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SIGLENT Remote Manual

57 SDM3045X

2.9.4 [SENSe:]CURRent:{AC|DC}:NULL:VALue:AUTO{ON|1|OFF|0}

[SENSe:]CURRent:{AC|DC}:NULL:VALue:AUTO?

Enables or disables automatic null value selection for AC or DC current measurements.

Note:This parameter is not shared between AC and DC measurements. The parameters

are independent for AC and DC measurements.

Parameter

Typical Return

{ON|1|OFF|0}

，

default ON

0 (OFF) or 1 (ON)

Using automatic selection of zero value to measure:

CURR:AC:NULL:VAL:AUTO ON

READ?

Typical Response

：

-4.67956379E-08,+2.33978190E-08



When automatic reference selection is ON, the first measurement made is used as

the null value for all subsequent measurements.

[SENSe:]CURRent:{AC|DC}:NULL:VALue will be set to this value. Automatic null

value selection will be disabled.



When automatic null value selection is disabled (OFF), the null value is specified by

this command: [SENSe:] CURRent:{AC|DC}:NULL:VALue.



The instrument enables automatic null value selection when the null function is

enabled ([SENSe:]CURRent:{AC|DC}:NULL:STATe ON).



This parameter is set to its default value after a Factory Reset or CONFigure function.

Содержание SDM3045X

Страница 1: ...Remote Manual SDM3045X Digital Mulimeter RC06034 E01A 2017 SIGLENT TECHNOLOGIES CO LTD...

Страница 2: ......

Страница 3: ...TCh 7 1 3 INITiate IMMediate 8 1 4 OUTPut TRIGger SLOPe 9 1 5 R 10 1 6 READ 11 1 7 SAMPle COUNt 12 1 8 UNIT TEMPerature C F K UNIT TEMPerature 13 System Command 14 2 1 CALCulate Subsystem 14 2 2 CALCu...

Страница 4: ...m readability use the long form For example consider the keyword VOLTage above You can type VOLT or VOLTage in any combination of upper or lower case letters Therefore VolTaGe volt and Volt are all ac...

Страница 5: ...oth the colon and semicolon TRIG COUN 2 SAMP COUN 2 Using the MIN MAX and DEF Parameters For many commands you can substitute MIN or MAX in place of a parameter In some cases you may also substitute D...

Страница 6: ...m functions such as reset self test and status operations Common commands always begin with an asterisk are three characters in length and may include one or more parameters The command keyword is sep...

Страница 7: ...ver the letter M or m For your convenience the instrument interprets mV or MV as millivolts but MHZ or mhz as megahertz Likewise M or m is interpreted as meg You can use the prefix MA for mega For exa...

Страница 8: ...none Abort a measurement in progress TRIG SOUR IMM Set the trigger source for immediate trigger TRIG COUN 10 Set the trigger source for 10 times INIT Set the trigger state for wait for trigger ABOR In...

Страница 9: ...igger source for immediate trigger TRIG COUN 10 Set the trigger source for 10 times INIT Set the trigger state for wait for trigger FETC Read the resulting measurement value The FETch query does not e...

Страница 10: ...in reading memory with INITiate is faster than sending measurements to the instrument s output buffer using READ provided you do not send FETCh until done The INITiate command is also an overlapped co...

Страница 11: ...VM Comp BNC connector Parameter Typical Return POSitive NEGative default NEGative none Configure DC voltage measurements and make two measurements The signal on the rear panel VM Comp connector will o...

Страница 12: ...08160033E 03 1 22469433E 03 Read and remove the three oldest readings TRIG COUN 3 INIT R 3 The R and DATA REMove queries allow you to periodically remove measurements from the reading memory that woul...

Страница 13: ...erase measurements from the reading memory You can send the query multiple times to retrieve the same data You can store up to 1 000 measurements in the reading memory of the SDM3055 If reading memory...

Страница 14: ...RIG SLOP POS Set the trigger output signal to rise READ Start the wheel measurement and reading You can use the specified sample count in conjunction with a trigger count TRIGger COUNt which sets the...

Страница 15: ...rameter Typical Return C F K default C C F or K Set to return the result in F UNIT TEMP F Set the temperature measurement unit in F MEAS TEMP Recovery temperature default configuration and read a set...

Страница 16: ...stogram data statistics and measurements Parameter Typical Return none none Clear all limits histogram data statistics and measurements CALC CLE IMM CALC CLE IMM The items cleared by this command are...

