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8.2 Analyzer Input Block

FRA5014

8-3

8.2 Analyzer Input Block

⚫

Number of channels

⚫

Input impedance

1 MΩ, 120 pF in parallel

⚫

Input voltage

Measurement range

±10 V

Non-destructive max. input ±24 V

⚫

Excessive input detection level

Detected by fundamental wave amplitude

Setting range

0.01 to 19.99 Vrms

Setting resolution

0.01 Vrms

Processing method

Beep sound output/sweep stop/oscillator off

⚫

Input weighting

For each channel,

Weighting coefficient: –1. 06 to +1. 06

Resolution: 6 digits or 0.01E

−

⚫

Measurement range

Auto switching

⚫

IMRR

At least 120 dB when the frequency is 1 Hz to 60 Hz and signal

source impedance



1 Ω

Attenuation when signal ground potential change (vs. case) is

mixed into the signal

⚫

Dynamic range

At least 120 dB

When the frequency is 1 Hz to 100 kHz, integration time



10 s

and



100 cycles

Signal magnitude ratio when 10 Vpeak signals are input to 3 of 4

channels while the remaining channel is terminated at a signal

source impedance of up to 1 Ω.

⚫

Isolation

Insulation voltage

42 Vpk or 30 Vrms, DC to 100 kHz continuous

Among each channel input in the analyzer block (signal, GND),

oscillator output (signal, GND), and the case

Case-to-oscillator

electrostatic capacitance

300 pF or less

Содержание FRA5014

Страница 1: ...NF Corporation SERVO ANALYZER FRA5014 Instruction Manual...

Страница 2: ......

Страница 3: ...SERVO ANALYZER FRA5014 Instruction Manual DA00019832 004...

Страница 4: ...uments is a trademark of National Instruments Corporation in U S A Lantronix is a trademark of Lantronix Inc in U S A Other company or product names are generally trademarks or registered trademarks o...

Страница 5: ...manual for the first time start from 1 OVERVIEW 1 OVERVIEW Briefly describes and explains the features applications and functions as well as brief operation principles of the FRA5014 2 PREPARATIONS B...

Страница 6: ...nnecting the power supply check that the voltage of the power outlet matches the rated power supply of the product In case of suspected anomaly If this product emits smoke an abnormal smell or abnorma...

Страница 7: ...ions that present a risk of electric shock under specific conditions Warning Symbol This symbol indicates information for avoiding danger to human life or bodily injury while handling this product Cau...

Страница 8: ...ettings at Power on 3 4 3 2 1 Checks before turning power on 3 4 3 2 2 Display at power on 3 5 3 2 3 Initial Settings 3 5 3 3 I O Terminals 3 7 3 3 1 Oscillator s output terminal 3 7 3 3 2 Analyzer s...

Страница 9: ...rror at power on 6 2 6 1 2 Remote control errors 6 3 6 2 Troubleshooting 6 4 7 MAINTENANCE 7 1 7 1 Introduction 7 2 7 2 Routine Checks 7 2 7 3 Storage Repackaging and Shipping 7 2 7 4 Checking the Ver...

Страница 10: ...Contents FRA5014 vi 8 7 General Items 8 6...

Страница 11: ...illator s Output Terminal 3 7 Figure 3 4 Analyzer s Input Terminals 3 8 Figure 3 5 Dielectric Insulation Voltage of I O Terminals 3 9 Figure 3 6 Connections with System Under Test 3 10 Figure 4 1 Conn...

Страница 12: ...s 3 6 Table 5 1 FRA5014 Subsystem Command List 5 7 Table 5 2 Common Command List 5 9 Table 5 3 Status Byte Register Definitions 5 30 Table 5 4 Contents of Standard Event Status Register 5 31 Table 5 5...

Страница 13: ...FRA5014 1 1 1 OVERVIEW 1 1 Features 1 2 1 2 Applications 1 2 1 3 List of Functions 1 3 1 4 Operation Principles 1 5...

