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  • VOL series | DC power supply Rackmount | Matsusada Precision
  • VOL series | DC power supply Rackmount | Matsusada Precision

Discontinued

Compact High power
CVCC programmable DC power supply

  • Voltage: 6V to 1.5kV
  • Current: 1.2A to 1000A
  • Power: 750W to 15kW
  • PFC circuit and universal input
  • CE marking (For some models)

VOL series is no longer available as we have stopped the production and sales this model in January 2021. Meanwhile, we support. PVCE series is available as the successor model, and more information on the series can be found here.

PVCE series

The new standard model of rack mountable DC power supply

VOL series are the new standard model of rack mountable DC power supplies that are designed on attention to "Cost performance", "Wide variety" and "High reliability". Offering original low noise switching method and wide lineups of 6 V to 650 V/600 W to 15 kW total of 157 models to meet various applications.

Also, they are to achieve high reliability as a result of our high voltage power supply technology built up over 30 years. In addition, by carefully selecting the features and pursue the cost down, we could achieve power supplies which keeps same low noise, high stability, and high reliability, but more reasonable price. VOL series support strongly R&D as power supplies that are to be used for various applications and user friendly. (Some models correspond to CE.)

Features and Benefits

  • Compact and high power Max 15 kW
  • Ideal for research and development with low noise switching method.
  • Power Factor Correction (PFC) circuit and universal input wound not select the place of operation.
  • Various operations by connecting multiple power supplies, such as master/slave, is possible.
  • VOL adopts large four-digit monitor display for both voltage and current, which contributes to precise monitoring with better recognition.
  • Operability and safety are improved with new features of key-lock function and acceleration rotary encoder, that increment will vary by speed of rotation.

