GW Instek PSP User Manual
PSP SERIES
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USER MANUAL
PSP SERIES
USER MANUAL
CONTENTS PAGE
1. Product Introduction…………............ ..............................…...
2.
Safety Information……………………….……………….…...
3.
Technical Specification………….……………………………..
4.
Panel Controls and Indicator………………………….…..….
5.
Functional Description of Operation Element……...………..
6.
Operating Instruction with Keypad Input...............................
7.
Disposal......……………………………………………………..
8.
Rectification of Faults………….………………………………
9.
Maintenance..........……….…………………………………….
APPENDIX: Connectin
10.
the Programmable Power Suppl
via RS232 Interface............................ ... ......................................
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Declaration of Conformity
We
GOOD WILL INSTRUMENT CO., LTD.
No. 7-1, Jhongsing Rd., Tucheng City, Taipei County 236, Taiwan.
declares that the below mentioned product
PSP-603, PSP-405, PSP-2010
Are herewith confirmed to comply with the requirements set out in the Council
Directive on the Approximation of the Law of Member States relating to
Electromagnetic Compatibility (89/336/EEC, 92/31/EEC, 93/68/EEC) and Low
Voltage Equipment Directive (73/23/EEC, 93/68/EEC). For the evaluation regarding
the Electromagnetic Compatibility and Low Voltage Equipment Directive, the
following standards were applied:
◎ EMC
EN 61326-1: Electrical equipment for measurement, control and laboratory use ––
EMC requirements (1997+A1: 1998)
Conducted and Radiated Emissions
EN 55011: 1998
Current Harmonic
EN 61000-3-2: 1995+A1: 1998+A2: 1998
Voltage Fluctuation
EN 61000-3-3: 1995
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Electrostatic Discharge
EN 61000-4-2: 1995+A1:1998
Radiated Immunity
EN 61000-4-3: 1996
Electrical Fast Transients
EN 61000-4-4: 1995
Surge Immunity
EN 61000-4-5: 1995
Conducted Susceptibility
EN 61000-4-6: 1996
P.F.Magnetic Field
EN 61000-4-8: 1993
Voltage Dips/ Interrupts
EN 61000-4-11: 1994
◎ Safety
Low Voltage Equipment Directive 73/23/EEC & amended by 93/68/EEC
IEC/EN 61010-1: 2001
EN 60950 :1992+A1:1993+A2 :1993+A3 :1995+A4 : 1997+A11: 1997
IEC 60950:1991+A1:1992+A2 :1993+A3 :1995+A4 : 1996
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SAFETY TERMS AND SYMBOLS
These terms may appear in this manual or on the product:
WARNING. Warning statements identify condition or
practices that could result in injury or loss of life.
CAUTION. Caution statements identify conditions or
practices that could result in damage to this product or
other property.
The following symbols may appear in this manual or on the
product:
FOR UNITED KINGDOM ONLY
NOTE: This lead/appliance must only be wired by competent
persons
WARNING: THIS APPLIANCE MUST BE EARTHED
IMPORTANT: The wires in this lead are coloured in accordance
with the following code:
Green/ Yellow: Earth
Blue: Neutral
Brown: Live (Phase)
As the colours of the wires in main leads may not correspond with
the colours marking identified in your plug/appliance, proceed as
follows:
DANGER ATTENTION Protective Earth (ground) Frame or
High Voltage refer to Manual Conductor Terminal Chassis
Terminal Terminal
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The wire which is coloured Green & Yellow must be connected to
the Earth terminal marked with the letter E or by the earth
symbol
or coloured Green or Green & Yellow.
The wire which is coloured Blue must be connected to the
terminal which is marked with the letter N or coloured Blue or
Black.
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The wire which is coloured Brown must be connected to the
terminal marked with the letter L or P or coloured Brown or Red.
If in doubt, consult the instructions provided with the equipment
or contact the supplier.
This cable/appliance should be protected by a suitably rated and
approved HBC mains fuse: refer to the rating information on the
equipment and/or user instructions for details. As a guide, cable of
0.75mm
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should be protected by a 3A or 5A fuse. Larger
conductors would normally require 13A types, depending on the
connection method used.
Any moulded mains connector that requires removal /replacement
must be destroyed by removal of any fuse & fuse carrier and
disposed of immediately, as a plug with bared wires is hazardous if
a engaged in live socket. Any re-wiring must be carried out in
accordance with the information detailed on this label.