Страница 14: ...r mechanical servo analysis and electrochemical impedance measurement Simultaneous 4 channel measurement 4 channels in the analyzer block simultaneously intake signals Measurement at low frequencies c...

Страница 15: ...n range CH3 CH1 Lower limit of acceptable gain range CH4 CH1 Upper limit of acceptable gain range CH4 CH1 Lower limit of acceptable gain range CH2 CH1 Upper limit of acceptable phase range CH2 CH1 Low...

Страница 16: ...FRA5014 1 4 Stored Store settings settings Read settings System Execute self calibration Initialize all settings Error reset Interface Select interface GPIB GPIB address USB Serial number RS 232 Parit...

Страница 17: ...sor controls the oscillator or analyzer based on the user s actions calculates the ratios of signal vectors obtained by the analyzer and outputs the data Employing a quartz resonator as its reference...

Страница 18: ...dified in size etc as needed by a signal conditioner then are converted to digital signals by an A D analog to digital converter The sub processor performs multiplication and integration operations us...

Страница 19: ...cking Before Use 2 2 2 2 Installation 2 3 2 2 1 General precautions for installation 2 3 2 2 2 Installation conditions 2 3 2 2 3 Rack mount 2 4 2 3 Grounding and Power Supply Connections 2 9 2 4 Simpl...

Страница 20: ...can be stored in CSV format displayed in various types of graphs and the main parameters of the data can be easily modified This manual does not include instructions on using all of the contents of t...

Страница 21: ...itions Install the FRA5014 in a location that meets the following conditions for temperature and humidity ranges Performance guarantee 5 to 35 C 5 to 85 RH Absolute humidity of 1 to 25 g m3 with no co...

Страница 22: ...o a rack mount Always install supports such as rack rails for the FRA5014 Otherwise the FRA5014 may fall from the rack causing possible injury to others or damage to the FRA5014 Make sure the rack has...

Страница 23: ...sed Rack Removable handle Attaches to rack here Surface treatment Rack mount adapter Ultra light gray Munsell 6 OPB9 2 0 1 Caution When inserting into rack do not use only the rack mount adapter to fa...

Страница 24: ...nt Inch Based Rack Attaches to rack here Surface treatment Rack mount adapter Ultra light gray Munsell 6 OPB9 2 0 1 Caution When inserting into rack do not use only the rack mount adapter to fasten Al...

Страница 25: ...t of Rack Mount Adapter mm Based Figure 2 4 Attachment of Rack Mount Adapter Inch Based Rack mount adapter attachment steps Remove the two screws per side from the front panel Use the screws in the ra...

Страница 26: ...2 2 Installation FRA5014 2 8 Figure 2 5 Removal of Feet...

Страница 27: ...RA5014 from possible damage make sure the power outlet s voltage is within the FRA5014 s power supply voltage range before connecting to the power source The FRA5014 operates under the following comme...

Страница 28: ...loscope as follows Input impedance 1 M Input sensitivity 2 V DIV Sweep rate 0 2 ms DIV Trigger level 0 V 6 Check the oscillator s output waveform Enter the remote command FREQ 2000 to set the frequenc...

Страница 29: ...rmance Test should be performed at least once a year A performance test should be done before using the FRA5014 for important measurements or tests If the rated values are not met during the performan...

Страница 30: ......

Страница 31: ...on 3 4 3 2 2 Display at power on 3 5 3 2 3 Initial Settings 3 5 3 3 I O Terminals 3 7 3 3 1 Oscillator s output terminal 3 7 3 3 2 Analyzer s input terminals 3 8 3 3 3 Isolation of signal terminals 3...

Страница 32: ...is on 4 MEASURE lamp This lamp is on during measurements 5 CALIBRATION lamp This lamp is on during self calibration 6 ERROR lamp This lamp is on during when a command error output overcurrent overload...

Страница 33: ...16 Grounding terminal for measurements This is connected to the case The system under test s shield or fixed potential is used 17 Analyzer input terminals The maximum input voltage is 10 V and each si...

