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4. Advanced Operation

PROGRAMMABLE AC POWER SOURCE

102



Sequence Edit View (always output off state)

ステップ番号

ステップ制御パラメタ

ステップ内パラメタ

アイコン

Step-control parameter

Intra-Step parameter

Icon

step number

Figure 4-7 Sequence Edit View



Sequence Control View (output off state/sequence stopped)

計測値表示

アイコン

ステップ

No. 0

の出力設定

Measured Value to be
displayed

Output setting of
step No.0

Icon

Figure 4-8 Sequence Control View (Output Off State)



Sequence Control View (output on state/sequence in execution)

アイコン

（一時停止中は

HOLD

）

計測値表示

実行中ステップの出力設定

Measured Value to be
displayed

Output setting of
executing step

Icon

(HOLD while suspended)

Figure 4-9 Sequence Control View (Output On State/Sequence in Execution)

Содержание DP015S

Страница 1: ...PROGRAMMABLE AC POWER SOURCE DP Series INSTRUCTION MANUAL NF Corporation ...

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Страница 3: ...PROGRAMMABLE AC POWER SOURCE DP Series INSTRUCTION MANUAL DA00027113 001 ...

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Страница 5: ...ng chapters If it is the first time for you to use this product start with 1 Outline 1 Outline Explains the overview configuration and features of this product 2 Preparation before Use Explains the preparations carried out before installation or operation 3 Basic operation Explains the component names and basic operations 4 Advanced Operation Explains the operations more extensively 5 Description ...

Страница 6: ...ound so that ground resistance is 100Ω or less Check the power supply voltage This product operates on the power supply voltage specified in 2 4 Grounding and Power Connections Before connecting the product to a power supply make sure that the voltage of distribution board conforms to the power supply voltage rating of the product If you notice anything strange If this product produces smoke unusu...

Страница 7: ...ons Protection conductor terminal This indicates that the terminal needs to be grounded in order to prevent electric shock accidents Before operating the equipment ensure to connect this terminal to an earth ground by the Electric Facilities Technical Standards Type D 100Ω or less or a higher standard Warning This contains information to avoid risks in equipment handling that could result in loss ...

Страница 8: ...7 2 5 2 Polyphase Model 19 2 5 3 Multi phase Model 21 2 5 4 Polyphase System 22 2 6 How to Tilt Control Panel 26 2 7 Simple Operation Check 27 2 8 Calibration 30 3 Basic Operation 31 3 1 Component Name 32 3 1 1 Front 32 3 1 2 Rear 34 3 1 3 Control Panel 36 3 2 Power On Off 37 3 2 1 Before Turning on the Power 37 3 2 2 Set the Output Phase Mode Multi phase model Only 38 3 2 3 Power On 38 3 2 4 Scre...

Страница 9: ...asured Value 61 3 4 12 Clearing the Output Current Peak hold Value 63 3 4 13 Switching the Target Phase of which the Measured Values are Displayed Polyphase Output 65 4 Advanced Operation 67 4 1 Using Limiter Setting Limiter 68 4 1 1 Use Peak Current Limiter 68 4 1 2 Using RMS Current Limiter 70 4 1 3 Using Voltage Setting Range Limit 71 4 1 4 Using Frequency Setting Range Limit 73 4 1 5 About Wat...

Страница 10: ...0 4 5 3 Measurement Method 130 4 5 4 Measurement Tips 131 4 6 Using Clipped Sine Wave 131 4 7 Outputting Arbitrary Waveform 134 4 7 1 Basics 134 4 7 2 Arbitrary Waveform Creation Procedure 135 4 7 3 Arbitrary Waveform Creation Example 135 4 7 4 Transferring Arbitrary Waveform 135 4 7 5 Outputting Arbitrary Waveform 138 4 8 Using Memory Function 139 4 8 1 Basic Setting Memory 140 4 8 2 Arbitrary Wa...

Страница 11: ...enu 197 5 1 Screen Configuration 198 5 1 1 Status Icon 199 5 1 2 Measured Value Display Items 200 5 1 3 Output Setting Display Items 201 5 1 4 Warning and Error Display 201 5 2 Menu Composition 202 5 2 1 Menus of the Continuous Function 202 5 2 2 Menus of the Sequence Function 203 5 2 3 Menus of the Simulation Function 204 5 2 4 Menus of the Memory Function 204 5 2 5 System Menus 205 6 Remote Cont...

Страница 12: ... 8 Distortion of Output Voltage Waveform 248 10 9 Power Input 249 10 10 Withstand Voltage and Insulation Resistance 249 10 11 Measurement Function 250 10 12 Power Unit Energization Setting 254 10 13 Current Limiter 255 10 14 Setting Range Limit Function 256 10 15 Remote Sensing 257 10 16 AGC Optional 258 10 17 Autocal Output Voltage Compensation 258 10 18 Sequence Optional 259 10 19 Simulation Opt...

Страница 13: ...nal Interface 267 10 28 USB Memory Interface 267 10 29 Waveform Monitor Output 268 10 30 Operation Environment 269 10 31 Externals Weight and Terminal Block 270 10 32 Option 271 10 33 Outline Dimensional Drawing 272 Index 276 ...

Страница 14: ...ry Box 44 Figure 3 13 Character String Entry Box 45 Figure 3 14 The Normal View left and the Simple View Mode right 61 Figure 4 1 Step control Parameters and intra Step Parameters 76 Figure 4 2 Step Behavior 77 Figure 4 3 Stop Phase 80 Figure 4 4 Example of Sequence 81 Figure 4 5 Process Flow in Sequence Step 82 Figure 4 6 Branch Operation Stop Operation 82 Figure 4 7 Sequence Edit View 102 Figure...

Страница 15: ...w to be Shown Before the Automatic Output On After the Power On 186 Figure 5 1 Component Name Display Areas on the Screen 198 Figure 5 2 Menu Composition 202 Figure 7 1 Remote Controller External View 217 Figure 7 2 Front Grills 219 Figure 8 1 Error Message Screen Example 222 Figure 10 1 Range of Ambient Temperature Humidity 269 Figure 10 2 DP015S DP030S DP030D Type 1 cabinet 272 Figure 10 3 DP045...

Страница 16: ...ignal Source 48 Table 3 10 The Setting Range per Output Range 50 Table 3 11 Main Measurement Functions 58 Table 3 12 The Measuring Mode for the Measured Values of the Output Voltage and Output Current 59 Table 4 1 Wattage Limiter Value per Phase Reference value Unit W 75 Table 4 2 Parameters of Sequence Function 78 Table 4 3 Example of Editing Sequence 81 Table 4 4 Simulation Function Parameters 1...

Страница 17: ...6 Menus of the Sequence Function 203 Table 5 7 Menus of the Simulation Function 204 Table 5 8 Menus of the Memory Function 204 Table 5 9 System Menus 205 Table 7 1 Rack Mount Adapter Model Names 218 Table 7 2 Replacement Air Filter Model Names 218 Table 8 1 Description of the Error Message Screen 222 Table 8 2 Error Message List 225 Table 8 3 Actions When a Failure is Suspected 229 ...

Страница 18: ......

Страница 19: ...DP Series 1 1 Outline 1 1 Overview 2 1 2 Series Line up and Polyphase System Configuration 2 1 3 Features 4 ...

Страница 20: ...f 4 1 2 Series Line up and Polyphase System Configuration In the DP series multiple models single phase model polyphase model are available with various combinations of output capacity and output phase mode The lineups of single phase model and polyphase model are listed in Table 1 1 The DP series also offers the Multi phase model which can switch the output phase mode single phase two wire single...

Страница 21: ... of phase mode setting switch DP045M DP090M Operates as DP045S Operates as DP090S 1φ2W Single phase two wire output Does not support the polyphase system connection which uses the optional System Cable 1φ3W Single phase three wire output Operates as DP030D Operates as DP060D 3φ4W Three phase four wire output Operates as DP045T Operates as DP090T Figure 1 1 Model Naming System ...

Страница 22: ...riable current limiter This function can limit the effective value and the positive negative peak value of the output current where the limiting value is variable You can set the limiter so that the output is turned off when the limited condition continues for a certain time Globally adjustable power inlet without restricted by the power supply environment The DP series supports a wide range of po...

Страница 23: ...rbitrary waveform Restriction of CO2 emission power usage and the display of CO2 emission power usage during operation The efficiency is improved by about 27 compared to the linear amplifier method by adopting the switching amplifier method When the power output is low the internal loss can be lowered by reducing the number of power units being powered on The function for calculating and displayin...

Страница 24: ...1 Outline PROGRAMMABLE AC POWER SOURCE 6 ...

Страница 25: ... Use 8 2 2 About Installation Environment 8 2 3 Cautions during Moving and Transportation 11 2 4 Grounding and Power Connections 13 2 5 Output and System Cable Connection 17 2 6 How to Tilt Control Panel 26 2 7 Simple Operation Check 27 2 8 Calibration 30 ...

Страница 26: ...ntent Quantity Main unit Main unit 1 Instruction Manual 1 CD ROM Contents Control Software for DP Series LabVIEW Driver Instruction Manual Remote Control Control Software for DP Series Instruction Manual 1 Accessories Power cable 3 m approx 1 The GPIB option is built in the main unit 2 2 About Installation Environment To use safely and maintain the reliability take the followings into consideratio...

Страница 27: ...ti phase DP090M 9 kVA 2 7 kW 2320 kcal h Install the product on a sturdy place The floor needs to have enough strength to support the weight of the product The weight of this product is shown in Table 2 3 Table 2 3 Weight Model Weight Model Weight DP015S 38 kg approx DP030D 50 kg approx DP030S 50 kg approx DP060D 82 kg approx DP045S 70 kg approx DP090D 122 kg approx DP060S 82 kg approx Single phas...

Страница 28: ...wn The product does not have a structure for supporting a heavy load Tandem arrangement The product placed behind another will be overheated by exhaust heat which reduces the product s lifetime Do not place the product on its side or back Do not stack the product on top of the other or place it in front or back of the other arrangement which makes the cabinet placed behind inhale the exhaust heat ...

Страница 29: ... This may cause failure Especially do not install the product in a place with conductive dust 2 3 Cautions during Moving and Transportation Follow the instructions below when moving or transporting this product Remove all wirings connected to this product Before removing the wiring be sure to turn off this product to cut the power from the distribution board Otherwise an electric shock might occur...

Страница 30: ... not use the casters to move this product on a sloped surface This product may move automatically due to its own weight and cause physical injury Do not use the casters to move this product on a uneven or irregular surface This product may fall down and cause physical injury WARNING ...

Страница 31: ...stribution board switch breaker is 3 m or less If the distance with the distribution board exceeds 3 m install another switch within 3 m from this product to connect Use a switch that can cut the power from both L and N excluding protective grounding Condensation may form inside the product when the ambient temperature or humidity changes suddenly for example after transportation in winter In such...

Страница 32: ...he power input cable Table 2 5 Maximum Input Power Current and Power Input Cable Maximum Input Current Supplied power input cable Rated output Maximum Input Power Power Input 90 V Power Input 170 V For both 100 V and 200 V series Power Input 90 V or More Only for 200 V Series Power Input 170 V or More 1 5 kVA 2 25 kVA 25 A 13 A AWG10 5 5 mm2 approx AWG14 2 1 mm2 approx 3 kVA 4 50 kVA 50 A 26 A AWG...

Страница 33: ... 15 1 Remove the resin molded power input terminal cover and the power input cable holder LINE L N LINE L N LINE L N LINE L N 2 Connect the power input cable to the power input terminal of this product Be sure to tighten the screws firmly L N LINE ...

Страница 34: ...input terminal cover and the power input cable holder LINE L N LINE L N 4 Ensure that the power switch of this product is turned off and then connect the power input cable to the single phase distribution board LINE OUTPUT L N Hi Lo SENSE Hi INPUT Lo Distribution board Protective grounding ...

Страница 35: ...e output terminals that can be grounded are the Lo or N terminals Do not ground the Hi L1 L2 and L3 terminals About output terminal Table 2 6 Output Terminals DP015 DP030 DP045 DP060 DP090D DP090T DP120D DP090M polyphase output DP075S DP090S DP105S DP120S DP090M single phase output Screw M6 M8 2 5 1 Single phase Model Connection procedure 1 Remove the resin molded output terminal cover and the out...

Страница 36: ...EMA 5 15 Japan North America type or CEE 7 Europe type The model name of this product is distinguished by this outlet type Figure 1 1 The output terminals the maximum voltage the maximum current and available output range are listed for each type in Table 2 7 Each outlet can provide up to 15 A of current If a current exceeding 15 A flows the circuit breaker may operate to cut the output When the c...

