Matsusada Precision DOPF Series Instruction Manual
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Matsusada Precision DOPF Series Instruction Manual

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Instruction Manual
DOPF series
MODEL
*103.9.218*
Rev. 1.2
B/N 103.9.218

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Summary of Contents for Matsusada Precision DOPF Series

  • Page 1 Instruction Manual DOPF series MODEL *103.9.218* Rev. 1.2 B/N 103.9.218...
  • Page 2  No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form, or by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior written permission of Matsusada Precision.  No patent liability is assumed with respect to the use of the information contained herein.
  • Page 3 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. DOPF series...
  • Page 4  Do not process or damage power cables 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. DOPF series...
  • 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. DOPF series...
  • 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.) DOPF series...

  • Page 7: Table Of Contents

    Instruction for Handling ............................19 Overview ................................. 19 Connection to the load ........................... 19 Connection of AC input cable ......................... 20 Remote sensing (DC output only) ........................20 Other Function ..............................21 Overcurrent Protection ........................... 21 Output Range ..............................21 DOPF series...
  • Page 8 Interlock (-LD) ..............................83 Floating ground (-LF)............................84 Master/Slave option (-LMs) ..........................84 4-4-1 Master-slave connection ......................... 85 4-4-2 Capacitive load operation ........................86 4-4-3 Cautions when using ..........................86 4-4-4 Setting ..............................87 4-4-5 Monitor ..............................88 Troubleshooting..............................89 DOPF series...

  • Page 9: Introduction

    Thank you very much for your purchase of our product, DOPF series. Matsusada Precision takes every precaution to ensure the quality of our products. Please follow the instructions in the manual to ensure full performance and safe use of the product.

  • Page 10: Installation Conditions

    This product applies to “High-frequency use equipment”. DOPF 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 11: Approach To Problem Solving

    Inadequate bandwidth causes not only decrease in the output amplitude but much difference between the input and output phase. Therefore, attention must be paid by using the product while monitoring the output waveforms. Output amplitude 100% (Vpp) f(Hz) Frequency ratio to fc Attenuation of frequency DOPF series...

  • Page 12: Model Lineup

    DOPF45-6.6 300W 17kg 133mm 550mm DOPF45-13.3 600W 23kg 177mm 610mm Terminal p.6,7,8 p.14 DOPF45-16 720W 23kg 177mm 610mm board DOPF45-26.7 1200W 40kg p.10,11 p.16 266mm 610mm DOPF45-44.4 2000W 47kg *1 Width is 483mm in all models DOPF series...
  • Page 13 38kg p.10,11 p.16 266mm 610mm DOPF200-6 1200W 47kg DOPF300-1 300W 18kg p.6,7,8 p.13 133mm 550mm Terminal DOPF300-2 600W 30kg p.12 p.18 266mm 610mm board DOPF300-4 1200W 47kg p.10,11 p.16 133mm 610mm *1 Width is 483mm in all models DOPF series...

  • Page 14: External View

    (5) OUTPUT ON/OFF switch (14) FREQ/DUTY switch (6) LCD (15) FREQ/DUTY encoder EXT control signal (Vcon) (7) MEMORY switch (16) indication LED (8) OVP SET switch (17) EXT VCON switch (9) KEYLOCK indication LED (18) EXT VCON input terminal DOPF series...
  • Page 15 (19) [Rear view] Height 177mm (25) (24) (21) (22) (23) (20) (19) (19) Connector for Master/Slave (option) (23) Input terminal (20) OUTPUT terminal (24) Remote switch (option) (21) Voltage monitor terminal (25) Interlock (option) (22) Current monitor terminal DOPF series...

  • Page 16: External View A (With Communication Option)

    (26) (25) (24) (21) (22) (23) (20) (19) (19) Connector for Master-Slave (option) (23) Input terminal (20) OUTPUT terminal (24) Remote switch (option) (21) Voltage monitor terminal (25) Interlock (option) (22) Current monitor terminal (26) Communication connector (option) DOPF series...

  • Page 17: External View B

    (21) Voltage monitor terminal (9) KEYLOCK indication LED (22) Current monitor terminal (10) KEYLOCK switch (23) Input terminal (11) WAVE switch (24) Remote switch (option) (12) CV/CC switch (25) Interlock (option) (13) DISP switch (26) Communication connector (option) DOPF series...

