Topward 3302A, 3302AR, 3302D, 3302DR, 3303A Operation Manual

3000 Series

Operation Manual

3000 Series

Copyright

Copyright © 1995 by this company. All rights reserved. No part of this publication may be
reproduced in any form or by any means without the written permission of this company.

Disclaimer

This company makes no representations or warranties, either expressed or implied, with respect to the
contents hereof and specifically disclaims any warranties, merchantability or fitness for any particular
purpose. Further, this company reserves the right to revise this publication and to make changes from
time to time in the contents hereof without obligation of this company to notify any person of such
revision or changes.

ii

3000 Series

Table of Contents

1. Overview ................................................................................... 1

1.1 Introduction............................................................................................1

1.2 Unpacking and Checking ......................................................................1

2. Front, Rear and Bottom Panels................................................... 2

2.1 Front Panels ..........................................................................................2

2.2 Rear Panels and Bottom Panels...........................................................5

3. Operation .................................................................................... 7

3.1 Pre-installation.......................................................................................7

3.2 Setting the Output Voltage and Output Current ....................................7

3.3 Constant Voltage/Constant Current Characteristics .............................8

3.4 Operation Modes...................................................................................8

3.4.1 Serial...........................................................................................8

3.4.2 Parallel ........................................................................................9

4. Maintenance.............................................................................. 11

4.1 Changing the Fuse............................................................................. 11

4.2 Changing the Voltage......................................................................... 11

5. Specifications ............................................................................ 12

iii

3000 Series

1. Overview

This 3000 Series Direct Current (DC) Power Supply Operation Manual contains an introduction to the
power supply, a description of its functions, the operation procedure, the scope of application and the
specifications. The models are the 3203A, 3203AR, 3203D, 3203DR, 3302A, 3302AR, 3302D,
3302DR, 3303A, 3303AR, 3303D, 3303DR, 3601A, 3601AR, 3601D, 3601DR, 3306D, 3306DR,
3603D, 3603DR, 33010D and 33010DR.

1.1 Introduction

The 3000 Series is a single-channel-output DC power supply with the following features:

• Constant voltage and constant current output

• Short circuit and external input protection

• Allows serial or parallel connection with the same power supply model

Special Functions on Remote Models

The following functions are available only on the remote models 3203AR, 3203DR, 3302AR,
3302DR, 3303AR, 3303DR, 3601AR, 3601DR, 3306DR, 3603DR and 33010DR:

• Output voltage readback

• Output current readback

• Remote or manual-controlled ON/OFF without using the power switch

• Control of output voltage and current using external voltage and resistor

• Remote sensing

1.2 Unpacking and Checking

Unpack and check that you have the following items:

• One power cable

• This Operation Manual

• Remote-Control Operation Manual (remote models only)

• One ACS-002 banana clip

• Two phone jacks (remote models only)

• Two 9-pin RS-232C connectors (remote models only)

1

3000 Series

2. Front, Rear and Bottom Panels

2.1 Front Panels

Front panel with digital
display for models
3203DR, 3302DR,
3303DR and 3601DR

2