Matsusada Precision ASX-3R5 User manual

Rev. 2.8
B/N 068.9.005 *068.9.005*
MODEL ASX-3R5
Instruction Manual
F-RA-001-3R0

F-RA-001-5R0
For Safe Use
◆Introduction
This product generates high voltage and energy.
In order to use the product safely and prior to using the product, please read the instruction manual to the end
before use in order to use the product safely, because there is a danger of death or serious injury due to electric
shock. Please use the product after fully understanding how to use the product properly. We are not responsible
for any damages incurred by not observing the warnings and procedures stated in the instructions, so be
forewarned.
Keep the instruction manual carefully so that you can view it whenever you need.
◆Symbols
In order to use the product safely, the following symbols are displayed in the instruction manual and on the
product. Understand the meaning of the symbols and observe each item. Depending on the product, some symbols
may not used.
禁止
Indicates content that
could cause death or
serious injury.
Indicates content that
could cause injury or
damage to property.
Indicates danger / warning /
caution. Refer to the instruction
manual when using the part with
this symbol.
Indicates where high voltage is
handled. Touching it may cause
electric shock and result in death
or serious injury.
This symbol means “Prohibited”.
Protective earth terminal (ground
terminal for electric shock
prevention)
Ground terminal
Frame or chassis terminal
Power On
Power standby
The product will not be completely
disconnected from the power
supply even if it is set to standby.
Bistable push button switch on
Bistable push button switch off
Power Off
High temperature attention
Touching it carelessly may cause
burns.
Indicates that it must be
performed in order to demonstrate
the performance of the product.
Alternative Current
WARNING
CAUTION

F-RA-001-5R0
◆Understand the risk.
Products generate high voltage and energy.
An electrician or equivalent knowledge must read the instruction manual to the end and familiarize yourself with
the proper use and danger of the product.
If you want the product to be handled by another person, limit it to those with knowledge of electricity, and have
people who are familiar with correct use and danger of the product conduct education and training before handling
it, or handle the product under the supervision of those who are familiar with the proper use and danger of the
product. Persons, with the exception of the above, must not handle the product.
◆Do not open the product case and panel.
Do not disassemble, remodel, or repair by opening the product case and panel yourself. There is a high voltage
area inside, which may possibly cause electric shock and fire.
Never remove the case and panel of the product, since the safety and function of the product will not be
guaranteed.
◆It is not suitable for use in places where there is a possibility of a child being present.
The product is designed assuming that it will be used in places where there are only adults, such as factories and
laboratories. Do not use it where there is a possibility of a child being present.
◆Ensure that the product is handled only by a limited number of people.
Only those who are familiar with the proper use and danger of the product, or those who are educated and trained
by them should install the product. Any other person handling the product may cause electric shock, burns and
injuries.
◆Ground it.
When the product has a protective ground terminal or GND terminal, connect it to the ground.
If the input terminal of the product is an inlet type, connect to the power outlet with the ground using the supplied
power cable or a power cable suitable for the area to be used. If it is not connected to the ground, there is a risk
of electric shock and fire, which is extremely dangerous.
◆About power supply cable
If there is a power supply cable attached to the package or product, it cannot be used for other products. In the
case of a product that does not include a power supply cable, you must purchase an optional power supply cable
suitable for the operating environment and the area, or you must prepare it yourself.
◆About the connection of the power supply cable
Connection of the power cable should be done by an electrician or someone who has equivalent knowledge and is
familiar with the correct usage and danger of the product. Refer to the page about connection of the input cable in
the instruction manual and carry out work. For products that have acquired safety standards, also refer to the
page that describing overvoltage categories.
◆About input voltage
For the input voltage of the product, refer to the page describing the input terminal of the product and the input
voltage in the instruction manual. Do not supply input exceeding the specifications of the product.
◆About the fuse
The product contains a protective fuse. In the case of a product in which a fuse holder is arranged externally, it is
possible to replace the fuse. For the replacement method, refer to the instruction manual.
If the product does not have a fuse holder externally, the user cannot replace the fuse. If the fuse blows out, do
not open the case or panel. Please contact our sales representative.
◆Do not modify or damage the cable.
It may cause electric shock and fire.
WARNING

