3COM 3644A, 3645A, 3646A User Manual

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3600 SERIES USER MANUAL
Programmable DC
Power supply
3600 SERIES
user’s manual
2.3 The operation of the function...................8
2.3.1 Set up voltage..................................9
2.3.2 Set up current...................................10
2.3.3 Enable/disable the output....................10
2.3.4 Store parameters..............................11
2.3.5 Recall parameters.............................12
2.3.6 The function of the Menu...................12
2.3.6.1 Set up the maximum
output voltage..............................13
2.3.6.2 Set up the maximum
output power .............................13
2.3.6.3 Enable/disable the rotary knob..........14
2.3.6.4 Set up the initial out state...............14
2.3.6.5 Save voltage setting.........................14
2.3.6.6 Set up communication speed...........14
2.3.6.7 Set up communication
address (0~31)..............................15
2.3.6.8 Lock the keypad...........................15
2.3.6.9 Clear saved parameters....................15
2.3.6.10 Exit ..............................................15

CONTENTS

Safety Guide...............................................1
Chapter 1 General Introduction ...................4
1.1 General Introduction...............................4
1.2 Specifications.........................................4
1.3 Features ..............................................5
1.4 Dimensions and Structure.......................5
1.4.1 Dimension...........................................5
1.4.2 Structure.............................................6
1.4.2.1 Front view .......................................6
1.4.2.2 Back view........................................7
Chapter 2 Operation....................................8
2.1 General operation .................................8
2.2 Function introduction..............................8
2.2.1. Main functions..................................8
2.2.2 Sub-functions.....................................8
Chapter 3 Installation of PowerMS Software
...................................................16
3.1 System Installation...............................16
3.2 System Start.........................................17
3.3 System Uninstallation...........................18 Chapter 4 The Introduction of main functions
................................................19
4.1 The Definition of the Power Supply..........19
4.2 The COM Port and Address Set.............20
4.3 Start the Communication........................21
4.4 Stop the Communication.......................21
4.5 Select POWER.....................................21
4.6 Select PC to POWER
Control Instructions..............................22
4.7 Set the Voltage Range..........................22
4.8 Set the Max Current..............................22
4.9 Query the Report..................................23
4.10 Explanation of the Interface
Indicating Components.......................24
4.11 The State Bar......................................24
4.12 Power Supply State Indication..............25
4.13 Exit the System..................................25
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SAFETY GUIDE

This manual contains the precautions necessary to ensure your personal safety as well as for protection for the products and the connected equipment. These precautions are highlighted with a triangle “W ARNING” symbol in this manual and are marked according to the danger levels as follows:
Danger
It indicates that if appropriate precautions are not taken, serious incidents of personal injuries and deaths or significant damages or losses to the properties will be caused.
Caution
It indicates that if appropriate precautions are not taken,injuries or losses of properties will take place
Note: Reminds you to pay particular attention to the important information related to the products, disposal of products or the specific part of documents.
Warning
Only qualified personnel are allowed to debug and operate this equipment. The qualified personnel are specified as those personnel who carry out commissioning, grounding and apply the volume identification to the circuits, equipment and systems according to the available safety practices and standards.
Note
Only when this product is transported, stored assembled and installed in a proper way and operated and maintained according to the recommendations, can it implement the func­tions properly and reliably.
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The following general safety precautions must be observed during all phases of operation, service, and repair of this instrument. Failure to comply with these precau­tions or with specific warnings elsewhere in this manual violates safety standards of design, manufacture, and intended use of the instrument. The Manufacturer assumes no liability for the customer’s failure to comply with these requirements.

Attention

I. Safety
1. Users should operate according to this manual.
2. There is high voltage inside the instrument, please avoid touching it directly.
3. Please read the user manual carefully before you use the instrument to assure your
safety.
4. Ground the Instrument
This product is provided with a protective earth terminal. To minisize shock hazard, the instrument chassis and cabinet must be connected to an electrical ground. The instrument must be connected to the AC power supply mains through a three-conduc­tor power cable, with the third wire firmly connected to an electrical ground (safety ground) at the power outlet.
5.Keep Away From Live Circuits
Operating personnel must not remove instrument covers. Component replacement and internal adjustments must be made by qualified service personnel. Do not split the components when power cable connected.
Under certain conditions, dangerous voltages may exist even with the power cable removed. To avoid injuries, always disconnect power, discharge circuits and remove external voltage sources before touching components.
Do Not Substitute Parts or Modify Instrument
Because of the danger of introducing additional hazards, do not install substitute parts or perform any unauthorized modification to the instrument. Return the instrument to a qualified dealer for service and repair to ensure that safety features are maintained.
II. Connecting the power line
1. Inspect the power selection switch on the back panel, to assure if the selected voltage is the same as environment power voltage. If not, please refer to the notice around the power plug.
2. Before connecting the power supply, please be sure that the switch on the front panel should be in the off position.
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3. Connect the power cable to the AC in the power supply and the 3 connector plug.
Please be sure that the power supply is grounded.
4. Press the switch on the front panel to switch on the instrument and you can start
to use it.
III. Fuse
1. The fuse is at the position of power input part on the back panel, for the purpose of avoiding failure brought by using wrong voltage. Please pay attention to the follow­ing items when you change the voltage input and the fuse.
2. Before changing the voltage and fuse, please be sure that the AC power is switch­ing off, and be sure that there is no other equipment connected to this instrument.
3. Put a screwdriver into the fuse mounting, press it and the fuse mounting will pop up.
4. Pull out the fuse, change it according to the label beside the power input plug.
Warning: To avoid damaging the instrument, please be sure to change a suitable
type fuse.
IV. Power supply
1. For safety reasons, please be sure not to have any short circuit between plus and minus pole.
2. Output wire should be insulated completely to the connected equipment.
3. Before using the instrument, you should switch on the power supply for 30 minutes.
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Chapter 1 General Introduction

1.1 General Introduction

The ARRA Y 3600 Series Power Supply is a compact programmable DC power supply. It is equipped with back-light LCD display, number keypad and rotary knob which make it much easier to use. It can be operated at constant voltage mode or constant current mode. Pro­gramming feafures include over-current protection, maximum output voltage and power limitation, and 10 parameters storage. It is an essential instrument for scientific research, education, service and so on institutions.