Страница 37: ...ange 100 V range 100 V range 200 V range Use the outlet only for AC output without DC offset Do not take DC output or AC output with DC offset from the outlet Use the outlet for 15 A or less output 2 5 2 Polyphase Model Connection procedure 1 Remove the resin molded terminal cover and the output cable holder of the output terminal OUTPUT L3 N L2 L1 OUTPUT L3 N L2 L1 OUTPUT L3 N L2 L1 OUTPUT L3 N L...

Страница 38: ...hree wire model and three phase model the N terminal can be grounded If the load has a ground terminal connect it to the ground terminal of the output terminal of this product The output terminal that can be grounded is the N terminals Do not ground any of the L1 L2 and L3 terminals Do not flow any current exceeding the maximum current per phase see 10 5 and 10 6 to the N terminal of the output te...

Страница 39: ...phase three wire output and the three phase four wire output Sensing input terminal Power input terminal Single phase output terminal Used for single phase two wire output Figure 2 2 Terminal Panel Arrangement of Multi phase Model Rear Connection procedure The connection procedure of the single phase output terminal follows the description in 2 5 1 and that of the polyphase output terminal follows...

Страница 40: ...ables The models with different model names cannot be connected Connection with polyphase model or Multi phase model is not allowed You cannot use a Multi phase model to configure a polyphase system even when it is used as a single phase output You cannot connect single phase models in parallel to boost up a single phase output Turn on all power supplies within 20 seconds The L2 and L3 cabinets in...

Страница 41: ...the System Cable to the SYSTEM I O connector of the cabinet which is to be L1 phase Also connect the L2 and L3 connectors in the same way SYSTEM I O CONTROL I O 2 Remove the resin molded output terminal cover and the output cable holder of each cabinet OUTPUT Hi Lo OUTPUT Hi Lo OUTPUT Hi Lo OUTPUT Hi Lo ...

Страница 42: ...iameter as the voltage line Alternatively connect between the Lo terminals of each cabinet by a cable which is as short as possible and has a diameter equal to or more than that of the voltage line and then connect one of the Lo terminals with the neutral point of load by a cable with same length and diameter as the voltage line b When not connecting the load with the neutral line three phase thre...

Страница 43: ...s 25 L3 L2 L1 OUTPUT Hi Lo OUTPUT Hi Lo OUTPUT Hi Lo L1 L2 L3 b 3 Load Cabinet ground terminal b Three phase three wire connection 4 Attach the resin molded output terminal cover and the output cable holder to each cabinet OUTPUT Hi Lo OUTPUT Hi Lo ...

Страница 44: ...ng pulled by a spring The hook consists of two steps which can be used to tilt the control panel and fix it in two way Operation procedure 1 Pull the lever in the back under the control panel The handle moves toward you and the lock of the control panel is released Pull the lever in the back 2 While holding the lever in pulled position tilt the control panel by desired degree 3 Release the lever s...

Страница 45: ...lts verified at the operation check please request the repair to us or our agent Operation procedure 1 Connect the power supply referring to 2 4 Grounding and Power Connections 2 Attach the resin molded output terminal cover and the output cable holder without connecting anything to the output terminals or any other terminal connector OUTPUT Hi Lo Nothing is connected to the output terminal 3 Only...

Страница 46: ... seconds and then turn off and that our logo mark appears on the LCD screen see 3 2 4 5 Except when you purchased a new product refer to 4 28 Restoring to the Factory Default Setting Reset to initialize the product to factory defaults The product will be reset and display the Continuous screen automatically 6 When you purchased a new product the product will start and then display the Continuous s...

Страница 47: ...ystem check that the icon is displayed and for the single phase three wire model or the single phase three wire system check that the icon is displayed Press the Osc soft key and select 6 Phs Mode to display the Phase Mode window and check that the mode is set to Balance balanced mode 三相モデルマルチ相モデルの三相出力三相システム単相3線モデルマルチ相モデルの単相3線出力単相3線システム Three phase model three phase output of Multi phase mode...

Страница 48: ...TPUT key to turn the output on Press the V key to open the numerical entry box for AC voltage ACV Raise the AC voltage setting value gradually by using the jog shuttle arrow keys and numeric keypad 2 8 Calibration When the product needs calibration contact us or our agent ...

Страница 49: ...DP Series 31 3 Basic Operation 3 1 Component Name 32 3 2 Power On Off 37 3 3 Basic Key Operations 41 3 4 Using the Continuous Function 47 ...

Страница 50: ...グリル 6 出力アウトレット 8 キャスタ 9 アジャスタフット 7 電源スイッチ 5 フロントグリル固定金具 3 USBメモリコネクタ 3 USB memory connector 5 Front grill holder 7 Power switch 9 Adjuster Foot 8 Caster 6 Outlet 4 Front grill 2 Remote controller connector 1 Control panel Multi phase model 10 相モード設定スイッチ 10 Phase mode setting switch Figure 3 1 Component Name Front ...

Страница 51: ...nnected 4 9 4 Front grill The fresh air inlet An air filter is attached 9 2 5 Front grill holder Clasps for fixing the front grill 9 2 6 Outlet Only for the single phase model Can provide up to 15 A of AC output per outlet 2 5 7 Power switch Turns the power on off 3 2 8 Caster Caster with the freely movable front wheels and fixed rear wheels Can be used to move this product in the horizontal locat...

Страница 52: ...nal 1 External signal input connector 6 RS232 connector 7 USB connector 8 Air outlet 11 Output terminal 12 Output cable holder 13 Sensing input terminal 2 Monitor output connector 3 SYSTEM I O connector 4 CONTROL I O connector 9 Power input terminal 14 Caster 10 Power input cable holder Multi phase model 17 センシング入力端子 16 単相出力端子 15 多相出力端子 17 Sensing input terminal 16 Single phase output terminal 15 ...

Страница 53: ...nication interface 6 1 1 8 Air outlet Air outlet for exhausting the heat 2 2 9 Power input terminal Power input terminal 2 4 10 Power input cable holder Used to fix the power input cable 2 4 11 Output terminal Output terminal 2 5 12 Output cable holder Used to fix the output cable 2 5 13 Sensing input terminal Single phase model Polyphase model Connect to the load end that is located in the distan...

Страница 54: ...Number Name Description Refer to 1 LIMIT LED Illuminates when the peak current limiter RMS current limiter or active wattage limiter activates 4 1 2 ERROR LED Illuminates when an error is detected 8 1 3 OUTPUT LED Illuminates in the output on state 3 4 8 4 OUTPUT key Turns the output on or off 3 4 8 5 RANGE key Switches between the 100 V and 200 V ranges 3 4 2 6 MENU key Displays the root menu 3 3...

Страница 55: ...The numerical entry box is closed when the value was incremented or decremented using the jog shuttle or arrow key 3 3 3 2 Power On Off 3 2 1 Before Turning on the Power This product can output AC 310 V DC 440 V at a maximum for a single phase output in a single phase model or Multi phase model In a single phase three wire model a single phase three wire output in a Multi phase model or in a singl...

Страница 56: ...er is on when you switch the phase mode setting switch the output phase mode will not be switched Also this operation does not affect the behaviors of the product If you move the phase mode setting switch by mistake in the power on state be sure to move it back to the original position Otherwise the product starts up in unexpected output phase mode when at power on next time 3 2 3 Power On POWER O...

Страница 57: ...t power on the Continuous function screen Sequence function screen or Simulation function screen is displayed For detailed information about the output function selection at power on setting see 4 2 10 and 4 3 10 4 If the output function selection is set to the Continuous function and the output on at power on setting is on the output is turned on after the confirmation message to inform that the ...

Страница 58: ...5 定格電力アイコン Rated power icon Figure 3 5 The Rated Power Icon Table 3 4 How the Rated Power Icon is Displayed Depending on the Power Unit Energization Setting Normal icon Example All power unit energization settings are enabled The rated power is set to the maximum value that the model system and the power supply voltage can provide Highlighted icon Example Because some power unit energization sett...

Страница 59: ...n state However you can move to the Memory function screen or System function screen Figure 3 6 The Root Menu 3 3 2 Item Selection You can move the cursor highlighted icon by using arrow keys or the jog However some items cannot be selected depending on your model or system These items are skipped when moving the cursor If you press the ENTER key the item under the cursor is selected and run If th...

Страница 60: ...box hover the cursor over the box by using the arrow keys or jog and press the ENTER key This operation enables the cursor to move over each data in the data list box Hover the cursor over the item you want to select by pressing the up or down arrow key or turning the jog or shuttle and press the ENTER key Figure 3 8 The Example of a Data List Box 3 3 3 Using Soft keys When the soft key function i...

Страница 61: ...Figure 3 10 The Example of the Window with the Close Button Window with the OK Cancel button Following three methods are available to close the window with the OK Cancel button shown in Figure 3 11 Move the cursor to the OK button or Cancel button in the window by using the arrow keys or the jog and press the ENTER key Press the CANCEL key To do so perform the same operation as you did to select t...

Страница 62: ...ed to set values hover the cursor over a value which will be highlighted and enter a new value by using the numeric keypad A numerical entry box opens as you start entering a value and the entered value is displayed Press the ENTER key to confirm the value The previous values for the voltage or frequency output are held until you press the ENTER key If you press the CANCEL key the settings are not...

Страница 63: ...sor position use the right or left arrow key When you press the ENTER key the edited string is confirmed and the character string entry box is closed Figure 3 13 Character String Entry Box Table 3 5 Character String Entry List Turning the jog in the counterclockwise direction Pressing the down arrow key Turning the jog in the clockwise direction Pressing the up arrow key ABCDEFGHIJKLMNOPQRSTUVWXYZ...

Страница 64: ... in the following order L1 L2 L3 unbalanced mode All Phase and All Line balanced mode 3 4 5 4 15 M L1 L2 L3 Switches the target phase of which the measured value is displayed in the following order L1 L2 L3 L1 L2 L2 L3 L3 L1 3 4 13 RMS AVG PK Switches the display format of the measured value in the following order RMS AVG PK 3 4 10 KEY LOCK Enables Disables the key lock 4 25 AGC Acal Opens the AGC...

Страница 65: ...nal source and the amplification section and both of the AC component and the DC component are output DC Only the DC voltage can be set the AC voltage is fixed to zero The DC coupling is used between the signal source and the amplification section Table 3 8 The Description of the Signal Source Signal source Description INT The signal source is internal Set the output voltage output waveform freque...

Страница 66: ...VCA AC SYNC AC EXT AC ADD ACDC ACDC INT ACDC SYNC ACDC EXT ACDC ADD 1P2W DC DC INT DC VCA AC AC INT AC VCA AC SYNC ACDC 1 ACDC INT ACDC SYNC 1P3W DC AC AC INT AC VCA AC SYNC ACDC 1 ACDC INT ACDC SYNC 3P4W DC 1 The DC voltage cannot be set in 1P3W or 3P4W of the ACDC mode Operation procedures using soft keys 1 Press the Osc soft key and select 1 AC DC 2 In the displayed selection box select the des...

Страница 67: ...rce Operation procedures by using shortcuts 1 Switching the AC DC mode Press the SHIFT key to enter the shift state the SHIFT LED illuminates When you press the 7 key of the numeric keypad during the shift state the AC DC mode is switched in the following order AC ACDC DC AC Some modes may be skipped and cannot be selected depending on the signal source ...

Страница 68: ...or 200 V range Table 3 10 shows the setting range for each range Notes You cannot switch the output range in the output on state Table 3 10 The Setting Range per Output Range Setting Range Setting Item 100 V range 200 V range Unit DC voltage 220 0 to 220 0 440 0 to 440 0 V SIN CLP 0 0 to 155 0 0 0 to 310 0 Vrms Phase Voltage ARB 0 0 to 440 0 0 0 to 880 0 Vp p 1P3W SIN 0 0 to 310 0 0 0 to 620 0 Vrm...

Страница 69: ...ration procedures using the RANGE key The range is toggled between 100 V range and 200 V range every time you press the RANGE key 3 4 3 Setting Waveforms You can select a waveform of the internal signal source from sine wave SIN clipped sine wave CLP three types available and arbitrary waveform ARB 16 types available See 4 6 for details on the clipped sine wave and 4 7 on the arbitrary waveform ...

Страница 70: ...etting ACV is also switched as described above if you switch the waveform selection between SIN CLP and ARB Set ACVs for SIN CLP and ARB in the output off state before you change the waveform in the output on state Operation procedure 1 Select the Wave item 2 In the displayed selection box select the desired waveform SIN CLP ARB 3 If you select CLP or ARB the Select icon is displayed next to it Wh...