Страница 17: ...rements and indicates whether measurements were outside the range of 2 4 to 3 6 V Measurements above 3 6 V will set bit 12 Upper Limit Failed of the Questionable Status Register measurements below 2 4...

Страница 18: ...fered An event register is a read only register that latches events from the condition register While an event bit is set subsequent events corresponding to that bit are ignored Parameter Typical Retu...

Страница 19: ...oth Do not set the lower limit above the upper limit If the limit set is higher than the upper limit the limit value is set to the same limitwill force the same value Limit crossing If a measurement i...

Страница 20: ...N See Example The instrument clears front panel indications of limits being exceeded and clears bits 11 and 12 in the Questionable Data Register when the measurement function changes or when any of th...

Страница 21: ...ate CALCulate TRANsform HISTogram COUNt CALCulate TRANsform HISTogram DATA CALCulate TRANsform HISTogram POINts CALCulate TRANsform HISTogram RANGe AUTO CALCulate TRANsform HISTogram RANGe LOWer UPPer...

Страница 22: ...he DATA form returns only the bin data Parameter Typical Return none See Example See Example The bin data includes the following in order The number of measurements less than the lower range value The...

Страница 23: ...he histogram data CALC TRAN HIST CLE This command does not clear measurements in reading memory To clear statistics limits histogram data and measurement data use CALCulate CLEar IMMediate 2 3 3 CALCu...

Страница 24: ...xist one for measurements below the lower range and one for measurements above the upper range Parameter Typical Return 10 20 40 100 200 400 MIN MAX DEF default 100 100 See Example You can specify the...

Страница 25: ...he lower and upper range values automaticly OFF the lower and upper range values are specified by CALCulate TRANsform HISTogram RANGe LOWer UPPer Setting the lower or upper range value CALCulate TRANs...

Страница 26: ...er and upper range values CALCulate TRANsform HISTogram RANGe AUTO OFF Parameter Typical Return 1 0E 15 to 1 0E 15 or 0 0 default or 1 0E 15 to 1 0E 15 1 00000000E 06 See Example If automatic range va...

Страница 27: ...al 25 SDM3045X 2 3 7 CALCulate TRANsform HISTogram STATe ON 1 OFF 0 CALCulate TRANsform HISTogram STATe Enables or disables histogram computation Parameter Typical Return ON 1 OFF 0 default OFF 0 OFF...

Страница 28: ...be subtracted from the each voltage measurement after the measurement is converted to dBm Note This command applies only to ACV and DCV measurement functions Parameter Typical Return 200 0 dBm to 200...

Страница 29: ...g functions Note This command applies only to ACV and DCV measurement functions Parameter Typical Return 50 75 93 110 124 125 135 150 250 300 500 600 default 800 900 1000 1200 or 8000 6 00000000E 02 E...

Страница 30: ...to 1 milliwatt dBm 10 log10 measurement 2 reference resistance 1 mW Note This command applies only to ACV and DCV measurement functions Parameter Typical Return DB DBM DBorDBM Enable the DB scaling fu...

Страница 31: ...ference value CALC SCAL DBM REF 50 CALC SCAL FUNC DB CALC SCAL REF AUTO ON CALC SCAL STAT ON READ ON the first measurement made will be used as the reference for all subsequent measurements and automa...

Страница 32: ...Return ON 1 OFF 0 default ON 0 OFF or 1 ON Enable the DB function with automatic reference selection and use the first measurement as the reference value CALC SCAL DBM REF 50 CALC SCAL FUNC DB CALC SC...

Страница 33: ...lculates measurement statistics Command Summary CALCulate AVERage STATe CALCulate AVERage CLEar IMMediate CALCulate AVERage ALL CALCulate AVERage AVERage CALCulate AVERage COUNt CALCulate AVERage MAXi...

Страница 34: ...100 frequency measurements CONF FREQ SAMP COUN 100 CALC AVER STAT ON INIT CALC AVER ALL Typical Response 4 10466677E 04 3 13684184E 04 1 75743178E 02 6 74799085E 04 Statistics are cleared when the mea...

Страница 35: ...six queries listed above return individual values Parameter Typical Return none see below Return the statistics of 100 frequency measurements CONF FREQ SAMP COUN 100 CALC AVER STAT ON INIT CALC AVER...

Страница 36: ...none none Clear the stored statistical data CALC AVER CLE This command does not clear measurements in reading memory Statistics are cleared when the measurement function changes or when any of these...