  • Page 18: External View C

    (5) OUTPUT ON/OFF switch (14) FREQ/DUTY switch (6) LCD (15) FREQ/DUTY encoder (7) MEMORY switch (16) EXT control signal (Vcon) indication LED (8) OVP SET switch (17) EXT VCON switch (9) KEYLOCK indication LED (18) EXT VCON input terminal DOPF series...
  • Page 19 (20) (21) (22) (25) (24) (19) (26) (23) (19) Connector for Master-Slave (option) (23) Input terminal (20) OUTPUT terminal (24) Remote switch (option) (21) Voltage monitor terminal (25) Interlock (option) (22) Current monitor terminal (26) Communication connector (option) DOPF series...

  • Page 20: External View D

    (24) Remote switch (option) (7) MEMORY switch (16) EXT control signal (Vcon) (25) Interlock (option) indication LED (8) OVP SET switch (17) EXT VCON switch (26) Communication connector (option) (9) KEYLOCK indication LED (18) EXT VCON input terminal DOPF series...

  • Page 21: Dimensions

    2 Model Lineup Dimensions 2-3-1 Dimension A Model D1 [mm] D2 [mm] Height: 133mm 150W (except DOPF5-30) 300W, 350W, DOPF5-30 DOPF series...
  • Page 22 2 Model Lineup Height: 177mm DOPF series...

  • Page 23: Dimension B

    2 Model Lineup 2-3-2 Dimension B DOPF series...

  • Page 24: Dimension C

    2 Model Lineup 2-3-3 Dimension C Terminal DOPF series...
  • Page 25 2 Model Lineup Busbar DOPF series...

  • Page 26: Dimension D

    2 Model Lineup 2-3-4 Dimension D DOPF series...

  • Page 27: Instruction For Handling

    And, even if the sine wave output resonates, it looks just like a decrease of the output. If there is any abnormality, connect a C-R series circuit after checking the output waveform with square wave output. Current Current Time Time Normal square Resonant square waveform output waveform output DOPF series...

  • Page 28: Connection Of Ac Input Cable

    Connect the + Sense and - Sense as shown below. Connect the load in the same way. Ground the shield at one point: power supply or load. 4. Turn the power of the unit ON. -OUT +OUT Jamper Jamper -Sense line +Sense line Shield line +Output line -Output line Load DOPF series...

  • Page 29: Other Function

    (Frequency 50 Hz or higher, duty 50 %, and no bias) DC operating range Please avoid continuous use in high frequency. It could increase internal loss, resulting in failure. For safety, be sure to ground the GND terminal. DOPF series...

  • Page 30: Operation Setting

    Switch Switch 3-8-1． Normal Operation This part explains the operation procedures to conduct basic operation of DOPF series Such as operation procedures to output sine wave, square wave and others, setting of protection, memory function and others. 3-8-2． Sequence Operation...

  • Page 31: Normal Operation

    3-8-1 Normal Operation In DOPF series, you can easily conduct basic operations using the switches on the front panel. The contents of setting and the state of operation can be checked by the LCD display as well as LED. The following normal operation indicates basic action / operation / function of voltage, electric current and waveform setting other than sequence operation.
  • Page 32 Example: Sine wave setting screen 3. OVP/OCP set screen ➞  OVP setting OVP Set 60.0 V  OCP setting OCP Set 15.0 A Moni-Set  Measurement setting Period Set Auto  Setting of Input/Cutoff phase Example: Protection setting screen DOPF series...

  • Page 33: Output On / Off

    ACI Set 12.0 A DCI Set -10.0 A  DC current setting 59.9 Vdc 12.1 Adc Example: CC mode setting screen Output is turned off when the CV/CC mode is changed (pressing the CV/CC” switch) at the output on. DOPF series...

  • Page 34: Signal Switch

    3 Instruction for Handling 3-8-1-3 SIGNAL SWITCH Using the EXT VCON switch, DOPF Series enables to conduct signal switching between the internally-generated signal and the external signal. By enabling the external signal, the product can be used as an amplifier.

  • Page 35: Voltage / Current Set

    Example: CC mode Setting value is not rms value or peak to peak value. Voltage Voltage (Peak value) 50V＋30V 50V – 30V ０V Amplitude; 30V(center ‐ 50V) Example: Amplitude range of 80V to 20V Setting; ACV = 30V, DCV =50 DOPF series...

  • Page 36: Item Switch

    VOLT/CURR VOLT/CURR Encoder The setting unit and range of AC and DC depend on the models, and they are shown in the table below. Table．Setting unit and range of DOPF series Setting range MODE Model Setting unit Item display...