Страница 71: ...put voltage in the ACV item For the DC component set it inthe DCV item Notes The output voltage setting is common between SIN and CLP but ARB is independent of these When you switch the waveform setting among SIN CLP and ARB the output voltage setting is also switched In the ACDC mode the voltage setting range limit is applied to the additional values of the AC voltage setting recalculated to a pe...

Страница 72: ...a polyphase model and a polyphase system In the balanced mode the phase voltage and the line voltage are set for all phases at once To enter the balanced mode select the Osc soft key 6 Phase Mode to open the phase mode set window and select 1 Balance in the Mode item For details on the unbalanced mode see 4 15 Operation procedures for setting the phase voltage 1 Check the icon in the output displa...

Страница 73: ...ne voltage 1 Press the Osc soft key and select 5 Target Phs 5 All Line Or perform the Shortcut operation to switch to All Line Check that the icon in the output display area see 5 1 is single phase three wire model or single phase three wire system three phase model or three phase system 2 Select the ACV item and then enter a numeric value For how to enter values see 3 3 5 ...

Страница 74: ...er a value 3 4 7 Setting the Output On Off Phase Set the phases when the output turns on off After the output on operation the voltage output is started from the output on phase After the output off operation the voltage output is completed when it reaches the output off phase The output off phase can be disabled If disabled the output is turned off immediately after the operation of output off Op...

Страница 75: ...f phase select Disable 3 Close the window For how to close the window see 3 3 4 Notes The output on off phase setting is invalid for the Sequence and the Simulation 3 4 8 Turning the Output On or Off Use the OUTPUT key to turn the output on or off The OUTPUT LED illuminates in the output on state Notes For how to turn the output on or off rapidly see 4 21 ...

Страница 76: ...Output current maximum peak value The maximum peak value of the output current When the line voltage display is L1 L2 L2 L3 L3 L1 the phase current of the L1 L2 L3 phase is displayed respectively Apk Imin The minimum peak value of the output current The minimum peak value of the output current When the line voltage display is L1 L2 L2 L3 L3 L1 the phase current of the L1 L2 L3 phase is displayed r...

Страница 77: ...zation frequency The measured frequency value of the synchronization signal source when the signal source is SYNC Hz 3 4 10 Switching the Display Format RMS AVG Peak of the Measured Value You can switch the display format of the measured value RMS AVG Peak for the output voltage and output current The items which are displayed in each measuring mode are shown in Table 3 12 Table 3 12 The Measuring...

Страница 78: ...4 Operation procedures by using shortcuts 1 Switching the display format of the measured values Press the SHIFT key to enter the shift state the SHIFT LED illuminates When you press the 3 key of the numeric keypad during the shift state the measuring mode is switched in the following order RMS AVG Peak RMS Some measuring modes may be skipped and cannot be selected depending on the AC DC mode ...

Страница 79: ...f the measured value display mode is changed to RMS AVG from Peak the effective average values are displayed instead of the maximum and minimum peak values If the AC DC mode and the signal source are changed in the Simple View mode the measured voltage values are forced to be displayed instead of the items that are not displayed in the mode after the change such as the power factor or crest factor...

Страница 80: ...splayed in the Simple View mode procedure 1 1 In the Simple View mode press the Measure soft key and select 5 Disp Item The setting window for display items opens 2 In the Item1 to Item3 items select measured values to be displayed 3 Close the window For how to close the window see 3 3 4 ...

Страница 81: ...12 Clearing the Output Current Peak hold Value The output current peak hold value is the maximum absolute value of the measured output current peak value which is then updated appending signs and held This held value can be cleared After the held value is cleared it is updated with the value measured after that The held value is cleared when the power is turned off Operation procedures using soft ...

Страница 82: ...key 3 Close the window For how to close the window see 3 3 4 Operation procedures by using shortcuts 1 Clearing the current peak hold value Press the SHIFT key to enter the shift state the SHIFT LED illuminates When you press the key in the numeric keypad in the shift state the output current peak hold value is cleared ...

Страница 83: ...vely The line voltage display RMS display is not the line voltage value that is measured directly This is the value that is calculated based on the phase setting value and the measured phase voltage value In the line voltage display the measured output current value indicates the phase current If L1 L2 L2 L3 or L3 L1 is selected measured values of the phase current for L1 L2 L3 is displayed In the...

Страница 84: ...e window see 3 3 4 Operation procedures by using shortcuts 1 Switches the target phase of which the measured value is displayed Press the SHIFT key to enter the shift state the SHIFT LED illuminates When you press the 2 key in the numeric keypad in the shift state the phase is switched in the order of L1 L2 L1 L2 L1 in the single phase three wire In the three phase it is switched in the order of L...

Страница 85: ...Offset 167 4 15 Using for Unbalanced Polyphase Output 169 4 16 Using as DC Power Supply 171 4 17 Setting Voltage using External DC Input Signal 172 4 18 Control Using External Control Function 176 4 19 Synchronizing the Output Frequency with the Power Line or the External Signal 181 4 20 Amplifying the External Signal Input Optional 183 4 21 Turning the Output On or Off Rapidly 184 4 22 Enabling A...

Страница 86: ...ing value both for negative and positive values When the number of power units that are energized is increased or decreased based on the power unit energization setting the setting values of the peak current limiter are reset to the factory default setting corresponding to the ratings output power e g reset to the factory default setting of 4 5 kVA model when only three units of 6 kVA model are in...

Страница 87: ...s 69 2 In the Iop Iop item set the peak current limiter value of positive negative 3 Set the Output OFF item as Enable or Disable When setting to Enable also set the time from the start of limiter operation to the output off 4 Close the window ...

Страница 88: ...rent limiter needs to calculate effective value Use the peak current limiter to limit the current quickly For peak current limiter see 4 1 1 RMS current limiter may not be able to limit output current sufficiently if the load impedance is very small e g output short circuit Also RMS current protection may work in this case and then output is turned off When the number of units is increased or decr...

Страница 89: ...ing value is restricted to the limiting value This can prevent mis setting when you do not want to set values outside the range As for the voltage setting range limiting values each value is kept independently for the following settings for 100 V and 200 V ranges respectively SIN CLP waveform in AC mode ARB waveform in AC mode ACDC mode and DC mode In case of polyphase output the setting of the vo...

Страница 90: ...essive output when a setting value is rapidly increased or decreased by using the shuttle The limitation is applied to the additional values of the AC voltage setting recalculated to a peak value and the DC voltage setting The voltage setting range limit cannot be applied to the external signal source of EXT and ADD The Sequence and the Simulation function do not include the voltage setting range ...

Страница 91: ...ou can limit the range of the frequency setting value for the internal signal source by using the frequency setting range limit Even if trying to set a frequency that exceeds the limit the setting value is restricted to the limiting value This can prevent mis setting when you do not want to set values outside the range The frequency setting range limiting value is common to both 100 V and 200 V ra...

Страница 92: ...at the upper value of the frequency setting range limit is higher than or equal to the lower limit 3 Close the window 4 1 5 About Wattage Limiter The wattage limiter operates when trying to output the power exceeding the rated power When the wattage limiter operates the output voltage is suppressed until the active power per phase is the value in Table 4 1 reference value While the limiter is work...

Страница 93: ...e of the wattage limiter cannot be changed To limit the output power to a value that is lower than the rating decrease the number of power units that are energized through the power unit energization setting or use the peak current limiter or the RMS current limiter When the power input voltage is 170 V or less the maximum output active power of a model with the rated power of 6 kVA or higher is l...

Страница 94: ...wo or more steps This defines duration of each step and the next step to transition Settings of step synchronous code and trigger output are included in step control parameter for convenience Intra Step parameter Parameter to define output state in each step This defines basic parameters such as a waveform frequency and how they are changed in the step ステップ番号ステップ制御パラメタステップ内パラメタアイコン Icon Step nu...

Страница 95: ...vious step ステップ動作種 Step Behavior Previous step Next step Previous step Next step Previous step Next step Used as the setting value in the next step Keeps the final value of the previous step Changes from the final value of the previous step to the setting value of the next step Const Keep Sweep Setting value Setting value Figure 4 2 Step Behavior Notes The Step Behavior for the waveform and phase ...

Страница 96: ...nation Synchronous step output 2bit Trigger output Frequency Waveform Phase angle AC phase voltage DC voltage Frequency Freq waveform Wave phase angle Phase AC phase voltage ACV DC voltage DCV The setting for the output of each step In polyphase model polyphase system AC phase voltage and phase angle can be set for each phase In the phase angle set the phase difference with the L1 phase Phase angl...

Страница 97: ...tep No 0 and enter into the stand by state When Hold is selected the output at the end of the step is suspended and the execution transitions to the step of the next number when Resume instruction is detected Notes When Step Term is set to Hold the execution enters into hold state before jump Jumps when Resume instruction is detected When Step Term is set to Hold after the jumps repeated for the s...

Страница 98: ...s to the next step As the result the actual step time is longer by one cycle at a maximum than the set Step Time Figure 4 3 shows an example where both the Stop Phase of the previous step and the Start Phase of the next step are set to 0 Next step Previous step Step Time finished Waiting for stop phase Figure 4 3 Stop Phase Notes When the Step Behavior is set to Sweep output is constant while wait...

Страница 99: ... Step Term Continue Continue Hold DC Voltage DCV 0 V 100 V Optional 50 V Intra Step Parameter Step Behavior Sweep Sweep Keep Const Notes Step Time and the Step Behavior of step No 0 specifies the action after the transition to step No 0 at the end of a sequence Jump to of step No 0 cannot be specified The execution always transitions to step No 1 when the sequence starts In the case that the step ...

Страница 100: ...e next number When step termination setting is Hold output state is kept until Resume operation is executed If stop phase setting is on the output state is kept until the step reaches the specified Stop Phase If Jump to setting is on transitions to the specified step for the specified times Transitions to the step of the next number or step No 0 based on the step termination setting Transitions to...

Страница 101: ...e save them in the Sequence Memory see 4 2 8 When the sequence is loaded from Sequence Memory the sequence being edited at that time is discarded Transit to Sequence Edit View Press the MENU key to open the root menu then select Sequence see 3 3 1 While the Sequence Control View is displayed if you push Edit soft key that is displayed in the output off state the execution transitions to the Sequen...

Страница 102: ...eter of each step You can move between each step by changing Step No ステップ番号 Step number 3 You can select s or ms as the unit of Step Time by selecting Misc soft key 1 TimeUnit 4 You can set polarity of trigger output and pulse width by selecting Misc soft key 2 Trig Out ...

Страница 103: ...ce is loaded the sequence being edited at that time is discarded In Sequence Control View a sequence cannot be loaded Load the sequence stored in the internal memory 1 In Sequence Edit View select File soft key 2 Recall Sequence Recall View is opened 2 In the From item select 1 System ...

Страница 104: ...WER SOURCE 86 3 Specify the memory number of the sequence to be loaded in Memory No item and then push Recall soft key 4 The confirmation window for loading the sequence opens Select OK The sequence with the specified memory number is loaded ...

Страница 105: ...the sequence stored in the USB memory For how to connect USB memory to this product and how to disconnect from this product see 4 9 1 In Sequence Edit View select File soft key 2 Recall Sequence Recall View is opened 2 In the From item select 2 USB ...

Страница 106: ...ecall soft key 5 The confirmation window for loading the sequence opens Select OK The specified sequence data is loaded Notes The number of sequence data files saved in a USB memory should be 500 or less If the number of files exceeds this limit the product cannot recognize the sequence data files in the USB memory ...

Страница 107: ... Control View Notes If an improper setting is detected during compilation an error message is displayed and the screen does not transition to the Sequence Control View Start Terminate a sequence 1 When an output is turned on in the Sequence Control View a sequence can be executed At this point the output is in the state set in the step No 0 icon is displayed 出力オフ状態のシーケンス制御画面です出力をオンにするとソフト...

Страница 108: ...ansitions to the output state that is set in the step No 0 and then sequence is terminated The output remains on Notes In the output off state the sequence cannot be started Output on off setting is not active in sequence Return to Sequence Edit View When pushing Edit soft key that is displayed in output off state the screen returns to the Sequence Edit View Notes You cannot to return to Sequence ...

Страница 109: ...ng Hold soft key while a sequence is executed the sequence is suspended The output state is kept while suspended Icon is displayed 2 To restart the sequence push Resume soft key If you push Stop soft key the execution transitions to step No 0 and the sequence is terminated ...

