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Table of Contents

DF1906

- vii -

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M aintenance.................................................................................................................. 7-1

7.1 Preface ....................................................................................................................... 7-2

7.2 Daily Maintenance ...................................................................................................... 7-2

7.3 Storage, Repacking, and Transportation .................................................................... 7-2

7.4 How to Check Version Number ................................................................................... 7-3

7.5 Performance Test........................................................................................................ 7-3

7.5.1

Frequency Accuracy Test ................................................................................... 7-4

7.5.2

Amplitude Frequency Characteristic Test ........................................................... 7-4

7.5.3

Sine Wave Distortion Test .................................................................................. 7-4

7.5.4

Square Wave Duty Ratio .................................................................................... 7-4

7.5.5

Amplitude Accuracy Test .................................................................................... 7-5

7.5.6

DC Offset Accuracy Test..................................................................................... 7-5

7.6 Calibration................................................................................................................... 7-6

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Specifications ............................................................................................................... 8-1

8.1 Wavefor m and Output Characteristics ........................................................................ 8-2

8.2 Output Voltage ............................................................................................................ 8-4

8.3 Other Functions .......................................................................................................... 8-5

8.4 Details of Initialization ................................................................................................. 8-7

8.5 General Specifications ................................................................................................ 8-8

Содержание DF 1906

Страница 1: ...NF Corporation DIGITAL FUNCTION GENERATOR DF1906 INSTRUCTION MANUAL ...

Страница 2: ......

Страница 3: ...DIGITAL FUNCTION GENERATOR DF1906 INSTRUCTION MANUAL DA00057652 001 ...

Страница 4: ...nts is a registered trademark of National Instruments Corporation in the United States Other company names and product names used in this instruction manual may be trademarks or registered trademarks of their respective companies ...

Страница 5: ... equipment for the first time start from Chapter 1 1 Overview This chapter provides an overview and describes the features applications functions and simple operation principles of this product 2 Preparation Before Use This chapter describes the important preparations before installation and operation 3 Explanation of Panels and Basic Operations This chapter describes the functions operations and ...

Страница 6: ...duct is automatically grounded by connecting a 3 pin power plug to a power outlet with a protective ground contact Check the power supply voltage This product operates at a power supply voltage described in Grounding and Power Connection of this instruction manual Before connecting to the power outlet check that the voltage of the power outlet matches the rated power supply voltage of the product ...

Страница 7: ...here the user must refer to the instruction manual Electric shock hazard symbol This symbol is displayed where there is a risk of electric shock under specific conditions Warning symbol This contains information to avoid electric shock and other risks when handling the equipment that could result in the death or bodily injury of the operator Caution symbol This contains information to avoid damage...

Страница 8: ...DF1906 iv ...

Страница 9: ...ions 3 1 3 1 Panel Part Names and Operations 3 2 3 2 Display at Power On and Initial Settings 3 7 3 2 1 Before Powering On 3 7 3 2 2 Display at Power On 3 8 3 2 3 Initial Settings 3 8 3 3 I O Connector 3 10 3 3 1 Output Connector 3 10 3 3 2 Input Connector 3 13 3 4 I O Connection 3 14 3 5 Basic Operations 3 15 3 5 1 Display 3 15 3 5 2 Set Numeric Value 3 15 3 5 3 Select Setting Value 3 16 3 5 4 Se...

Страница 10: ...4 3 2 Select Output at Power On 4 7 4 3 3 Select Load 4 7 4 3 4 Set by High Level Low Level 4 8 5 USB Interface 5 1 5 1 Preparation Before Use 5 2 5 2 Command List 5 3 5 3 Explanation of Commands 5 6 5 3 1 Language Overview 5 6 5 3 1 1 Subsystem Commands 5 6 5 3 1 2 Path Separator 5 6 5 3 1 3 Command String Simplification 5 6 5 3 1 4 Suggestion Keyword 5 7 5 3 2 Detailed Explanation of Commands 5 ...

Страница 11: ...uency Accuracy Test 7 4 7 5 2 Amplitude Frequency Characteristic Test 7 4 7 5 3 Sine Wave Distortion Test 7 4 7 5 4 Square Wave Duty Ratio 7 4 7 5 5 Amplitude Accuracy Test 7 5 7 5 6 DC Offset Accuracy Test 7 5 7 6 Calibration 7 6 8 Specifications 8 1 8 1 Waveform and Output Characteristics 8 2 8 2 Output Voltage 8 4 8 3 Other Functions 8 5 8 4 Details of Initialization 8 7 8 5 General Specificati...