Страница 34: ...ug pin of the mains supply cord Before connecting the mains supply cord make sure the power switch is set to off After turning off the FRA5014 wait at least three seconds before turning it on again Wa...

Страница 35: ...in the battery backup the settings from when the unit was last turned off are restored When the above self check is completed normally a signal check and self calibration are performed During these op...

Страница 36: ...CH1 0 01 to 19 99 Vrms 19 99 Vrms Detection level CH2 0 01 to 19 99 Vrms 19 99 Vrms Detection level CH3 0 01 to 19 99 Vrms 19 99 Vrms Detection level CH4 0 01 to 19 99 Vrms 19 99 Vrms Response ERROR...

Страница 37: ...A5014 If the maximum output current is exceeded the ERROR lamp may go on Output voltage restriction If the composite voltage from the AC amplitude and DC bias settings exceeds 10 V open output clippin...

Страница 38: ...the input terminal is cut off from the internal circuits including the external conductor ground and is set as open Figure 3 4 Analyzer s Input Terminals Operations during overload input The ERROR la...

Страница 39: ...42 Vpk Figure 3 5 Dielectric Insulation Voltage of I O Terminals Do not apply any signal exceeding 42 Vpk between insulated parts Doing so may damage the FRA5014 Other connector s external conductor g...

Страница 40: ...t the transfer functions gain phase frequency response is measured between paired points A B A C and A D in the system under test Figure 3 6 Connections with System Under Test The grounding terminal o...

Страница 41: ...between changing oscillation frequency and starting measurement as 0 seconds MEAS INT TIME 0 1 Sets integration time as 0 1 second MEAS INT CYC 10 Sets integration cycles as 10 cycles The actual integ...

Страница 42: ...gration time cycle is the larger between the set integration time and the integration cycle and is set as an integer cycle period VOLT OUTP 2 Sets oscillator output as on Measurement example SWE MEAS...

Страница 43: ...FRA5014 4 1 4 ADVANCED OPERATIONS 4 1 Accept Reject Criteria 4 2 4 1 1 Accept reject range settings 4 2 4 2 Servo System Measurements 4 3...

Страница 44: ...imit for CH4 CH1 Gain judgment lower limit Set this using the remote command SENS DATA SPOT LIM GAIN MIN parameter 1 parameter 2 parameter 3 Parameter 1 Sets gain judgment lower limit for CH2 CH1 Para...

Страница 45: ...onnected to the FRA5014 the system under test may have abnormal operations due to oscillation etc The analyzer s input and the oscillator s output each have several hundreds pF of floating capacitance...

Страница 46: ...nal ground fluctuates the FRA5014 s dielectric insulation voltage may be exceeded or common mode noise may occur which can adversely affect measurements If this is suspected use an oscilloscope etc to...

Страница 47: ...he shift power use a battery etc that has a low internal resistance When there is a large gap among signal levels a shift power supply should be set up for each channel to prevent interference between...

Страница 48: ......

Страница 49: ...B address setting 5 5 5 1 7 GPIB use precautions 5 6 5 2 Command Lists 5 7 5 3 Command Tree 5 11 5 4 Command Descriptions 5 12 5 4 1 Overview of programming language 5 12 5 4 2 Detailed description of...

Страница 50: ...oration web site and either search for the VISA Run time Engine page or go to the following URL and select VISA driver downloads http www ni com support visa 2 Download the VISA Run time Engine from t...

Страница 51: ...h RS 232 2 Specifications Parity None even or odd Stop bits 1 bit or 2 bits Baud rate 1200 4800 9600 or 38400 Data has fixed length of 8 bits flow control is fixed as xon xoff 3 Connection with person...

Страница 52: ...hes on the rear panel to select the interface and the communication settings The factory setting for the DIP switches is that only SW7 is set to 1 and all other switches are set to 0 GPIB address 2 Fi...