F-RA-001-5R0
◆Designed for indoor use
Use the product indoors. Do not use it outdoors or indoors where there is a possibility of water leakage, flooding,
or crown.
◆About operating temperature and humidity
Use within the range of operating temperature and humidity stated in the instruction manual.
Do not use it in a place where the ambient temperature becomes higher than the operation temperature of the
product or in a narrow closed place.
◆Do not install in places that cause condensation.
Do not install it in places that cause condensation, where it is exposed to steam or water vapor.
Insulation deteriorates, causing breakdown, electric shock, or fire.
◆Do not place anything on top of the product.
Falling or collapsing is dangerous.
◆Do not put any objects on or in the product.
Do not put any objects such as metal or liquid in the product through the inlet etc. Failure, electric shock, fire may
result.
◆Operate the product with your right hand.
In case of electric shock when manipulating the product, in order to reduce the risk of current flowing through
important organs of the body. Keep your left hand off from the product and operate with your right hand.
◆Do not touch the wiring or load connected to the output terminal or output terminal during operation or
immediately after output stop.
Very high voltage is applied to the terminals during normal operation and trial operation.
Touching it will result in electric shock.
In addition, since a capacitor is connected to the terminal, high voltage remains on the terminal even immediately
after stopping the output. To avoid electric shock, do not touch the terminals.
◆Turn off the power when touching the terminal.
Before touching the terminals of the product, turn off the power and check that the power has actually turned off.
There is a capacitor at the terminal, and it is particularly dangerous to touch it immediately after turning off the
power supply. Be careful of the electric charge of these capacitors and connect it to earth to discharge it
completely. Remove input line (AC line) during work.
WARNING

F-RA-001-5R0
◆Install horizontally.
Do not install the product in the reverse direction and the lateral direction. Internal heat dissipation becomes
insufficient, parts deteriorate, there is a risk of smoke and fire.
◆Do not install in the place where cool air blows directly.
There is a danger of condensation, leakage current and burnout.
◆Do not install the product in places around corrosive gas or liquid and places where chemicals handled.
There is a danger of parts being deteriorated, smoking and burning.
◆Avoid using it in a place with much dust.
If dust accumulates in the air inlet, remove it promptly.
If dust accumulates in the air inlet, cooling of the product is hindered and it may cause malfunction.
◆Do not block intake port and exhaust port.
Secure more than 30cm space on the front and back of the product.
If the intake port and exhaust port are blocked, the specified performance of the product cannot be demonstrated
and parts are deteriorate, which may cause smoke and fire.
◆When work such as welding is conducted near the product, disconnect all the wires from the product.
◆Do not wipe with chemicals (thinner etc.) or wet cloth.
There is a danger of electric shock, electric leakage, burnout from chemicals or water entering the inside of the
product.
◆About fan replacement
In the case of products with air-cooling fans, the fan has a lifetime part. As wear, deterioration, etc. progress with
the lapse of use time, operation may become unstable. Also note that the lifetime of fan varies greatly depending
on the environment where it is used (temperature, humidity, dust, etc.). In order to use the product for a longer
time, it is necessary to replace the fan periodically. For replacement, please contact our sales office (replacement
require separate repair charges). Do not exchange fans with other users because there is a danger of electric
shock, etc.
CAUTION

vii
For Safe Use ⅰ
CONTENTS ⅶ
１Introduction 1-1
１－１ Introduction 1-1
１－２ Unpacking the POWER SUPPLY 1-1
１－３ Installation conditions 1-1
１－４ CAUTION FOR HANDLING 1-2
１－５ How to switch Input Voltage 1-3
１－６ For safer operation 1-3
１－７ Trouble Shooting 1-3
２Exterior view diagram 2-1
２－１ Front panel 2-1
２－２ Rear panel 2-2
３Basic Operation 3-1
３－１ Summary 3-1
３－２ Operation 3-1
３－３ Check Points 3-2
３－４ Other Function 3-3
４SPECIFICATION OF OPTIONS 4-1
４－１ List of optional features 4-1
４－２ HOW TO ORDER OPTIONS 4-1
４－３ Terminals board for options 4-1
４－４ Remote switch ON／OFF (LS) 4-2
４－５ Door Switch (LD) 4-2
４－６ Voltage Monitor (L2) 4-3
４－７ Current Limit (LC) 4-3
４－８ Slow Start (LW) 4-3
４－９ GP－IB Control (LG) 4-4
４－１０ RS－232C Control (LRs) 4-5
４－１１ Operation of GP-IB/RS-232C Control 4-6
CONTENTS
CONTENTS

