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1. Table 2 1 Function Default Location after Power On DCV Autozero ON Frequency and Period Source AC Voltage Output Format ASCII Ratio OFF Frequency 20Hz AC Voltage AC Digits 5 5 Range 10V DC digits 6 5 10 PLC DC Voltage Range iv Frequency 20 Hz AC Current AC Digits 5 5 Range 1A DC Digits 6 5 DC Current 10 PLC Range 1A Digits 5 5 Frequency and Period Range 10V Gate Time 0 1 Sec Dgits 4 5 Capacitance Range 10nF Digits 5 5 Diode Test Range imA Rate 0 2 PLC 6 5 Resistance Digits 10 PLC 2 4 wired Range 1KQ 4 5 Digits Temperature 10 PLC Thermocouple K Type Source Immediate Triggers Delay Auto Input Resistance 10MQ 23 2 2 M3510A 11A Function Introduction For you to become familiar with the M3510A 11A DMM we will give a brief introduction to the basic operations There are three major parts of M3510A 11A 2 2 1 the front panel 2 2 2 the display and 2 2 3 the rear panel We will discuss each of them in the following sections 2 2 1 The Front Panel There are different buttons and terminals on the front panel They are shown in Figure 2 13 Figure 2 13 M3510A 11A front panel 1 Power Power Activates M3510A 11A DMM 2 1 First row without SHIFT button DCV Selects DC voltage measurement ACV Selects AC voltage measurement 02 Selects 2 wire resistance measurement FREQ Selects frequency
2. Frequency Function Range Resolution 1 Year Accuracy Hz 10 20K 0 1200 00 050 20K 50K 0 2500 0 050 100 0000 mV 0 1 50K 100K 0 6500 0 080 ACV 100K 300K 4 80004 0 800 TRMS 10 20K 0 1200 0 040 1 000000 1 0 pV 20K 50K 0 2500 0 050 50K 100K 0 6500 0 080 750 0000 V 1 mV 100K 300K 4 8000 0 800 ACI 1 000000 A 1 pA 10 1K 0 200 0 040 5 The Range 750 V is limited to 100 KHz 9 Bandwidth 3Hz Specifications are for sine wave input gt 5 of range For lt 50 KHz and inputs within 1 5 of range add 0 3 of range additional error For 50 KHz 100 KHz add 0 35 of range 7 For 10A 10A or 10Arms for 30 seconds ON 30 seconds OFF 107 TRMS 1K 5K 1 00 0 100 101K 0 300 0 060 3 00000 A 10 pA 1K 5K 1 500 0 150 10 1K 0 500 0 120 10 00000 A 10 pA 1K 5K 2 50 0 20 CAPACITANCE CHARACTERISTICS Test Function Range 1 Year Accuracy Current 1 nF 10 uA 2 00 80 10 nF 10 uA 1 0 0 50 100 nF 100 pA 1 0 0 50 1 UF 100 pA 1 0 0 50 10 100 pA 1 0 0 50 100 1mA 1 0 0 50 1000 UF 1mA 1 0 0 50 10000 UF 1 mA 2 0 0 50 CAPACITANCE TEMPERATURE CHARACTERISTICS Function Type Range 1 Year Accuracy B 600 C 1820 C 1 56 0 2316 1 5 250 C 1000 1 5 3 210C 1200 C 1 010 THERMOCOUPL
3. 50 4 1 5 Range Manual amp Auto 51 4 1 6 Rate Integration Time sss 52 4 1 7 Sensor Selection for Temperature 54 4 1 8 Remote Interface Selection sse 59 21 9 Input Jack assaulted omaia 59 4 2 TRIGGER OPERATIONS estie e mette amati 60 4 2 1 Trigger Mode 61 4 2 2 Trigger SOUFce cai RTI 62 4 2 3 Trigger Setting xsara er guter 64 MATH OPERATION veces fs erc rte tee eredi editione etes 67 413 4 PerCent s stola GE Rn 67 4 3 2 Average 69 4 3 3 Nullas agi eee ede deii 70 2 3 4 LIMES Test ice tb emt en ptite 71 4 3 5 MX B isset tette tette tenete tete tete teens 72 473 6 dB dBImi i eet tute du eate e epit 73 4 4 SYSTEM RELATED OPERATIONS 75 DISDIAy s etie eet n etlam ote ts 76 4 4 2 ditte bete d ett 77 4 4 3 Reading Memory Store amp Recall 78 4 4 4 Sensitivity Band 80 44 5 tete tinet 80 4 4 6 LANGUAGE 81 44 7 Error Conditio Mirain e 82 4 4 8 Firmware Revision 8