Страница 53: ...endor No Vendor ID 3402 0x0D4A Indicates NF Corporation Expressed in decimal hexadecimal notation Product number Product ID 18 0x0012 Indicates FRA5014 Serial number Serial Manufacturer s number Uniqu...

Страница 54: ...ces that are connected to the bus Up to 15 devices including the controller can be connected to the bus via the GPIB The following cable length restrictions apply Total cable length 2 m number of devi...

Страница 55: ...grate TIME SENSE subsystem Read sweep measurement data SENSe DATA SWEep DATA ALL Select and read sweep measurement data SENSe DATA SWEep DATA SELected Read sweep measurement points SENSe DATA SWEep PO...

Страница 56: ...le register STATus OPERation ENABle Operation event register STATus OPERation EVENt Operation transition filter 1 0 STATus OPERation NTRansition Operation transition filter 0 1 STATus OPERation PTRans...

Страница 57: ...processing has been completed When queried a 1 is returned when all processing has been completed RCL Recall command Switches setting according to data in setting memory RST Reset command Resets devi...

Страница 58: ...ed If an illegal command is found during interpretation or execution subsequent commands are not executed When interpretation and execution are completed the input buffer is cleared so that the next c...

Страница 59: ...ort ALL SELected INPut 1 2 3 4 VOLTage OVERload LEVel RESPonse GAIN MEASure DELay TIME INTegrate CYCle TIME SOURce FREQuency IMMediate SWEep MEASure SPACing TYPE POINt LEVel MAXimum MINimum VOLTage OU...

Страница 60: ...a semicolon is used as a separator in a command string access to subsystem commands on the same level is enabled without having to change the current path 5 4 1 3 Simplification of command strings In...

Страница 61: ...o or more selectable key words Angle brackets indicate when a parameter numerical value text string etc must be specified Parameter data format Symbol Format Example NR1 Integer numerical value 123 NR...

Страница 62: ...ESE std_event_enable Description Sets or queries contents of the standard event status enable register Parameter std_event_enable Register contents format NR1 range 0 to 255 For details 5 5 3 Standard...

Страница 63: ...escription Switches to recalls the data stored in setting memory for the settings to be measured Parameter setting_memory memory number format NR1 range 0 Setting example RCL 0 RST Description Resets...

Страница 64: ...and sequential command A command such that subsequent commands can be executed while the current command is being executed is referred to as an overlap command A command such that subsequent commands...

Страница 65: ...EVel over_level INPut 1 2 3 4 VOLTage OVERload LEVel Description Sets or queries the overload input detection level At the start of this command INPut1 is specified for CH1 INPut2 for CH2 INPut3 for C...

Страница 66: ...5 MEASure DELay TIME delay MEASure DELay TIME Description Sets or queries the measurement delay time Parameter delay measurement delay time format NR2 range 0 00 to 999 99 unit s Setting example MEAS...

Страница 67: ...45E 03 1 23456E 00 SENSe DATA SPOT DATA SELected freq gain_ch2 phase_ch2 gain_ch3 phase_ch3 gain_ch4 phase_ch4 Description Outputs only the specified items up to 7 items of the spot measurement result...

Страница 68: ...Gain judgment lower limit CH2 CH1 Range 199 99 to 199 99 2nd parameter gain_lower_limit_ch3 Gain judgment lower limit CH3 CH1 Range 199 99 to 199 99 3rd parameter gain_lower_limit_ch4 Gain judgment l...

Страница 69: ...upper limit Response 2 CH2 CH1 phase judgment results 1 NG if below lower limit 0 SUCCESS 1 NG if above upper limit Response 3 CH3 CH1 gain judgment results 1 NG if below lower limit 0 SUCCESS 1 NG if...

Страница 70: ...ion Outputs only the specified items up to 7 items among the sweep measurement results 1st parameter freq Frequency output setting 0 No output 1 Output 2nd parameter gain_ch2 CH2 CH1 gain output setti...