Models

Model Max output Ripple *1
[mVrms]		 Ripple *1*2
[mArms]		 Safety Standards
Voltage [V] Current [A] Power [kW]
HalfVOLJ6-130 6 130 0.78 10 260
VOL6-130 130 0.78 10 260
VOL6-220 220 1.3 10 320 ce marking
VOL6-310 310 1.8 10 1500
VOL6-530 530 3.2 10 900
VOL7.5-1000 7.5 1000 7.5 20 5100
HalfVOLJ8-100 8 100 0.8 20 220
VOL8-100 100 0.8 20 220
VOL8-180 180 1.4 20 250
VOL8-300 300 2.4 20 1500
VOL8-400 400 3.2 20 2000
VOL8-600 600 4.8 20 2500
HalfVOLJ10-80 10 80 0.8 10 130
VOL10-80 80 0.8 10 130
VOL10-150 150 1.5 10 300 ce marking
VOL10-240 240 2.4 10 500 ce marking
VOL10-340 340 3.4 10 900
VOL10-510 510 5.1 10 2000
VOL10-1000 1000 10 20 5100
HalfVOLJ12.5-64 12.5 64 0.8 20 200
VOL12.5-64 64 0.8 20 200
VOL12.5-120 120 1.5 20 200
VOL12.5-190 190 2.4 20 1500
VOL12.5-800 800 10 20 2600
HalfVOLJ15-54 15 54 0.81 10 80
VOL15-54 54 0.81 10 80
VOL15-100 100 1.5 8 150 ce marking
VOL15-160 160 2.4 8 300 ce marking
VOL15-227 227 3.4 10 500
VOL15-340 340 5.1 15 600
HalfVOLJ16-50 16 50 0.8 10 110
VOL16-50 50 0.8 10 110
VOL16-95 95 1.5 10 150 ce marking
VOL16-150 150 2.4 10 300 ce marking
VOL16-220 220 3.5 10 500
VOL16-320 320 5.1 15 600
HalfVOLJ20-40 20 40 0.8 10 40
VOL20-40 40 0.8 10 40
VOL20-80 80 1.6 10 160 ce marking
VOL20-125 125 2.5 12 250 ce marking
VOL20-170 170 3.4 15 300
VOL20-260 260 5.2 15 400
VOL20-500 125 10 20 2600
VOL25-400 25 400 10 20 1700
HalfVOLJ30-27 30 27 0.81 10 30
VOL30-27 127 0.81 10 30
VOL30-53 53 1.6 20 100 ce marking
VOL30-84 84 2.5 20 160 ce marking
VOL30-115 115 3.5 20 200
VOL30-180 180 5.4 20 260
VOL30-333 333 10 20 1700
VOL30-500 500 15 30 2000
VOL35-45 35 45 1.6 20 90 ce marking
VOL35-72 72 2.5 30 150 ce marking
VOL35-100 100 3.5 30 230
VOL35-155 155 5.4 30 280
HalfVOLJ40-20 40 20 0.8 8 20
VOL40-20 20 0.8 8 20
VOL40-40 40 1.6 20 70 ce marking
VOL40-62 62 2.4 20 100 ce marking
VOL40-85 85 3.4 20 130
VOL40-130 130 5.2 20 180
VOL40-250 250 10 20 100
VOL40-375 375 15 20 1500
HalfVOLJ45-18 45 18 0.81 15 60
VOL45-18 18 0.81 15 60
VOL45-35 35 1.5 20 70 ce marking
VOL45-55 55 2.4 30 100 ce marking
VOL45-78 78 3.5 30 130
VOL45-120 120 f.4 30 180
VOL50-31 50 31 1.5 20 70
VOL50-200 200 10 20 80
VOL50-300 300 15 20 100
HalfVOLJ60-13.5 60 13.5 0.81 12 10
VOL60-13.5 13.5 0.81 12 10
VOL60-26 26 1.5 20 50 ce marking
VOL60-42 42 2.5 20 80 ce marking
VOL60-60 60 3.6 20 100
VOL60-90 90 5.4 20 135
VOL60-167 167 10 20 67
VOL60-250 250 15 20 100
HalfVOLJ80-10 80 10 0.8 25 10
VOL80-10 10 0.8 25 10
VOL80-20 20 1.6 25 40 ce marking
VOL80-31 31 2.4 25 60 ce marking
VOL80-45 45 3.6 25 80
VOL80-68 68 5.4 25 100
VOL80-125 125 10 25 50
VOL80-187.5 187.5 15 25 100
HalfVOLJ100-8 100 8 0.8 20 20
VOL100-8 8 0.8 20 20
VOL100-16 16 1.6 20 25 ce marking
VOL100-25 25 2.5 25 50 ce marking
VOL100-36 36 3.6 25 60
VOL100-55 55 5.5 25 80
VOL100-100 100 10 25 40
VOL100-150 150 15 25 100
HalfVOLJ120-6.6 120 6.6 0.79 20 6
VOL120-6.6 6.6 0.79 20 6
VOL125-80 125 80 10 25 32
VOL125-120 120 15 25 50
HalfVOLJ150-5 150 5 0.75 25 10
VOL150-5 5 0.75 25 10
VOL150-10 10 1.5 25 20 ce marking
VOL150-16.6 16.6 2.5 25 35 ce marking
VOL150-24 24 3.6 25 40
VOL150-36 36 5.4 25 55
VOL150-66 66 10 25 26
VOL150-100 100 15 25 50
HalfVOLJ160-5 160 5 0.8 30 10
VOL160-5 5 0.8 30 10
HalfVOLJ200-4 200 4 0.8 35 15
VOL200-4 4 0.8 35 15
VOL200-8 8 1.6 35 15 ce marking
VOL200-12.5 12.5 2.5 35 25 ce marking
VOL200-18 18 3.6 35 30
VOL200-27 27 5.4 35 40
VOL200-50 50 10 35 20
VOL200-75 75 15 35 20
HalfVOLJ250-3.2 250 3.2 0.8 40 5
VOL250-3.2 3.2 0.8 40 5
VOL250-40 40 10 35 16
VOL250-60 60 15 35 20
HalfVOLJ300-2.5 300 2.5 0.75 50 10
VOL300-2.5 2.5 0.75 50 10
VOL300-5.3 5.3 1.6 50 18 ce marking
VOL300-8 8 2.4 50 18 ce marking
VOL300-8.3 8.3 2.5 50 18 ce marking
VOL300-12 12 3.6 50 20
VOL300-18 18 5.4 60 30
VOL300-33 33 9.9 60 13
VOL300-50 50 15 60 20
HalfVOLJ350-2.2 350 2.2 770 W 50 10
VOL350-2.2 2.2 0.77 50 10
VOL400-13 400 13 5.2 60 10
VOL400-25 25 10 60 10
VOL400-37.5 37.5 15 60 10
HalfVOLJ500-1.6 500 1.6 0.8 20 4
VOL500-1.6 1.6 0.8 20 4
VOL500-3.2 3.2 1.5 60 5 ce marking
VOL500-5 5 2.5 60 12 ce marking
VOL500-7 7 3.5 60 15
VOL500-11 11 5.5 60 20
VOL500-20 20 10 60 8
VOL500-30 30 15 60 10
HalfVOLJ600-1.3 600 1.3 0.78 60 5
VOL600-1.3 1.3 0.78 60 5
VOL600-2.7 2.7 1.6 60 5 ce marking
VOL600-4.1 4.1 2.4 60 10 ce marking
VOL600-6 6 3.6 60 15
VOL600-9 9 5.4 60 15
VOL600-14 14 8.4 60 20
VOL600-17 17 10 60 7
VOL600-25 25 15 60 10
HalfVOLJ650-1.2 650 1.2 780 150 5
VOL650-1.2 1.2 780 150 5
VOL650-2.5 2.5 1.6 150 10
VOL650-3.8 3.8 2.5 150 10
VOL650-5.5 5.5 3.6 150 10
VOL650-8.5 8.5 5.5 150 15
VOL650-13 13 8.5 100 15
VOL650-15.5 15.5 10 100 30
VOL650-23 23 15 100 45
VOL800-12.5 800 12.5 10 500 20
VOL800-18.8 18.8 15 500 35
VOL1000-10 1000 10 10 800 20
VOL1000-15 15 15 800 30
VOL1250-8 1250 8 10 1500 18
VOL1250-12 12 15 1500 20
VOL1500-6.7 1500 6.7 10 1500 60
VOL1500-10 10 15 1500 100