Страница 37: ...nd All other parameters are set to their default values below If no range and sampling speed settings which will restore the default value Measurement Parameter Default Setting Autozero OFF Range AUTO...

Страница 38: ...r than sending measurements to the instrument s output buffer using READ provided you do not send FETCh until done The INITiate command is also an overlapped command This means that after executing IN...

Страница 39: ...an external trigger with positive slope rising edge and read the measurement CONF CONT TRIG SOUR EXT SLOP POS READ The range and resolution are fixed at 1 k for continuity tests a 2 wire resistance m...

Страница 40: ...range configuration ac current measurements Two measurement and reading CONF CURR AC 6 SAMP COUN 2 READ Typical Response 4 32133675E 04 4 18424606E 04 You can let autoranging select the measurement ra...

Страница 41: ...DIODe queries return the measured voltage regardless of its value Use READ or INITiate to start the measurement 2 6 5 CONFigure FREQuency PERiod Sets all measurement parameters and trigger parameters...

Страница 42: ...resolution Make and read two measurements CONF FRES 600 SAMP COUN 2 READ Typical Response 6 71881065E 01 6 83543086E 01 You can let autoranging select the measurement range or you can manually select...

Страница 43: ...defined sensor selection none type PT100 for RTD only choice or BITS90 EITS90 JITS90 KITS90 NITS90 RITS90 SITS90 TITS9 0 for THER can choose the sensor Configuration RTD measurement Then read measurem...

Страница 44: ...read two measurements CONF VOLT AC 600 SAMP COUN 2 READ Typical Response 2 43186951E 02 2 56896019E 02 You can let autoranging select the measurement range or you can manually select a fixed range Au...

Страница 45: ...d two measurements CONF CAP 2uF SAMP COUN 2 READ Typical Response 7 26141264E 10 7 26109188E 10 You can let autoranging select the measurement range or you can manually select a fixed range Autorangin...

Страница 46: ...en any of these commands is executed INITiate MEASure function READ Command Summary DATA LAST DATA POINts DATA REMove 2 7 1 DATA LAST Returns the last measurement taken You can execute this query at a...

Страница 47: ...IT Reads and erases num_readings measurements from the reading memory If fewer than num_readings measurements are available the query will return an error unless the WAIT parameter is specified in whi...

Страница 48: ...Sure TEMPerature MEASure VOLTage AC DC MEASure CAPacitance Default Settings for MEASure With the MEASure queries you can select the function range and resolution in one command All other parameters ar...

Страница 49: ...ntinuity measurements Then make and read one measurement MEAS CONT The range and resolution are fixed at 2 k for continuity tests a 2 wire resistance measurement The instrument beeps if the beeper is...

Страница 50: ...4 32133675E 04 4 18424606E 04 You can let autoranging select the measurement range or you can manually select a fixed range Autoranging conveniently selects the range for each measurement based on th...

Страница 51: ...mediately triggers a measurement The results are sent directly to the instrument s output buffer Parameter Typical Return none 9 84733701E 01 Configure make and read a default diode measurement MEAS D...

Страница 52: ...r 4 wire resistance FRESistance or 2 wire RESistance measurements and immediately triggers a measurement The results are sent directly to the instrument s output buffer Also specifies the stalls throu...

Страница 53: ...only choose the built in sensor manufacturers does not support user defined sensor selection none type PT100 only possible value for RTD or BITS90 EITS90 JITS90 KITS90 NITS90 RITS9 0 SITS90 TITS90 The...

Страница 54: ...e none Configure AC voltage measurements using the 600 V range Then make and read one measurement MEAS VOLT AC 600 Typical Response 2 43186951E 02 2 56896019E 02 You can let autoranging select the mea...

Страница 55: ...nd read one measurement MEAS CAP 2uF READ Typical Response 7 26141264E 10 For the Input terminals you can allow the instrument to select the measurement range by autoranging or you can select a fixed...

Страница 56: ...ment attributes are retained Parameter Typical Return CONTinuity CURRent AC CURRent DC DIODe FREQuency FRESistance PERiod RESistance TEMPerature VOLTage AC VOLTage DC CAPacitance The default is VOLTag...

Страница 57: ...ared between AC and DC measurements The parameters are independent for AC and DC measurements Parameter Typical Return ON 1 OFF 0 default OFF 0 OFF or 1 ON Configure AC current measurements using the...

Страница 58: ...000E 01 Configure AC current measurements using the null function to subtract 100 mA from the measurements Then make two measurements and send them to the instrument s output buffer CONF CURR AC CURR...