1-1
1. Introduction
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 out products.
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 unpacking the POWER SUPPLY, you will please check the following accessories are enclosed with
the power supply main body.
ACCESSORIES
・ AC input cord (1 pc)
・ Operation manual
・ Output cable
・ AAAA battery(2pcs)
１－３ Installation conditions
・ Install the high voltage power supply horizontally and use it.
・ Do not place any object on the high voltage power supply absolutely.
・ There are air suction holes and exhaust holes for cooling at upper part and sides of the high voltage
power supply.
･ Provide an ample space to the high voltage power supply, use it at the place where the ventilating
condition is good, avoid using the unit at such places where it is very dusty or there is corrosive gas.
・ Contact us for repair. The power supply should be repaired by us.
1 Introduction
1. Introduction
！ 
MUST
NO
！ 
MUST
！ 
MUST
！ 
MUST
CAUTION
！

Warning
This unit is the high voltage power supply. Observe the safety precautions and operate
correctly, or an electric shock or a fatal accident may be caused.
Observe the following precautions in operating and inspecting this power supply to operate and
handle correctly.
！

1-2
１－４ CAUTION FOR HANDLING
１． Set an output voltage to zero (0). Or turn off the HV ON/OFF switch.
２． Turn off the POWER ON/OFF switch
３． Earthing an output for longer than 10 seconds, check and confirm that voltage is zero at another
voltmeter (for high voltage). It is especially dangerous that the load is capacitive or a long cable is
attached there to.
４． Make it a rule to touch load with right hand.
How to ground
If the Load frame is not grounded.
If the Load frame is grounded.
.
Load
Rack
–
mount case
Output cable
Ground terminal
Ground at one point.
Load
Output cable
Ground terminal
Ground
Ground at one point.
Rack
–
mount case
Load frame
Load frame
1.Introduction
・For safe operation, be sure to ground the ground terminal of power supply at One point on
the ground
WHEN TOUCHING LOAD AFTER TURNIG OFF A HIGH VOLTAGE.
WARNING
！ 
！ 
MUST
Wires should be:
・ more than WG10.
・ less than 2m
・ not bared
！ 
MUST
Wires should be:
・ more than WG10.
・ less than 2m
・ not bared
！ 
MUST
・Ground correctly according to the above instuction. Incorrect grounding may cause
electric shock or damage power supply.
・If short circuit or arc is expected at Load, use thicker and shorter wire for grounding
CAUTION
！


1-3
１－５ How to switch Input Voltage
･ Place a screw driver or coin on the dent of the input voltage select switch － and set it to the desired
input.
・ For example the illustration indicates 100V±10% 50/60Hz input.
・ Note that wrong input voltage may damage the power supply.
１－６ For safer operation
１ Laying an insulation plate which can withstand the voltage to be used on the floor on which an
operator stands, carry out the operation. If done so, it will be comparatively safe.
２ Operate a load and power supply with right hand, and let the left hand put in the pocket, taking care
not to touch other objects.
３ After turning off the voltage(even if a long time has lapsed after turning off), be sure to earth the
output more than 10 seconds before you touch the LOAD.
４ Don’t touch inside power supply because high voltage is being charged inside the case. It is quite
dangerous to replace the top cover of the power supply by anyone other than our service man.
１－７ Trouble Shooting
When output voltage is not available, the following points must be carefully checked.
１ Is the required voltage being inputted into power supply?
Refer to the 1-5 How to switch input voltage.
２ Are all the option connections correctly connected?
３ Check whether or not the Over Current Protection is effective.
1. Introduction
CAUTION
！