The specifications show the values at the rated output after two hours of warm up unless specifically indicated.

  1. The value is applied in the usage range of rated output from 10% to 100%.
  2. The value is for connecting the resistance load. As for values in connecting the nonlinear load (including semiconductor laser diode), contact our sales representatives.
  • Half: Half rack size
  • ce marking: CE (with low voltage directive) marking approved

Functions

Appearance

Front Panel

Front panel

Real Panel

Rear panel
  1. Air intake
  2. Power ON/OFF switch
    This has priority over all operations for safety reason.
  3. Output voltage, OVP setting display
  4. Constant voltage mode display
  5. Output voltage, OVP setting dial
  6. Output current, UVL setting display
  7. Constant current mode display
  8. Output current, UVL setting dial
  9. Output display
    On: OUTPUT ON
  10. Output ON/OFF switch
    Using OUTPUT ON/OFF and resetting the protection functions
  11. Output preset display
  12. Output preset switch
  13. Remote programming display
    ON:Remote controlling voltage/current
  14. FINE display
    ON: FINE display
  15. FINE setting switch
  16. Keylock display
  17. Keylock setting switch
  18. OVP/UVL display
  19. OVP/UVL setting switch
  20. Output terminal
  21. Function earthing terminal
  22. Exhaust hole
  23. AC input terminal(M4)

Dual Tracking, Multiple Outputs

Dual tracking control, which enables both positive and negative outputs simultaneously in master slave operation, is possible. Multi outputs and various versatile operations are also possible by combining above dual tracking control and slave local mode. Positive and negative output (+V, -V) of dual tracking control and set the output voltage of slave local mode can be output simultaneously by turning on the master unit.

