SIGLENT SPD1168X User manual

SIGLENT

Quick Start
SPD1168X Programmable Linear DCPower Supply
QS0501X-EO1A
2017SIGLENT TECHNOLOGIES CO.，LTD

SIGLENT
SPD1168XQuickStartI
Copyright and Declaration
Copyright
SIGLENT TECHNOLOGIES CO.，LTD. All Right Reserved.
Trademark Information
SIGLENT is a registered trademark of SIGLENT
TECHNOLOGIES.
Declaration
zSIGLENT products are protected by patent law in and outside of
the Peoples Republic of China
.
zSIGLENT reserved the right to modify or change the
specifications and price of the product
zInformation in this publication replace all previous
corresponding material
zAny copying, extracting or translation of the content of this
manual is not allowed without permission from SIGLENT.

SIGLENT
IISPD1168XQuickStart
General Safety Summary
Please review the following safety precautions carefully to avoid
personal injury or damage to this product or any product
connected to it. To prevent potential danger, please use the
instrument as specified.
Use the proper power cord
Only the power cord designed for the instrument and authorized
by the local country should be used.
Power supply
AC Input Voltages: 100/120/220/230V ±10%，50/60Hz
Use the proper fuse
The fuse type: 100/120V: T6.3A/250V
220/230V :T3.15A/250V
Make sure to use the correct type of fuse before turning on the
instrument.
Find the cause of the fuse failure before replacing the fuse and
connecting the power cord.
Ground the instrument
The instrument is grounded through the protective Earth
conductor of the power cord. To avoid electric shock, the
grounding conductor must be connected to the Earth ground.
Make sure that the instrument is properly grounded before any
activating any inputs or outputs.

SIGLENT
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Examine all the terminal ratings
To avoid fire or electric shock, please examine all ratings and
symbols on the instrument. Read this guide carefully to know
more details about the ratings before connection.
Keep proper ventilation
Inadequate ventilation may cause an increase of temperature
within the instrument, which canl lead to further damage. Please
keep proper ventilation and check the fan and air-vents regularly
when using the instrument.
Operate condition
Location: indoor, no strong light, almost no interfering pollution
Relative humidity: <80%
Altitude：<2000m
Temperature: 0℃to 40℃
Electrostatic Prevention
Operate in an electrostatic discharge protective area environment
to avoid damages induced by static discharges. Always ground
both the internal and external conductors of the cable to release
static before connecting.
Do not operate in an explosive atmosphere
To avoid personal injury or damage to instrument, please do not
operate in an explosive atmosphere.
Keep surface of the product clean and dry
Avoid dust and moisture in the air as they can influence the
performance of the instrument. Please keep surface of the product
clean and dry.

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SPD1168X Brief Introduction
SPD1168X Programmable DC Power Supply has a 2.8 inch
TFT-LCD screen, programmableoutput, and real time
measurement graphing. It has maximum output values of
16V/8A,and remote sense. . Output short circuit and overload
protection, can be used in different types of production and
research.
Figure 1: Side view
Main features:
zSingle high-precision programmable output: 16V/8A, total
power is 128W
zCompact, easy to use, powerful, ideal for bench power supply
zStable, Reliable and Low Noise: ≤350uVrms/3mVpp

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VISPD1168XQuickStart
zFast Transient Response Time:<50μ0
zMinimum resolution of 1mV, 1mAwith 5-bit voltage and
4-bitcurrent display.
zTimer function sequences output values
zHigh resolution 2.8 inch TFT LCD(240*320 pixels)
zThere are two output modes: two-wire output and remote
sense compensation function (maximum compensation up to
1V)
zFour kinds of input/line voltage values includes 100V, 110V,
220V and 230V to satisfy different requirements
zIntelligent temperature controlled fan, effectively reduces noise
zClear graphical interface, with waveform display
z5 internal system parameters save / recall, support for data
storage space expansion
zProvide EasyPower PC software, real-time control via USB,
LAN, support SCPI command set and LabView driver package
to meet the remote control and communication requirements

