Matsusada Precision EPR Series Manuale utente
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
1
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
2
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
3
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
4
Front panel
Rear panel
Dimension 124H×450D×84W （mm）
２ Exterior view diagram
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
④
⑥
②
⑤
⑦
⑥
F2
F1
⑦
⑧
5
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
p
eration manual
３ Operation Manual
6
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
V
set
・ Output current setting
I
set
・ Load resistance
R
L
3-3-1 Constant Voltage Mode
The power supply unit operates in the constant voltage mode when the load current
I
L
is less
than the current setting
I
set
(
I
L
<
I
set
;
I
L
=
V
set
/
R
L
).
In the constant voltage mode, the voltage is constant at the set value (
V
set
) and the load
current
I
L
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
I
L
more than the current setting (
I
L
>
I
set
). In the
constant current mode, the current is constant at the set value (
I
set
) and the load voltage
changes according to the load.
R
L
= Load resistance
V
set
= Output voltage setting
I
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
t
Constant voltage range
R
L
＞
R
L
＜
Ise
t
Output current
Crossover point
Constant current range
0
R
L
＝
Vset
Iset
Vset
Iset
Vset
Iset
7
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
E
SET
CV
CC
mA
kV
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