1. Product Introduction
The PSP series is a programmable switching power supply with backlit
liquid crystal display built to the latest technological standards.
Construction is in accordance with VDE 0411 = EN 61010. Moreover, the
PSP series has been EMV-tested and fulfils the requirements of the
applicable European and national directives. Conformance to these has
been proven; the relevant statements and documents are lodged with the
manufacturer.
Note: This is a Class A device which can cause RF
interference within the home.
To maintain this condition and to guarantee safe operation, the user
must observe these operating instructions without fail.
Application Note
z Connection of low-voltage loads to the marked connection sockets
provided for this purpose and their operation at a voltage between 0 to
rating voltage.
z The current consumption of a connected load may not exceed rating
current.
z The Switching Power Supply PSP series is suitable for connection to
115 or 230 V 50/60 Hz AC power sockets.
z Operation must not take place under unfavorable ambient conditions
including:
-Moisture or excessive air humidity.
-Dust and combustible gases, fumes or solvents.
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-Thunderstorms or storm conditions such as strong electrostatic fields,
etc.
Any use other than above description may leads to damage to the unit;
or causes dangers such as short circuit, fire, electric shock, etc. No part
of the product may be modified or converted. The safety instructions are
to be followed without fail.
2. Safety Information
Note: Damage caused by failure to observe the operating
instructions voids the guarantee.
We accept no liability for consequential damage and accept no responsibility
for damage to property or injury to persons caused by improper operation
or failure to observe the safety instructions. Such cases void the guarantee.
a) Installation and handling safety instructions
Observe the following rules when installing the instrument:
a1. Avoid use the instrument in extremely cold or hot locations or
directly adjacent to a heating fan.
a2. Never switch the instrument on immediately when it is brought
from a cold environment into a warm room until the instrument
comes to room temperature as under the adverse conditions, the
resultant condensation may destroy the instrument.
a3. Ensure there is proper ventilation for the vents in the case (front left
side and cooling fan on the rear) to prevent heat build-up from
damaging the instrument.
a4. Never operate the instrument near hot soldering irons.
a5. Do not place the Power Supply with its front panel down to avoid
damaging the operating controls.
b) General safety requirements
The Switching Power Supply PSP series has been fully inspected and
tested with technically safe condition before shipping from the factory.
To maintain this condition and to ensure safe operation, it is essential
for the user to observe the safety instructions and warning notes which
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are contained in this user manual.
The instrument is constructed to Protection Class I. It is equipped with
a VDE-approved power supply with safety cab le and may on ly be us ed
with and connected to AC supplies with safety earthing.
Ensure that the (yellow/green) earthed wire in the instrument, in its
power cable and in the AC supply remains sound, because a damaged
earth wire can endanger life.
In commercial facilities the accident-prevention regulations of the
industrial employers' liability association for electrical systems and
equipment must be observed.
In schools, training facilities, hobby and self-help workshops, the
operation of power supplies and accessories must be supervised by the
trained personnel.
Make sure that only the fuses of the given types and nominal current
ratings are used as replacements. The use of repaired fuses or the
bridging of fuse holders is not permitted. A small flat-bladed
screwdriver is required to change the AC fuse. Carefully lever up the
While proceeding the operation of power supplies, the wearing of
metal or other conducting jewelry such as chains, bracelets, rings, etc.
is not recommended.
Note: Power supplies are not intended for use with/on
people or animals.
When connecting the outputs of more than one power supply in series
voltages may danger to life (> 35 VDC). Only power supplies with an
identical output (current and voltage) specification may be placed in
series or in parallel, otherwise the weaker of the two will be damaged.
The instrument is to be placed onto a hard, non-inflammable base, so
that cooling air can enter unhindered. The cooling of the unit occurs
predominantly through convection.
Note: Power supply ventilation holes should not be
covered.
cover in the AC power socket and withdraw it. Remove the defective
fuse and replace it with an intact one of the same type and nominal
current rating. Afterwards replace the fuse cover.
The measuring instrument is operated only when the case is securely
closed and screwed up.
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Power supplies and their connected loads should not be left operating
unsupervised. There are measures for the protection and safety of
connected loads in the face of power supply incidents (e.g.
overvoltages, complete failure) and effects and dangers stemming
from the loads themselves (e.g. unduly-high current consumption).