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Content
COPYRIGHT AND DECLARATION...............................................I
GENERAL SAFETY SUMMARY...................................................II
SPD1168X BRIEF INTRODUCTION.............................................V
QUICK START...............................................................................1
GENERAL INSPECTION ....................................................................... 1
THE FRONT PANEL............................................................................. 2
THE REAR PANEL .............................................................................. 5
CONNECT POWER ............................................................................. 6
USER INTERFACE .............................................................................. 8
OUTPUT INSPECTION......................................................................... 9
FUSE REPLACEMENT ........................................................................ 9
TROUBLESHOOTING ................................................................11
CONTACT SIGLENT...................................................................12

SIGLENT
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Quick Start
General Inspection
1. Inspect the shipping container
Keep the damaged shipping container or cushioning materialuntil
the contents of the shipment have been completelychecked and
the instrument has passed both electrical and
mechanical tests.The consigner or carrier is responsible for
damages to theinstrument resulting from shipment. SIGLENT will
not providefree maintenance or replacement for shipping
damages.
2. Inspect the instrument
If there is damage, defects, or failures inelectrical and mechanical
tests of the product, please contact your nearest SIGLENTsales
representative.
3. Check the accessories
Please check the accessories according to the packing list. If the
accessories are incomplete or damaged, please contact your
SIGLENT sales representative.

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the setting object, rotate the knob to quickly move the cursor.
3. Function button and power key
When setting parameters, press the Fine button to
move the cursor to select the position of digit.
The right and left direction buttons move the
cursor to select the setting parameter.
Press the button for a short time to enter the system
message interface. Press the the button longer to operate the
lock function.
Press the button for a short time to enter the timer
interface. Press the button longer to enter the waveform
display.
Press the button a short time to configure the network
connection information. Press the button longer to enter the
storage system.
Press the button to enable/disable the remote sense
function.
Press the button to enable/disable the channel
output.
4. Output Terminal

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4SPD1168XQuickStart
Physical output connections to the external circuit.
5. Ground Terminal
This terminal is connected to the instrument chassis and
ground wire and is in grounded state.
6. Sense terminal
Used to sense the actual voltage at the load. This allows the
source to compensate the voltage drop caused by the leads
between the power supply and the load and increases the
accuracy of the voltage delivered to the load.
7. Power key
Turn on or off the instrument.

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5. AC line power selection switch
6. LAN interface
7. USB device
8. Fan
Connect power
The power supply supports a variety of AC line power input values.
For each line voltage, the rear panel voltage selector settings are
different, as shown in table 1 below.
Table 1:AC input line power specifications
AC power input Voltage selector
configure
100VAC ±10%，50~60Hz
120VAC ±10%，50~60Hz
220VAC ±10%，50~60Hz
230VAC ±10%，50~60Hz

SIGLENT
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Please connect the power carefully follow the steps below:
1. Check the input power
Make sure that the AC line power to be connect to the
instrument meets the requirements in Table 1.
2. Check the voltage selector at the rear panel
Make sure that the voltage selector setting at the rear panel of
the instrument matches the actual input voltage.
3. Check the fuse
When the instrument leaves factory, the specified fuse is
installed. Please check whether the fuse matches the actual
input voltage according to the "Input Power Requirements" at
the rear panel of the instrument.
4. Connect the power
Connect the instrument to AC power supply using thepower
cord provided in the accessories. Then turn on the power.
WARNING
Before switching the input power supply voltage, please
disconnect the power supply before setting the voltage
selectorTo the appropriate gear.
WARNING
To avoid electric shock, make sure that the instrument is
correctly grounded.

