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Instruction Manual
DOP series
MODEL
*103.9.053*
B/N 103.9.053
Rev. 3.6

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Summary of Contents for Matsusada Precision DOP Series

  • Page 1 Instruction Manual DOP series MODEL *103.9.053* B/N 103.9.053 Rev. 3.6...
  • Page 2 ◆ No patent liability is assumed with respect to the use of the information contained herein. Moreover, because Matsusada Precision is constantly striving to improve its high-quality products, the information contained in this manual is subject to change without notice.
  • Page 3: For Safe Use Of The Product

    Bistable push button switch for preventing electric shock) Indicates the possible danger of death if Bistable push button switch you drink it and burns or blindness if it attaches. Indicates the possible danger of exposure Alternative Current to radiation. DOP series Matsusada Precision...
  • Page 4 It may result in electric shock or fire. ◆ Regarding the input voltage Check the page describing the input terminals and input voltage in the instruction manual. Do not provide any voltage out of the specifications. DOP series Matsusada Precision...
  • Page 5 In order to avoid electric shock, ground the terminals to discharge using a short-circuit grounding apparatus and check the voltage again. The terminals here mean all terminals like input and output terminals and terminals for communications and remote controls. DOP series Matsusada Precision...
  • Page 6 It requires to be replaced at regular intervals to extend the lifetime. For the replacement, contact us. (It requires a replacement charge separately. Do not replace it by yourself, as there is a risk of electric shock.) DOP series Matsusada Precision...
  • Page 7: Table Of Contents

    5-1 Canceling Power Failure Protection (-LN) ....................21 5-2 rms Display (-LPr) ............................ 21 5-3 Master/Slave Option (-LMsm) ........................21 5-4 Floating Ground (-LF) ..........................21 5-5 Output Voltage Limiter (-LVc) ........................21 5-6 Output Current Limiter (-LCc) ........................22 DOP series Matsusada Precision...
  • Page 8: Table Of Contents

    Table of Contents Master/Slave Option (-LMs) ..........................23 6-1 Connecting Master and Slave Units ......................23 6-2 Master/Slave Operation Procedures ......................24 6-3 Usage Notes ............................. 24 Troubleshooting ............................... 25 DOP series Matsusada Precision...
  • Page 9: Introduction

    We have carefully prepared this manual, but if you find any doubtful or unclear points, errors, or any omission, please contact us. DOP series, four-quadrant bipolar power supply that can source and sink electric power. You can also use the product in combination with a function generator, so it can output various waveforms of sinusoidal, saw-tooth, and rectangular.
  • Page 10: Features

    DOP25-12 DC to 30 ±12 DOP25-24 ±25 ±24 DOP25-48 1,200 ±48 DOP25-80 2,000 ±80 DOP30-40 ±30 1,200 ±405 DOP45-3.3 ±3.3 DOP45-6.6 DC to 20 ±6.6 DOP45-13.3 ±13.3 ±45 DOP45-16 ±16 DOP45-26.7 1,200 ±26.7 DOP45-44.4 2,000 ±44.4 DOP series Matsusada Precision...
  • Page 11 ±120 ±5 DOP120-10 1,200 ±10 DOP150-2 DC to 20 ±2 DOP150-4 ±150 ±4 DOP150-8 1,200 ±8 DOP200-1.5 ±1.5 DOP200-1.75 ±1.75 DOP200-3 ±200 ±3 DOP200-3.5 ±3.5 DOP200-6 1,200 ±6 DOP300-1 ±1 ±300 DOP300-2 ±2 1,200 DOP300-4 ±4 DOP series Matsusada Precision...
  • Page 12: Specifications

    Overvoltage protection, Overcurrent protection, Output short-circuit protection, Protections Power failure protection, Interlock Other functions Remote switch: Output ON/OFF Operating 0 to +40℃ temperature Storage temperature -20 to +70℃ Humidity 20 to 80% RH (No condensation) Installation altitude 2,000m or lower DOP series Matsusada Precision...
  • Page 13: Before Use

    This product applies to “High-frequency use equipment”. (This information is for Japan only.) DOP series applies to "high-frequency use equipment" that requires a license for use from the Minister of Internal Affairs and Communications in accordance with the provisions of Article 100 of the Radio Law.
  • Page 14: Installation

    If dust collects in the air inlet, remove it immediately. It prevents the unit from cooling. When doing work such as welding near the unit, disconnect all wires (of input/output and signals). DOP series Matsusada Precision...
  • Page 15: Characteristics Of Bipolar Power Supplies

    In this case, operate the unit while monitoring the output waveform. 100% f [Hz] [Vpp] Frequency ratio to fc → Attenuation of output amplitude with frequency DOP series Matsusada Precision...
  • Page 16 Step time: The responsiveness can be indicated by a rise time (as shown in Fig.2). The rise time of a bipolar amplifier at a response speed of (= frequency bandwidth) fc [Hz] is generally acquired by “tr = approx. 0.35/fc” The fall time tf equals to tr. Vcon-in 100% HVout Rise time DOP series Matsusada Precision...
  • Page 17: External Appearance

    INTERLOCK REMOTE ON/OFF INPUT AC 100-120V Connector Master/Slave (1) Output terminal (M4) (option) (2) Voltage monitor terminal (BNC) (6) Interlock (BNC) (3) Current monitor terminal (BNC) (7) Remote switch ON/OFF (BNC) (4) AC input terminal (M4) DOP series Matsusada Precision...
  • Page 18: Front Panel Of Model 300 W (60 A Or Higher But Lower Than 80 A) / 600 To 720W (120 V Or Lower)