Страница 110: ...ranch step 1 or 2 that is set in the step being executed 4 2 8 Save a Sequence Notes In Sequence Control View a sequence cannot be saved All sequence data that are edited in each mode of AC DC mode are saved as one memory number file by one save operation Save a sequence to internal memory 1 In Sequence Edit View select File soft key 1 Store Sequence Store View is opened ...

Страница 111: ...3 2 In the To item select 1 System 3 Specify the memory number of location to save in Memory No item and then push Store soft key 4 A window to confirm the save name opens Enter the name and then select OK For how to enter a string see 3 3 6 ...

Страница 112: ...OURCE 94 Save a sequence to USB memory For how to connect USB memory to this product and how to disconnect from this product see 4 9 1 In Sequence Edit View select File soft key 1 Store Sequence Store View is opened 2 In the To item select 2 USB ...

Страница 113: ...n in data list box and push Store soft key 4 A window to confirm the store name opens Enter the name and then select OK For how to enter a string see 3 3 6 Notes The number of sequence data files saved in a USB memory should be 500 or less If the number of files exceeds this limit the product cannot recognize the sequence data files in the USB memory ...

Страница 114: ...ROGRAMMABLE AC POWER SOURCE 96 4 2 9 Clear Rename Sequence Clear Rename a sequence saved in internal memory 1 In Sequence Edit View select File soft key 1 Store Sequence Store View is opened 2 In the To item select 1 System ...

Страница 115: ...Series 97 3 Specify the number of memory to be operated in Memory No item 4 To clear push Clear soft key Confirmation message is displayed Select OK In the cleared number of the memory the sequence data at factory shipment is stored ...

Страница 116: ... opens Enter a new name and then select OK For how to enter a string see 3 3 6 Delete Rename a sequence saved in USB memory For how to connect USB memory to this product and how to disconnect from this product see 4 9 1 In Sequence Edit View select File soft key 1 Store Sequence Store View is opened ...

Страница 117: ...ies 99 2 In the To item select 2 USB 3 Select the data that is the target of the operation in the data list box 4 To clear push Delete soft key Confirmation message is displayed Select OK The corresponding file in USB memory is deleted ...

Страница 118: ...er a new name and then select OK For how to enter a string see 3 3 6 4 2 10 Set so as the Sequence Function is Selected at Power on You can set so as the Sequence function is selected at power on Operation procedure 1 Press the MENU key to move to the root menu then select System The system setting window opens ...

Страница 119: ...s see 4 18 4 2 12 Screen Overview The Sequence function view is broadly separated into the Sequence Edit View and the Sequence Control View It is Sequence Edit View that is displayed when sequence icon is selected from the root menu After pushing Compile soft key in Sequence Edit View the screen transitions to the Sequence Control View Notes You cannot transition to root menu by pushing the MENU k...

Страница 120: ...ol View output off state sequence stopped 計測値表示アイコンステップNo 0の出力設定 Measured Value to be displayed Output setting of step No 0 Icon Figure 4 8 Sequence Control View Output Off State Sequence Control View output on state sequence in execution アイコン一時停止中はHOLD 計測値表示実行中ステップの出力設定 Measured Value to be displayed Output setting of executing step Icon HOLD while suspended Figure 4 9 Sequence Control View O...

Страница 121: ...the AC DC mode and a signal source independently from continuous output function Sequence function The setting is fixed to ACDC INT Keep simulation setting file The simulation setting is cleared when the power is turned off To save the setting you need to save it in internal memory or USB memory see 4 9 Step The output by the Simulation function consists of six types of steps Initial Normal 1 Tran...

Страница 122: ...or the simulation When the repeat is set to on and the repeat count to zero 0 the testing repeats infinitely Notes The Simulation function does not support the standard tests defined by organizations such as IEC Use this function for a preliminary testing 4 3 2 Simulation Function Parameters Table 4 4 shows the parameters of Simulation function The common parameters are common to one simulation In...

Страница 123: ...arameter cannot be set Start phase Start Phs ON or OFF can be selected for the start phase When ON is selected the step starts at the specified start phase When OFF is selected the step starts at the phase in which the previous step ended When selecting ON a numerical entry box in which you can specify the start phase opens The start phase can be set at the Normal 1 Normal 2 and Abnormal steps For...

Страница 124: ...a series from the Normal 1 step to the Normal 2 step Specify the ON or OFF of repeat and the repeat count When Repeat is set to ON the simulation repeats for the specified count The simulation in a series is repeated for the repeat count 1 Setting the repeat count to zero 0 means an infinite count When Repeat is set to OFF the DP Series executes the simulation only once and finishes it without per...

Страница 125: ...n linearly recovers in 0 5 seconds during one cycle as shown in Figure 4 13 For this case set so that the total of Normal 1 and Normal 2 Step Times becomes 10 seconds and set the repeat count to 3 Set the Trans 1 Step Time to zero Table 4 7 正常時 100 V 低下時 70 V 周波数 50 Hz 電圧上昇時 5秒 0 02秒 0 5秒 5秒 3回繰り返し At drop Frequency 50Hz Repeat 3 times 5 sec 5 sec 0 5 sec At normal At voltage rise 0 02 sec Figure...

Страница 126: ...p phase setting is on the output state is kept until the step reaches the specified Stop Phase Figure 4 14 Process Flow through Simulation Steps 電源変動試験終了操作が行われたら初期ステップへ移行します初期ステップへ移行電源変動試験終了 If the Start Phase is set to ON the output starts with the set start phase Transitions to the Initial Step End of simulation Figure 4 15 Stop Operation 4 3 5 Editing Simulation Notes When the power is turn...

Страница 127: ...u push Edit soft key that is displayed in the output off state the execution transitions to the Simulation Edit View シミュレーションアイコン Simulation icon Creating editing a simulation 1 In the Simulation Edit View press the Osc soft key and then select 100 V or 200 V range To create a new simulation from an existing one load the existing one see 4 3 6 2 Set the parameter of each step You can move between...

Страница 128: ...ect s or ms as the unit of Step Time by selecting Misc soft key 1 TimeUnit 4 You can set polarity of trigger output and pulse width by selecting Misc soft key 2 Trig Out 5 Press the Clear soft key to clear all the steps you are editing and return to the factory default ...

Страница 129: ...When a simulation is loaded the simulation you are editing is discarded Simulation cannot be loaded in the Simulation Control View Load the simulation stored in the internal memory 1 In Simulation Edit View select File soft key 2 Recall The Simulation Recall View opens 2 In the From item select 1 System ...

Страница 130: ...n Memory No item and then push Recall soft key 4 The confirmation window for loading the simulation opens Select OK The simulation with the specified memory number is loaded Load the simulation stored in the USB memory For how to connect USB memory to this product and how to disconnect from this product see 4 9 ...

Страница 131: ...uation Testing Simulation Function DP Series 113 1 In Simulation Edit View select File soft key 2 Recall The Simulation Recall View opens 2 In the From item select 2 USB 3 In the data list box select the simulation to load ...

Страница 132: ... should be 500 or less If the number of files exceeds this limit the product cannot recognize the simulation data files in the USB memory 4 3 7 Executing Simulation The edited simulation can be executed after converted to executable program by compile operation Transition to Simulation Edit View When pushing Compile soft key in the Simulation Edit View the edited power fluctuation is compiled and ...

Страница 133: ...d on in the Simulation Control View a simulation can be executed At this point the output is in the state set in the Initial Step icon is displayed 出力オフ状態のシミュレーション制御画面です出力をオンにするとソフトキー Start が表示され電源変動試験の開始操作を行うことができます Simulation Control View under output off state When the output is turned on Start soft key is displayed and the simulation start operation can be executed 2 Press the Start so...

Страница 134: ...d then simulation is terminated Notes In the output off state the simulation cannot be started The output on off phase setting is invalid for the Simulation Returning to Simulation Edit View When pushing Edit soft key that is displayed in output off state the screen returns to the Simulation Edit View 4 3 8 Saving Simulation Notes Simulation cannot be saved in the Simulation Control View ...

Страница 135: ...ing the simulation in the internal memory 1 In the Simulation Edit View press the select the File soft key 1 Store The Simulation Store View opens 2 In the To item select 1 System 3 Specify the memory number of location to save in Memory No item and then push Store soft key ...

Страница 136: ... the name and then select OK For how to enter a string see 3 3 6 Saving the simulation in the USB memory For how to connect USB memory to this product and how to disconnect from this product see 4 9 1 In the Simulation Edit View press the select the File soft key 1 Store The Simulation Store View opens ...

Страница 137: ... item select 2 USB 3 Push New soft key to save for the first time To overwrite the existing data select the data to be overwritten in data list box and push Store soft key 4 A window to confirm the save name opens Enter the name and then select OK For how to enter a string see 3 3 6 ...

Страница 138: ...s If the number of files exceeds this limit the product cannot recognize the simulation data files in the USB memory 4 3 9 Clear Rename Simulation Clearing renaming a simulation saved in internal memory 1 In the Simulation Edit View press the select the File soft key 1 Store The Simulation Store View opens 2 In the To item select 1 System ...

Страница 139: ...on Function DP Series 121 3 Set the number of memory to be operated in Memory No item 4 To clear push Clear soft key Confirmation message is displayed Select OK In the cleared number of the memory the simulation data at factory shipment is stored ...

Страница 140: ...a new name and then select OK For how to enter a string see 3 3 6 Erasing renaming a simulation saved in USB memory For how to connect USB memory to this product and how to disconnect from this product see 4 9 1 In the Simulation Edit View press the select the File soft key 1 Store The Simulation Store View opens ...

Страница 141: ...unction DP Series 123 2 In the To item select 2 USB 3 Select the data that is the target of the operation in the data list box 4 To clear push Delete soft key Confirmation message is displayed Select OK The corresponding file in USB memory is deleted ...

Страница 142: ... a new name and then select OK For how to enter a string see 3 3 6 4 3 10 Set so as the Simulation Function is Selected at Power on You can set so as the Simulation function is selected at power on Operation procedure 1 Press the MENU key to move to the root menu then select System The system setting window opens ...

Страница 143: ... 18 4 3 12 Screen Overview The Simulation function screen is broadly divided to the Simulation Edit View and the Simulation Control View The Simulation Edit View opens when you select the power fluctuation testing Simulation icon from the root menu After pushing Compile soft key in Simulation Edit View the screen transitions to the Simulation Control View Notes You cannot transition to root menu b...

Страница 144: ...it View Simulation Control View output off state simulation stopped Measured Value to be displayed Icon Output setting of Initial Step Figure 4 17 Simulation Control View Output Off State Simulation Stopped Simulation Control View output on state simulation running アイコン計測値表示実行中のステップの Measured Value to be displayed Icon Output setting of executing step Figure 4 18 Simulation Control View Output O...

Страница 145: ...e power input section uses a capacitor input type rectifier circuit the input current typically distorts as shown in Figure 4 20 A waveform distorted like this contains many harmonic components If a current with many harmonic components is supplied to the power line in high volume the line voltage is distorted causing problems such as malfunction of devices and overheated transformer which may res...

Страница 146: ...are displayed as the RMS and a percentage to fundamental wave component Notes The Harmonic current measurement function does not support the standard tests defined by organizations such as IEC Use this function for a preliminary testing 4 4 3 Measured Value Display Method Operation procedure 1 In the Continuous function select the Measure soft key 4 Harmonic 2 The view opens populated with the mea...

Страница 147: ...uit for power input an excessive current in comparison to the Normal state may flow for a short period of time immediately after the start of power supply This current is called inrush current If such a big current flows to the power line the supply voltage may drop due to the impedance of the power line Therefore the inrush current is restricted below a certain level in some standards Figure 4 21...

Страница 148: ...tive peak value whichever is larger in absolute value Current peak hold value is displayed in all of the Average RMS and Peak measurement views in the Normal View Clearing function for the current peak hold value is provided The clear operation clears the current peak hold value all phases to 0 Apk Notes The peak hold value starts to update again immediately after the clear operation The clear ope...

Страница 149: ...ed for a very small load impedance such as when there is a short at the output terminal 4 6 Using Clipped Sine Wave Clipped sine wave is the waveform that has its sine wave peak clipped as shown in Figure 4 22 This product can select the clipped sine wave as the output waveform もとの正弦波クリップ正弦波 Original sine wave Clipped sine wave Figure 4 22 Clipped Sine Wave The depth of clip is set using the cre...

Страница 150: ...e RMS of the clipped waveform Clip ratio Sets the RMS of the sine wave before clipping Notes When the clipped sine wave is output in the AC mode the clip of the output waveform may be tilted by the DC component remove function in the AC mode To avoid this switch to the ACDC mode Operation procedure 1 In the Wave item select CLP 2 Move the cursor to Select then select it The clipped sine wave setti...