  • Page 37: Waveform Set

    Start 0 deg Switch ＋0 deg ON Phase Press FREQ/DUTY switch ➞ Wave Sine Freq 1.000kHz Start 0 deg ＋0 deg ON Phase Press FREQ/DUTY switch ➞ Wave Sine Freq 1.000kHz Start 0 deg ＋0 deg ON Phase DOPF series...

  • Page 38: Frequency Set

    *Unit of frequency set range You can set four figures. The minimum unit which can be set depends on the frequency on display. ： 0.001Hz Example1) 1.000Hz range ： 0.001kHz Example2) 1.000kHz range ： 0.01kHz Example3) 10.00kHz range DOPF series...

  • Page 39: Phase / On Duty Set

    On phase set -90deg Output on Output on Example Cut off phase =-180deg Example Input phase =180deg *Notes When the polarity of on phase is positive, it attitudes input phase. On the contrary, when it’s negative, it attitudes cutoff phase. DOPF series...
  • Page 40 “→” blinks on display. The valued of the item where “→” is blinking can be changed. Encoder (changing value) [Changing values] The setting of duty value is conducted with “FREQ/DUTY” encoder. [Range of duty] 1.0 to 99.0%、 resolution：0.1% DOPF series...

  • Page 41: Display Switch

    Voltage/Current setting screen ➞ <LOC> CV Mode ➞ ACV Set 60.0 V DCV Set -40.0 V 59.9 Vdc 12.1 Adc DISP switch ➞ Wave Triangle ➞ Freq 1.000kHz Start 0 deg ON Phase 0 deg Waveform setting screen DOPF series...

  • Page 42: Memory

    If you press switches except for the “Memory” switch and “DISP” switch, the memory function is canceled and the normal screen (voltage/current setting screen) appears. MEMORY switch VOLT/CURR (recall/store) DISP switch VOLT/CURR dial (Confirming (Changing memory setting) number) DOPF series...
  • Page 43 (1) Memory recall DISP switch screen screen screen STORE DISP ACV Set 60.0 V Data Save MEM RECALL 0 switch ➝ DCV Set -40.0 V Enter 60.0 V Sine 1.000kHz MEMORY switch -40.0 V Sine 1.000kHz (1) Memory recall screen DOPF series...

  • Page 44: Ovp (Overvoltage Protection) / Ocp (Overcurrent Protection)

    ➞ ＜LOC> CV Mode ➞ ACV Set 60.0 V DCV Set -40.0 V Switch -40.0 Vdc 12.1 Adc OVP SET switch OVP Set 72.0 V switch ➞ OCP Set 6.00 A Moni Set Period Auto OVP/OCP set screen DOPF series...
  • Page 45 For details, refer to the Instruction Manual of -LGob option. [Changing values] Turn the “VOLT/CURR” set encoder to change the value of OVP and OCP. [Range of OVP setting] 0 to rated value ｘ 120% [Range of OCP setting] 0 to rated value ｘ 120% DOPF series...

  • Page 46: Measurement Setting

    ACV Set 60.0 V Moni Set DCV Set -40.0 V Period Auto 59.9 Vmin -12.1 Amin [Minimum setting screen] [Min measured value screen] AC value (rms) Maximum value DC value Minimum value Relation of measurement setting and value ０V DOPF series...
  • Page 47 6.00 A Moni Set Moni Set Period Range1 Period Auto Example: External signal screen (Range 1) Example: Internal signal screen (Auto) 【change the value】 “VOLT/CURR” encoder is used change the value of measurement setting. Encoder VOLT/CURR (Changing value) DOPF series...

  • Page 48: Key Lock

    The monitor signal of 0 to ±10V proportional to the rated output current is output from the BNC terminal for current monitoring on the rear panel. The monitor signal is 10V at the rated output current. (Output impedance: 1kΩ) Voltage Current monitor monitor terminal terminal (Vmoni) (Imoni) DOPF series...

  • Page 49: Sequence

    ・AC frequency Program 1 ・phase, duty ・jump time ＜loop＞ +DC output +DC output -DC output Ramp output -DC output Rising ramp ＋ ＜end（off）set＞ -Voltage/ Falling time AC output （sine wave） ＜end（hold）set＞ current －DC output Raise ramp Sequence output waveform DOPF series...