Страница 12: ... TRIG IN 3 13 Figure 3 6 Display Panel 3 15 Figure 5 1 Command Tree 5 15 Figure 5 2 Status System 5 16 Figure 8 1 External Dimensions Diagram 8 9 Table 2 1 Configuration List 2 2 Table 3 1 Initial Settings 3 9 Table 5 1 DF1906 Command List 5 3 Table 5 2 Common Commands 5 4 Table 5 3 Definition of Status Byte Register 5 17 Table 5 4 Definition of Standard Event Status Register 5 18 ...

Страница 13: ...DF1906 1 1 1 Overview 1 1 Features 1 2 1 2 Applications 1 2 1 3 Function List 1 3 1 4 Operating Principle 1 4 ...

Страница 14: ... from 0 to the maximum amplitude In addition to the 4 standard waveforms Sine wave square wave ramp wave and DC 4 arbitrary waves can also be output The duty ratio can be changed for the square wave The symmetry can be changed for the ramp wave Waveform data is set via a USB connection for arbitrary waveforms Awealth of oscillation modes are available Continuous oscillation Burst oscillation Trigg...

Страница 15: ...on Phase Trigger Oscillation Select Trigger Input Polarity Mark Wave Number Select SYNC OUT Function Phase Gate Oscillation Select Trigger Input Polarity Select SYNC OUT Function Phase Waveform Sine Wave Ramp Wave Symmetry Square Wave Duty Ratio Arbitrary Waveform Select Waveform 1 to 4 DC Generation Voltage Amplitude Vp p Vrms for Sine Wave only DC Offset High Level Low Level Select Output Load S...

Страница 16: ... waveforms and sine wave and ramp wave in the burst trigger gate oscillation mode is approx 650 kHz For a square wave at a duty ratio of 50 and at a frequency of 10 kHz or more a low jitter square wave is obtained by generating a sine wave by the Waveform Memory D A Converter LPF and converting it to a square wave by an analog comparator in the generator For a square wave at a duty ratio of other ...

Страница 17: ...DF1906 2 1 2 Preparation Before Use 2 1 Checking Before Use 2 2 2 2 Installation 2 3 2 3 Grounding and Power Connection 2 4 2 4 Simplified Operation Check 2 5 2 5 Calibration 2 6 ...

Страница 18: ...ng First of all check that the product has not been damaged during transport Before installing the equipment make sure that the configuration is as specified in Table 2 1 Configuration List Table 2 1 Configuration List There are high voltage parts inside this equipment Never remove the cover No one except trained service technicians who have knowledge of hazard prevention is permitted to check the...

Страница 19: ... heat source Places exposed to dust salt metallic powder etc Places exposed to corrosive gas moisture oil smoke etc Places exposed to vibration Places near intense magnetic or electric field sources Places near pulse noise sources When output accuracy is important allow the equipment to warm up for at least 2 hours before use Keep the power cord of the DF1906 or other equipment away from the signa...

Страница 20: ...ct Power Supply To prevent damage to the DF1906 check that the voltage of the power outlet is within the power supply voltage of the DF1906 and then connect to the power outlet The DF1906 operates from the following power outlet Power supply voltage range 100 V to 240 V AC 10 250 V or less Power supply frequency range 50 60 Hz 2 Hz The maximum power consumption is 25 VA Before connecting the power...

Страница 21: ...ION the waveform display flashes When you turn MODIFY dial the waveform is switched 3 5 6 Select Waveform 6 Change the frequency When you press frequency setting key FREQUENCY any of the digits of the frequency display flashes When you press cursor movement keys the flashing digit moves When you turn modify dial MODIFY the number in the flashing digit increases decreases and the frequency is chang...

Страница 22: ...r the DF1906 which may vary depending on the operating environment and frequency Furthermore it is recommended to perform the performance test before using the equipment for important measurements and tests If the performance test results do not satisfy the standards NF Corporation will perform adjustment or calibration to restore the original performance If calibration is required contact NF Corp...