Faulty power supplies can produce voltages over 50 V DC, which can
be dangerous even when the indicated normal output voltages of the
units are lower than this.
Note: For power-on work, only tools expressly intended
for this should be used.
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The power supply outputs and connecting leads, sockets and terminals
must be protected from being touched directly. In addition, the leads
used must be sufficiently insulated and voltage-proof and the con tact
points safe from being touched (safety sockets).
Use of bare metal leads and contacts should be avoided. All such items
are to be covered by suitable, nonflammable insulating material or
other measures taken and therefore protected from being touched
directly. The electrically conducting parts of the connected load must
also be appropriately protected from being touched directly.
If the instrument is assumed that safe operation is no longer possible
according to the following phenomena, then the unit must be switched
off and protected against unintentional operation:
- the unit shows visible signs of damage,
- the unit no longer functions and
- after prolonged storage under unfavourable conditions or
- after severe transportation stress.
Do switch on the switched power supply immediately when it has been
brought from a cold environment into a warm room until it comes to
room temperature as under adverse conditions, the resultant
condensation can destroy the unit.
3. Technical Specifications
Model PSP-603 PSP-405 PSP-2010
Operating voltage 115/230 VAC ±15%
Power frequency 50/60 Hz
Power consumption approx. 420VA max.
Power output 200W max.
Output voltage 0~60VDC, 20mV
resolution
Program Accuracy ±0.05%±4 digits ±0.05%±3 digits ±0.05%±3 digits
Output Current 0~3.5A
2mA resolution
Program Accuracy ±0.1%±5 digits ±0.1%±5 digits ±0.3%±10 digits
Voltage Load Regulation ≦ 10 mV
Current Load Regulation ≦ 5 mA
Voltage Line Regulation. ≦ 0.05%
Current Line Regulation ≦ 0.05%
Ripple Voltage ≦ 20 mV rms
Ripple Current ≦ 10 mArms
Readback Resolution
(Meter)
Rise Time ≦150ms (≦95% rating load)Response
Time
Recovery Time 30ms (50% Load Change, Minimum load 0.5A)
Voltage ±0.05%±4 digits ±0.05%±3 digits ±0.05%±3 digits
Current ±0.1%±5 digits ±0.1%±5 digits ±0.3%±10 digits
Digital Display Multi-line LCD with background lighting
AC fuse Slow-blow T6.3A/250V for 115V, T3.15A/250V for 230V
Command Process Time 250ms
Interface (Standard) RS-232C
Weight Approx. 4 kgs
Dimensions
(W × H × L)
Fall Time ≦150ms (≧10% rating load)
20mV 2mA 10mV 2mA 10mV 5mA
Readback Accuracy (Meter)
(without stand and power cable)
0~40VDC,
10mV resolution
0~5A
2mA resolution
Approx. 225×100×305 m/m
0~20VDC, 10mV
resolution
0~10A
5mA resolution
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Environmental Conditions
Operating
Environment
Operating temperature &
Humidity
Indoor use, altitude up to 2000m.
Ambient Temperature 0℃ to 40℃.
Relative Humidity 80%(Maximum).
Installation category II
Pollution Degree 2
0°C to +40°C
80% (Maximum), non-condensing
Storage temperature range -10°C to +70°C
Power cord….............……….. 1
Accessories
Instruction manual…………… 1
Test Lead……….……………. 1
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4. Panel Controls & Indicator
Front Panel
1) 4 mm safety sockets: 1a negative connection "-", 1b positive
connection "+" and 1c earth connection.
2) "POWER" AC switch for switching the power supply on ("1") and
off ("0").
3) Encoder wheel for changing the V SET, V LIMIT, I LIMIT, P
LIMIT, +%, and -% parameter settings.
4) Keypad for actual operation of the Switching Power Supply PSP
series. The exact description follows below.
5) Backlit LCD Display with indication of the output voltage, curren t,
power settings and indication of the V, I and P limits. Addition ally,
indication of OUTPUT On or Off and keypad locke d or unl oc ked.
Rear Panel
6) AC rear power socket.
7) RS-232 interface (with optocoupler) for connection to PC.
8) Cooling fan.
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z Front Panel
z Rear Panel
Figure 4-1
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Figure 4-2
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