Matsusada Precision EPR Series User manual

Rev. 0.0

B/N 208.9.035 *208.9.035*

MODEL

EPR series

Instruction Manual

LDe option

１Introduction 1

１－１ Introduction 1

１－２ Unpacking the POWER SUPPLY 1

１－３ Installation conditions 1

１－４ Caution for handling 2

１－５ Troubleshooting 3

２Exterior view diagram 4

３Operation manual 5

３－１ Outline 5

３－２ Operation method 5

３－３ Description of Operation Modes 6

3-3-1 Constant Voltage Mode 6

3-3-2 Constant Current Mode 6

3-3-3 Crossover Mode 6

３－４ Other function 7

3-4-1 Over voltage protection (O.V.P) 7

3-4-2 Over current protection (O.C.P) 7

3-4-3 Power failure protection 7

3-4-4 Local/Remote change 8

3-4-5 Way of changing ON and OFF of a remote switch 9

3-4-6 Door switch (Interlock) 12

3-4-7 External voltage control 12

3-4-8 Output current monitor 13

3-4-9 Output voltage monitor 13

４Start menu

４－１ Start menu 14

４－２ Setting start menu 14

４－３ Menu mode 16

CONTENTS

５LDe option

５－１ Overview of LDe option 26

５－２ Multi-set function 26

５－３ Features of Pulse Sequence 30

５－４ Example of Pulse Sequence Usage 31

５－５ Features of Ramp 35

５－６ Example of Ramp Usage 36

６LDe option command

６－１ Command list 40

６－２ Reference 41

１Introduction

１－１ Introduction

Thank you very much for your purchase of our product HIGH VOLTAGE POWER SUPPLY.

We have done our best for the quality control of the unit.

Please handle this unit properly according to this instruction manual so that you can use the full

performance of this unit safely for long.

We have carefully prepared this instruction manual, but if you find any doubtful or

unclear point or any omission, please kindly contact us shortly.

１－２ Unpacking the POWER SUPPLY

When unpacked the unit, you will please check the following accessories are enclosed with

power supply main body.

〈Accessories〉

・AC input cord (1 pc)

・Instruction manual (1 pc)

・Output Cable (1 pc)

１－３ Installation conditions

・Install the power supply unit horizontally when use.

・Never put any object on the power supply unit.

・The top and side surfaces are the cooling air supply and exhaust openings. The power

supply must be provided with adequate space and good ventilation.

・Do not operate the power supply in a dusty area or in corrosive gas environment

１Introduction

１－４Caution for handling

WHEN TOUCHING LOAD AFTER TURNING OFF A HIGH VOLTAGE

1. Make the setting of an output voltage to zero (0). Turn off the OUTPUT ON/OFF switch.

2. Make sure that the output voltage is zero with the output voltage meter of this unit.

3. Turn off the POWER ON/OFF switch.

4. Ground the output for more than 10 seconds, and make sure that the output voltage is

zero at another HV voltmeter. It is especially dangerous when a capacitive load is

connected or a long cable is attached there to.

5. Make it a rule to touch loads with right hand.

HOW TO GROUND

・For safer operation, be sure to ground the ground terminal of power supply at one point on

the ground.

・Make sure to connect the GROUND terminal correctly as shown above. Improper grounding is

dangerous and may cause an electric shock or damage the power supply.

・In case output short circuit or discharging is expected, use shorter and thicker grounding wire.

Output cable

Ground terminal

Ground

EPR

Load frame

load

１Introduction

1. It would be rather safe if the power supply is operated on an insulation board, which is

withstand the voltage used.

2. Try to handle the power supply or load with your right hand, and try to keep the left hand, for

example, putting it pocket.

3. Ground the output more than 10 seconds before touching the load after turning off the

power supply even long time has past after turning off the power supply.

１－５ Troubleshooting

・In case there is no output voltage

１．Check if the proper input voltage is supplied to the power supply.

・Power supply input voltage, AC100-240V±10%, 50/60Hz single phase

・Control voltage for external voltage control is 0 to +10V

２．Check if the connection of control on the rear panel is correct.

３．Check if the function of option is properly operated.

If “E01”is appears, firstly stop the power supply and contact our sales agent from where you

purchased. Abnormality has occurred in this unit.