Страница 23: ... On 3 6 3 2 3 Initial Settings 3 6 3 3 I O Connector 3 8 3 3 1 Output Connector 3 8 3 3 2 Input Connector 3 11 3 4 I O Connection 3 12 3 5 Basic Operations 3 13 3 5 1 Display 3 13 3 5 2 Set Numeric Value 3 13 3 5 3 Select Setting Value 3 14 3 5 4 Set Frequency 3 14 3 5 5 Set Amplitude and DC Offset 3 15 3 5 6 Select Waveform 3 16 3 5 7 Select Oscillation Mode 3 16 3 5 8 Select Output On Off 3 17 ...

Страница 24: ...3 1 Panel Part Names and Operations DF1906 3 2 3 1 Panel Part Names and Operations This section describes the front panel and rear panel part names and operations of the DF1906 ...

Страница 25: ...umeric value Also used to set the numbers on the left and right of the cursor to zero 3 5 2 Set Numeric Value Set less frequently changed parameters for example selecting the setting memory and displaying the serial number 4 3 Special Menu Remote control from a PC or other device via USB 5 USB Interface Increase decrease the number under the cursor when setting a numeric value and select a setting...

Страница 26: ...Rear Panel DF1906 3 4 Blank ...

Страница 27: ... Figure 3 2 Rear Panel To install with the rear panel facing down be sure to raise the legs 2 2 Installation Nomenclature plate Certification label Power inlet POWER Switch The upper position is on The lower position is off ...

Страница 28: ...Rear Panel DF1906 3 6 Blank ...

Страница 29: ...er outlet with a protective ground contact Before connecting the power cord check that the power switch is off When turning the power off and then back on wait at least 5 seconds before turning the power back on When turning the power off and then back on wait at least 5 seconds before turning the power back on If turning on and off is repeated in a short time the equipment may malfunction Take th...

Страница 30: ...fied If this message is displayed frequently the battery must be replaced for a fee Contact NF Corporation or one of our agents If this message is displayed the settings are initialized and the system is restarted Initialization Details 3 2 3 Initial Settings Other errors 6 1 Error Messages If there is no error when the power is turned on the settings when the power was last turned off are automat...

Страница 31: ...try 50 Cursor position 1 digit Square wave duty ratio 50 Cursor position 1 digit Arbitrary waveform Select number 1 Arbitrary waveform data All 0 Oscillation mode Continuous Oscillation Mark wave number 1 0 Cursor position 1 digit Space Wave Number 1 0 Cursor Position 1 digit SYNC OUT PHASE Phase 0 ﾟ Cursor position 1 ﾟ digit TRIG IN Polarity Trigger Fall TRIG IN Polarity Gate Low level Special me...

Страница 32: ...Load Impedance 45 Ω or more State when Output Is Off Open when the output is off Do not short circuit the output and do not apply a signal from outside The DF1906 may be damaged About Output Limit If the output voltage exceeds 5 V open 2 5 V 50 Ω the output may be clipped depending on the relationship between the amplitude and DC offset setting values CAUTION FUNCTION OUT 10V Output Amplifier 50Ω ...

Страница 33: ... and do not apply a signal from outside The DF1906 may be damaged At Time of Continuous Oscillation The relationship between FUNCTION OUT signal and SYNC OUT signal at the time of continuous oscillation is as shown in the figure below Note SYNC OUT signal has a jitter of approx 150 ns p p under the following conditions Sine wave and square wave at less than 1 kHz Ramp wave ARB1 to ARB4 Square wave...

Страница 34: ...of Burst Trigger Gate Oscillation The relationship between FUNCTION OUT signal and SYNC OUT signal at the time of burst trigger gate oscillation is as shown in the figure below The following figure shows an example of trigger oscillation for the following wave Phase setting 0 waveform Ramp wave with symmetry equal to 50 and mark wave number 2 0 50 25 0 100 75 FUNCTION OUT SYNC OUT When SYNC OUT fu...

Страница 35: ... IN Figure 3 5 TRIG IN Input V oltage High Level 2 3 V Low Level 1 0 V Input V oltage Range 0 5 V to 5 5 V Minimum Pulse Width 200 ns Do not apply a voltage exceeding the above input voltage range The DF1906 may be damaged CAUTION Input Buffer 100 kΩ TRIG IN 3 3 V 3 3 V 1 5 kΩ ...

