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  • DRJ series | AC power source Benchtop | Matsusada Precision
  • DRJ series | AC power source Benchtop | Matsusada Precision

Ultra-Compact Programmable AC Power Source

Single phase three-wire AC power output

  • AC:
    0 to 150 V, 0 to 300 V
    1 to 550 Hz
    500 VA
  • DC:
    0 to ±212 V, 0 to ±424 V
    330 W
  • Universal outlet
  • AC and DC power output

Compact Benchtop, Lightweight with Both AC and DC Outputs

DRJ series is an ultra-compact programmable AC power source that can output precision stable sine waves. This AC power source supports both space-saving and high-quality AC power output required in experiments, evaluation tests, production lines, etc.

In addition to its compactness, the DRJ series has adopted worldwide AC input, as well as having a universal outlet on the front panel, allowing users all over the world. In addition, it delivers simple operability in a compact, allowing first-timers to operate easily.

Now model with momentary interruption testing feature (option) is newly added to the lineup, which enables evaluating or testing the equipment with AC input during the immediate suspension of power and unstable input condition.

Overview

  • universal outlet (universal power socket) on the front panel
  • momentary power interruption test for AC input devices (Option)
  • Three-phase output in 3 units, single-phase three-wire output in 2 units

Features and Benefits

  • Compact design with only 5.5 inches (140 mm) width and approximately 5 kg weight
  • With the worldwide input feature DRJ can be used anywhere in the world.
  • Wide range of output voltage and frequency
  • AC: 0 to 150 V, 0 to 300 V/1 Hz to 550 Hz
  • DC: 0 to ±212 V, 0 V to ±424 V
  • Output terminals on front and back
  • DRJ series is also capable of implementing momentary outage tests on AC input devices.

Applications

  • For experiments
  • For production lines
  • For evaluation and testing of AC-operating devices

Models

Model AC DC
Lo range
(0 to 150 V)
Hi range
(0 to 300 V)
Lo range
(0 to ±212 V)
Hi range
(0 to ±424 V)
DRJ500 Max Output Power 500 VA 500 VA 330 W 330 W
Max Output Current 5.00 A 2.50 A 2.25 A 1.10 A

Note

DRJ series is not available to such applications where electric power is infused externally or regeneration to behavior is made. Therefore they are not suitable for such devises that "returning generated electric power to AC line" or "being connected directly to the commercial system".

In using the devices above, user our high-speed four-quadrant bipolar power sources with sink current function.

Functions

Compact

Since it is a bipolar power supply with switching amplifier method, its volume is extremely compact in approximately 1/6 compared with linear amplifier method. In addition, its compact design with only 5.5 inches (140 mm) width and approximately 5 kg weight allows it to be installed anywhere. The handle makes it easy to carry.

Compact body 1
Compact body 2

Wide range of output voltage and frequency

DRJ series can be used for various AC input devices. It is also capable of DC output and thus it can be used in various applications.

AC output
Voltage 0 to 150 V/0 to 300 V
Frequency 1 to 550 Hz
DC output
Voltage 0 to ±212 V/0 to ±424 V

Momentary power interruption Mode (-LPfl option)

It is possible to conduct momentary power interruption testing of the AC Input devices simply.
It allows to reproduce a circumstance where AC Input line is unstable or subject to momentary power interruption, thus customers AC input device can be simulated to testing under such environment.

When the momentary power failure operation is needed in three-phase output, the model which is equipped with -LPfl option is necessary as the model to be in charge of phase U. Please refer to "Options".
Setting time of momentary power interruption

Setting time of momentary power interruption 1

When this button pressed for more than 1 sec, a display is switched over to the indication which sets the time of momentary power interruption.

Setting time of momentary power interruption 2

It is able to set the time of momentary power interruption with 10ms unit in 10 ms to 5 s by turning the rotary encoder.

Image

Set in 10 ms to 5 s
[AC output]
Setting time: 10 ms to 5 s
Setting resolution: 10 ms

AC Output ON/OFF in accordance with the input AC supply ON/OFF (-LN option)

This allows users to re-start the power supply output after the input AC supply's recovery from stoppage without pressing the OUTPUT button on the front panel. Thus remote re-activation without touching/accessing the power supply can be realized.

High peak current

DRJ series addresses 20 A peak current (in Lo range).

It can output up to four crest factors and is ideal for capacitor input load.

High peak current graph

Universal type outlet

Power supply has the universal output outlet on the front panel so that various types of worldwide plugs can be used without adaptor. This helps users' global product development and testing work ever convenient and borderless.

Universal type outlet

Various output modes

  • Three-phase output
  • Single phase three-wire output
  • Master/Slave

It is capable of three-phase output, single phase three-wire output and master/slave connection as options.

Three-phase output

It allows three-phase AC testing and evaluation even on locations where only a single phase 100 V/200 V is available. Its space-saving design with 5.51 inches/140 mm x 3 = 16.54 inches/420 mm width even when three-phase output is configured allows it to be used anywhere.

Three-phase AC system in a rack

A special rack mount adapter is available.

Single phase input to three-phase AC output

Single phase three-wire output

It is possible to implement testing and evaluation of single phase three-wire even in locations with only single phase power.

Single phase three-wire output

Master/Slave

If a power supply of a larger capacity is necessary, it can be used to construct up to 1 kVA by Master/slave connection. (A master unit is connected to a single slave unit.)

