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Summary of Contents for Matsusada Precision DOS Series
- Page 1 Instruction Manual DOS series MODEL *103.9.169* B/N 103.9.169 Rev. 0.7...
- 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.
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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. DOS 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. DOS 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. DOS 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.) DOS series Matsusada Precision...
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Page 7: Table Of Contents
Floating Ground (-LF) ..........................19 Output Voltage Limiter (-LVc) ........................19 Output Current Limiter (-LCc) ........................20 Master/Slave Option (-LMs) ..........................21 1 Connecting Master and Slave Units ......................21 Master/Slave Operation Procedures ......................22 Usage Notes ............................. 22 DOS series Matsusada Precision... -
Page 9: Introduction
1-2 Overview DOS series, four-quadrant bipolar power supply features high speed and slew rate DC to 200kHz (in CC mode). 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
±80 2,000 DC to DC to DOS45-3.3 ±3.3 200kHz 100kHz DOS45-6.6 ±6.6 DOS45-13.3 ±13.3 ±45 DOS45-16 ±16 DOS45-26.7 ±26.7 1,200 DOS45-44.4 ±44.4 2,000 DOS60-2.5 ±2.5 DOS60-5 ±5 DOS60-10 ±60 ±10 DOS60-20 ±20 1,200 DOS60-33.3 ±33.3 2,000 DOS series Matsusada Precision... -
Page 11: Specifications
Overvoltage protection, Overcurrent protection, Output short-circuit protection, Protections Power failure protection, Interlock Other functions Remote switch: Output ON/OFF Operating temperature 0 to +40℃ Storage temperature -20 to +70℃ Humidity 20 to 80% RH (No condensation) Installation altitude 2,000m or lower DOS series Matsusada Precision... -
Page 12: Before Use
This product applies to “High-frequency use equipment”. (This information is for Japan only.) DOS 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 13: 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). DOS series Matsusada Precision... -
Page 14: 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 DOS series Matsusada Precision... - Page 15 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 DOS series Matsusada Precision...
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Page 16: External Appearance
Rear panel (6) (7) INTERLOCK REMOTE ON/OFF INPUT AC 100-120V (1) Output terminal (5) Connector for Master/Slave (option) (2) Voltage monitor terminal (6) Interlock (3) Current monitor terminal (7) Remote switch ON/OFF (4) AC input terminal DOS series Matsusada Precision... -
Page 17: 600W To 720W Model
(6) Voltage monitor ・ Rear panel INTERLOCK REMOTE ON/OFF INPUT AC200-240V (1) Output terminal (5) Connector for Master/Slave (option) (2) Voltage monitor terminal (6) Interlock (3) Current monitor terminal (7) Remote switch ON/OFF (4) AC input terminal DOS series Matsusada Precision... -
Page 18: 1,200W/2,000W Model
(1) Bias ON/OFF switch Current meter (2) Bias setting dial Output voltage limiter (option) (3) POWER ON/OFF switch Output voltage limiter (option) (4) OUTPUＴindication LED (10) CV/CC toggle (5) OUTPUT ON/OFF switch (11) Vcon-in terminal (6) Voltage monitor DOS series Matsusada Precision... - Page 19 Rear panel: 1,200W/2,000W, lower than 80A INTERLOCK REMOTE ON/OFF INPUT AC200-240V (1) Output terminal (5) Remote switch ON/OFF (2) Voltage monitor terminal (6) Connector for Master/Slave (option) (3) Current monitor terminal (7) AC input terminal (4) Interlock DOS series Matsusada Precision...
- Page 20 Rear panel: 1,200W/2,000W, 80A or higher INTERLOCK REMOTE ON/OFF INPUT AC200-240V (1) Output terminal (5) Remote switch ON/OFF (2) Voltage monitor terminal (6) Connector for Master/Slave (option) (3) Current monitor terminal (7) AC input terminal (4) Interlock DOS series Matsusada Precision...
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Page 21: Operation
In the Distribution board, connect as follows. NEUTRAL = White LINE = Black ）= Green GROUND（ Green White Ｌ 100 to 120Vac or 200 to 240Vac±10%, 50/60Hz *The GROUND terminal is connected internally to the chassis. DOS series Matsusada Precision... -
Page 22: 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. DOS series Matsusada Precision... -
Page 23: 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 DOS series Matsusada Precision... -
Page 24: 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. DOS series Matsusada Precision... -
Page 25: 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 DOS series Matsusada Precision... - Page 26 *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) DOS series Matsusada Precision...
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Page 27: 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. DOS series Matsusada Precision... -
Page 28: 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 DOS series Matsusada Precision... -
Page 29: 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 DOS series Matsusada Precision... -
Page 30: 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 DOS series... - Page 31 Revision History Rev. No. Rev. Date Revision Contents 2013/08 First edition 2022/07 Updated the English version to the latest Japanese.
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