Страница 151: ...Clipped Sine Wave DP Series 133 3 In the No item select the clipped sine wave to load 4 In the Type item select 1 Clip clip ratio or 2 CF crest factor 5 In the CF or Clip item enter the crest factor or clip ratio ...

Страница 152: ...wave memory cannot be cleared to the factory defaults Manually set to the factory default settings of Clip 100 CF 1 41 Type Clip then save them 4 7 Outputting Arbitrary Waveform 4 7 1 Basics Arbitrary waveform can be selected as the output waveform with this product Using the control software Wave Designer in the attached CD ROM you can create edit and transfer arbitrary waveforms to this product ...

Страница 153: ... software Transfer procedure using USB memory 1 Save the waveform data file extension ARB created with Wave Designer the control software in the attached CD ROM to the NF_TOOL NF_DP ARB_DATA folder of the USB memory Notes This product does not support the double byte characters e g kanji hiragana The file name should consist of one byte alphanumeric characters When the NF_TOOL NF_DP ARB_DATA folde...

Страница 154: ... PROGRAMMABLE AC POWER SOURCE 136 4 In the Direction item select 2 USB SYS 5 In the Memory No item specify the transfer destination internal memory number 6 From the data list box select the arbitrary waveform to transfer ...

Страница 155: ... 7 Push the Copy soft key The Copy window opens 8 In the Name item enter the arbitrary waveform data name Or leave it as populated which is same as the file name in the USB memory 9 Move the cursor to OK then press the ENTER key The window is closed ...

Страница 156: ...CE 138 4 7 5 Outputting Arbitrary Waveform Operation Method 1 In the Wave item select ARB 2 Move the cursor to Select then select it The setting window for the arbitrary waveform opens 3 From the data list box select the arbitrary waveform to output ...

Страница 157: ...cale amplitude of the arbitrary waveform data When the arbitrary waveform data amplitude is not at full scale the output voltage amplitude becomes smaller than the ACV setting 4 8 Using Memory Function Using the Memory function you can access this product s internal memory and USB memory to save load clear and rename the basic setting arbitrary waveform sequence and simulation Opening the Memory V...

Страница 158: ...f this product User can save the settings to the memories from No 1 to No 30 Clearing a Basic Setting Memory resets it to the factory defaults same as the one of No 0 Clearing a Basic Setting Memory in the USB memory deletes the applicable file in the USB memory For the set content saved in the Basic Setting Memory and factory defaults see 10 24 Notes The Basic Setting Memory content cannot be cop...

Страница 159: ...MORY key on the Continuous function screen or select Memory from the root menu to move to the Memory View 2 Select Setting Store 3 For the To item select the destination 1 System internal memory or 2 USB USB memory 4 Specify the destination a For the internal memory specify the destination memory number in the Memory No item then press the Store soft key ...

Страница 160: ...me To overwrite the existing data select the data to be overwritten in data list box and push Store soft key Internal memory USB memory 5 A window to confirm the save name opens Enter the name and then select OK For how to enter a string see 3 3 6 Loading from a Basic Setting Memory 1 In the Memory View select Setting Recall ...

Страница 161: ...B memory 3 Specify the data to load a For the internal memory specify the memory number in the Memory No item then press the Recall soft key b For the USB memory in the data list box select the data to load then press the Recall soft key Internal memory USB memory 4 In the confirmation window that opens select OK ...

Страница 162: ...e Memory View select Setting Store 2 In the To item select the object to operate 1 System internal memory or 2 USB USB memory 3 Specify the data to operate a For the internal memory specify the memory number in the Memory No item b For the USB memory in the data list box select the data Internal memory USB memory ...

Страница 163: ...elect OK Clearing the internal memory resets the data to the factory default same as the one of the internal memory No 0 Erasing the basic setting data in the USB memory deletes the applicable file 5 To rename push Rename soft key Rename window opens Enter a new name and then select OK For how to enter a string see 3 3 6 ...

Страница 164: ...R SOURCE 146 Loading the factory defaults 1 In the Memory View select Setting Recall 2 In the From item select System 3 Push the Factory soft key In the confirmation window that opens select OK The factory default basic setting data are loaded ...

Страница 165: ...from No 1 to No 8 are for triangle wave and from No 9 to No 16 for square wave Clearing an Arbitrary Waveform Memory resets its data to the factory default Inside the USB memory the NF_TOOL NF_DP ARB_DATA folder is the Arbitrary Waveform Memory Notes Inside the USB memory the location that stores the arbitrary waveform data is the NF_TOOL NF_DP ARB_DATA folder The number of arbitrary waveform data...

Страница 166: ...OURCE 148 2 In the Direction item select SYS USB 3 From the data list box select the arbitrary waveform to copy 4 Push the Copy soft key A window to confirm the save name opens Enter the name Select OK to copy For how to enter a string see 3 3 6 ...

Страница 167: ..._DATA folder is overwritten No overwrite confirmation message is displayed Clearing erasing or renaming an Arbitrary Waveform Memory 1 In the Memory View select ARB Copy 2 In the Direction item select the object to operate SYS USB Selects the internal memory as the target of the operation USB SYS Selects the USB memory as the target of the operation ...

Страница 168: ...ge is displayed Select OK Clearing the internal Arbitrary Waveform Memory resets the data to triangle wave for memories from No 1 to No 8 and to square wave for memories from No 9 to No 16 Erasing an Arbitrary Waveform Memory in the USB memory deletes the applicable arbitrary waveform data file 5 To rename push Rename soft key Rename window opens Enter a new name and then select OK For how to ente...

Страница 169: ...e are performed using the sequence menu see 4 2 or the control software in the attached CD ROM For the content saved in the Sequence Memory see Table 4 9 The internal memory has 5 Sequence Memories from No 1 to No 5 Table 4 9 Content Saved in Sequence Memory Setting Item Factory default setting Output range selection 100V Output mode selection AC INT Parameters of Sequence Function Refer to 4 28 S...

Страница 170: ...and saving of a simulation are performed using the simulation menu see 4 3 or the control software in the attached CD ROM For the content saved in the Simulation Memory see Table 4 10 The internal memory has 5 Simulation Memories from No 1 to No 5 Table 4 10 Content Saved in Simulation Memory Setting Item Factory default setting Output range selection 100V Simulation Function Parameters Refer to 4...

Страница 171: ... USB memory should have folders as shown in Figure 4 23 Otherwise these folders are created automatically when the USB memory is connected to this product To remove the USB memory connected to this product the eject operation is necessary as explained in this section 任意波形データ基本設定メモリデータシーケンスデータシミュレーションデータシステムファイル Arbitrary waveform data Basic Setting Memory data Sequence data Simulation data Sys...

Страница 172: ...iles exceeds this limit the product cannot recognize the data files in the USB memory The BACKUP and SYSTEM folders in Figure 4 23 are not used by the users Do not delete these folders and files in them as they are used for firmware updating of this product and other purposes Removing the USB memory from this product eject operation 1 Perform the eject operation Following two methods are available...

Страница 173: ...hing the monitor output 1 Press the MENU key to move to the root menu then select System 2 Put the cursor on Setup of the Monitor item then press the ENTER key 3 Only for polyphase model and polyphase system For the Phs item select the desired phase ...

Страница 174: ... key Notes In a polyphase system configure monitor setting for each of the phases using the L1 phase cabinet Each cabinet s monitor output connector outputs the monitor voltage of that phase In a single phase model the Phs item is fixed to L1 The output voltage monitor watches the voltage at the output terminal whether the remote sensing state is on or off ...

Страница 175: ...an be set to on only when the waveform is a sine wave When the Remote sensing function is on the waveform cannot be changed to other than a sine wave When the mode is changed to ACDC mode when the signal source is changed to EXT or ADD or when the Sequence or Simulation function is selected the Remote sensing function is forcibly set to off Notes The on off state of the Remote sensing function is ...

Страница 176: ...ase three wire and three phase four wire The terminals to be used for each output phase mode are shown in Figure 4 24 Do not connect anything to the terminals that are not used 単相2線出力で使用単相3線出力で使用三相4線出力で使用 Used for the single phase two wire output Used for the single phase three wire output Used for the three phase four wire output Figure 4 24 Sensing Input Terminals in Multi phase Model Turning ...

Страница 177: ...the Rmt Sense item to turn on or off if necessary 3 When the Remote sensing function is turned on the item symbol of the output voltage measured value is changed to SV Notes The Remote sensing function can be turned on off also in the AGC Autocal set window ...

Страница 178: ...selected the AGC function is forcibly set to off When the Autocal function is on the AGC function cannot be used For the specification of the AGC function see 10 16 Notes If the output voltage setting is out of the Operation range shown in 10 16 the calibration is not performed while the AGC function setting remains on and the icon is still displayed If the difference is out of the Calibration ran...

Страница 179: ...s are available a Shortcut operation b Push the Misc soft key and select 1 AGC Auto Cal 3 Use the Rmt Sense item to set the Remote sensing function to on or off if necessary 4 In the AGC item select 2 ON If the output voltage setting is within the AGC operation range the AGC calibration is started when ON is selected here 5 Close the window ...

Страница 180: ...Turning off the AGC function 1 Open the AGC Autocal set window Following two methods are available a Shortcut operation b Push the Misc soft key and select 1 AGC Auto Cal 2 In the AGC item select 1 OFF When OFF is selected here the AGC calibration finishes ...

Страница 181: ...tion is set to on the icon is displayed As the detected part of the output voltage calibrated by the Autocal function either the sensing input terminal the Remote sensing function is on or the output terminal the Remote sensing function is off can be selected Combining the Remote sensing function with the Autocal function you can compensate the voltage drop due to wiring to the load The Autocal fu...

Страница 182: ... remains on When the output range is changed the Autocal function is forcibly set to off When the Autocal function is forcibly set to off the settings saved in the System Setting Memory are not updated The Autocal function continues to use the calibration factor obtained when Autocal is turned on until Autocal is turned off In contrast the AGC function updates the calibration factor continuously w...

Страница 183: ...item to set the Remote sensing function to on or off if necessary 4 Use the Auto Cal item to turn on or off the Autocal function When ON is selected here the calibration factor of the Autocal function is calculated and the calibration is started 5 Close the window ...

Страница 184: ...ods are available a Shortcut operation The window is toggled between the AGC setting window and the Autocal setting window every time you press the keys b Push the Misc soft key and select 1 AGC Auto Cal 2 In the Auto Cal item select 1 OFF When OFF is selected here the Autocal calibration finishes and the calibration factor is cleared ...

Страница 185: ...ce such DC voltage close to zero For the DC offset adjustment four types of values are retained for each output voltage range and AC DC mode For the polyphase model and polyphase system the values need to be set for each phase The setting range of the DC offset adjustment value is shown in Table 4 11 Table 4 11 Setting Range of DC Offset Adjustment Value AC DC mode Minimum value Maximum value Reso...

Страница 186: ...C Adjust The DC offset adjustment window opens 2 Only for the polyphase model the polyphase output of the Multi phase model or the polyphase system In the Target Phs item specify the phase to perform the DC offset adjustment In this example the single phase model is used so this item is not specified leave it as L1 ...

Страница 187: ...ts close to zero 4 Close the window 4 15 Using for Unbalanced Polyphase Output For the polyphase model and polyphase system you can set the phase voltage and the phase to be unbalanced The phase can be set to be unbalanced by 35 degrees to the balanced state Operation procedure 1 Press the Osc soft key and select 6 Phase Mode The setting window for the phase mode opens ...

Страница 188: ... 3 To unbalance the phase set the phase in the L1 L2 and L1 L3 items When the setting is completed close the window 4 To unbalance the phase voltage press the Osc soft key and select 5 Target Phs and then select the phase to set the phase voltage Or perform the Shortcut operation to switch the phase to set Set the phase voltage in ACV ...

Страница 189: ... supply by switching from the AC DC mode to the DC mode or the ACDC mode For the voltage setting range see 10 6 Notes The polyphase model and polyphase system cannot be used as a DC power supply The DC mode cannot be used The DC voltage DCV of the ACDC mode also cannot be set The signal sources that can be combined with the ACDC mode are INT SYNC EXT and ADD The signal sources that can be combined...

Страница 190: ...about 100 ms 4 17 1 Using External Signal in AC VCA Mode In the AC VCA mode the peak value of the output AC voltage ACV is set according to the following figure by using the gain setting value and the voltage of the external DC signal ACV Vop Gain x External DC signal voltage V For the specifications of the gain setting range and the external DC signal input voltage range see 10 22 2 Notes The gai...

