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  • R4G/R4GN series | DC power supply Benchtop | Matsusada Precision
  • R4G series | DC power supply Benchtop | Matsusada Precision
  • R4G/ series | DC power supply Benchtop | Matsusada Precision
  • R4GN series | DC power supply Benchtop | Matsusada Precision
  • R4G/R4GN series | DC power supply Benchtop | Matsusada Precision
  • R4G series | DC power supply Benchtop | Matsusada Precision
  • R4G/ series | DC power supply Benchtop | Matsusada Precision
  • R4GN series | DC power supply Benchtop | Matsusada Precision

COMPACT AND HIGH RESOLUTION
REGULATED DC POWER SUPPLY

  • Max Voltage: 6V to 650V
  • Max Current: 0.1A to 10A
  • Max Power: 12W to 180W
  • Control via CC-Link is available.

Ultra low noise with linear regulator system

R4G/R4GN series are linear regulator system high accuracy and ultra-low noise DC power supply, so that enabled setting and reading out more fine output with a four digits indicator and a high-resolution D/A, and A/D converter adapted newly.

Overvoltage protection and Overcurrent protection are included as standard equipment, and digital communication function is available. They are applicable to a wide range, from experiments to automation lines.

FEATURES AND BENEFITS

Voltage and / or Current Displayed 4 Digits Indicator
R4G

Voltage or Current is indicated with 4 digits despite of its compact size. It has been possible to control output in more detailed unit as [1 mV] and [0.1 mA] than ever.

R4GN

Voltage or Current is indicated with 4 digits despite of its compact size. More extensive output control is available than ever before.

Ultralow Ripple and High Speed Response

High speed response with ultralow ripple and low noise by the series regulator system. It is best fit to application that fundamental performance is important as DC power supplies.

Ease of Formation of Automation Line or Measuring System

It is able to configure easily automation line or measuring system by utilizing options for analogue remote control, various status output, digital communication.

Standard Equipment of Various Function

Analogue remote control and multi-set in addition to overvoltage protection, overcurrent protection and key lock are included as standard equipment.

Applicable to Digital Interface Also
R4G

It is able to built-in digital interface despite of series regulator system. It is not required to buy more expensive communication unit than power supply.

R4GN

It is able to built-in digital interface despite of series regulator system. In addition to standard LAN, USB, and RS-232C, CC-Link is also available.

Silent Naturally-Cooling System (108 W Model and Smaller)

Operation sound is silent as no cooling fan. It is best fit for usage that its operation sound hinders measuring like as test of fan motor.
And it is the safety design so as not to expose the heatsink from the case.

Negative common (R4GN series)

In European nations, the negative side of the power supply is mainly used as a common reference potential.
It is available with negative common type devices such as negative common type

APPLICATIONS

  • Various research and development
  • As a power source for automatic inspection systems, etc.
  • for Plating
  • for Aging
  • School training aid

Models

R4G series
Model Maximum Output
Voltage Current Power
R4G6-2 6 V 2 A 12 W
R4G8-5 8 V 5 A 40 W
R4G18-2 18 V 2 A 36 W
R4G18-3 3 A 54 W
R4G18-5 5 A 90 W
R4G18-10 10 A 180 W
R4G36-1 36 V 1 A 36 W
R4G36-3 3 A 108 W
R4G36-5 5 A 180 W
R4G45-2 45 V 2 A 90 W
R4G45-4 4 A 180 W
R4G60-1.2 60 V 1.2 A 72 W
R4G80-1 80 V 1 A 80 W
R4G120-0.3 120 V 0.3 A 36 W
R4G120-0.6 0.6 A 72 W
R4G160-0.45 160 V 0.45 A 72 W
R4G250-0.3 250 V 0.3 A 75 W
R4G360-0.2 360 V 0.2 A 72 W
R4G650-0.1 650 V 0.1 A 65 W
Minus common type R4GN series
Model Maximum Output
Voltage Current Power
R4GN6-2 6 V 2 A 12 W
R4GN8-5 8 V 5 A 40 W
R4GN18-2 18 V 2 A 36 W
R4GN18-3 3 A 54 W
R4GN18-5 5 A 90 W
R4GN18-10 10 A 180 W
R4GN36-1 36 V 1 A 36 W
R4GN36-3 3 A 108 W
R4GN36-5 5 A 180 W
R4GN45-2 45 V 2 A 90 W
R4GN45-4 4 A 180 W
R4GN60-1.2 60 V 1.2 A 72 W
R4GN80-1 80 V 1 A 80 W
R4GN120-0.3 120 V 0.3 A 36 W
R4GN120-0.6 0.6 A 72 W

Functions

External Analog Control

R4G series

External output ON/OFF

External output ON/OFF

* The common side and the +output terminal are set to the same potential. Please use the floating control voltage without grounding, or set the common of your equipment to the same potential. If you do not follow it, the power supply cannot be controlled properly and may cause malfunction. When using a multi-channel Programmable Logic Controller (PLC) or non-isolated PLC, note that there is a possibility of connection to other device grounds through the PLC.

