GW Instek PST User Manual

PST-3201/3202 PROGRAMMABLE POWER SUPPLY

USER MANUAL

CONTENTS PAGE

1. PRODUCT INTRODUCTION......................... ........... ........... ..

1-1. Description……………………………………………… 1-2. Feature…………………………………………………...

2. TECHNICAL SPECIFICATIONS…………………………

3. PRECAUTIONS BEFORE OPERATION…….…………... 3-1. Unpacking the Instrument……………….………….…. 3-2. Checking the Line Voltage…………………..…………. 3-3. Environment……………………………………..……...

4. PANEL INTRODUCTION……………………..…………...

OPERATION METHOD………………………………...…. 5-1. Output Voltage/Current Setting…………………..…… 5-2. Over Voltage/Current Protection Setting……………... 5-3. Voltage/Current Step Setting………………………….. 5-4. Information Storing & Recalling Setting……………… 5-5. Information Editing & Copying Setting………………. 5-6. Auto Operation Mode….………………………………. 5-7. Parallel Operation Mode…………………………….…. 5-8. Track Operation Mode………………………………… 5-9. GPIB/RS-232 Interface Setting…………………………

5-10.The Maximum Output Setting………………………....

5-11.Test Lead……………………………………………….. 5-12. The Setting of the GPIB and RS 232 Interf ace………..

MAINTENANCE………………………..………………….. 6-1. Fuse Replacement………………………………………. 6-2. Line Voltage Conversion……………………………….. 6-3. Adjustment and Calibration…………………………… 6-4. Cleaning…………………………………………………

THE SYSTEM DIAGRAM AND DESCRIPTION……….. 7-1.Block Diagram…………………………………………... 7-2.The Operation of the whole circuit……………………...

1 1 1 3 5 5 5 6

7 11 11 12 13 13 15 16 17 17 18 19 20 20 21 21 21 22 28 29 29 30

USER MANUAL

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.

WARNING: This equipment is not for measurements performed for CAT II, III and IV.

Measurement category I is for measurements performed on circuits not directly

connected to MAINS. Measurement category II is for measurements performed on circuits directly connected to the low voltage installation. Measurement category III is for measurements performed in the building installation. Measurement category IV is for measurements performed at the source of the lowvoltage installation.

The following symbols may appear in this manual or on the product:

DANGER ATTENTION Protective Earth (ground) Frame or Chassis

High Voltage refer to Manual Conductor Terminal Terminal

Terminal

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PST-3201/3202 PROGRAMMABLE POWER SUPPLY

USER MANUAL

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:

USER MANUAL

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

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.

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.

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.

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PST-3201/3202 PROGRAMMABLE POWER SUPPLY

USER MANUAL

Declaration of Conformity

GOOD WILL INSTRUMENT CO., LTD.

No. 7-1, Jhongsing Rd., Tucheng City, Taipei County 236, Taiwan

GOOD WILL INSTRUMENT (SUZHOU) CO., LTD. No. 69 Lushan Road, Suzhou New Distri ct Jian gsu, C hin a.

declares that the below mentioned products

PST-3201, PST-3202

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, 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: 1991+A1: 1997+A2: 1996

Current Harmonic

EN 61000-3-2: 1995+A1: 1998+A2: 1998 +A14: 2000

Voltage Fluctuation

EN 61000-3-3: 1995

-------------------------

◎ Safety

Low Voltage Equipment Directive 73/23/EEC & amended by 93/68/EEC

IEC/EN 61010-1: 2001

Electrostatic Discharge EN 61000-4-2: 1995 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 Voltage Dips/ Interrupts EN 61000-4-11: 1994

USER MANUAL

1. PRODUCT INTRODUCTION

1-1.Description

PST-series Programmable Power Supply is controlled by Micro Processor Unit (MPU) that can easily connect communication interface RS-232 or GPIB to computer in order to satisfy users’ demand for autotesting and auto -co ntro l.

The voltage and current are completely controlled by 12 bits D/A Converter with higher resolution and accuracy. Also, the digitalization of system makes a speedy, precise and convenient input of information controlled by keyboard.

The adjustment of voltage/current is made by software calibration without manual error that will increase the preciseness of the instrument.

The function of Over Voltage Protection (OVP) and Over Current Protection (OCP) is set with software and detected with hardware to achieve protected function precisely and speedily in order to secure user s from danger by using the instrument.

1-2. Feature

1) An overall digitalization of programmable interface with high

resolution.

2) The 192×128 LCD Display can appear multiple settings and

measurement results simultaneously.(The display mode is changeable).

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PST-3201/3202 PROGRAMMABLE POWER SUPPLY

USER MANUAL

3) Intuitional, intelligent interface window display is convenient for

user to operate the instrument.

4) High stability and low draft.

5) The function of over voltage/current/temperature pro tection.

6) Intelligent control fan (Vary with different output power.)

7) Warning signal by the built-in Buzzer.

8) Step by step calibration procedure.

9) Brand new panel design and the 1/2 rack size reduction volume

design.

10) Wheel knob of Fine and Coarse.

11) 100 groups storage space setting.

12) Parallel and series operation modes.