Страница 191: ...DC signal voltage is 1 41 V the output will be a sine wave of which amplitude is 141 Vop 100 Vrms Operation procedure 1 Turn off the output and enter the AC mode Following two methods are available a Shortcut operation Every time you press the keys the mode is switched to AC ACDC and DC in this order b Press the Osc soft key and select 1 AC DC From the opened menu select 1 AC 2 Press the Osc soft ...

Страница 192: ...ternal DC signal voltage V For the specifications of the gain setting range and the external DC signal input voltage range see 10 22 2 Notes The gain setting value is retained for each of 100 V 200 V ranges and for each of AC DC modes Within the same range the same value is retained for the gain setting value regardless of the combination of the signal sources VCA EXT ADD When the switching from D...

Страница 193: ...DC mode Following two methods are available a Shortcut operation Every time you press the keys the mode is switched to AC ACDC and DC in this order b Press the Osc soft key and select 1 AC DC From the opened menu select 3 DC 2 Press the Osc soft key and select 2 Source From the opened menu select 2 VCA 3 Set the Gain item ...

Страница 194: ...nd the starting stopping of Sequence by inputting the logic signal or the non voltage contact signal You can also get the product state by using the logic signal The polarity of state output can be switched The connector to be used is DBLC J25SAF 10L9E D sub 25 pin M2 6 mm screw manufactured by JAE For the specification of I O signals see 10 26 and for the pin assignment of the CONTROL I O connect...

Страница 195: ...Assignment pin I O Function Remarks 1 Output Power On Off Low Off High On 2 Output Output On Off Low On High Off negative 3 Output Protection operation Low Operate High None negative 4 Output Limiter operation Low Operate High None negative 5 Output AGC Autocal setting state Low On High Off negative 6 Output Software busy Low Busy High Ready negative 7 Output Output range Low 200 V High 100V 8 Out...

Страница 196: ...GRAMMABLE AC POWER SOURCE 178 Enabling disabling external control function 1 Press the MENU key to move to the root menu then select System The system setting window opens 2 In the Ext Control item select 1 Disable or 2 Enable ...

Страница 197: ...l Control Function DP Series 179 Setting the polarity of the state output 1 Press the MENU key to move to the root menu then select System The system setting window opens 2 In the ExtOut Pol item select 1 Negative or 2 Positive ...

Страница 198: ...R SOURCE 180 Setting the trigger output 1 Press the MENU key to move to the root menu then select System The system setting window opens 2 Move the cursor to Setup next to the Trig Out item and select it The trigger output setting window opens ...

Страница 199: ...power line or the external signal The icon is displayed when the internal signal source is synchronized with the external signal The icon is displayed when the synchronization is not performed The measured synchronization frequency value is displayed in the measured value area on the screen See 10 11 for the measurement specification of the synchronization frequency and 10 22 1 for the interface s...

Страница 200: ...g the external signal input connector If you want to synchronize it with the power line this step is not necessary 2 Press the Osc soft key and select 3 SYNC from 2 Source 3 In the Source item select Line power input or Ext external input signal as the synchronization signal source 4 When the internal signal source is synchronized with the external signal or the power line the icon is displayed ...

Страница 201: ...is clipped at that value If the signal source is set to EXT the calculation is carried out in certain intervals by the measurement function of this product Therefore the measurement operation cycle may become inappropriate depending on the external signal frequency resulting in the instable measured value display In that case set ADD for the signal source and configure the settings as below When t...

Страница 202: ... the state of high impedance Table 4 13 shows the list of the output terminal impedance reference values in the rear output terminal in the output off state when the output relay control is disabled Table 4 13 The Output Terminal Impedance Reference Values in the Rear Output Terminal in the Output Off State when the Activation of the Output Relay is Disabled Single phase Polyphase Model Outlet Typ...

Страница 203: ...emains off The output relay is in the off state during the wait time at power on or after changing the power unit energization setting even if the activation of the output relay is disabled Operation procedure 1 Press the MENU key to move to the root menu then select System The system setting window opens 2 In the Relay Cntrl item select 2 Enable or 1 Disable If you select Enable the activation of...

Страница 204: ... on at power on setting is valid only in the Continuous function If you set so that the Sequence or the Simulation function is selected at power on see 4 2 10 and 4 3 10 the output is not turned on automatically when turning on the power even if the output on at power on setting is set to on If the unit is in the Remote state immediately after the start up the output on at power on setting is set ...

Страница 205: ...ilable Instantaneous Unit kgCO2 h and Integration Unit tCO2 Users can change the coefficient for the calculation For the specification of the emission CO2 calculator see 10 11 Notes In the polyphase system the emission CO2 of the cabinet is displayed on the LCD panel of each cabinet The emission coefficient see 4 28 is not restored to the factory default setting even if you reset this product To r...

Страница 206: ... emissions The Loss represents the internal loss and the Output represents the output power Rate represents the instantaneous and Total represents the integration 3 You can change the emission coefficient in the Coef item 4 If you select Clear the measured value in the Total item is cleared ...

Страница 207: ...tion of this product If there is a power unit on which the energization is disabled the rated power icon is displayed inverted For details on the rated power icon see 3 2 6 and 5 1 1 You can disable the energization for the power unit that may have a failure while continuing operation of the product by using the remaining power units For details see 8 1 3 Operation procedure 1 Press the MENU key t...

Страница 208: ...nergized power units is changed the setting values of the peak current limiter and the RMS current limiter are restored to the factory default settings corresponding to the rated power which is determined by the number of the power units to be energized If you select OK without changing the energization settings in the power unit energization setting window the energization settings of all power u...

Страница 209: ... running The icon is displayed when the key lock is enabled Operation procedure The Shortcut operation toggles between on off of the key lock 4 26 Beep You can set whether or not the beep sounds when performing key operations If the protection function is activated the unit beeps regardless of the settings Operation procedure 1 Press the MENU key to move to the root menu then select System The sys...

Страница 210: ...the blue tone or the white tone You can also adjust the contrast in 100 steps For the setting specifications see 10 23 Operation procedure 1 Open the window for adjusting the LCD Following two methods are available a Shortcut operation b Press the MENU key to move to the root menu then select System The system setting window opens Put the cursor on Setup next to the LCD item then press the ENTER k...

Страница 211: ...the window displayed in the L1 cabinet and reopen it 4 28 Restoring to the Factory Default Setting Reset If you reset this product the setting items marked with in Table 4 14 are restored to the factory default settings Ensure that you reset the product in the output off state Table 4 14 Setting Items to be Reset Setting Item Reset Factory default setting Output on off Off Output range 100 V range...

Страница 212: ...l Measurement unit selection rms Power unit energization setting All enabled energization Remote sensing Off AGC Off Autocal OFF CO2 internal loss integration value 0 000000 tCO2 CO2 output power integration value 0 000000 tCO2 Emission CO2 coefficient 0 000555 tCO2 kWh LCD display Blue tone Beep On Key lock Off Output relay control On Output setting at power on Off Trigger output setting Negative...

Страница 213: ... Stop phase Disabled 0 deg Phase angle Single phase three wire 180 deg Three phase 120 240 deg Step termination Continue Jump count 1 Jump to step specification OFF Step sync output LL Branch step specification OFF Trigger output Off Simulation parameters Output range 100 V Step Time 0 1 second Frequency 50 Hz AC voltage 0 V Start phase Disabled 0 deg Stop phase Disabled 0 deg Step sync output LL ...

Страница 214: ...y The reset operation is performed Notes If you reset the product the content in the Basic Setting Memory will not be cleared Once restarted the setting of the Basic Setting Memory No 1 is recalled To reset the setting after restart to the factory default setting see 4 8 1 to clear the content of the Basic Setting Memory No 1 ...

Страница 215: ...DP Series 197 5 Description of Screen and Menu 5 1 Screen Configuration 198 5 2 Menu Composition 202 ...

Страница 216: ... in the format of AC DC mode Signal source 3 4 1 d Output phase mode Current output phase mode in the system 1P2W Single phase two wire 1P3W Single phase three wire 3P4W Three phase four wire 1 2 e Status icon The area where an icon is displayed when the product enters the specific state for example when the limiter is activated 5 1 1 f Measured value area The measured values are displayed In the ...

Страница 217: ...d 4 1 2 Peak current limiter The peak current limiter is activated 4 1 1 Active wattage limiter The active wattage limiter is activated 4 1 5 Synchronization With SYNC the internal signal source is synchronized with the external signal or the power line 4 19 Asynchronous With SYNC the internal signal source is not synchronized with the external signal or the power line 4 19 Key lock The key lock i...

Страница 218: ...nsing terminal SVmax Maximum peak value of the voltage on the sensing terminal SVmin Minimum peak value of the voltage on the sensing terminal I 2 Output current effective value Iavg 4 Average DC value of the output current Imax 2 Maximum peak value of the output current Imin 2 Minimum peak value of the output current Ipk Hold 2 Output current peak hold value F Synchronization signal source freque...

Страница 219: ...e L2 phase in the unbalanced mode single phase three wire All phases in the balanced mode three phase phase voltage setting All phases in the balanced mode three phase line voltage setting L1 phase in the unbalanced mode three phase L2 phase in the unbalanced mode three phase L3 phase in the unbalanced mode three phase Freq Frequency of the output AC voltage Wave Waveform of the output AC voltage ...

Страница 220: ...5 You can open each menu by using a soft key Table 5 5 Menus of the Continuous Function Menu Description Refer to 1 AC DC Switches the AC DC mode 3 4 1 2 Source Switches the signal source 3 4 1 3 Range Switches the output voltage range 3 4 2 4 On Off Phs Makes the on off phase settings 3 4 7 5 Target Phs Switches the phase to be configured 3 4 5 Osc 6 Phs Mode Sets the phase mode in the case of po...

Страница 221: ...e Saves to clears and renames the Sequence Memory File Recall Recalls the Sequence Memory Clear Resets the edited sequence to the factory default settings Sequence Edit Compile Compiles the edited sequence and moves to the Sequence Control View Start Starts the sequence It is displayed in the output on and sequence stopped states Stop Ends the sequence It is displayed in the sequence running state...

Страница 222: ...isplayed in the output on and simulation stopped states Stop Ends the simulation It is displayed in the Simulation running state Measure Makes the measured value display settings It is displayed in the simulation stopped state Simulation Control Edit Moves to the Simulation Edit View It is displayed in the output off state 5 2 4 Menus of the Memory Function The menus of the Memory function are sho...

Страница 223: ...he screen color and the contrast 4 27 Monitor Makes the Monitor function settings 4 10 Ext Control Enables disables the external control 4 18 Remote Makes the communication interface settings 6 1 Relay Cntrl Enables disables the output relay to coordinate with the output on off 4 21 USB Eject Disconnects the USB memory before removing it 4 9 Trig Out Makes the trigger output settings in the Sequen...

Страница 224: ...5 Description of Screen and Menu PROGRAMMABLE AC POWER SOURCE 206 ...

Страница 225: ...DP Series 207 6 Remote Control 6 1 Communication Interface 208 6 2 Remote Local State Switching 214 ...

Страница 226: ...re Architecture VISA library If you do not have a license to use VISA library you need to obtain one generally it requires some cost For details of the remote control commands and programming see Instruction Manual Remote Control in the attached CD ROM 6 1 1 USB The product is compliant with the USB Test and Measurement Class USBTMC Normally the USBTMC class driver supports the sub class USB488 an...

Страница 227: ...rsor on Setup next to the Remote item then press the ENTER key The remote setting window opens 3 In the Interface item select USB 4 The window shows Terminator and USB ID For the USB ID see the explanation in the next section Select OK to close the window ...

Страница 228: ... communicate properly About USB ID Used for a system connected with multiple DP Series programmable AC power sources through USB to enable the application identify each source The USB ID is represented in the following format USB0 Vendor number Product number Serial number INSTR Vendor number Fixed to 3402 0x0D4A Product number Fixed to 26 0x001A Serial number A unique number serial number has bee...

Страница 229: ...6 1 Communication Interface DP Series 211 2 Put the cursor on Setup next to the Remote item then press the ENTER key The remote setting window opens 3 In the Interface item select RS232 4 Set each item ...

Страница 230: ...onment Turn off this product and the computer before connecting or disconnecting the cable Binary transmission is not supported 6 1 3 GPIB Optional The product is compliant with the GPIB IEEE Standard 488 1 1987 The GPIB based remote control is available by connecting the optional GPIB interface For the interface specifications see 10 27 Operation procedure 1 Press the MENU key to move to the root...

Страница 231: ...face DP Series 213 2 Put the cursor on Setup next to the Remote item then press the ENTER key The remote setting window opens 3 In the Interface item select GPIB 4 In the Address item set the address Terminator is fixed to LF ...