CAUTION
！

115V

2-1
２－１ Front panel
①POWER ON／OFF Switch
②HV ON／OFF Switch ： Push to ON. Push again to OFF
③HV LED ： LED light indicates output or ready to output status
④Display Panel ： 5 digit LED indication
⑤Output Voltage rotary encoder ： setting is adjustable linearly
⑥Polarity select switch ： － ……… negative ＋ ……… positive
0 ……… inside short with １.5MΩ〔only when Power is ON〕
⑦Output connector（HV-BNC） ： Connector to output the adjusted voltage
２ Exterior view diagram
２ Exterior view diagram
ASX－3R5
HV－ON
⑦
POWER
①
⑥
⑤
③
V
②
＋－
HV－OUT POLARITY
④
⑤
⑤

２－２ Re
a
a
r panel
①AC input
②FUSE(3A
③GROUN
D
④Output c
o
⑤Terminal
s
⑥BATTER
Y
⑦GP－IB
／
⑧Vinyl cla
m
⑨Input vol
t
⑦
⑥
BATTERY
connecto
r
)
D
terminal
o
nnector(H
V
s
for option
Y
：For memo
／
RS－232C
c
m
p to fix AC
t
age select
s
①
V
－BNC) ：in
t
ry of adjust
e
c
ontrol conn
e
cable
witch
HV－OUT
⑤
④
②③④⑤
⑥
2-2
t
ernally con
n
e
d value
e
ctor (LG／
L
⑤
⑥
⑦⑧⑨⑩
⑪
n
ected to ou
t
L
Rs option)
LIN
E
G
⑪
⑫
t
put connec
t
E
VOLTAGE R
A
G
ND
③
⑨
115V
t
or on front
p
２ Ext
e
FUSE
A
NGE
AC LINE
INPUT
①
②
p
anel
e
rior view diag
r
r
am
⑧

3-1
３－１ Summary
This supply is designed for such applications as Photo multiplier, Nuclear Instruments or Radiation
detectors which require high accuracy, high stability and ultra low ripple. With digital setting,
accurate and quick output voltage setting is possible.
３－２ Operation
1. Before operating the unit, make sure that cables are correctly connected according to P.1-2 How to
ground. For your safety, make sure to connect the ground terminal of the power supply to the earth.
2. Connect the AC input connector on rear panel and an outlet with the AC input cord which is
assorted with the power supply.
* For your safety, make sure to fix the AC input cord with vinyl clamp.
3. Select desired polarity with the polarity select switch.
4. Turn the POWER ON/OFF switch on. The Display panel light up after blinking several seconds.
5. Adjust the desired voltage by turning the output voltage rotary encoder. The Display panel indicates
output voltage.
6. Turn the HV ON/OFF switch on, then the HV LED light up, and the power supply outputs the
adjusted voltage from the output connector.
7. To terminate the output voltage, turn the HV ON/OFF switch off. After ensure that the HV LED is
off, turn the POWER ON/OFF switch off.
Note
1. When turning the POWER ON/OFF switch on, LED of Display panel blinks for several seconds.
During that time no output is available.
2. Output connector that is not connected with output cable must be covered with a nylon cap, which
is assorted with power supply.
3. When changing the polarity, turn the HV ON/OFF switch off and make sure that the HV LED is off.
3 Basic Operation
3 Basic O
p
eration

3-2
３－３ Check Points
Operation Display panel indication Output HV LED Reset
Turn the POWER
ON/OFF switch off
while HV ON/OFF
switch is on.
* 0000.0V
* No ± indication
*Output voltage rotary
encoder is ineffective
* When memory function
is effective, indicates
the memorized value.
0V
(short with
1.5MΩ)
Off 1. Turn the HV ON/OFF switch off.
2. Polarity indication light on.
Polarity select switch become
effective
3. Turn the HV ON/OFF switch on
to output (the internal relay
become ON) When
GP-IB/RS-232C control option.
①Send SW0 program
②Send SW1 program
(internal relay become ON.)
Select the － polarity
When ＋ output. (or
conversely)
*indicates adjusted
voltage
* No± indication
*Output voltage rotary
encode is ineffective
Same as
above
Save as
above
Same as above
When the output is cut
off by the work of Over
Current Protection, or
when turn the HV
ON/OFF switch on
during the LOAD is
short.
Same as above Same as
above
Same as
above
Same as above
3 Basic O
p
eration