Страница 36: ...put connector of the equipment to connect with 50 Ω If the frequency is low it does not matter even if it is not terminated with 50 Ω Since the output impedance is 50 Ω the output voltage that is actually output varies depending on the load impedance Synchronous Output SYNC OUT The output impedance of SYNC OUT connector is 50 Ω High impedance when the output is off To maintain the waveform quality...

Страница 37: ...y When you turn the MODIFY dial the numeric value in the digit position where the cursor is displayed increases decreases However you cannot specify a value outside the setting range When the cursor is displayed on a subunit or unit position that subunit or unit can be changed Clear Numeric Value When the cursor is located in the value position in an item where a numeric value is set and when you ...

Страница 38: ... another one Example of an operation to set the frequency to 500 kHz Press the FREQUENCY key to enter the frequency setting mode Press the key to move the cursor to 100 kHz If the digit after 10 kHz is not zero press and release the TRIG CLEAR key quickly while holding down the key to clear the value Then press the key to move the cursor back to 100 kHz Turn the MODIFY dial to change 1 in 100 kHz ...

Страница 39: ...s When you operate the MODIFY dial any of the following operations is performed depending on the cursor position When the cursor is located in the value position the value in that digit position increases decreases When the cursor is located in the amplitude unit position Vp p Vrms display only when the waveform is a sine wave the units are toggled between Vp p peak peak voltage and Vrms effective...

Страница 40: ...tion in addition to the continuous oscillation When you press oscillation MODE key move the cursor to the oscillation mode display and turn the MODIFY dial the oscillation mode can be selected The oscillation mode is displayed as follows CONT Continuous oscillation Outputs the selected waveform continuously BRST Burst oscillation Repeats the mark wave number oscillation and space wave number stop ...

Страница 41: ...lected for trigger gate oscillation Select TRIG IN Polarity 4 2 5 Select TRIG IN Effective Polarity Trigger Oscillation 4 2 6 Select TRIG IN Effective Polarity Gate Oscillation 3 5 8 Select Output On Off To switch the output between on and off press output on off key OUTPUT This key performs toggle operation Press the key to toggle between on and off The current state ON or OFF is displayed on the...

Страница 42: ...DF1906 3 20 Blank ...

Страница 43: ... 1 Set Mark Wave Number 4 3 4 2 2 Set Space Wave Number 4 3 4 2 3 Select SYNC OUT Function 4 4 4 2 4 Set Phase 4 4 4 2 5 Select TRIG IN Effective Polarity Trigger Oscillation 4 5 4 2 6 Select TRIG IN Effective Polarity Gate Oscillation 4 5 4 3 Special Menu 4 6 4 3 1 Setting Memory 4 6 4 3 2 Select Output at Power On 4 7 4 3 3 Select Load 4 7 4 3 4 Set by High Level Low Level 4 8 ...

Страница 44: ...ty ratio setting value When you turn the MODIFY dial in this state the duty ratio setting can be changed You can select the digit where the setting is changed by moving the cursor position left and right using cursor movement keys keys Setting range 0 to 100 resolution 0 1 0 Fixed to low level 100 Fixed to high level no pulse When the duty ratio is other than 50 there is a jitter of approx 150 ns ...

Страница 45: ...ncrements of 0 5 for less than 128 and in increments of 1 for 128 or more 4 2 2 Set Space Wave Number When the burst oscillation is selected in the oscillation mode the space wave number can be changed Space wave number refers to the stop wave number for burst oscillation When you press oscillation mode select key MODE several times the cursor moves to the space wave number setting value When you ...

Страница 46: ... 2 4 Set Phase When any of the burst oscillation trigger oscillation gate oscillation is selected in the oscillation mode the phase can be changed When you press oscillation mode select key MODE several times Phase is displayed in the center of the lower line and the cursor moves to the phase setting value When you turn the MODIFY dial in this state the phase setting can be changed You can move th...

Страница 47: ... selected in the oscillation mode the effective polarity of the the TRIG IN input connector can be changed When you press oscillation mode select key MODE several times Gate is displayed in the center of the lower line and the cursor moves to the top of this display When you turn the MODIFY dial in this state the effective polarity of the TRIG IN input connector can be selected When Lo is selected...