Dual Tracking
Multiple Outputs

Digital Interface

Digital control of USB/RS-232C/RS485/GPIB and one-control on master slave operation.

Digital Interface
(A) CO-M Cable
A two-meter cable is provided in each unit. If you need a longer cable or additional cables, please consult with our sales staff.

Key Lock

Lock all front panel operation to prevent erroneous operation. (Emergency stop by power switch is valid.)

Key Lock Function

Lock all the function other than reset lock mode.
This mode is good for purpose to avoid mis-operation completely.

Master/Slave Control

This function is not for output current equally from each VOL parallelly-connected. If equal output current is desired, please consult with sales.
In master/slave control, the connection must be made between the same models.
Master/Slave Control

Remote Switch ON/OFF

Remote Switch ON/OFF
Output Relay Open Collector
ON Short VCE ≤ 0.4 V
OFF Open VCE ≥ 2 V
  • Sink current 1 mA
  • Logic of OUTPUT can be made reversed.

Remote sensing

Prevents voltage drop down (VO-VL) due to resistance (R) or deterioration of stability by contact resistance.

Remote sensing
Output voltage [V] Voltage drop [V MAX]
≤ 20 0.5
20 < ≤ 60 1
60 < 2

Remote Control

Remote/Local change

DC Power Supplies vol Series Remote local change
Mode External relay TTL
Remote Short Low
Local Open High

Each of voltage, current or all the modes can be switched by relay or TTL signal

Output control

DC Power Supplies vol Series output control
Vout, Iout Control voltage R
0 to MAX 0 V to 5 V/0 to 10 V
input imp. 500 kΩ 		0 V to approx. 10 kΩ
or
0 V to approx. 5 kΩ

Output Monitor

DC Power Supplies vol Series Output monitor
Output
0 to MAX 		0 V to 5 V/0 V to 10 V
Output imp.1 kΩ 		0 V to 5 V/0 V to 10 V
Output imp.1 kΩ

Status Output

DC Power Supplies vol Series Status output
  • OUTPUT: ON when OUTPUT
  • FLT: ON when fault *
  • CV, CC: ON when each mode

* On when OVP, UVL, OTP, DCF, reverse connection of sensing or interlock (LD) status.

Common is floating in open collector output of common.

With stand voltage 30 Vdc, sink current 5 mA or less.

Various Digital Control Functions

Control Function Output ON/OFF setting
Status output (fault/output/OVP/UVL/OTP/ACF/reversible sense connection/interlock)
Maximum 16 units (-LGob model: 32 units) digital control
One control function for multiple units
Write function Output voltage setting/Output current setting Percent mode, Voltage Current Value mode
OVP setting/UVL setting Percent mode, Voltage Current Value mode
Reading function Output voltage reading/Output current reading Percent mode, Voltage Current Value mode
Output voltage setting/Output current setting Percent mode, Voltage Current Value mode
OVP setting/UVL setting Percent mode, Voltage Current Value mode

* Minimum value of each mode is same as minimum display of front panel meter.

Operations

Operation example

VOL series of same model number can be connected in series or parallel to increase output voltage or current. In that case, local control or the control in the digital master slave is recommended.
Because the common of the outside input/output control connector (TB1) is connected to the negative output, please do not connect common more than two.

Series Operation

Total output voltage is to be up to 250 V. Therefore, for models with output voltage of over 250 V, series operation cannot be conducted. Output current is to be the smallest current of those.

Series Operation

Parallel operation

Please keep all the settings of voltage the same. The output current will be the summation of each current. Please keep OVP level of power supply maximum to prevent any damage.