  • Sink current 1mA
  • Logic of OUTPUT can be made reverse.

Output control
(Voltage, Current, Overvoltage protection, Overcurrent protection)

Output control

Output monitor
(Voltage, Current)

Output monitor

* Output control external signal should not be grounded but floating potential. + output terminal and common become same potential. Power supply can not be controlled or could be damaged if common is grounded via way of customer's equipment. Please be aware that external control voltage signal could accidentally be connected to the ground of other equipment in case, for example, multi-channel, non-isolated PLC is in use.

R4GN series

External output ON/OFF

External output ON/OFF

* The common side and the -output terminal are set to the same potential. Please use the floating control voltage without grounding, or set the common of your equipment to the same potential. If you do not follow it, the power supply cannot be controlled properly and may cause malfunction. When using a multi-channel Programmable Logic Controller (PLC) or non-isolated PLC, note that there is a possibility of connection to other device grounds through the PLC.

  • Sink current 1mA
  • Logic of OUTPUT can be made reverse.

Output control
(Voltage, Current, Overvoltage protection, Overcurrent protection)

Output control

Output monitor
(Voltage, Current)

Output monitor

* The common side and the -output terminal are set to the same potential. Please use the floating control voltage without grounding, or set the common of your equipment to the same potential. If you do not follow it, the power supply cannot be controlled properly and may cause malfunction.When using a multi-channel Programmable Logic Controller (PLC) or non-isolated PLC, note that there is a possibility of connection to other device grounds through the PLC.

R4G/R4GN series

Output of status

Output of status

COMMON is floating with the output of open collector for each COMMON.
Isolation voltage 30 Vdc, sink current ≤ 5 mA

  • Power ON: ON at Power ON status
  • OUTPUT: ON at OUTPUT status
  • FLT: ON at abnormal status
    [ON for the status of OVP, OCP and Interlock.]
  • CV, CC: ON at CV or CC status

Parallel Operation by One Control

Parallel Operation by One Control

One master unit can control several slave units that are parallel connected.
It is possible to increase output current by connecting more than 2 units of the same model power supply in parallel.

Remote Sensing

Remote Sensing

Prevent to degrade stability due to voltage drop (Vo-VL) by resistance (R) in output wiring or contact resistance. (up to 0.5 V)

(Except for R4G360-0.2, R4G650-0.1)

Digital Control Function (at selected various optional digital interface)

Control Function Output ON/OFF setting
Display of various status (Output/Input/OVP/OCP/Interlock)
Digital control Max. 32 units
Package control multiple units hooked
Write Function Setting output voltage/current Percent mode *1, Voltage or Current mode *2
Setting OVP/OCP Percent mode *1, Voltage or Current mode *2
Read Function Measured output coltage/current Percent mode *1, Voltage or Current mode *2
Setting output voltage/current Percent mode *1, Voltage or Current mode *2
Setting OVP/OCP Percent mode *1, Voltage or Current mode *2
  1. Minimum setting unit for each model is one ten-thousandth (100.00%).
  2. Minimum setting unit for each model is one count of the indicator.

Example of Connection and Operation

Using the same multiple units of R4G/R4GN series, the output voltage and output current can be increased by connecting the outputs in series or parallel. Moreover, the synchronous operation and the master/slave operation with -LGmb option are also available.
Note: The common of the external Input/output control connector (TB1) is connected to the +output in the R4G series and the -output in the R4GN series. Do not connect the commons of the external Input/output control connector to each other.

Series connection

Series connection

The total output voltage is up to 250 V.
The output voltage exceeding 250 V is unavailable in series connection.
The output current will be the smallest value.

Parallel connection

Parallel connection

Use the same value for voltage setting in parallel connection.
The output current is the sum of each current.
In order to prevent damage, set the OVP level of all the power supplies to the maximum.

Split connection

Split connection

+output and –output are available.

Specifications

For details, download the datasheet below.

Options

-LCk *1 *3

CC-Link interface port
CC-Link master unit such as PLC can control power supplies with CC-Link compatible with CC-Link ver1.10, possible to operate as CC-Link device station. One unit occupies 2 stations, maximum 32 units can be controllable.

Please refer to CC-Link association web for CC-Link details.

-LCk CC-Link Interface port
Multiple units can be simultaneously controllable by direct, HUB, or daisy chain connection.
-LGmb *1 *2

Digital Interface port
This interface is Matsusada Precision’ s proprietary dedicated digital communication port.
This interface has modular type IN and OUT ports to allow daisy-chain connection.
Combined with an adapter (sold separately). Multiple power supplies can be controlled at once.
Adapters for LAN, USB, RS-232C, RS-485, and GPIB are available so that you can choose a suitable communication interface.
One-control operation by master/slave connection is also possible..