Страница 48: ...mory is read and almost all the settings will change Setting memory 1 to 20 can be used When you store frequently used settings in each memory location you can switch between the settings by selecting the setting memory Clear Setting Memory Press special menu key SPECIAL to enter the memory selection mode Memory is displayed in the center of the lower line in the memory selection mode and the curs...

Страница 49: ...tions OPEN or 50 Ω is selected Press special menu key SPECIAL to enter the load selection mode Load is displayed in the cener of the lower line When you turn the MODIFY dial in this state the load can be selected NONE Use the voltage value with open load OPEN 50Ω Use the voltage value with 50 Ω termination 50 Ω In other than the load setting mode you can know which is selected by the display on th...

Страница 50: ...cted OFF Set display the output voltage by amplitude DC offset ON Set display the output voltage by high level low level In other than the voltage setting selection mode you can know which is selected by the display of the output voltage in the upper line A O Set display the output voltage by amplitude DC offset H L Set display the output voltage by high level low level Ｆ５０００００００００ｋＨｚＡ５０００Ｖｐ ...

Страница 51: ...view 5 6 5 3 1 1 Subsystem Commands 5 6 5 3 1 2 Path Separator 5 6 5 3 1 3 Command String Simplification 5 6 5 3 1 4 Suggestion Keyword 5 7 5 3 2 Detailed Explanation of Commands 5 7 5 4 Command Tree 5 15 5 5 Status System 5 16 5 5 1 Status Byte Register 5 17 5 5 2 Standard Event Status Register 5 18 5 6 Notes for Programming 5 19 ...

Страница 52: ...ble The installation file of this driver can be downloaded from the National Instruments Corporation website The following describes the operation procedure until the driver is installed １ Search for the VISA Run time Engine page at the National Instruments Corporation website or select VISAdriver downloads at the following URL http www ni com support visa ２ Download VISA Run time Engine from the ...

Страница 53: ...Rce VOLTage UNIT DC Offset SOURce VOLTage LEVel IMMediate OFFSet Output High Level SOURce VOLTage LEVel IMMediate HIGH Output Low Level SOURce VOLTage LEVel IMMediate LOW Waveform SOURce FUNCtion SHAPe Symmetry SOURce FUNCtion RAMP SYMMetry Duty Ratio SOURce PULSe DCYCle Select Arbitrary Waveform Number SOURce FUNCtion USER Transfer Arbitrary Waveform Data TRACe DATA DATA Oscillation Mode SOURce M...

Страница 54: ...tion is complete This equipment always returns 0 RST Reset Command Executes device reset This equipment performs the same process as the setting memory initialization SRE Service Request Enable Command Sets the service request enable resister SRE Service Request Enable Query Queries the setting of the service request enable resister STB Read Status Byte Query Queries the status byte and master sum...

Страница 55: ...is reached The transmitted commands are stored in the input buffer once and interpreted and executed one by one If an invalid command is found at the time of interpretation and execution an error occurs and the remaining commands are not executed When the interpretation and execution are finished the input buffer is cleared and the next commands can be input ...

Страница 56: ...oute Note that the colon at the top can be arbitrarily omitted If a semicolon is used to separate the command string the same level of subsystem command can be accessed without changing the current path Sets the current path as the route SOURce subsystem command SOURce is a route command FREQuency command belonging to the SOURce subsystem 5 3 1 3 Command String Simplification In the command struct...

Страница 57: ...each of the commands listed in Table 5 1 Meaning of Symbols Square brackets indicate the keyword that can be omitted Suggestion keyword Curly brackets enclose the parameter in the command string Vertical bar separates multiple keyword options Angle brackets indicate that a numeric value needs to be specified Remarks The DF1906 commands include both commands and queries Herein both are called comma...

Страница 58: ...other than the sine wave is selected an error occurs SOURce VOLTage UNIT VPP VRMS SOURce VOLTage UNIT Explanation Sets queries the display unit of the output voltage Parameter Output voltage display unit VPP VRMS Response Returns VPP or VRMS ex VOLT UNIT VPP Remark The Vrms setting is only valid when the sine wave is selected for the waveform type but when a waveform other than the sine wave is se...