  • Page 50: Sequence Spec

    3-8-2-6 Sequence program and parameter sequence operation? How to edit program parameter? 3-8-2-7 Procedure for parameter of program How to edit step parameters? 3-8-2- 8 Procedure for parameter of step How to save the sequence program? 3-8-2-9 Save sequence program DOPF series...
  • Page 51 Switch step edit page at step edit Switch program edit page at program edit DISP Change screen Switch between program edit page and step edit page FREQ/DUTY Change item Not used (unavailable) (frequency/phase/duty) EXT VCON switch internal/external signal Not used (unavailable) DOPF series...

  • Page 52: Transit To Sequence Operation (From Normal Operation)

    The chapter describes the method to used program such as sequence run, stop, pause and others. Refer to 3-8-2-4 State of sequence program ●Sequence edit The chapter describes setting and edit sequence program and step. Refer to 3-8-2-7 Procedure for parameters of program Refer to 3-8-2-8 Procedure for parameters of step DOPF series...
  • Page 53 Refer to 3-8-2-5 Recall of the program data whose program number is specified Program number 1 loaded [SQC Stop] Prog 1 Recall program number 1 Loop 1 Step 1 Time 000s 000ms 0.0 Vdc 0.0 Adc Switched sequence operation screen DOPF series...

  • Page 54: State Of Sequence Program

    Sequence pause screen (output on) OUTPUT LED Light off ： Output off (sequence stop) OUTPUT LED Light on ： Output on (sequence run and end hold) Blink ： Output on (sequence pause) Relation between state of sequence program and LED DOPF series...
  • Page 55 *OUTPUT LED off State of sequence Sequence stop ※OUTPUT LED light off State of sequence OUTPUT Sequence stop switch OUTPUT switch OUTPUT Sequence pause switch OUTPUT switch Sequence run *OUTPUT LED blink (output on) MEMORY switch *OUTPUT LED on DOPF series...
  • Page 56 Prog 1 [SQC Run] Current loop number  Current step number Loop 5 Step 7  Current step progress time Time 003s 055ms  DC voltage/current measurement 59.9 Vdc 12.1 Adc value Sequence run screen DOPF series...
  • Page 57 12.1 Adc OUTPUT LED Light on ： sequence run (output on) OUTPUT switch (Sequence stop) Sequence run [SQC Stop] Prog 1 Light off ： sequence stop (output off） Loop 1 Step 1 Time 000s 000ms 0.0 Vdc 0.0 Adc DOPF series...
  • Page 58 ： sequence pause（output on） 59.9 Vdc 12.1 Adc “MEMORY” switch [SQC Run] Prog 1 Light on ： sequence run（output on） Loop 5 Step 7 Light on ： sequence run（output on） Time 003s 055ms 59.9 Vdc 12.1 Adc Sequence run DOPF series...

  • Page 59: Recall Of The Program Data Whose Program Number Is Specified

    WAVE switch Sequence Data ………. Update A few seconds later, Switch screen switches. A few seconds later, [SQC Stop] Prog 3 CC Screen switch Loop 1 Step 1 Time 000s000ms 0.0 Vdc 0.0 Adc Sequence stop Sequence stop screen DOPF series...

  • Page 60: Sequence Program And Parameters

     CV/CC mode CV/CC Mode : CV  End step number End Step : 16 Loop  Loop number Program edit page2 screen  Program end setting [PROG EDIT] Prog: 1 Program edit page2 screen Setting : OFF DOPF series...
  • Page 61 Light on ： program complete（output on） 0.0 Vdc 0.0 Adc Sequence program terminates with the end setting HOLD. To turn off the output or run the sequence program again, press “OUTPUT” switch to stop the sequence (to turn off the output). DOPF series...
  • Page 62 Jump number When the jump setting is ON, the jump number can be 1 to 255 determined, and as it exceeds the setting, the next step will be conducted. If jump setting is OFF, the setting is neglected. DOPF series...
  • Page 63  Start phase or on duty (for square/ triangle waveform) Step edit screen page 4  Step number [STEP EDIT] Step: 1 ： Jump  Jump setting ： Jump Step  Jump step ： Jump Num  Jump number DOPF series...
  • Page 64 50ms min step time 50ms Min step time 10ms DC ramp DC ramp = OFF Square wave min step time 50ms min step time 50ms AC = OFF Min step time 10ms Figure．Min step time Figure．Min step time DOPF series...
  • Page 65 The set value of input/cut off phase in the normal operation is set in the sine wave of all steps. For details on phase setting of the normal operation, refer to 3-8-1-8 PHASE / ON DUTY SET. DOPF series...