Master-slave

Standard functions and various options

This product is equipped with external control and allows remote control on output on/off, voltage, frequency, and range setting. Thus it can be immediately used in automation of production lines. Furthermore, it is also possible to use GPIB, RS-232C, RS-485 and USB control as I/F option.

Standard functions and various options

Standard external control

  • Output on/off
  • Voltage control
  • Frequency control
  • Range switching
  • Fault output
  • Door switch
  • Remote/local control selection

I/F options

  • USB
  • GPIB
  • Optical interface: LAN, USB, RS-232C, RS-485, GPIB

Output options

  • Three-phase
  • Master-slave
  • Single phase three-wire

Remote control connector (REMOTE)

Remote/local switching

Each of voltage, frequency and range or all modes can be switched from relay or TTL signal.

Remote/local switching
Model External relay TTL
Remote Short LOW
Local Open HIGH

Remote switch ON/OFF

Output can be turned ON/OFF by relay or TTL signal.

Remote switch ON/OFF
OUTPUT External relay TTL
ON Short LOW
OFF Open HIGH

Status Output

The common is floating in open collector output.

  • Withstand voltage: 30 Vdc
  • Sink current 5 mA or lower
Status Output

FLT: ON in FLT status

Output Control

Output Control 1

Volt Vcon
0 to MAX 0 to 10 Vdc
Input imp.10 kΩ

Output Control 2

Fout Fcon
0 to MAX 0 to 10 Vdc
Input imp.10 kΩ

Output Control 3

Range External relay TTL
Hi (200 V) Range Short LOW
Lo (100 V) Range Open HIGH

* REMOTE common and chassis are connected internally.

Specifications

For details, download the datasheet below.

Options

-LGb: GPIB interface board *5

Remote switch ON/OFF, voltage range switching, variable voltage, variable frequency, status, voltage and current monitor

-LGob: Optical interface board *5

With optical communication, isolation control is performed. As complete isolation is performed by means of optical fiber, this enables advance prevention of erroneous operations involved with transient phenomenon caused by surges, inductive lightning, external noise, etc.

  • -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

For isolated control with optical communication
Remote switch ON/OFF, voltage range switching, variable voltage, variable frequency, status, voltage and current monitor, for optical conversion of various I/Fs (LAN, GPIB, RS-232C, RS-485 and USB), please see the datasheet for digital controller "CO/USB series."

-LMsm, -LMss: Parallel connection *1 *2

The output voltage can be increased by a parallel connection. The optional configuration will allow the connection of 1 slave unit (-LMss) to 1 master unit (-LMsm). (To change the combination, it must be adjusted in our factory.)

-LN: Cancellation of blackout protection

Power supply output can be activated ON/OFF in accordance with the input AC supply ON/OFF since the power supply can be chosen to re-activate output at the same time when the input AC supply recovers from blackout.

-LNh: No handle

The handle for carrying will not be equipped.

-LPfl: Simple momentary power interruption testing function *3 *4

It is able to set time of momentary power interruption in 10 ms to 5.00 s. (Setting resolution: 10 ms)

-LPhu, -LPhv, -LPhw: Multi-phase connection *1 *2 *3

Three-phase output mode is available. 1 unit of DRJ with each option will be needed.

-LUs1: USB interface board *5

Digital control is enabled through USB.

[The item which can be controlled]
Remote switch ON/OFF, switch of voltage range, voltage control, frequency control, status, voltage and current monitor
Computer operating system: Microsoft Windows XP/Vista/7/8 (Both of 32-bit and 64-bit are applicable.)
(Microsoft and Windows are registered trademark of Microsoft Corp. in USA and other.)

-L1p3wm, -L1p3ws: Single phase three-wire connection *1 *2

Single phase three-wire output mode is available.

  1. It is possible to choose only one from (-L1p3wm, -L1p3ws), (-LPhu, -LPhv,-LPhw) or (-LMsm, -LMss). It is necessary to equip each power supply with every option.
  2. To use an interface option (-LUs1, -LGb or -LGob), add only to the master unit (-L1p3wm, -LPhu or -LMsm). It is not required for the slave unit.
  3. If the momentary power failure operation is needed in three-phase output, -LPhu optional model which is also equipped with -LPfl option is necessary. -LPhv or -LPhw optional models need not necessarily be equipped with -LPfl option. However, when the momentary power failure operation is needed in single-phase output, that is, when one DRJ is used alone, -LPfl option is necessary. Therefore, when DRJ may be used alone and asked for the momentary power failure operation, it is necessary to equip each DRJ with -LPfl option.
  4. When the rigorous examination in accordance with a standard is required, it is necessary to use other bipolar power supplies.
  5. These options cannot be selected together.
It is also possible to install this product in a 19-inch rack by using the special rack mount adapter (model: RMO-133H-DRJ ). For details, please contact our sales representatives.

How to Order

When ordering, add Option No. in the following order by alphabet, and number to Model No.

Example
DRJ500-LGbNNhPflPhu
DRJ500-NNhPflPhuUs1
DRJ500-LGobNNhPfl1p3wm

AC input cable

Standard
CABLE TYPE 1
125 V/10 A
  • CABLE TYPE 1 Power input end
  • CABLE TYPE 1 Input plug
Sold separately
CABLE TYPE 3
250 V/10 A
  • CABLE TYPE 3 Power input end
  • CABLE TYPE 3 Input plug
Sold separately
CABLE TYPE 4
250 V/10 A
  • CABLE TYPE 4 Power input end
  • CABLE TYPE 4 Input plug

Dimensions

For details, download the datasheet below.

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