1.2 Specification

Model 3644A 3645A 3646A Number of outputs 1 1 1
DC outputs
Voltage 0 to 18V 0 to 36V 0 to 72V Current 5A 3A 1.5A
Power(max) 90W 108W 108 W Line Regulation
Voltage 0-3.999V: 0.01% + 3mV 0-3.999V: 0.01% + 3mV 0-3.999V: 0.01% + 3mV
4-18V: 0.02% + 10mV 4-36V: 0.02% + 10mV 4-72V: 0.02% + 10mV
Current 0.02% + 8mA 0.02% + 8mA 0.02% + 8mA
Load Regulation
Voltage 0.02% + 20mV 0.02% + 10mV 0.02% + 10mV Current 0.02% + 15mA 0.02% + 10mA 0.02% + 8mA
Ripple and noise
Voltage <1mVrms <1mVrms <1mVrms Current <5mArms <4mArms <3mArms
Programming accuracy at 25 C+/- 5 C
Voltage 0.1% + 20mV 0.1% + 20mV 0.1% + 20mV Current 0.2% + 20mA 0.2% + 20mA 0.2% + 20mA
Readback accuracy at 25 C +/- 5 C
Voltage 0.2% + 20mV 0-19.999V: 0.2% + 20mV 0-19.999V: 0.2% + 20mV
20-36V: 0.2% + 100mV 20-72V: 0.2% + 100mV
Current 0.2% + 20mA 0.2% + 20mA 0.2% + 20mA
Program resolution
Voltage 0-3.999V: 1mV 0-3.999V: 1mV 0-3.999V : 1mV 4-18V: 10mV 4-36V: 10mV 4-72V: 10mV Current 1mA 1mA 1mA
Readback resolution
Voltage 10mV 0-19.999V: 10mV 0-19.999V: 10mV
20-36V: 100mV 20-72V: 100mV
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1.3 Features

3600 SERIES USER MANUAL
Current 10mA 10mA 10mA
Protection Over voltage / Over current / Over power AC Input 110V/220Vac +/- 15%, 47 to 63 Hz Operating environment Weight 6.00kg Dimensions 212.6mmW x 88.1mmH x 250mmD Software PowerMS Power Management System software, ActiveX and
DLL tools support VB, VC++, DELPHI, LABVIEW
Standard Accessories Optional Accessories
* 0 to 35 C for full rated output. At higher temperaturers, the output current is derated 3% per C.
0 to 50 C, 80% RH *
User’s manual, AC cable, handlebars, software CD RS232 adaptor, RS485 adaptor , USB adaptor, Mounting rack
1. LCD display with back light.
2. Number keypad and rotary knob.
3. Maximum output voltage limitation.
4. Maximum output power limitation.
5. 10 parameters storage.
6. Can be series / parallel connected to expand output voltage/ current.
7. Free power management software.

1.4 Dimensions and Structure

1.4.1 Dimension

Fig 1 Dimension of 3600 Series Programmable DC power supply
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1.4.2 Structure

1.4.2.1 Front view

Front panel is for users to operate.
Please see the right picture for details.
1. LCD Display
2. Number Keypad
3. Rotary knob
4. Output Terminal Fig 2 Front view of 3600 Series DC power supply
1. LCD display
0.00V 0.00A
0.00W OFF
Fig 3 LCD Display of 3600 Series
power supply
2. Arrangement of the Keyboard
Fig 4 Key board of 3600 Series DC
power supply
In common state, the keypad will execute the prompting functions of the black words. And in special mode, it will change into the functions of the blue color words.
The Left-upper Corner: The set voltage value. (Flashing voltage means the low-voltage.)
The Left-bottom Corner: The output power value. (Flashing power value means the over power.)
The Right-upper Corner: The output current value.
The Right-bottom Corner: The state value.
ON(OFF) : represents the output state of the power supply . PC : represents the operation is controlled by the computer.
0~9: The number keys Store: Save the current setting value Recall: Read the saved setting value Menu: The menu operation key OUT ON/OFF: Enable/disable the output Enter: The confirmation key V-set: The output voltage set I-set: The max output current set : The up moving key : The down moving key V/A: Set the voltage as V Set the current as A mV/ mA : Set the voltage as mV Set the current as mA
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3. Rotary knob and function keys
Fig 5 Rotary knob and function keys

1.4.2.2 Back view

3600 SERIES USER MANUAL
Left Operation: The left moving key Right Operation: The right moving key ESC: Can be used to exit from any working state OK: Confirmation key Rotary knob: The rotary dial
Wire rack
fan wrap
AC input switch
Fig 6 Back view
The fuse can be changed easily by using a small screwdriver.
PC connection interface
Power supply plug
Fuse
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