fixed DC 5V/1A output (optional),
digital LED display and overload protection circuits.
2. PRODUCTION MODELS
No. Model Output
Voltage
Output
Current
Output
ON/OFF
Fixed
5V/1A
V/A
Preset
Weight
kg
1 TP-1303EC 0-30V 0-3A 4.5
2 TP-1305EC 0-30V 0-5A 5
3 TP-1603EC 0-60V 0-3A 5.5
4 TP-1303C 0-30V 0-3A ●5
5 TP-1305C 0-30V 0-5A ●5.5
6 TP-1603C 0-60V 0-3A ●6
7 TP-1303 0-30V 0-3A ●●5
8 TP-1305 0-30V 0-5A ●●5.5
9 TP-1603 0-60V 0-3A ●●6
10 TP-3010 0-30V 0-10A ●●10
11 TP-6005 0-60V 0-5A ●●10
12 TP-3020 0-30V 0-20A ●●14
13 TP-6010 0-60V 0-10A ●●14

- 2 -
3. SPECIFICATIONS
Table 1
Model TP-1303EC
TP-1303C
TP-1303
TP-1305EC
TP-1305C
TP-1305
TP-1603EC
TP-1603C
TP-1603
Constant voltage operation
Line regulation ≤0.01%+3mV ≤0.01%+3mV ≤0.01%+5mV
Load regulation
≤0.01%+3mV
≤0.02%+5mV
≤0.02%+5mV
Ripple & Noise ≤3mVrms, 5Hz~1MHz
Constant current operation
Line regulation ≤0.2%+3mA
Load regulation
≤0.2%+3mA
≤0.2%+5mA
≤0.2%+3mA
Fixed output (Only for TP-1303/1305/1603)
Output voltage
5V±1%
Output current 1A
Ripple & noise
≤3mVrms, 5Hz~1MHz
Display
Voltmeter
3 digits LED display
Ammeter 3 digits LED display
Resolution
100mV/10mA
Accuracy ±(1% reading+2 digits)
General
Operating environment 0℃~40℃, ≤80%RH
Storage environment
-10
℃
~70
℃
, ≤70%RH
Power source AC110V/220V±10%, 50/60Hz
Accessories
Power cord x1, Operation manual x1, Test lead x1
Dimension 130Wx160Hx310Dmm

- 3 -
Table 2
Model
TP-3010
TP-6005
TP-3020
TP-6010
Constant voltage operation
Line regulation
≤0.01%+5mV
≤0.01%+5mV
≤0.01%+10mV
≤0.01%+5mV
Load regulation ≤0.02%+5mV ≤0.02%+5mV ≤0.02%+10mV ≤0.02%+5mV
Ripple & Noise
≤3mVrms, 5Hz~1MHz
Constant current operation
Line regulation
≤0.2%+3mA
Load regulation ≤0.2%+3mA (I≤3A)
≤0.2%+5mA (I>3A)
≤0.2%+15mA (I≥10A)
Ripple & Noise ≤3mArms (I≤3A)
≤10mArms (I>3A)
Display
Voltmeter
3 digits LED display
Ammeter 3 digits LED display
Resolution
100mV/10mA
Accuracy Real voltage and current output: ±(1% reading+2 digits)
Preset voltage and current: ±(1% reading+8 digits)
General
Operating environment 0℃~40℃, ≤80%RH
Storage environment -10℃~70℃, ≤70%RH
Power source AC110V/220V±10%, 50/60Hz
Accessories Power cord x1, Operation manual x1, Test lead x1
Dimension 255Wx155Hx370Dmm 255Wx155Hx330Dmm
In purpose of product improvement, specifications are subject to change without prior notice.

- 4 -
4. PANEL CONTROLS AND INDICATORS
4-1. Panel Illustration
a. TP-1303EC/1305EC/1603EC Front panel
Fig.4-1
b. TP-1303C/1305C/1603C Front panel
Fig.4-2

- 5 -
c. TP-1303/1305/1603 Front panel
Fig.4-3
d. TP-3010/6005/3020/6010 Front panel
Fig.4-4

- 6 -
e. 30V/3A, 30V/5A, 60V/3A Rear panel
Fig.4-5
f. TP-3010/6005 Rear panel
Fig.4-6

- 7 -
g. TP-3020/6010 Rear panel
Fig.4-7
4-2. Front Panel Control
1 Power switch : ON/OFF the power
2 Output ON/OFF switch : After power on, there is no voltage cross the output terminals. Press this
button, output LED on, the unit has power out. Press this button again, the
out LED off, output voltage cross the terminals is zero. The is on standby
mode.
3 OUTPUT indicator : Lights on in red when the output is turned on. Details see above.
4 C.C indicator : Lights when the power supply is in constant current operation.
5 C.V indicator : Lights when the power supply is in constant voltage operation.
6 Voltmeter : Indicates the output voltage.
7 Ammeter : Indicates the output current.
8 Voltage Coarse : For coarse adjustment of the output voltage.
9 Voltage Fine : For fine adjustment of the output voltage.
10 Current Coarse : For coarse adjustment of the output current.
11 Current Fine : For fine adjustment of the output current.
12 “+” output terminal : Positive polarity
13 “GND” terminal : Earth and chassis ground.
14 “-” output terminal : Negative polarity.
15 Fixed 5V/1A “+” output terminal
16 Fixed 5V/1A “-” output terminal