4. gt 5 4 MINimum MAXimum TEMPerature SPRTD AX lt va ue gt MINimum MAXimum TEMPerature SPRTD AX MINimum MAXimum TEMPerature SPRTD BX value MINimum MAXimum TEMPerature SPRTD BX MINimum MAXimum TEMPerature SPRTD CX lt va ue gt MINimum MAXimum TEMPerature SPRTD CX MINimum MAXimum TEMPerature SPRTD DX value MINimum MAXimum TEMPerature SPRTD DX MINimum MAXimum SENSe VOLTage DC NPLCycles 5 0 0011 0 006 0 02 0 06 0 2 0 6 1 2 10 100 VOLTage DC NPLCycles MINimum MAXimum CURRent DC NPLCycles 0 001 0 006 0 02 0 06 0 2 0 6 1 2 10 100 MINimum MAXimum 93 CURRent DC NPLCycles MINimum MAXimum RESistance NPLCycles 0 001 0 006 0 02 0 06 0 2 0 6 1 2 10 100 MINimum MAXimum RESistance NPLCycles MINimum MAXimum FRESistance NPLCycles 5 0 0011 0 006 0 02 0 061 0 2 0 6 1 2 10 100 FRESistance NPLCycles MINimum MAXimum SENSe FREQuency APERture 0 01 0 1 1 MINimum MAXimum FREQuency APERture MINimum MAXimum PERiod APERture 0 01 0 1 1 MINimum MAXimum PERiod APERture MINimum MAXimum SENSe DETector BANDwidth 3 20 200 MINimum MAXimum DETector BANDwidth MINimum MAXimum SENSe TCONtrol MOVing REPeat TCONtrol AVERage COUNt lt va ue gt MINimum MAXimum AVERage COUNt MINimum MAXimum AVERage STATe OFF ON AVERage S
5. steterit eden tbe hautes 27 BASIC MEASUREMENT 2 2 2 2 1 29 3 1 VOLTAGE MEASUREMENTS DCV amp ACV sss 29 3 2 RATIO MEASUREMENTS DC VOLTAGE 30 3 3 CURRENT MEASUREMENTS DC amp AC 31 3 4 RESISTANCE MEASUREMENTS 2 amp 4 WIRE sss 32 3 5 FREQUENCY amp PERIOD MEASUREMENTS 33 3 6 CONTINUITY MEASUREMENT Sissies eoe aiea i e e 34 3 7 DIODE MEASUREMENTS erer ereo keere eaa ora r e E E E 34 3 8 TEMPERATURE MEASUREMENTS 35 3 8 1 Thermocouple Measurements 36 3 8 2 RTD Measurements 37 3 8 2 1 2 Wire 5 5 37 3 8 2 2 4 Wire RTD 5 5 38 3 8 2 2 1 Support 3 Wire RTD 38 3 9 CAPACITANCE MEASUREMENT 39 3 10 2 MEASUREMENT pee ne ee c e 39 4 FRONT PANEL 65 222 2 2 44 4 1 MEASUREMENT CONFIGURATION 44 4 1 1 Set ADC Auto Zero 44 4 1 2 Filterz s ces items RE 45 4 1 2 1 AC Filter AC only dee ete eee entente 46 4 1 2 2 Digital EIlt r etta 47 4 1 3 Resolution amp NPLC Setting sss 48 4 1 4 Threshold Resistance
6. sss 142 D ABOUT APPLICATION 144 1 General Information This section contains general information about PICOTEST M3510A 11A Multimeter The information is shown below Feature Overview Warranty Information Safety Information Symbols and Terms Specifications Inspection ee qu Options and Accessories If you have any questions after reading this information please contact your local service representative Note Some following functions or instructions which the M3511A doesn t support or provide are colored green 1 1 Feature Overview M3510A 11A is a 6 1 2 digits multimeter It has Best performance price ratio High speed sampling rate 50000 Rdgs sec at M3510A NPLC 0 001 amp 10000 Rdgs