  • Page 66: Procedure For Parameter Of Program

    Program number setting (Program edit page 1) How to save the program without changing other setting? Refer to 3-8-2-9 Save sequence program. How to edit the step without editing other programs? Refer to 3-8-2-8 Procedure for parameters of step. DOPF series...
  • Page 67 CV/CC mode setting (Program edit page1) Encoder How to save the program without changing other setting? Refer to 3-8-2-9 Save sequence program. How to edit the step without editing other programs? Refer to 3-8-2-8 Procedure for parameters of step. DOPF series...
  • Page 68 End step number setting (Program edit page1) VOLT/CURR Encoder How to save the program without changing other setting? Refer to 3-8-2-9 Save sequence program. How to edit the step without editing other programs? Refer to 3-8-2-8 Procedure for parameters of step. DOPF series...
  • Page 69 Loop number = infinity (program edit page1) How to save the program without changing other setting? Refer to 3-8-2-9 Save sequence program. How to edit the step without editing other programs? Refer to 3-8-2-8 Procedure for parameters of step. DOPF series...
  • Page 70 Change end setting （program edit page2） How to save the program without changing other setting? Refer to 3-8-2-9 Save sequence program. How to edit the step without editing other programs? Refer to 3-8-2-8 Procedure for parameters of step. DOPF series...

  • Page 71: Procedure For Parameters Of Step

    Change step number (step edit page1) How to save the program without changing other setting? Refer to 3-8-2-9 Save sequence program. How to edit the program without editing other steps? Refer to 3-8-2-7 Procedure for parameter of program DOPF series...
  • Page 72 Change DC voltage value (step edit page1) How to save the program without changing other setting? Refer to 3-8-2-9 Save sequence program. How to edit the program without editing other steps? Refer to 3-8-2-7 Procedure for parameter of program DOPF series...
  • Page 73 Change step time of sec unit (step edit page1) VOLT/CURR [STEP EDIT] Step : １5 Encoder ： DCV Set 18.9V 0100s000ms Step time of msec unit Time Set ： ： RAMP Change step time of msec unit (step edit page1) DOPF series...
  • Page 74 (6) Set DC ramp end. When DC ramp is on, the setting of DC voltage is neglected. How to save the program without changing other setting? Refer to 3-8-2-9 Save sequence program. How to edit the program without editing other steps? Refer to 3-8-2-7 Procedure for parameter of program DOPF series...
  • Page 75 For the DC ramp output, set the DC ramp start along DC ramp setting ON as shown in (5). How to save the program without changing other setting? Refer to 3-8-2-9 Save sequence program. How to edit the program without editing other steps? Refer to 3-8-2-7 Procedure for parameter of program DOPF series...
  • Page 76 For the DC ramp output, set the DC ramp end along with DC ramp setting ON as shown in (5). How to save the program without changing other setting? Refer to 3-8-2-9 Save sequence program. How to edit the program without editing other steps? Refer to 3-8-2-7 Procedure for parameter of program DOPF series...
  • Page 77 Change AC setting (step edit page2) AC setting How to save the program without changing other setting? Refer to 3-8-2-9 Save sequence program. How to edit the program without editing other steps? Refer to 3-8-2-7 Procedure for parameter of program DOPF series...
  • Page 78 Step : １5 ： ACV Set 7.07 V AC voltage VOLT／CURR ： Freq 1.000kHz ： Encoder Start Phase 45 deg Change AC voltage/current (step edit page3) For the AC waveform output, set the AC waveform as shown in (7). DOPF series...
  • Page 79 For the AC waveform output, set the AC waveform as shown in (7). How to save the program without changing other setting? Refer to 3-8-2-9 Save sequence program. How to edit the program without editing other steps? Refer to 3-8-2-7 Procedure for parameter of program DOPF series...
  • Page 80 Change start phase (step edit page3) How to save the program without changing other setting? Refer to 3-8-2-9 Save sequence program. How to edit the program without editing other steps? Refer to 3-8-2-7 Procedure for parameter of program DOPF series...
  • Page 81 Change on duty (step edit page3) How to save the program without changing other setting? Refer to 3-8-2-9 Save sequence program. How to edit the program without editing other steps? Refer to 3-8-2-7 Procedure for parameter of program DOPF series...
  • Page 82 Change jump setting (step edit page4) How to save the program without changing other setting? Refer to 3-8-2-9 Save sequence program. How to edit the program without editing other steps? Refer to 3-8-2-7 Procedure for parameter of program DOPF series...
  • Page 83 Encoder Change jump step（step edit page4） How to save the program without changing other setting? Refer to 3-8-2-9 Save sequence program. How to edit the program without editing other steps? Refer to 3-8-2-7 Procedure for parameter of program DOPF series...
  • Page 84 Change jump number (step edit page4) How to save the program without changing other setting? Refer to 3-8-2-9 Save sequence program. How to edit the program without editing other steps? Refer to 3-8-2-7 Procedure for parameter of program DOPF series...