Страница 232: ...is within 4 meters Do not set the same address as the one used for any other device connected to the same bus Otherwise the product cannot communicate properly Binary transmission is not supported Query for the main unit status byte using a serial poll is not supported 6 2 Remote Local State Switching 6 2 1 Remote State In the Remote state the control panel key operations are not accepted However ...

Страница 233: ...Measurement Extensions 216 7 2 Sequence and Simulation Functions 216 7 3 External Signal Input 216 7 4 Remote Controller 216 7 5 System Cable for Polyphase System 217 7 6 GPIB 217 7 7 Rack Mount Adapter 218 7 8 Replacement Air Filter 218 ...

Страница 234: ...n Model name PA 001 1723 Product name Sequence and Simulation functions 7 3 External Signal Input This option adds EXT and ADD as the signal source Note that this option cannot be added to the polyphase models It shall be requested at the time of order Model name PA 001 1724 Product name External Signal Input 7 4 Remote Controller A remote controller with the numeric keypad jog and shuttle It supp...

Страница 235: ...an be requested at the time of order or added after the purchase For how to configure the polyphase system see 2 5 4 Note that the System Cable cannot be used in the Multi phase model Model name PA 001 1720 Product name System Cable 1P3W Model name PA 001 1721 Product name System Cable 3P4W 7 6 GPIB GPIB interface It shall be requested at the time of order For the remote control by the GPIB see 6 ...

Страница 236: ...M DP060S DP060D PA 001 1734 Rack mount adapter mm type 3 DP075S DP090S DP090D DP090T PA 001 1735 Rack mount adapter mm type 4 DP090M DP105S DP120S DP120D 7 8 Replacement Air Filter A set of replacement air filters on the front grill This option can be requested at the time of order or added after the purchase As shown in Figure 7 2 there are two types of front grill Front grill 1 for the top row a...

Страница 237: ...7 8 Replacement Air Filter DP Series 219 フロントグリルフロントグリル Front grill 1 Front grill 2 Figure 7 2 Front Grills ...

Страница 238: ...7 Options PROGRAMMABLE AC POWER SOURCE 220 ...

Страница 239: ...DP Series 221 8 Troubleshooting 8 1 Error Messages and Error Handling 222 8 2 When a Failure is Suspected 229 ...

Страница 240: ...or 8 1 5 d Message Describes the error details 8 1 5 e Press Enter Key Displayed for an error whose protection type is Output Off 8 1 2 f Soft key PU ON Displayed for an error that occurred on the power unit This key opens the power unit energization setting window enabling you to disable the energization of the power unit that repeatedly generates the error 8 1 3 8 1 2 If An Error Message is Disp...

Страница 241: ...sage window press the PU ON soft key The power unit energization setting window opens 2 The power unit with an error is marked with E like Check on the power unit that has an error First leaving the energization setting as is select OK All the power units are restarted 3 When the error message window is displayed again press the ENTER key 4 If the error still exists press the PU ON soft key again ...

Страница 242: ... power of it Output Off The output turns off The panel says Output OFF and Press Enter Key When you press the ENTER key you will return to the previous window for further operations if the cause of the error has been removed Otherwise the error message window will be displayed again When the PU ON soft key is displayed on the error message window pressing the soft key opens the power unit energiza...

Страница 243: ...es not allow the setting execution Enter the signal frequency within the range 13 Auto Cal Disabled Message display only The Autocal setting becomes off because of out of the calibration range 15 AGC Disabled Message display only The AGC setting becomes off because of out of the calibration range 20 Invalid Message display only The condition cannot be set executed 24 USB Memory Unconnected Message...

Страница 244: ...er NF Corporation or our agent from whom you purchased the product 38 Communication Failure SC System Lock The polyphase system communication is abnormal Make sure the System Cable is connected properly 40 Polyphase Connection Timeout System Lock In the polyphase system the connection destination cannot be recognized in the specified time Make sure the System Cable is connected properly then turn ...

Страница 245: ... the ambient temperature is appropriate Check the filters for clogging For filter cleaning see 9 2 56 Sensing Voltage Error Output Off The sensing voltage is abnormal Make sure the cable is properly connected to the sensing input terminal 57 Sync Frequency Error Output Off The frequency went out of the synchronizable range and thus the output turned off 58 Current Limiter RMS Output Off The RMS cu...

Страница 246: ...erted 78 USB Memory Disconnected Message display only The USB memory eject operation was performed and thus the USB memory can be removed now 82 Sequence Compile Error Message display only Sequence compilation failed 83 Simulation Compile Error Message display only Simulation compilation failed 84 System Updated Please Reboot System Lock The firmware was updated 85 System Updated Please Reboot Sys...

Страница 247: ...D display is completely invisible perform the Shortcut operation to adjust the contrast Then the digit cursor is placed on the tenths place 4 27 The key lock is set to on Set the key lock to off 4 25 Panel operations cannot be performed Keys or dials are deteriorated Ask us or our agent for repair Problem at key operation Numerical values cannot be entered through the numeric keypad It is in the s...

Страница 248: ...e signal source to the external signal input terminal and set the external input gain appropriately 4 17 4 20 The output coupling mode is the DC mode The front output outlet can be used only in the AC mode or ACDC mode The output does not appear in the DC mode There is no output from the outlet on the front The output voltage range is 200 V The Japan North America type outlet can be used only in t...

Страница 249: ...l air inlet or rear panel air outlet there is something blocking the air flow Install the product so as to satisfy the installation conditions described in 2 2 The measured voltage or current is not displayed correctly The display selection is not right Select RMS for AC Otherwise the correct value is not displayed The measured value is displayed as It is out of the synchronization frequency measu...

Страница 250: ...odes However for the AC mode it can be set to on only when the waveform is a sine wave It is turned off when the Sequence or Simulation function is selected 4 12 Problem of AGC function The AGC function cannot be turned on The Autocal function is on When the Autocal function is on the AGC function cannot be used Turn off the Autocal function 4 13 The output mode is incorrect The waveform setting i...

Страница 251: ... function works to eliminate the offset voltage DC component When the product is used in the ACDC mode switch it to the AC mode see 3 4 1 If it does not bring much improvement adjust the DC offset see 4 14 Problem at driving an inductive load e g transformer The output overvoltage error occurs for an inductive load e g transformer An abrupt change in the output current generated a back electromoti...

Страница 252: ...n the stop phase setting is active the execution waits for the Step Time that was set pass and keeps the output setting until it reaches the Stop Phase that was set and then transitions to the next step As the result the actual step time is longer than the set Step Time To move to the next step immediately after the Step Time disable the Stop Phase 4 2 Problem of polyphase system The polyphase sys...

Страница 253: ...DP Series 235 9 Maintenance 9 1 Preface 236 9 2 Daily Maintenance 236 9 3 Storage Repackaging Transportation 239 9 4 Checking Firmware Version 239 ...

Страница 254: ...atings may be peeled off When the front grilll air filters are dirty A front grill is provided with air filters for removing dust or dirt from the intake air Clogged air filters deteriorate the ventilation resulting in excessive high temperature inside the product This may activate the overheat protection affecting the operation or damage the internal parts resulting in failure Regularly check the...

Страница 255: ...by turning it clockwise Slide the front grill holder downward to dismount it 2 Flip up the control panel to its maximum angle 3 Dismount the front grills in turn from the top The topmost front grill is fixed at the bottom left and right to the chassis and hung at the top on the hook of the chassis Hold the front grill at the bottom left and right sides and pull it out toward you to release it Move...

Страница 256: ... it out toward you to remove it 5 Remove the air filters from the back of each front grill Be careful with the small claws on the front grill that hold the air filters Mind the claws that hold the air filters Filter s notched side faces outside 6 Rinse the removed air filters with water to remove dirt and clog Dry them completely 7 Remount them in reverse order of steps 1 to 5 ...

Страница 257: ...place exposed to rapid temperature change or direct sunlight Store it under a normal temperature environment wherever possible For the storage condition see 10 30 Repackaging and transportation Follow the instructions below when repackaging the product due to transfer or repair In order for the main unit to be sufficiently protected from impact during transportation pack it with a shock absorber s...

Страница 258: ...enance PROGRAMMABLE AC POWER SOURCE 240 2 Put the cursor on View next to the Information item then press the ENTER key 3 The Information window opens The firmware version is shown at the Firmware Version item ...

Страница 259: ... 10 14Setting Range Limit Function 256 10 15Remote Sensing 257 10 16AGC Optional 258 10 17Autocal Output Voltage Compensation 258 10 18Sequence Optional 259 10 19Simulation Optional 260 10 20Clipped Sine Wave 261 10 21Arbitrary Wave 261 10 22External Signal Input 262 10 23General Function 263 10 24Memory Function 264 10 25Self diagnosis Protection Function 265 10 26External Control I O 266 10 27Ex...

Страница 260: ...nge specification A value with the accuracy is the guaranteed value of the specification However an accuracy noted as reference value shows the supplemental data for reference when the product is used and is not under the guarantee A value without the accuracy is the nominal value or representative value shown as typ The DP series other than single phase three wire models DP030D DP060D DP090D DP12...

Страница 261: ...this product are DC coupled and the DC component is also amplified The AC and DC output settings of 1 Hz or higher are available The signal sources that can be combined are INT SYNC EXT and ADD In the polyphase model polyphase system and polyphase output of the Multi phase model only the AC setting is available Fixed to this mode in the Simulation Select this mode when you want to amplify a signal...

Страница 262: ... AC DC mode SYNC Uses the internal signal source Synchronizes the frequency of the internal signal source with the signal EXT from the external synchronization signal input terminal also used as the external input terminal or the power supply input frequency LINE of the product The frequency setting cannot be set from external interfaces such as the panel or USB All conditions except for output fr...

Страница 263: ...ltage frequency characteristic 6 1 Output waveform sine wave arbitrary wave 16 types clipped sine wave 3 types Output on phase 0 0 to 359 9 variable setting resolution 0 1 Output off phase 0 0 to 359 9 variable setting resolution 0 1 active inactive selectable DC offset 7 Within 20 mV typ fine adjustment available 1 In the case of 10 V to 150 V 20 V to 300 V sine wave no load 45 Hz to 65 Hz DC vol...

Страница 264: ...Apk Power capacity 11 3 kVA 6 kVA 9 kVA 12 kVA 4 5 kVA 9 kVA load power factor 0 to 1 phase lead or phase lag 45 Hz to 65 Hz external power injection and regeneration are not available Frequency setting range 40 Hz to 550 Hz AC mode 1 Hz to 550 Hz AC DC mode Setting resolution 0 1 Hz Frequency accuracy 0 01 of set 23 C 5 C Frequency stability 12 0 005 Voltage frequency characteristic 13 1 Output w...

Страница 265: ...ingle phase model and Single phase output of Multi phase model 015S 030S 045S 045M 060S 075S 090S 090M 105S 120S Mode Floating output the Lo terminal can be grounded Rated output voltage 100 V 200 V Voltage setting range 220 V to 220 V 440 V to 440 V Setting resolution 0 1 V Voltage accuracy 17 1 of set 0 6 V 1 2 V Maximum current 18 15 A 7 5 A 30 A 15 A 45 A 22 5 A 60 A 30 A 75 A 37 5 A 90 A 45 A...

Страница 266: ...the rated output voltage DC only single phase model and single phase output of the Multi phase model or 45 Hz to 65 Hz Transition state immediately after a change of the input power supply voltage is not included 22 In the case that the output current is changed from 0 to 100 of the maximum current For output voltage 75 V to 150 V 150 V to 300 V no load reference However if the output voltage is h...

Страница 267: ...A or lower 11 25 kVA or lower 13 5 kVA or lower 15 75 kVA or lower 18 kVA or lower Polyphase model Multi phase model 030D 060D 090D 120D 045T 045M 090T 090M Maximum power consumption 4 5 kVA or lower 9 kVA or lower 13 5 kVA or lower 18 kVA or lower 6 75 kVA or lower 13 5 kVA or lower 24 In the 6 kVA or higher models the output capacity is limited to 4 5 kW for the 170 V or lower input 25 In the ca...

Страница 268: ...ale 250V 500 V Resolution 0 1 V Peak value pk each of max and min Accuracy DC 45 Hz to 65 Hz 2 of rdg 1 V 2 V Note The accuracy of the peak value is for a waveform of DC or sine wave Note In the polyphase model polyphase system and polyphase output of the Multi phase this specification is for the phase voltage and the DC average value display cannot be selected Voltage only line voltage display in...