Страница 59: ...tion Sets queries the low level voltage Parameter Low level V 5 000 5 V to 5 000 5 V Response Returns the set low level voltage in V Numeric data is transferred as ASCII byte in NR2 format ex VOLT LOW 5 000 SOURce FUNCtion SHAPe SINusoid RAMP SQUare USER1 USER2 USER3 USER4 DC SOURce FUNCtion SHAPe Explanation Sets queries the output waveform type Parameter Output waveform type SINusoid Sine wave R...

Страница 60: ...URce PULSe DCYCle Explanation Sets queries the duty ratio of the square wave Parameter Duty ratio 0 0 0 to 100 0 100 Response Returns the set duty ratio in Numeric data is transferred as ASCII byte in NR2 format ex PULS DCYC 50 0 SOURce FUNCtion USER arb number SOURce FUNCtion USER Explanation Sets queries the arbitrary waveform number for transferring the arbitrary waveform data Parameter Arbitra...

Страница 61: ...veform data TRAC 48192 Note The length of the waveform data that can be transferred at one time is fixed to 4096 words Transfer a 4096 word binary data block SOURce MODE CONT BRST TRIG GATE SOURce MODE Explanation Sets queries the oscillation mode Parameter Oscillation mode CONT Continuous oscillation BRST Burst oscillation TRIG Trigger oscillation GATE Gate oscillation Response Returns any of CON...

Страница 62: ...OURce PHASe phase SOURce PHASe Explanation Sets queries the oscillation stopping phase for burst oscillation etc Parameter Phase deg 180 0 180deg to 180 0 180deg Response Returns the set phase in deg Numeric data is transferred as ASCII byte in NR2 format ex PHAS 90 0 OUTPut SYNC TYPE PHASe STATe OUTPut SYNC TYPE Explanation Sets queries the SYNC OUT output type Parameter PHASe Waveform synchronou...

Страница 63: ...Rce BURSt GATE POLarity NORMal INVerted SOURce BURSt GATE POLarity Explanation Sets queries the level where the gate input is validated Parameter NORMal HIGH INVerted LOW Response Returns NORM or INV ex BURS GATE POL NORM OUTPut STATe OFF ON OUTPut STATe Explanation Sets queries the output on off Parameter OFF Output off ON Output on Response Returns 0 OFF or 1 ON ex OUTP 1 MEMory STATe DELete Exp...

Страница 64: ...Returns any of POFF PON and LAST ex SYST PON POFF OUTPut IMPedance 0 1 OUTPut IMPedance Explanation Sets queries the load impedance for converting the amplitude DC offset Hi Lo level display value Parameter 0 open 1 50 Ω Response Returns 0 or 1 ex OUTP IMP 1 SYSTem ERRor Explanation Queries the error state Parameter None Response Returns the error number Returns 0 if no error occurred Error Number...

Страница 65: ...mand Tree SOURce VO LTag e PULS e PHAS e MODE FUNCtion FREQu ency BURSt DCYCle LELVel UNIT SHAPe USER RAMP CW FIXed GAT E SPACes NCYCles POL arity IMMediate HIGH OFFSet LOW AMPLitu de SYMMetry TRAce D ATA MEMory TRIGger OUTPut SYSTem DATA STATe DELete SEQ uenc e IMMediate SLO Pe STATe SYNC IMPeda nce TYPE PON ERRor OUTut ...

Страница 66: ...5 2 shows a status system of the DF1906 Figure 5 2 Status System PON URQ CME EXE DDE QYE RQS OPC 7 6 5 4 3 2 1 0 Logical OR Standard Event Status Resister Standard Event Status Enable Resister Generate service request Status Byte Resister Service Request Enable Resister 7 6 5 4 3 2 1 0 7 RQS MSS ESB MAV 3 2 1 0 Logical OR ...

Страница 67: ...ESB Event Status Bit acts as the summary bit of the standard event status resistor When any of the valid bits of the standard event status resistor is set to 1 this is set to 1 and when all bits are set to 0 this is cleared to 0 MAV 4 16 When a response to the query is written to the response message queue and is ready for output MAV Message Available Bit is set to 1 When the response message queu...

Страница 68: ...t Status Register Bit Weight Description PON 7 128 Power on bit This is set to 1 at power on When this is cleared to 0 by reading the register it remains 0 until the power is turned back on PON 6 64 User request bit Always 0 unused CME 5 32 Command error When there is a syntax error in the program code this is set to 1 EXE 4 16 Execution error When the parameter is outside the setting range or whe...