- 8 -
4-3. Rear Panel Control
17 Power socket
18 Fuse holder
19 AC input selector The power transformer is designed to permit operation in 110V (115V/120V)
or 220V (230V/240V),50/60Hz line voltage. To convert from one line voltage
to another is done by change AC input selector as shown in section 6-2.
20 Cooling fan
5. OPERATION INSTRUCTIONS
5-1. Precaution
1) AC input
AC input must be within the range of line voltage ±10% 50/60Hz.
WARNING.
To avoid electrical shock, the power cord protective grounding conductor must be
connected to ground.
2) Installation
Allow enough space around the power supply for ventilation.
WARNING. To avoid damaging the power supply, do not use it in a place where ambient
temperature exceeds 40℃.
WARNING.
Voltages more than 60V DC are a lethal shock hazard to the user. Be careful when
connecting power supplies to achieve voltages higher than 60V DC total or 60V DC between any
connection and earth ground.
CAUTION.
1 The instrument must be operated under rated main supply. If it is meant to work for a long time,
it is suggested to use 60-70% instead of full load so as to avoid rapid aging.
2. Avoid frequent short-circuit operations.
3. In case of the instrument with full load, do not turn on the instrument. Before adding load, adjust
the voltage knob to the minimum value, then turn on the instrument. Next turn the
voltage/current adjustment knob to set targeted values.
5-2. Setting Current Limit
1) Determine the maximum safe current for the device to be powered.
2) Temporarily short the positive “+” negative “-” terminals of the power supply together with a test lead.
3) Rotate the COARSE VOLTAGE control away from zero sufficiently for the CC indicator to light.
4) Adjust the CURRENT control for the targeted current limit. Read the current value on the ammeter.
5) The current limit (over load protection) has now been preset. Do not change the CURRENT control setting
after this step.
6) Remove the short between the “+” and “-” terminals and hook up for constant voltage operation.

- 9 -
5-3. Setting Constant Voltage
1) Turn on the power supply. The CV indicates lights.
2) Rotate the coarse and fine voltage control to the targeted voltages.
3) Press output ON/OFF button. The OUTPUT indicator lights and the terminals have voltage output.
4) For the models which do not have output ON/OFF function, the output voltage will be supplied cross
terminals immediately after turn on the power supply.
5-4. C.C and C.V Mode
In constant voltage mode, if the output voltage is less than preset value and CC indicator light, it is over
current protection. Unit automatically changed to constant current mode. Should check the load or increase
current set value depends on the situation.
ln constant current mode, if the output current is less than preset value and CV indicator light, the unit
automatically changed into constant voltage mode. Should check the load or increase the preset voltage
value.
6. MAINTENANCE
WARNING
The following instructions are for use by qualified personnel only. To avoid electrical shock, do not perform
any servicing other than contained in the operating instruction unless you are qualified to do so.
6-1. Fuse Replacement
If the fuse blows, the CV or CC indicators will not light and the power supply will not operate. The fuse shall
not normally open unless a problem has developed in the unit. Try to determine and correct the cause of the
blown fuse, then replace only with a fuse of the correct rating type.
The fuse is located in rear panel.
WARNING. For continued fire protection, replace fuse only with 250V of the specified type and
rating. And disconnect the power cord before replacing fuse.
WARNING. To protect the transformer and circuits of the unit, a fuse of the correct rating and type
must be used. Refer to below for correct fuse ratings.

- 10 -
Fuse rating:
6-2. Line Voltage Conversion
The primary winding of the power transformer is tapped to permit operation from 110 or 220Vac ±10%,
50/60Hz line voltage. Conversion from one line voltage to another is done by change AC input selector switch.
The rear panel identifies the line voltage to which the unit was factory set. To convert to a different line voltage,
perform the following procedure:
1) Make sure the power cord is unplugged.
2) Change the AC select switch to the desired line voltage position.
3) A change in line voltage may also require a corresponding change of fuse value. Install the correct
fuse as listed on rear panel.
lf the output voltage is unstableness, please check theAC line that it may be less than 207V/105V.
6-3. Cleaning
To clean the power supply, use a soft cloth dampened in a solution of mild detergent and water. Do not spray
cleaner directly onto the instrument, since it may leak into the cabinet and cause damage.
Do not use chemicals containing benzene, benzene, toluene, xylene, acetone, or similar solvents.
Do not use abrasive cleaners on any portion of the power supply.
Should the problems can not be solved, please contact local distributor or the manufacturer.
Model 220VAC rated input 110VAC rated input
TP-1303EC 250V/2A 250V/3A
TP-1303C
250V/2A
250V/3A
TP-1303
250V/2A
250V/3A
TP-1305EC
250V/3A
250V/6.3A
TP-1305C
250V/3A
250V/6.3A
TP-1305 250V/3A 250V/6.3A
TP-1603EC 250V/3A 250V/6.3A
TP-1603C 250V/3A 250V/6.3A
TP-1603 250V/3A 250V/6.3A
TP-3010 250V/6.3A 250V/10A
TP-6005 250V/6.3A 250V/10A
TP-3020
250V/10A
250V/10A
TP-6010
250V/10A
250V/10A