Страница 269: ...phase model Single phase three wire model Single phase output of the Multi phase model 060S 120D 075S 090S 090M 105S 120S Full scale 80 A 40 A 100 A 50 A 120 A 60 A 140 A 70 A 160 A 80 A Resolution 0 01 A DC 45 Hz to 65 Hz 0 5 of rdg 0 16 A 0 08 A 0 5 of rdg 0 24 A 0 12 A 0 5 of rdg 0 32 A 0 16 A 40 Hz to 550 Hz Effective value rms Accuracy 0 7 of rdg 0 16 A 0 08 A 0 7 of rdg 0 24 A 0 12 A 0 7 of ...

Страница 270: ... W or higher DC 45 Hz to 65 Hz Active W Accuracy 1 of rdg 3 W 1 of rdg 4 5 W 1 of rdg 6 W Full scale 9000 VA 11250 VA 13500 VA 15750 VA 18000 VA Resolution 0 1 VA 1 VA 1000 VA or higher 45 Hz to 65 Hz Apparent VA Accuracy 2 of rdg 6 VA 2 of rdg 9 VA 2 of rdg 12 VA Full scale 9000 var 11250 var 13500 var 15750 var 18000 var Resolution 0 1 var 1 var 1000 var or higher 45 Hz to 65 Hz Reactive var Acc...

Страница 271: ...ll scale 20 A 10A 100 40 A 20A 100 60 A 30A 100 Resolution 0 01 A 0 1 Up to 20th 1 of rdg 0 2 A 0 2 A 1 of rdg 0 4 A 0 2 A 1 of rdg 0 6 A 0 3 A 1 of rdg 0 8 A 0 4 A 20th to 40th Effective value rms Percent Accuracy At RMS reference value 1 5 of rdg 0 2 A 0 2 A 1 5 of rdg 0 4 A 0 2 A 1 5 of rdg 0 6 A 0 3 A 1 5 of rdg 0 8 A 0 4 A Single phase model Single phase three wire model Single phase output o...

Страница 272: ...wer consumption can be decreased by decreasing the number of the power units in operation according to the load capacity Each power unit can be enabled energized disabled not energized separately 1 5 kVA or 1 5 kW power unit Single phase model and Single phase output of Multi phase model 015S 030S 045S 045M 060S 075S 090S 090M 105S 120S Number of units 1 2 3 4 5 6 7 8 Energizing setting No Yes Not...

Страница 273: ...A 126 0 A Resolution 0 1 A Limiter operation Select whether to recover automatically continuous factory default or turn the output off when the limited state continues over the specified time 1 s to 10 s resolution 1 s Single phase model and Single phase output of Multi phase model 075S 090S 090M 105S 120S Setting Range Peak value 37 5 A to 315 0 A 18 7 A to 157 5 A 45 0 A to 378 0 A 22 5 A to 189...

Страница 274: ...d the number of units by the power unit energization setting the factory default setting corresponding to the capacity is used Example In the case that only 3 units operate in 6 kVA model the factory default setting of 4 5 kVA model is used 10 14 Setting Range Limit Function This is the limit function for the setting of the internal signal source It works when the signal source is INT VCA frequenc...

Страница 275: ...Resolution 0 1 Hz Note In the AC mode the setting range is 40 0 Hz to 550 0 Hz 10 15 Remote Sensing This switches the voltage used for measurement When the remote sensing is on the sensing input terminal voltage is used When it is off the output terminal voltage is used By combining with AGC or Autocal a voltage drop due to wiring to the load can be compensated When the remote sensing is on the ou...

Страница 276: ...etection point voltage is always measured and the output voltage is continuously corrected so that its effective value is equal to the output voltage setting value The ratio correction factor of the detection point voltage to the output voltage setting value is used until the Autocal or the power is turned off Therefore the detection point voltage is not necessarily maintained if the load changes ...

Страница 277: ...y waveform DC voltage Start Phase Stop Phase Phase angle Step termination Jump count 1 to 9999 or infinite Specification of the Jump to step Synchronous step output 2bit Specification of the branch step Trigger output Sequence control Start Stop Hold Resume Branch 1 Branch 2 Note For DC INT the AC phase voltage frequency waveform Start Phase and Stop Phase cannot be set Note The phase angle can be...

Страница 278: ...s 5 non volatile Number of steps 6 Initial Normal 1 Trans 1 Abnormal Trans 2 Normal 2 Setting range of Step Time 0 0010 s to 999 9999 s 0 s is available only for the Transition Step Parameter Output range The above item is common within the Simulation AC voltage Frequency Waveform sine wave only Start Phase excluding the Transition Step Stop Phase excluding the Transition Step Synchronous step out...

Страница 279: ... value voltage effective value It is 1 41 for sine wave Note When the clip ratio is specified the peak is clipped by the voltage corresponding to the specified to the peak value of the setting voltage 100 Example For the output voltage setting of 100 Vrms and the clip rate of 80 the peak is clipped at 113 1 Vpk Note In the polyphase model polyphase system and polyphase output of the Multi phase mo...

Страница 280: ...input voltage 10 V 10 22 2 Voltage Setting Signal Input Signal Source VCA only This is the signal to set the output voltage amplitude of the internal signal source DC input Output voltage Vop Voltage setting signal Vdc x Gain Vop Vdc Example 1 For the AC mode signal source INT the gain of 100 0 and the voltage setting signal input of 1 Vdc the output voltage is 100 Vop Example 2 For the AC mode si...

Страница 281: ...50 Hz sine wave DC to 100 Hz other than sine wave Note There is no optional setting for the polyphase model It cannot be used for the polyphase system or polyphase output of the Multi phase 10 23 General Function Description Factory default Contrast 0 to 99 LCD display setting Color Blue tone or white tone Blue tone Beep key operation erroneous operation On or Off Alarms on abnormal situation rega...

Страница 282: ...l source INT External synchronization signal LINE or EXT LINE AC voltage setting 0 V Frequency 50 Hz Output waveform Sine wave Output on phase and output off phase 0 0 Phase voltage Line voltage setting selection Phase voltage Phase angle setting Single phase three wire 180 Three phase four wire 120 240 Balanced Unbalanced Balanced DC voltage setting 0 V Current limiter Refer to 10 13 Setting rang...

Страница 283: ...Memory check Checks the Simulation Memory Adjustment value memory check Checks the adjustment data memory Version check Checks the version of the internal software System configuration check Checks the polyphase system While energizing Description Abnormal output Turns off the panel display and output when an output overvoltage or overcurrent is detected Power unit error Turns off the panel displa...

Страница 284: ...ling Clear Output level TTL Output impedance 220 Ω Polarity Polarity reverse collective is available only for the state with Power On Off Low Off High On Output On Off Low On High Off Protection operation Low Active High None Limiter operation Low Active High None AGC Autocal setting state Low On High Off Software busy Low Busy High Ready Factory default negative Output range Low 200 V High 100 V ...

Страница 285: ...7 8 8 bit Flow control None Hardware Software None Note Binary transmission is not supported Note Use a cross cable GPIB interface optional IEEE488 1 std 1987 compliant Item Description or Selection Factory default Address 0 to 30 2 Terminator LF Note Binary transmission is not supported Note Query for the main unit status byte using a serial poll is not supported 10 28 USB Memory Interface Commer...

Страница 286: ... Output impedance 600 Ω Single phase model and Single phase output of Multi phase model 075S 090S 090M 105S 120S Monitored Output phase voltage or output phase current switched Phase voltage 200 1 400 1 Gain Phase current 300 1 150 1 400 1 200 1 Accuracy 5 no load on the monitor output the rated output voltage the resistance load at the maximum current output terminal BNC connector rear panel unba...

Страница 287: ...o 25 g m3 without dew condensation On some specifications the temperature range limit is more strict Storage temperature humidity 10 C to 60 C 5 to 95 RH The absolute humidity should be 1 to 29 g m3 without dew condensation Figure 10 1 shows the ranges of the ambient temperature and the humidity 10 0 10 20 30 40 50 60 RH 90 80 70 60 50 40 30 20 10 0 保管動作 Storage Operation Figure 10 1 Range of Amb...

Страница 288: ...l 075S 090S 090D 090T 105S 120S 120D Dimensions W H D 430 1021 562mm 430 1287 562mm Weight 110 kg approx 125 kg approx 140 kg approx 155 kg approx Power input terminal rear M8 screw Output terminal rear M6 screw bolt polyphase model M8 screw bolt single phase model Outlet Only for the single phase model Front 15 Amax For Japan North America NEMA 5 15 100 V range only Or for Europe CEE 7 Sensing in...

Страница 289: ...On order and after purchase System Cable 3P4W PA 001 1721 Allows you to configure the Three phase four wire system by using three of same single phase models On order and after purchase Remote Controller DP008 Multifunctional remote controller with numeric keypad and jog shuttle On order and after purchase Replacement Air Filter PA 001 1736 grill 1 PA 001 1737 grill 2 Replacement air filters Two t...

Страница 290: ...hase mode setting switch of the multi phase are omitted The rear I O terminal panel of the multi phase consists of the upper and lower sections Upper polyphase output terminal Lower power input terminal sensing input terminal single phase output terminal Rear View Side View Front View Figure 10 2 DP015S DP030S DP030D Type 1 cabinet ...

Страница 291: ...10 33 Outline Dimensional Drawing DP Series 273 Rear View Side View Front View Figure 10 3 DP045S DP045T DP045M DP060S DP060D Type 2 cabinet ...

Страница 292: ...10 Specifications PROGRAMMABLE AC POWER SOURCE 274 Rear View Side View Front View Figure 10 4 DP075S DP090S DP090D DP090T Type 3 cabinet ...

Страница 293: ...10 33 Outline Dimensional Drawing DP Series 275 Rear View Side View Front View Figure 10 5 DP090M DP105S DP120S DP120D Type 4 cabinet ...

Страница 294: ...ed mode 54 Basic Setting Memory 140 204 beep 191 205 branch step 79 busy 199 Ｃ calibration 30 CANCEL key 36 37 43 caster 11 33 35 CF 59 133 200 character string entry box 45 circuit breaker 18 clip ratio 131 clipped sine wave 131 compile 89 114 component name 32 Const 77 Continuous function 47 202 CONTROL I O connector 35 control panel 26 33 crest factor 59 131 216 Ｄ data list box 42 DC coupling 4...

Страница 295: ...ation 205 240 Initial Step 104 inrush current 129 installation environment 8 INT 47 Intra Step parameter 76 104 Ipk Hold 58 131 200 Ｊ Jog 37 Jump count 79 Jump to step 78 Ｋ Keep 77 key lock 191 199 Ｌ LCD 36 192 205 LIMIT LED 36 limiter 68 limiting action 224 line voltage 55 line voltage display 65 Local state 214 Ｍ measured value area 198 200 measurement function 58 measuring mode 59 Memory functi...

Страница 296: ...imiter 68 199 PF 59 200 phase current 58 65 200 phase mode setting switch 2 27 33 38 phase voltage 54 65 169 200 polyphase output terminal 21 35 polyphase system 2 22 217 power factor 59 200 216 power input cable 14 power input cable holder 15 35 power input terminal 14 35 power on off 37 power switch 33 power unit energization setting 40 189 199 223 protection type 222 PU ON 189 205 222 223 PwOn ...

Страница 297: ...p Behavior 77 Step parameter 103 Step sync code output 79 106 step termination 79 Step Time 78 104 step control parameter 76 104 Stop Phase 80 105 storage 239 SV 159 200 SVavg 200 SVmax 200 SVmin 200 sweep 77 SYNC 47 181 synchronization 181 199 synchronization frequency 59 System Cable 22 217 SYSTEM I O connector 35 System Lock 224 System menu 205 Ｔ three phase 20 22 54 Transition Step 104 Transit...

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Страница 299: ...product without any charge for the parts and labor or either repair or replace products which prove to be defective For repair service under warranty the product must be returned to a service center designated by NF Purchaser shall prepay all shipping cost duties and taxes for the product to NF from another country and NF shall pay shipping charge to returned the product to purchaser This warranty...

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Страница 301: ...curate and reliable However we assume no responsibility for any damage regarding the contents of this manual Should you notice any doubtful or wrong statement or lack of description please contact us or our agent Copyright 2010 NF Corporation Programmable AC Power Source DP Series Instruction Manual NF Corporation 6 3 20 Tsunashima Higashi Kohoku ku Yokohama 223 8508 JAPAN Phone 81 45 545 8128 Fax...

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Страница 304: ...http www nfcorp co jp NF Corporation 6 3 20 Tsunashima Higashi Kohoku ku Yokohama 223 8508 JAPAN ...

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