Страница 69: ...m data is a binary data block so transfer it separately from the proceeding command part of the ASCII program message Be sure to specify 4096 words 8192 bytes when transferring the arbitrary waveform data If the data exceeds or falls short of that size an error occurs or a correct waveform cannot output Note for Sending Commands from USB Interface When sending a command LF 0AH must be added as a p...

Страница 70: ...DF1906 5 20 Blank ...

Страница 71: ...DF1906 6 1 6 Troubleshooting 6 1 Error Messages 6 2 6 1 1 Errors at Power On 6 2 6 1 2 Errors of Remote Control via USB 6 2 6 2 Troubleshooting 6 3 ...

Страница 72: ...tialized and started again 6 1 2 Errors of Remote Control via USB Error Message Error Content ERR01 LIMIT OVER Set parameter is out of the setting range ERR02 HEADER ERROR Set command string name is invalid ERR03 SYNTAX ERROR Set parameter number is invalid Set parameter data format is invalid Parameter is missing Set command string format is invalid Query function for the command used for a query...

Страница 73: ...e is used Use a power source within the rated range Malfunction due to external noise etc Install the equipment in a location with good environmental conditions Panel operation is not possible Key or MODIFY dial is deteriorated Contact NF Corporation or one of our agents for repair Output value is abnormal Warm up is not sufficient Allow the equipment to warm up for at least 2 hours after power on...

Страница 74: ...DF1906 6 4 ...

Страница 75: ...7 2 7 4 How to Check Version Number 7 3 7 5 Performance Test 7 3 7 5 1 Frequency Accuracy Test 7 4 7 5 2 Amplitude Frequency Characteristic Test 7 4 7 5 3 Sine Wave Distortion Test 7 4 7 5 4 Square Wave Duty Ratio Test 7 4 7 5 5 Amplitude Accuracy Test 7 5 7 5 6 DC Offset Accuracy Test 7 5 7 6 Calibration 7 6 ...

Страница 76: ...e TrueRMS type accuracy within 0 2 Bandwidth 50 kHz or more AC voltmeter wide band type TrueRMS type relative accuracy within 0 2 Bandwidth 10 MHz or more DC voltmeter Accuracy within 0 01 Distortion meter Full scale 0 1 or less frequency range 100 kHz or more 7 2 Daily Maintenance Install the DF1906 in a location that satisfies the installation conditions Installation Conditions Installation Cond...

Страница 77: ...a performance test check the following points The voltage of the power line is 100 V to 240 V AC 10 however 250 V or less The ambient temperature is within 23 5 The ambient humidity is within 20 to 70 RH No condensation Warming up for at least 2 hours Observe the following points when performing a performance test When use of a coaxial cable is specified use a coaxial cable with a characteristic i...

Страница 78: ...Hz or less 1 dB 3 dB 100 kHz to 2 MHz Pass 7 5 3 Sine Wave Distortion Test Connection FUNCTION OUT Distortion meter 50 Ω termination Use a coaxial cable Setting Amplitude 10 Vp p open after initializing the settings Measurement Change the frequency and measure the distortion Set the frequency bandwidth of the distortion meter to 500 kHz or less Judgment 0 1 or less 10 kHz or less 0 2 or less 10 kH...

Страница 79: ...rms 1 9794Vrms to 2 0206Vrms 1 5 Vrms 1 4819Vrms to 1 5181Vrms 1 0Vrms 0 9844Vrms to 1 0156Vrms 0 5 Vrms 0 4869Vrms to 0 5131Vrms 0 0Vrms 0 0000Vrms to 0 0106Vrms 7 5 6 DC Offset Accuracy Test Connection FUNCTION OUT DC voltmeter no 50 Ω termination Setting DC mode after initializing the settings Measurement Change the DC offset setting and measure the DC output voltage Judgment Within the rating ...

Страница 80: ...rformance test results do not satisfy the standards NF Corporation will perform adjustment or calibration to restore the original performance If calibration is required contact NF Corporation or one of our agents Charges apply for the calibration service ...

Страница 81: ...nd Output Characteristics 8 2 8 2 Output Voltage 8 4 8 3 Other Functions 8 5 8 4 Details of Initialization 8 6 8 5 General Specifications 8 7 Values indicating the accuracy range are guaranteed values Values without accuracy are typical values ...