    REMOTE ON/OFF INPUT AC200-240V (1) Output terminal (M4) (5) Connector for Master/Slave (option) (2) Voltage monitor terminal (BNC) (6) Interlock (BNC) (3) Current monitor terminal (BNC) (7) Remote switch ON/OFF (BNC) (4) AC input terminal (M4) DOP series Matsusada Precision...
  • Page 19: Rear Panel Of Model 300 To 720 W (120 V Or Lower, 60 A Or Higher But Lower Than 80 A)

    (1) POWER ON/OFF switch Current meter (2) Bias ON/OFF toggle Output voltage limiter (option) (3) Bias setting dial Output voltage limiter (option) (4) OUTPUTindication LED (10) CV/CC toggle (5) OUTPUT ON/OFF switch (11) Vcon-in terminal (BNC) (6) Voltage monitor DOP series Matsusada Precision...
  • Page 20: Rear Panel Of Model 600 To 720 W (120 V Or Higher)

    INTERLOCK REMOTE ON/OFF -240V (1) Output terminal (M4) (5) Remote switch ON/OFF (BNC) (2) Voltage monitor terminal (BNC) (6) Connector for Master/Slave (option) (3) Current monitor terminal (BNC) (7) AC input terminal (M4) (4) Interlock (BNC) DOP series Matsusada Precision...
  • Page 21: Rear Panel Of Model 1.2 Kw, 2 Kw (80 A Or Lower)

    REMOTE ON/OFF INPUT AC200-240V (1) Output terminal (M6) (5) Remote switch ON/OFF (BNC) (2) Voltage monitor terminal (BNC) (6) Connector for Master/Slave (option) (3) Current monitor terminal (BNC) (7) AC input terminal (M4) (4) Interlock (BNC) DOP series Matsusada Precision...
  • Page 22: Rear Panel Of 80 A Model

    ON/OFF INPUT AC200-240V (1) Output terminal (5) Remote switch ON/OFF (BNC) (2) Voltage monitor terminal (BNC) (6) Connector for Master/Slave (option) (3) Current monitor terminal (BNC) (7) AC input terminal (M4) (4) Interlock(BNC) Output terminal: t5.0 DOP series Matsusada Precision...
  • Page 23: Operation

    In the Distribution board, connect as follows. NEUTRAL = White LINE = Black )= Green GROUND( Green White Black L 100 to 120Vac or 200 to 240Vac±10%, 50/60Hz *The GROUND terminal is connected internally to the chassis. DOP series Matsusada Precision...
  • Page 24: Remote Sensing (For Dc Operation)

    In this case, it may be possible to suppress the oscillation by inserting an electrolytic capacitor of several hundred to several thousand μF between the output terminals (-OUT and +OUT) or the sense terminals (-S and +S) of the unit itself. If it has no effect, do not use remote sensing. DOP series Matsusada Precision...
  • Page 25: Operation Procedure

    The bias can be adjusted by turning on the [Bias ON/OFF] switch and turn the [Bias setting] dial. Set the voltage bias in CV mode, and set the current bias in CC mode. Bias setting dial CC mode CV mode Scale Output current Output voltage 000 (ccw) -Rated -Rated 1000 (cw) +Rated +Rated DOP series Matsusada Precision...
  • Page 26: Other Functions

    Avoid continuous use at a high frequency that would reduce the output amplitude of this unit. It may increase the internal loss of the unit and lead to failure. For your safety, be sure to ground the GROUND terminal. DOP series Matsusada Precision...
  • Page 27: Remote Switch On/Off

    Switch Interlock operation by An open collector can be also used open collector* instead of a switch. When not using the The interlock function will not work when interlock function attaching the supplied jumper material. Short DOP series Matsusada Precision...
  • Page 28 *Precautions for using open collectors The following requirements must be followed when using open collectors in the remote switch and interlock functions. Requirements for open collectors Output Switch Open collector Short 0.4V or less (10mA) Open more (Open: 5V) DOP series Matsusada Precision...
  • Page 29: Options

    The OUTPUT LED will light up in red showing output ON. Apply 12Vdc to the Vcon-in terminal. The present limit voltage (approx. 110% of the rated output voltage at factory default) is output. Turn the output voltage limiter to set the desired value. DOP series Matsusada Precision...
  • Page 30: Output Current Limiter (-Lcc)

    Turn ON the [Bias ON/OFF] switch, and slowly turn the Bias setting dial clockwise to activate the output current limiter (approx. 110% of the rated output current at factory default). Turn the output current limiter to set the desired value DOP series Matsusada Precision...
  • Page 31: Master/Slave Option (-Lms)

    Insert the cable connector to the D-sub female connector on the rear panel of the main unit and fasten the screws to secure it in place. Master -LMs connector Master Slave 1 -LMs connector Slave1 Slave 2 -LMs connector Slave2 DOP series Matsusada Precision...
  • Page 32: Master/Slave Operation Procedures

    * Do not connect to the load via the master or slave units. Refer to the figure below. Output terminals Master unit Master unit Load Slave 1 Load Slave 1 Slave 2 Slave 2 Correct connection Wrong connection Matsusada Precision DOP series...
  • Page 33: Troubleshooting

    ☐ Is the breaker's base capacity sufficient? * If any of the above items do not apply to you, or if you have checked but cannot recover, please contact our sales office where you purchased the product. Matsusada Precision DOP series...
  • Page 34 Revision History Rev. No. Rev. Date Revision Contents 2023/04 Fully revised and added Chapter “Troubleshooting”.

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