3-3
３－４ Other Function
a. Over Current Protection
This supply has Over Current Protection function, and cut off the output at 105% of maximum
output current.(HV LED light off). To reset, please refer to 3-3 c [How to recover from Cut-off
status]
b. Memory of adjusted value
This supply has a function to memorize the adjusted value. The adjusted value of output voltage can
be memorized while Power is off. When turning on the Power, the adjusted value of turning off the
Power is displayed. 2 AAAA size batteries(1.5V) are required for this function.
< How to set the batteries >
1. Remove the cover with BATTERY sign on rear panel.
2. See the polarity of batteries and place them correctly.
3. Replace the cover.
c. How to reset Cut-off status
When output is cut off, either of the following operation cancel Cut-off status
* Turn the HV ON/OFF switch off and then on
* Send SW0 command and send SW1 command(when with GP-IB/RS-232C option)
Wait more than 2 seconds after output is cut off to turn the HV on again.
3 Basic O
p
eration
HV－OUT
when placing batteries, turn the POWER ON/OFF switch off and disconnect the AC input cord from
outlet.
CAUTION
！ 

4-1
４－１ List of optional features
This product is equipped with all features which have been checked in the table below. Ask for options
when order.
symbol name contents
□
LA Ｒｅｍｏｔｅ HV ON／OFF switch(LS) HV output ON/OFF by remote control
Remote Interlock(Manual Reset) (LD) Output can be turned OFF with door switch
Voltage monitor (L2) Output Voltage Monitor
□ LC Current Limit Protection Limit the output current at overload condition
□ LW Slow Start The output slowly reaches the adjusted voltage around
10 seconds after the power switch is on.
□ LG GP－IB Control HV ON/OFF, output voltage, polarity change by GP-IB
control.
□ LRS RS－232C Control HV ON/OFF, output voltage, polarity change by
RS-232c control.
４－２ HOW TO ORDER OPTIONS
When you order write a symbol after a series as mentioned below.
〈for exanple〉
ASX－3R5－LA （LA option）
４－３ Terminals board for options
４ SPECIFICATION OF OPTIONS
４. SPECIFICATION OF OPTIONS
①②③④⑤⑥⑦⑧⑨⑩⑪⑫
LS LD L2
Option

4-2
４－４ Remote switch ON／OFF（LS）
The output can be turned on and off with remote switch.
〈CONNECTION DIAGRAM〉
４－５ Door Switch（LD）
The output can be turned off with door switch.
For safety if the door switch turned of no output will turned on.
Turning off the HV switch reset it.
〈CONNECTION DIAGRAM〉
①②③④⑤
If ① and ② are connected with an attached
short hardware LS function will not work.
In case remote switch action
is not used. Short
SHORT
OPEN
…… Output ON
…… Output OFF
Remote Switch
Terminal board for rear
panel options.
Remote switch action by switch.
Terminal for Remote Switch
①②③
Switch
S.G.
SHORT
OPEN
…… Output ON
…… Output OFF
Door Switch Action
Terminal for door switch
S.G.
Terminal board for rear panel
options.
Door switch action by switch
If ③ and ④ are connected with an attached
short hardware LD function will not work.
In case remote switch action is not used.
Short
Switch
４. SPECIFICATION OF OPTIONS

4-
3
４－６ Voltage Monitor (L2)
When maximum output voltage, the supply outputs +/-10V(the same polarity of output) from the
output voltage monitor terminal on the rear panel.
Output impedance is 1KΩ
Output Voltage Output Voltage Control
＋3100.0V ＋10V
－3100.0V －10V
NOTE
４－７ Current Limit(LC)
The power supply normally cut off the output at 105% of maximum output current. With this LC
option the power supply limit output voltage at 105% of maximum output voltage instead of cutting
off. To reset, disconnect the LOAD from power supply
４－８ Slow Start (LW)
The output reaches to the adjusted voltage around 10 seconds after the HV switch is turned on.
４. SPECIFICATION OF OPTIONS
Terminals for voltage monitor
⑤⑥
M
S.G. Vmoni
※The accuracy of voltage monitor is ±1％
※Temperature coefficiency is 0.01％／℃