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User interface
Figure 4: The user interface
1. Channel output state
2. Remote sense mode
3. LAN connection icon
4. USB connection icon
5. Output mode
6. Output programmed values

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7. Measured output values
8. Timer state
Output Inspection
1. Check the output voltage
（1） Turn on the power and make sure the channel current
setting is not zero when the instrument has no-load.
（2） Presson/off button, the supply should be working in
constant voltage (CV) mode. You can check the voltage
range by adjustingthe voltage setpointfrom the minimum
(0V) to the maximum value (16V).
2. Check the output current
（1） Turn on the power and make sure the voltage setting is
not zero.
（2） Connect the output terminals(short) with aninsulated wire
that can handle 10 A or more (18 AWG single core, for
example).
（3） Activate the output by pressingthe on/off button. The low
impedance (shorted) output will cause the instrument to
enter current control (CC) mode. You can check the
current range by adjusting the current setpointfrom the
minimum (0A) to the maximum value (8A).
Fuse Replacement
The specifications of the fuse are relative to the actual input line
voltage, shown in the table below. You also can refer to the rear
panel “input power requirement”.
Input
voltage
Fuse
specification

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To replace the fuse, please follow the steps below:
1. Turn off the instrument and remove the power cord.
2. Insert a small straight screwdriver into the slot at the
power socket and gently pry out the fuse seat.
3. Adjust the power voltage selector manually to select the
correct voltage scale.
4. Take out the fuse and replace it with the specified fuse
(for the corresponding relations between the input
voltage and fuse specification, refer to the “input power
requirement” at the rear panel).
5. Re-insert the fuse holder into the power socket (please
pay attention to the direction).
WARNING
To avoid personal injuries, unplug the power supply before
replacing the fuse. To avoid electric shock or fire, select the
proper power supply specification and replace only with the
proper fuse.
100/120VAC T6.3A
220/230VAC T3.15A

SIGLENT
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Troubleshooting
Here are some commonfailures and their solutions. If the problem
persists after following the listed steps, please contact SIGLENT.
1. The instrument cannot start up.
(1) Check whether the power is correctly connected.
(2) Check whether the power switch at the front panel is really
on.
(3) Remove the power cord and check whether the voltage
selector is at the proper scale, whether the specification of
the fuse is correct and whether the fuse is intact. If the fuse
needs to be changed, refer to “To Replace the Fuse”.
(4) If the problem remains, please contact SIGLENT.
2. The constant voltage output is abnormal.
(1) Check whether the maximum output power of the scale
currently selected fulfills the load requirement. If yes, go to
the next step.
(2) Check the cable connecting the load and power supply
for short-circuits.
(3) Check whether the load is normal.
(4) Check whether the current setting value of this scale is
proper.If it is too low, increase it.
(5) If the problem remains, please contact SIGLENT.
3. The constant current output is abnormal.
(1) Check whether the maximum output power of the scale
currently selected fulfills the load requirement. If yes, go to
the next step.
(2) Check whether the cable connecting the load and power

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12SPD1168XQuickStart
supply is in good condition.
(3) Check whether the load is normal.
(4) Check whether the voltage setting value of this scale is
proper. If it is too low, increase it.
(5) If the problem remains, please contactSIGLENT.
Contact SIGLENT
America
SIGLENT Technologies America, Inc
6557 Cochran Rd Solon, Ohio 44139
Tel: [phone]
Toll Free:877-515-5551
Fax: [phone]
[email protected]
www.siglentamerica.com
Headquarters
SIGLENT TECHNOLOGIES CO., LTD.
Blog No.4 & No.5, Antongda Industrial Zone, 3rd Liuxian Road, Bao’an District, Shenzhen,
518101, China.
Tel:+ 86 755 3661 5186
Fax:+ 86 755 3359 1582
[email protected]
www.siglent.com/ens
Europe
SIGLENT TECHNOLOGIES EUROPE GmbH
Liebigstrasse 2-20, Gebaeude 14, 22113 Hamburg Germany
Tel: [phone]
Fax: [phone]
[email protected]
www.siglenteu.com