Страница 71: ...0 Response freq_current Query example FREQ Response example 1 0000E 03 SOURce SWEep MEASure measure_operation SOURce SWEep MEASure Description Specifies a sweep or spot measurement or queries its stat...

Страница 72: ...limit frequency format NR3 range 0 11E 03 to 100 00E 03 unit Hz Setting example SWE MAX 100 kHz Response freq_max Query example SWE MAX Response example 100 00E 03 SOURce SWEep LEVel MINimum freq_min...

Страница 73: ...d as having the unit value set by the VOLTage UNIT setting However if a numerical value includes a suffix VRMS or VPK it is interpreted according to the suffix regardless of the VOLTage UNIT setting P...

Страница 74: ...Response Register contents format NR1 range 0 to 32767 For details 5 5 4 Operation status Query example STAT OPER COND Response example 0 STATus OPERation ENABle opee STATus OPERation ENABle Descript...

Страница 75: ...sition_pos Positive transition filter format NR1 range 0 to 65535 For details 5 5 4 Operation status Setting example STAT OPER NTR 32767 Setting example STAT OPER PTR 0 Response transition_neg Respons...

Страница 76: ...rmat SRD For details 6 1 2 Remote control errors Query example SYST ERR Response example 0 No error SYSTem OVERload RELease Description This cancels releases an error Examples of errors to be canceled...

Страница 77: ...t enable register 7 6 5 4 3 2 1 0 OPE RQS MSS ESB MAVQUE 2 1 OVE Logical OR OR Operation event register Operation event enable register OR Standard event status register Standard event status enable r...

Страница 78: ...When a response to query is prepared and can be output When all responses are output and there are no more responses left to be output QUE 3 8 Always 0 not being used 2 4 Always 0 not being used 1 2 A...

Страница 79: ...ed CME 5 32 Command error 1 is set when a program code syntax error occurs EXE 4 16 Execution error 1 is set when a parameter is outside the setting range or when settings are contradictory DDE 3 8 De...

Страница 80: ...red to 0 immediately after power on However 1 is set to the PON bit ESE ESE This sets or queries the standard event status enable register Set 0 to clear the enable register to zero There are no other...

Страница 81: ...r the corresponding operation event register bits become valid and when 1 is set to any valid bit 1 is also set to the OPE bit in the status byte Figure 5 5 Structure of Operation Status Always 0 not...

Страница 82: ...n filter register STATus OPERation PTRansition STATus OPERation PTRansition This sets or queries the positive transition filter register Set 0 to clear these filter register to zero There are no other...

Страница 83: ...OR lamp is ON CH3 3 8 Overload input was detected at CH3 ERROR lamp is ON CH2 2 4 Overload input was detected at CH2 ERROR lamp is ON CH1 1 2 Overload input was detected at CH1 ERROR lamp is ON OUTP 0...

Страница 84: ...to zero The event register can also be cleared by the CLS command The register is cleared to 0 immediately after power on The parameters in setting messages or response messages for each register are...

Страница 85: ...FRA5014 6 1 6 TROUBLESHOOTING 6 1 Error Displays 6 2 6 1 1 Error at power on 6 2 6 1 2 Remote control errors 6 3 6 2 Troubleshooting 6 4...

Страница 86: ...a sales representative Self calibration starts while ERROR lamp remains on Contents saved by battery backup are lost Backup battery is depleted Backup memory fault Temporary internal data error such a...

Страница 87: ...erflow A newly occurred error cannot be retained due to error queue overflow 370 Invalid max min Settings enabled as upper limit and lower limit settings were reversed 371 OSC AC DC 10 5 V Oscillator...

Страница 88: ...ommand VOLT OUTP 2 Otherwise set value is not reflected in output Vrms and Vpeak units are incorrect Select Vrms and Vpeak correctly Low load impedance load is divided with FRA5014 s output impedance...