Страница 59: ...CURR AC NULL VAL AUTO ON READ Typical Response 4 67956379E 08 2 33978190E 08 When automatic reference selection is ON the first measurement made is used as the null value for all subsequent measuremen...

Страница 60: ...AUTO default is AUTO autorange 2 00000000E 01 Configure AC current measurements using the 2 A range Make and read two measurements CONF CURR AC CURR AC RANG 2 SAMP COUN 2 READ Typical Response 3 53049...

Страница 61: ...85E 06 With autoranging enabled the instrument selects the range based on the input signal This parameter is set to its default value after a Factory Reset 2 9 7 SENSe CURRent AC DC NPLC PLC MIN MAX D...

Страница 62: ...sables the null function for frequency and period measurements This parameter is shared between frequency and period measurements Parameter Typical Return ON 1 OFF 0 default OFF 0 OFF or 1 ON Configur...

Страница 63: ...1 00000000E 02 Configure frequency measurements using the null function to subtract 1kHz from the measurements Make and read two measurements FREQ NULL STAT ON VAL 1 kHz SAMP COUN 2 READ Typical Respo...

Страница 64: ...D Typical Response 1 15953012E 02 1 07954466E 02 When automatic reference selection is ON the first measurement made is used as the null value for all subsequent measurements SENSe FREQuency PERiod NU...

Страница 65: ...6 V 60 V 600 V 750V default 60V 6 00000000E 01 Configures frequency measurements using the 60 VAC range Make and read two measurements CONF FREQ FREQ VOLT RANG 60 SAMP COUN 2 READ Selecting a fixed ra...

Страница 66: ...and period measurements Parameter Typical Return ON 1 OFF 0 default ON 0 OFF or 1 ON Configure frequency measurements and perform an immediate AC voltage autorange Make and read two measurements CONF...

Страница 67: ...nce NPLC PLC MIN MAX DEF SENSe RESistance FRESistance NPLC MIN MAX DEF Sets the integration time in number of power line cycles PLC for all alternating current measurements Integration time is the per...

Страница 68: ...gure 2 wire resistance measurements using the null function to remove 100 m of wiring resistance Make and read two measurements CONF RES RES NULL STAT ON VAL 0 1 SAMP COUN 2 READ Enabling the scaling...

Страница 69: ...e measurements using the null function to remove 100 m of wiring resistance Make and read two measurements CONF RES RES NULL STAT ON VAL 0 1 SAMP COUN 2 READ Typical Return 1 04530000E 02 1 04570000E...

Страница 70: ...762E 02 When automatic reference selection is ON the first measurement made is used as the null value for all subsequent measurements SENSe RESistance FRESistance NULL VALue will be set to this value...

Страница 71: ...6 k 60 k 600 k 6 M 60 M 100 M default 6k 6 00000000E 03 Configure 2 wire resistance measurements using the 6 k range Then make and read one measurement CONF RES RES RANG 6000 SAMP COUN 2 READ Selectin...

Страница 72: ...ifying ONCE performs an immediate autorange and then turns autoranging off Parameter Typical Return ON 1 OFF 0 default ON 0 OFF or 1 ON Configure 2 wire resistance measurements and perform an immediat...

Страница 73: ...re UDEFine MDEFine THER RTD TRANsducer POINt 2 9 19 SENSe TEMPerature NULL STATe ON 1 OFF 0 SENSe TEMPerature NULL STATe Enables or disables the null function for temperature measurements Parameter Ty...

Страница 74: ...Typical Return 1 0E15 to 1 0E15 default 0 0 00000000E 00 Use the null function to subtract 25 TEMP NULL STAT ON VAL 25 Specifying a null value disables automatic null value selection SENSe TEMPerature...

Страница 75: ...tion is ON the first measurement made is used as the null value for all subsequent measurements SENSe TEMPerature NULL VALue will be set to this value Automatic null value selection will be disabled W...

Страница 76: ...current effective sensor TEMP TRAN Typical Response PT100 2 9 23 SENSe TEMPerature UDEFine MDEFine THER RTD TRANsducer LIST Query user defined manufacturer curing RTD THER sensor list Parameter Typic...

Страница 77: ...ine MDEFine THER RTD TRANsducer LIST This command will respond to the default sensor KITS90 after a Factory Reset 2 9 25 SENSe TEMPerature UDEFine MDEFine THER RTD TRANsducer POINt Inquiry definition...