Страница 82: ...etting resolution 0 1 mHz Accuracy 25 ppm 0 0025 Aging 5 ppm year Ramp Wave symmetry variable Setting range 0 to 100 Setting resolution 0 1 Other Oscillation stops while the setting is changed Square Wave duty ratio variable Setting range 0 to 100 Setting resolution 0 1 Other Oscillation stops while the setting is changed The pulse may disappear when the frequency setting is higher than the freque...

Страница 83: ... V DC offset 5 Vp p 50 Ω amplitude Total harmonic distortion 10 Hz to 10 kHz 0 1 or less bandwidth 500 kHz 10 kHz to 100 kHz 0 2 or less bandwidth 500 kHz Harmonic spectrum 100 kHz to 2 MHz 40 dBc Spurious 100 kHz to 2 MHz 50 dBc Square Wave waveform characteristics Square Wave continuous oscillation 50 Ω load 0 V DC offset 5 Vp p 50 Ω amplitude Rising Falling time 100 ns Overshoot 5 of the amplit...

Страница 84: ...w level are available for setting displaying 50 Ω load open conversion selectable Setting range 5 000 V open 0 001 V resolution However the output changes in 1 25 mVp p steps Accuracy 0 5 of setting 30 mV when DC is set for the waveform Mutual constraints of amplitude and DC offset If the output voltage exceeds 5V open the output waveform may clip High Level Low Level Setting range 5 000 V open 0 ...

Страница 85: ... increments Both mark and space wave numbers need to be integers Phase Oscillation start stop phase for Burst Trigger and Gate oscillation mode Setting range 180 0 Setting resolution 0 1 Resolution Trigger source Logical sum of the triggers by external trigger input panel key and remote interface External trigger input Trigger polarity Rise Fall for trigger oscillation mode selectable High level L...

Страница 86: ...ge at room temperature battery replacement is charged State at power on Almost all settings are restored to the state at power off Setting memory Stores almost all setting items Setting memory number 1 to 20 Settings initialize Function Set the default values for almost all setting items For the initial values refer to 8 4 Details of Initialization ...

Страница 87: ...906 8 7 8 4 Details of Initialization Details of Initialization Refer to Table 3 1 Initial Settings in 3 2 3 Initial Settings When Errors Occur in Event of Battery Depletion Refer to Table 3 1 Initial Settings in 3 2 3 Initial Settings ...

Страница 88: ... conditions Ambient temperature and humidity ranges Operation guarantee 5 to 35 C 5 to 85 RH however absolute humidity of 1 to 25 g m3 no condensing Storage 10 to 50 C 5 to 95 RH however absolute humidity of 1 to 29 g m3 no condensing Pollution degree 2 Insulation resistance 20 MΩ or more with 500 V DC between all power input terminals and chassis Withstand voltage AC 1500 V between all power inpu...

Страница 89: ...9 Figure 8 1 External Dimensions Diagram Surface Treatment Front P anel Plastic sheet ultra light gray Muns ell 6PB9 2 0 1 Rear Panel Paint light gray Muns ell 6PB7 6 1 2 semi gloss Cover Paint light gray Muns ell 6PB7 6 1 2 leather tone ...

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Страница 91: ...hout any charge for the parts and labor For repair service under warranty the product must be returned to either NF or an agent designated by NF Purchaser shall prepay all shipping charge duties and taxes for the product to either NF or the agent from another country and shipping charge for the return of the product to purchaser shall be paid by NF side This warranty shall not apply to any defect ...

Страница 92: ......

Страница 93: ...ised without notice Information provided in this manual is intended to be accurate and reliable However we assume no responsibility for any damage regarding the contents of this manual We assume no responsibility for influences resulting from the operations in this manual DF1906 INSTRUCTION MANUAL NF Corporation 6 3 20 Tsunashima Higashi Kohoku ku Yokohama 223 8508 JAPAN Phone 81 45 545 8111 Fax 8...

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Страница 96: ...http www nfcorp co jp NF Corporation 6 3 20 Tsunashima Higashi Kohoku ku Yokohama 223 8508JAPAN ...

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Содержание DF 1906

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NF DF 1906, Инструкция по эксплуатации

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Содержание DF 1906

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