Страница 89: ...n Number 7 3 7 5 Checking Isolation 7 3 7 6 Checking Oscillator s Output Waveform 7 3 7 7 Performance Test 7 3 7 7 1 Frequency accuracy test 7 4 7 7 2 Oscillator AC amplitude accuracy test 7 4 7 7 3 O...

Страница 90: ...ency band 100 kHz or higher DC voltmeter Accuracy 0 1 or higher Resistance meter tester Measurement range 10 M or higher 7 2 Routine Checks Use the FRA5014 where the installation satisfies the conditi...

Страница 91: ...est is part of preventive maintenance aimed at preventing degradation of performance in the FRA5014 The performance test should be implemented during the FRA5014 s acceptance inspection during regular...

Страница 92: ...100 kHz 4 of set value 21 mVrms 7 07 Vrms 6 9216 to 7 2184 Vrms 6 7662 to 7 3738 Vrms 3 0 Vrms 2 933 to 3 067 Vrms 2 859 to 3 141 Vrms 1 5 Vrms 1 463 to 1 537 Vrms 1 419 to 1 581 Vrms 0 7 Vrms 0 679 t...

Страница 93: ...ance of 50 Setting After initializing settings set frequency lower limit as 10 Hz frequency upper limit as 100 kHz frequency points as 100 integration cycle as 1 integration time as 0 10 s AC amplitud...

Страница 94: ...tor and external conductor then apply a signal between the input connector and the case Input a drive signal to the other channels Setting After initializing settings set the frequency as 60 Hz the in...

Страница 95: ...e output Measurement Perform a sweep measurement and read the results If there is strong electromagnetic interference in the area certain frequencies may not be within their rated ranges In such cases...

Страница 96: ......

Страница 97: ...lock 8 2 8 2 Analyzer Input Block 8 3 8 3 Analysis Processing Block 8 4 8 4 Measurement Processing Block 8 4 8 5 Setting Memory 8 4 8 6 Remote Control Interface 8 5 8 7 General Items 8 6 Values withou...

Страница 98: ...Vpeak is prescribed as a peak value converted from a measured Vrms value When output is open DC bias Setting range 10 V to 10 V Setting resolution 0 01 V Accuracy 0 5 of set absolute value 30 mV 2 of...

Страница 99: ...09 Measurement range Auto switching IMRR At least 120 dB when the frequency is 1 Hz to 60 Hz and signal source impedance 1 Attenuation when signal ground potential change vs case is mixed into the sig...

Страница 100: ...1 to 999 99 s Ratio accuracy Gain 0 05 dB 0 5 phase 0 3 deg When the frequency is 0 1 Hz to 20 kHz Gain 0 15 dB 1 5 phase 1 deg Other than the above range Input signal level 10 mVrms When self calibra...

Страница 101: ...1 1 full speed RS 232 Parity none even odd Stop bit 1 bit 2 bits Baud rate 1 200 4 800 9 600 38 400 bps Data is fixed to 8 bit flow control is fixed to xon xoff For all I F message terminator is fixed...

Страница 102: ...p to 2 000 m above sea level Temperature and humidity ranges Performance guarantee Temperature 5 to 35 C Humidity 5 to 85 RH where absolute humidity is 1 to 25 g m3 with no condensation Operation guar...

Страница 103: ...up 1 Class A EN 61000 3 2 EN 61000 3 3 RoHS Directive 2011 65 EU External dimensions 434 W 88 H 403 D mm Projections are not included Weight Approximately 8 kg Accessories are not included Note Option...

Страница 104: ...ar view Detailed view of cover labels Surface treatment Front panel Plastic sheet ultra light gray Munsell 6PB9 2 0 1 Rear panel Munsell 8 5PB2 6 0 2 Covers Light gray leather tone Munsell 6PB7 6 1 2...

Страница 105: ...ct 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 design...

Страница 106: ...thout 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 responsib...

Страница 107: ...http www nfcorp co jp NF Corporation 6 3 20 Tsunashima higashi Kohoku ku Yokohama 223 8508 JAPAN...

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