FOR SAFER OPERATION

Front panel

Rear panel

Dimension 124H×450D×84W （mm）

２ Exterior view diagram

① Output voltage/current meter

② Output voltage/current preset switch

③ Output switch

④ Output voltage setting dial

① Output connector

② Ground terminal

③ Control connector (D-sub 15pin)

④ AC input connector

⑤ Upper connection switch

⑥ Optical fiber cable connector (IN)

⑦ Optical fiber cable connector (OUT)

⑤ Output current setting dial

⑥ POWER ON/OFF switch

⑦ F1 switch

⑧ F2 switch

③

①

⑤

①

②

③

④

⑥

②

⑤

⑦

⑥

⑦

⑧

３－１ Outline

This unit is a compact handy type high voltage power supply.

３－２ Operation method

1. Upon confirming the connection made with this unit as specified (Refer to 1-4[HOW TO

GROUND]), operate it. Be sure to connect the earth with the ground terminal of the unit.

2. Connect the attached AC input cord with AC input connector on the rear panel (INPUT

AC100V-240V) and plug socket.

3. Connect the interlock. (Refer to P12. 3-4-6 Door switch (Interlock))

4. Turn on the POWER Switch. The unit gets in stand-by mode.

No high voltage is generated on the output terminal when unit is in this mode.

5. Pressing the output voltage/current preset switch and keeping it pressed shows the voltage

and current settings on the display. Turn the output voltage dial to adjust the voltage as

desired. Then turn the output current setting dial to adjust the current as desired.

6. Press the OUTPUT switch to output the set value. The red lamp lights on.

7. For ending the operation of the power supply, be sure to return the output voltage setting

dial to 0 (if the same voltage is to be used again, leave it as it is), turn off the switches in the

order OUTPUT switch, POWER ON/OFF switch.

３ O

eration manual

３ Operation Manual

３-３ Description of Operation Modes

The EPR Series power supply units are provided with two operation modes (constant voltage

and constant current modes) and two control modes (local and remote modes).

This section describes the constant voltage and constant current modes in the local modes.

The operation mode is determined by the following:

・ Output voltage setting

set

・ Output current setting

set

・ Load resistance

3-3-1 Constant Voltage Mode

The power supply unit operates in the constant voltage mode when the load current

is less

than the current setting

set

(

set

;

set

In the constant voltage mode, the voltage is constant at the set value (

set

) and the load

current

changes according to the load.

When using the power supply unit in the constant voltage mode, turn the current setting

knob clockwise all the way to the maximum or ensure that it is set to the required current,

which allows setting to the desired voltage.

3-3-2 Constant Current Mode

The power supply unit operates in the constant current mode when the load resistance is

low enough to make the load current

more than the current setting (

set

). In the

constant current mode, the current is constant at the set value (

set

) and the load voltage

changes according to the load.

= Load resistance

set

= Output voltage setting

set

= Output current setting

3-3-3 Crossover Mode

The automatic crossover system functions to automatically switch between the modes as

the load response changes. For example, the mode is changed from the constant voltage to

constant current when the load current exceeds the current setting. The mode is brought

back to the constant voltage when the resistance becomes high enough.

３ Operation Manual

Output voltage

Vse

Constant voltage range

＞

＜

Ise

Output current

Crossover point

Constant current range

＝

Vset

Iset

Vset

Iset

Vset

Iset

３－４ Other function

3-4-1 Over voltage protection (O.V.P)

This unit has an over voltage protection. Even at the time of abnormality, it is limited at

approx. 110% of the maximum rated voltage, protecting power supply and load from damage.

3-4-2 Over current protection (O.C.P)

This unit has an over current protection. When over current, the output current is limited by

decreasing the output voltage.

3-4-3 Power failure protection

This unit integrates a circuit to stop the output when it is recovered from power failure.

During the operation, when recovered from power failure, unit does not resume the output.

Resume the output by OUTPUT ON/OFF switch.

When power failure protection is not in use, set “0” (OFF) for “4” of starting menu.

(Please refer to 4 for starting menu.)

Then, when recovered from power failure, or when turn on POWER ON/OFF switch, power

supply shall get back to the status when power failure is happened.

(If power is failure when OUTPUT ON/OFF is ON, then the unit resume the output

automatically. When power is failure when OFF, power supply keep off.)

３ Operation Manual

On/Off for power failure

cancellation function is

changed by current setting

dial

VOLTAGE

CURRENT

OUTPUT

REMOT

SET

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