Страница 78: ...ements Note This parameter is not shared between AC and DC measurements The parameters are independent for ACand DC measurements Parameter Typical Return ON 1 OFF 0 default OFF 0 OFF or1 ON Configure...

Страница 79: ...V default 0 1 00000000E 01 Configure AC voltage measurements using the null function to subtract 100 mV from the measurements Make and read two measurements CONF VOLT AC VOLT AC NULL STAT ON VAL 100m...

Страница 80: ...l value selection VOLT AC NULL VAL AUTO ON READ Typical Response 0 00000000E 00 0 01230000E 00 When automatic reference selection is ON the first measurement made is used as the null value for all sub...

Страница 81: ...lt 1000V 6 00000000E 00 Configure AC voltage measurements using the 6 V range Make and read two measurements CONF VOLT AC VOLT AC RANG 6 SAMP COUN 2 READ Typical Response 8 21650028E 03 8 17775726E 03...

Страница 82: ...s are independent for AC and DC measurements Parameter Typical Return ON 1 OFF 0 default ON 0 OFF or1 ON Configure DC voltage measurements and perform an immediate autorange Make and read two measurem...

Страница 83: ...nalog to digital A D converter samples the input signal for a measurement A longer integration time gives better measurement resolution but slower measurement speed Parameter Typical Return 0 3 1 10 d...

Страница 84: ...DC IMPedance Select the input impedance of DC voltage measurement mode Parameter Typical Return 10M 10G default open 10M Select 10M as the input impedance VOLT DC IMP 10M This parameter is only valid...

Страница 85: ...Typical Return ON 1 OFF 0 default ON 0 OFF or1 ON Use zero functions from the measured value minus 100 nf to configure the capacitance measurement Make and read two measurements sent the results to t...

Страница 86: ...100 nf to configure the ac current measurements Make and read two measurements sent the results to the output buffer of the instrument CONF CAP CAP NULL STAT ON VAL 100nF SAMP COUN 2 READ Typical Resp...

Страница 87: ...hen automatic reference selection is ON the first measurement made is used as the null value for all subsequent measurements SENSe Capacitance NULL VALue will be set to this value Automatic null value...

Страница 88: ...itance to measure Make and read two measurements CONF CAP CAP RANG 2E 6 SAMP COUN 2 READ Typical Response 7 28283777E 10 7 28268544E 10 Choose the fixed range SENSe function RANGe disable the automati...

Страница 89: ...lt ON 0 OFF or1ON Configure AC current measurement and executed immediately Make and read two measurements CONF VOLT AC VOLT AC RANG AUTO ONCE SAMP COUN 2 READ Typical Response 8 36187601E 03 8 343875...

Страница 90: ...ld VALue 2 9 38 SENSe CONTinuity THReshold VALue value MIN MAX DEF SENSe CONTinuity THReshold VALue Sets the value for threshold resistance Parameter Typical Return 0 2000 default 0 2 00000000E 03 Set...

Страница 91: ...FF This command affect the beeper heard associated with diode and continuity tests errors and so on This parameter is set to its default value after a Factory Reset 2 10 2 SYSTem COMMunicate LAN IPADd...

Страница 92: ...Parameter Typical Return Command nnn nnn nnn nnn default 255 255 0 0 Query CURRent STATic default CURRent 255 255 255 0 Set the subnet mask SYST COMM LAN SMAS 255 255 255 0 A value of 0 0 0 0 or 255 2...

Страница 93: ...voltage measurements CONF VOLT DC SAMP COUN 5 TRIG COUN 10 READ Typical Response 1 85425399E 04 50 measurements You can use the specified trigger count in conjunction with a sample count SAMPle COUNt...

Страница 94: ...termine the exact delay For example if you send TRIG DEL 500 ms and then TRIG DEL the actual delay may be 5 00000753E 01 By default TRIGger DELay AUTO is ON The instrument automatically determines the...

Страница 95: ...or1 ON Return 5 DC voltage measurements with an automatic delay between each measurement CONF VOLT DC 10 SAMP COUN 5 TRIG DEL AUTO 1 READ Typical Response 3 07761360E 03 1 16041169E 03 5 60585356E 06...

Страница 96: ...r panel Ext Trig BNC connector Parameter Typical Return POSitive NEGative default NEGative POS or NEG Return ten sets of five DC voltage measurements using a positive going external trigger to start e...

Страница 97: ...a TTL pulse specified by OUTPut TRIGger SLOPe is received If the instrument receives an external trigger before it is ready it will buffer one trigger Parameter Typical Return IMMediate EXTernal BUS...

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