  • Page 85: Save Sequence Program

    0.0 Adc Sequence stop screen *Notes If the sequence program or edit data of step is cancelled, the changed data is not saved by pressing “MEMORY” switch for 2seconds to return to the normal operation without conducting save process. DOPF series...
  • Page 86 1,2, or 3 CV／CC end step number loop number end setting Program edit screen （page1） Program edit screen （page2） [PROG EDIT] [PROG EDIT] Prog : 1 Prog : 1 ： ： CV/CC Mode End Setting ： End Step ： Loop DOPF series...
  • Page 87 Sequence stop screen Save screen [SQC Stop] Prog 3 CV Sequence stop screen Save screen Sequence Data Loop 1 Step 1 Update ・・・・ Time 000s000ms 0.0 Vdc 0.0 Adc 6) Start the sequence operation by pressing “OUTPUT” switch. DOPF series...
  • Page 88 1 to 3 CV／CC end step number loop number end setting Program edit （page1） Program edit （page2） [PROG EDIT] Prog : 2 [PROG EDIT] Prog : 2 ： End Setting CV/CC Mode ： End Step ： Loop DOPF series...
  • Page 89 Save screen Sequence stop screen [SQC Stop] Prog 1 CV Sequence stop screen Save screen Sequence Data Loop 1 Step 1 Update ・・・・ Time 000s000ms 0.0 Vdc 0.0 Adc 6) Start the sequence operation by pressing “OUTPUT” switch. DOPF series...

  • Page 90: Remote On/Off Switch (-Ls)

    2) If you want to use the remote switch By changing the remote switch to Short from Open at OUTPUT OFF. By changing the remote switch to Open from Short at OUTPUT ON. The sequence operation of run and stop is the same. DOPF series...

  • Page 91: Interlock (-Ld)

    When Open collector is used in the Remote switch or Interlock function, this option, follow the requirements below for use. Requirements for open collector Output Switch Open collector Short 0.4V or less (10mA） Open 2V or less (Open 5V) DOPF series...

  • Page 92: Floating Ground (-Lf)

    Output current can be increased by master/slave control with LMs option among the same model. Note that the option is available only at same lot. If you change the combination of Master/Salve machines, adjustment at factory is needed. Master slave connection cable is added to the accessory. (1pcs/1set) DOPF series...

  • Page 93: Master-Slave Connection

    You can see Master, Slave1, Slave2 and so on, indicated on the D sub connector of cable. Please be careful to connect correct female D-sub connector on rear panel of power supply. In DOPF series, attach the master-slave connection cable to the main unit to perform the master/slave operation.

  • Page 94: Capacitive Load Operation

    Master Master ＋ ＋ Load Slave 1 Slave 1 Load ＋ ＋ － － － － Slave 1 Slave 1 ＋ ＋ Slave 2 Slave 2 ＋ － ＋ － Slave 2 Slave 2 － － Correct Incorrect DOPF series...

  • Page 95: Setting

    *As the slave unit is mainly used for monitor setting, other operations are not available except using “POWER” switch, “OUTPUT” switch, “VOLT/CURR” encoder. The relevant sections provide details about OUTPUT operation. OUTPUT ON/OFF switch POWER ON/OFF switch VOLT/CURR encoder [Enlarged view] OVP SET switch Switches for slave operation DOPF series...

  • Page 96: Monitor

    10.0 A DCI Set -40.0 A SLAVE 1 -20.0 Adc -20.0 Adc Curr 60.0 Vdc Output current value of master unit on monitor Output current value of slave on monitor [Display of slave unit] [Display of master unit] DOPF series...

  • Page 97: Troubleshooting

    ☐ Is the product in remote control mode? Switch is not operating ☐ Is the LOCK function working? normally. *If nothing meets the above case, or if the problem is not solved after checking, please contact our sales office where you purchased the product. DOPF series...
  • Page 98 Revision History Rev. No. Rev. Date Rev. Description 2020/07 First edition 2021/07 Corrected words, changed the format.

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