  • -LGmb: Digital interface port + modular cable 2 meters
  • -LGmb(Mc0.15): Digital interface port + modular cable 0.15 meters
  • -LGmb(Mc0.5): Digital interface port + modular cable 0.5 meters
Master/slave
up to 16 units operation with master/slave
When noisy environment is presumed, the following -LGob option (optical interface) is required.
-LGob *1 *2

Optical Interface port
This option changes the standard interfaces to built-in optical interface port.
By combining this option with an adapter for optical connection (sold separately), communication between the control device and the power supply can be controlled in an isolated state.
Be sure to select this option when using the product in the following environments.

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

Select the optional optical interface port (-LGob) when using this DC power supply under the following conditions.

  • Noisy environments such as factories (example: when motors or coils are used nearloads or power sources).
  • If this power supply and your controller (PC or PLC) cannot be installed within 2 meters.
  • When there is a possibility of arcing or output short-circuit.
-LH

High isolation voltage (only for up to 80 V models)
With isolation voltage by ±500 Vdc, more R4G/R4GN series power supplies are available in series connection.

-LMi *1 *4

Multi digital interface
Digital control is available with LAN, USB (USB/TMC), RS-485 (Multi-Drop). (These interfaces cannot be used simultaneously. RS-485 supports FULL DUPLEX communication only.)
Also, the option employs IVI driver corresponding to SCPI command, enabling faster development of control program using programming languages including Labview, VisualBasic, and C#.

-LRs *1 *2
RS-232C Interface port
Digital control is available with RS-232C. It is possible to hook 1 unit per 1 COM port equipped on a personal computer.
-LUs1 *1 *2

USB interface port
Digital control is available with USB. It is possible to hook 1 unit per 1 USB port equipped on a personal computer. If number of USB ports equipped on the PC to be used is in lacking, use a USB hub. But there is a case that the hub is not operated correctly.

OS for personal computers: Microsoft Windows Xp/Vista/7/8/10 Both of 32 bits and 64 bits are applicable
Microsoft and Windows are registered brands of Microsoft Corp. in USA and other.

-LZ

Handle for carrying
For more details, download the datasheet below.

-L(200V), -L(220V), -L(240V)

It is applicable to above input voltages other than standard 120 Vac.

  1. Either one of these options is selectable.
  2. For the detail function of optical interface, USB interface, RS-232C interface and digital interface, please refer to the datasheet of digital controller CO/USB series.
  3. Only for models of its maximum output voltage 360 V and lower.

How to Order

When ordering, add Option No. to Model No.in alphabetical order followed by the input voltage.
Example: R4G18-2-LGob(Fc10)H(200V), R4G120-0.6-LCk(240V)

Accessories

AC Input Cable
Standard CABLE TYPE1 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision 125 V / 10 A 2.5 meters

Fixed length

Standard
[-L(200 V) / -L(220 V) / -L(240 V) option]
CABLE TYPE3 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision 250 V / 10 A 2.5 meters

Fixed length

Sold separately CABLE TYPE4 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision 250 V / 10 A 2.5 meters

Fixed length

Digital interface port

To use Matsusada Precision’ s digital interface, you need to prepare a digital interface adapter separately. The following interface adapters are available according to your controller port.

  • CO-E32m: LAN Adapter
  • CO-U32m: USB Adapter
  • CO-MET2-9: RS-232C (9 pin) Adapter
  • CO-MET2-25: RS-232C (25 pin) Adapter
  • CO-MET4-25: RS-485 (25 pin) Adapter
  • CO-G32m: GPIB Adapter (Discontinued in December 2028)
Example of communication with a digital adapter
Example of communication with a digital adapter | R4GT series | Benchtop DC Power supply | Matsusada Precision

For details, refer to CO/USB series

Optical isolation adapter

To use the optical interface, you need to prepare an optical interface adapter separately. The following interface adapters are available according to your controller port.

  • CO-E32: LAN to optical interface adapter
  • USB-OPT: USB to optical interface adapter
  • CO-OPT2-9: RS-232C (9 pin) to optical interface adapter
  • CO-OPT2-25: RS-232C (25 pin) to optical interface adapter
  • CO-OPT4-25: RS-485 (25 pin) to optical interface adapter
  • CO-G32: GPIB to optical interface adapter (Discontinued in December 2028)
Example of communication with optical fiber
Example of communication with optical fiber | R4GT series | Benchtop DC Power supply | Matsusada Precision

For details, refer to CO/USB series

Application software for power supplies and electronic loads

PSS2en series
PSS2en is the dedicated software which can actuate various power supplies, electronic loads and digital controller for power supplies manufactured by Matsusada Precision Inc. with simple set up.
It is the perfect for the aging test, the burn-in test and the withstand voltage test for electronic parts, and for the endurance test, intermittent/continuous operation test or various simulation test for electric component of automobile.
For details, refer to PSS2en page.

PSS2en | Application software for power supplies and electronic loads | Matsusada Precision

Dimensions

For details, download the datasheet below.

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