13) IEEE-488.2 and SCPI compatible command setting.

14) 0.1 sec timer for output working loop (Auto step running)

15) Correspond to CE safety regulation.

USER MANUAL

2. TECHNICAL SPECIFICATIONS

SPECIFICATIONS PST-3201 PST-3202

Voltage 0-32V×3 0-32V×2, 0-6V×1 Current 0-1A×30-2A×2, 0-5A×1Output OVP 0-33V×3 0-33V×2, 0-7V×1 Voltage ≦3mV(≦5mV rating current>3.0A), test points are

at the + output terminal and - output terminal point.

Load Effect

Source Effect

Resolution

Program Accuracy (25±5℃)

Ripple & Noise (20Hz~20MHz)

Coefficient (0~40℃)

Resolution Response Time

Voltage Up Voltage Down

Temperature Coefficient

Drift

Current ≦3mA(≦5mA rating current>3.0A) , test points

are at the + output terminal and - output terminal point.

Voltage ≦3mV, test points are at the + output terminal and -

output terminal point.

Current ≦3mA, test points are at the + output terminal and -

output terminal point.

Voltage Current 1mA(2mA rating current>3.0A)

OVP 10mV Voltage ≦0.05%+20mV Current ≦0.1%+5mA(+10mA rating current> 3.0A) OVP ≦0.05%+20mV Voltage Ripple≦1mVrms/3mVp-p

Current ≦3mArms(≦5mArms rating current>3.0A) Voltage ≦100ppm+3mVTemperature

Current ≦100ppm+3mA Voltage 10mVReadback

Current 1mA(2mA rating current >3.0A)

10%~90% ≦100ms 90%~10% ≦100ms (≧10% rating load) Voltage ≦100ppm+10mVReadback

Current ≦150ppm+10mA Voltage ≦100ppm+10mV

Current ≦150ppm+10mA

10mV

Noise≦2mVrms/30mVp-p

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PST-3201/3202 PROGRAMMABLE POWER SUPPLY

USER MANUAL

Track Operation

Parallel Operation

Memory Store/Recall points 0~99

Interface RS232, GPIB interface option Power Source AC100V, 120V, 220V±10%, 230V +10%/-6% 50/60Hz. Power Consumption

Mechanical Spec.

Operation Environmental

Storage Temperature & Humidity

Accessories

Tracking Error Series (Load Effect)

Program Accuracy

Load Effect

Source Effect

Setting time 0.1sec~99min59sec(max × 100) Resolution- 0.1secTimer Function For output working loop (Auto Step running)

PST-3201: 210W PST-3202: 360W Dimensions 230(W)×140(H)×380(D) mm. Weights 10 kg Indoor use, Altitude up to 2000 m Ambient temperature : To satisfy specifications : 10℃ to 35℃ ( 50° F to 95°F ) Maximum operating ranges: 0℃ to 40℃( 32°F to 104°F ) Relative humidity: 85% RH(max.) non condensing Installation Category: II Pollution degree: 2

-10℃ to 70℃, 70%RH (maximum)

Power cord….............…………× 1

Instruction manual……………..× 1

Programmer manual................. × 1

Test Lead……….…………….. × 3

≦0.1%+20mV

≦20mV

Voltage≦0.05%+20mA Current≦0.1%+10mA OVP≦0.05%+20mA Voltage≦3mV(≦5mV rating current>3. 0A) Current≦6mA, test points are at the + output terminal and – output termi nal poin t.

Voltage≦3mV, Current≦6mA, test points are at the + output terminal and – output terminal point.

USER MANUAL

3. PRECAUTIONS BEFORE OPERATION

3-1.Unpacking the Instrument

The product has been fully inspected and tested before shipping from the factory. Upon receiving the instrument, please unpack and inspect it to check if there is any damage caused during transportation. If any sign of damage is found, notify the bearer and/or the dealer immediately.

3-2.Checking the Line Voltage

The product can be applie d by any kind of line vo ltages shown in the table below. Before connecting the power plug to an AC line outlet, make sure the voltage selector of the rear panel is set to the correct position corresponding to the line voltage. It might be damaged the instrument by connecting to the wrong AC line voltage.

WARNING. To avoid electrical shock the power cord protective grounding conductor must be connected to ground.

When line voltages are changed, replace the required fuses shown as below:

Model

PST-3201

PST-3202

Line

voltage

100V 120V

WARNING. To avoid personal injury, disconnect the power

cord before removing the fuse holder.

Input

Range

90-110V

108-132V

Fuse

T3A

250V

T5A

250V

Line

voltage

220V 230V

Input

Range

198-242V 216-253V

Fuse

T1.6A

250V

T2.5A

250V

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PST-3201/3202 PROGRAMMABLE POWER SUPPLY

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3-3.Environment

The normal ambient temperature range of this instrument is from 0° to 40°C (32° to 104°F). To operate the instrument exceeding this specific temperature range may cause damage to the circuits of instrument. Do not use the instrument in a place where strong ma gnetic or electric field exists as it may disturb the measurement.

USER MANUAL

4. PANEL INTRODUCTION

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Figure 4-1 Front Panel

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