Parallel Operation

Split Operation

+output and –output are available.

Split Operation

Specifications

For details, download the datasheet below.

Options

-LMi: Multi-digital interface *

Digital control by LAN (Ethernet), USB (USBTMC) and RS-485 (Multidrop) is available.

(These simultaneous use is impossible.)

This option includes -L(SCPI) option, and attaches IVI driver corresponding to SCPI command. It makes it easy for control program development with various programming languages such as LabView, VisualBasic and C#, etc.

The model with this option does not have CE marking.
-LMi Multi-digital interface

-LUs1: USB Interface Board *

The models with USB interface integrate it with -LMi option model. But the conventional -LUs1 option models continue the production, too. Please refer to our sales office for details.

-L(SCPI): SCPI command

Enable control via SCPI command.

-LFf: Cutting-off output when the cooling fan has gone wrong Coming soon

When the internal cooling fan has gone wrong, VOL will output status signal and cut off output power only for 3 U models.

The model with these options does not have CE marking.

-L(Mc0.5): Communication cable length 0.5-meter *

Change the length of communication cable 2-meter to 0.5-meter.

-L(Mc0.15): Communication cable length 0.15-meter *

Change the length of communication cable 2-meter to 0.15-meter.

-L(400V), -L(480V), -L(3P), -L(1P): Changing input voltage and phase

The model with these options does not have CE marking.

-LGob: Optical Interface Board *

  • -LGob: OPtical interface board + optical cable 2 meters
  • -LGob(Fc5): OPtical interface board + optical cable 5 meters
  • -LGob(Fc10): OPtical interface board + optical cable 10 meters
  • -LGob(Fc20): OPtical interface board + optical cable 20 meters
  • -LGob(Fc40): OPtical interface board + optical cable 40 meters

Optical communication offers insulation control. It is to prevent malfunction such as transient phenomenon by surge, lightning induction, and exogenous noise.

Select the optional optical interface board (-LGob) when using this DC power supply under the following conditions.
  • Noisy environment including factories (Example: Motors or coils are used near power supplies and loads).
  • Using with high voltage floating (more than 250 V).
  • Installation distance of 2 meters or more between the DC power supply and a controller such as a computer, laptop, or Programmable Logic Controller (PLC).
-LGob Optical Interface Board
* These options cannot be selected together. Need to be selected either one. For more information on the digital interface, refer to CO series.

How to Order

When ordering, add Option No. to Model No. in alphabetical order followed by the input voltage.

Example:
  • VOL100-36-LGob(Fc40)(SCPI)(1P)
  • VOL500-11-LUs1(400V)
  • VOL650-3.8-L(Mc0.5)(3P)

Sold separately AC single phase input cable (Three-core type)

25 A/250 V single phase, flying lead.
Model: CABLE TYPE5
To order longer cable over 2.5 meters, add the length in parentheses to the model.
Example:
5-meter long cable: CABLE TYPE5 (5)

Cable

AC input cable

Use appropriate AC input cable. Contact nearby sales office in case of using VOL series in European countries.

Standard
750 W to 810 W model
CABLE TYPE 8
125 V/15 A
  • CABLE TYPE 8
  • CABLE TYPE 8
Sold separately
750 W to 810 W model
CABLE TYPE 3
250 V/10 A
  • CABLE TYPE 3
  • CABLE TYPE 3
Sold separately
1.3 kW to 2.5 kW model
CABLE TYPE 5
250 V/25 A
  • CABLE TYPE 5
  • CABLE TYPE 5
Sold separately
2.5 kW to 5.5 kW model
CABLE TYPE 6
250 V/25 A
  • CABLE TYPE 6
  • CABLE TYPE 6
Sold separately
7.5 kW to 15 kW model
CABLE TYPE 7
250 V/75 A
  • CABLE TYPE 7
  • CABLE TYPE 7

Dimensions

For details, download the datasheet below.

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