sec at M3511A NPLC 0 006 Direct Thermocouple Measurement Built In Cold Junction Compensation to improve Accuracy except M3511A Dual Measurement amp Dual Display Including Thermocouple Measurement Capacitance Measurement Several Measurements amp Mathematic Functions e Wide Range Current Measurement Up to 10A DCV Accuracy 0 012 1 year High Sensitivity 0 1 uV amp Resistance 100 Plug amp Play Interface Built In USB USBTMC High Storage Memory Up to 2000 Readings Free Application Software Note The 1 year accuracy is subject to calibration accuracy In addition the M3510A 11A provides wide rang
7. 121 Set the R Zero constant for the user defined RTD type SENSe TEMPerature RTD RZERo MINimum MAXimum Query the R Zero constant for the user defined RTD type SENSe TEMPerature RTD ALPHa lt va ue gt MINimum MAXimum Set the alpha constant for the user type SENSe TEMPerature RTD ALPHa MINimum MAXimum Query the alpha constant for the user type SENSe TEMPerature RTD BETA lt va ue gt MINimum MAXimum Set the beta constant for the user type SENSe TEMPerature RTD BETA MINimum MAXimum Query the beta constant for the user type SENSe TEMPerature RTD DELTa value Set the delta constant for the user type SENSe TEMPerature RTD DELTa MINimum MAXimum Query the delta constant for the user type SENSe TEMPerature SPRTD RZERo lt lt gt Set the sensor R value at 0 degree Celsius SENSe TEMPerature SPRTD RZERo MINimum MAXimum Query the sensor R value at 0 degree Celsius SENSe TEMPerature SPRTD A4 lt value gt MINimum MAXimum Set the A4 coefficient SENSe TEMPerature SPRTD A4 MINimum MAXimum Query the A4 coefficient SENSe TEMPerature SPRTD B4 value 122 Set the B4 coefficient SENSe TEMPerature SPRTD B4 MINimum MAXimum Query the B4 coefficient SENSe TEMPerature SPRTD AX lt va ue gt MINimum MAXimum Set the A coefficient
8. How to save the settings Do the procedure SHIFT CONFIG gt SYSTEM gt ENTER gt INIT MODE gt ENTER gt SAVE DATA DEFAULT SET gt ENTER to Save your current setting or to resume the default setting 4 4 6 Language M3510A 11A supports two languages DEFAULT M3510A 11A and COMPATIBLE When finished the setting is stored in a non volatile memory How to set up the language Do the procedure SHIFT CONFIG gt SYSTEM gt ENTER gt LANGUAGE gt ENTER gt DEFAULT COMPATIBLE gt ENTER to select the language Command Information If needed please use the following commands to achieve the indicated purpose s LO Set to the default identification string L1 Set to the compatible identification string SYSTEM IDNSTR Manufacturer Product Change the multimeter s identification string such as the maker s and the product s names be sure to dimension a string variable with at most 39 characters DATA POINts Query the number of readings stored in the multimeter s internal memory 81 RST Reset the multimeter to the power on configuration This command can not clear the error queue IDN Read the multimeter s identification string be sure to dimension a string variable with at least 35 characters 4 4 7 Error Condition The error annunciator on the front panel display tells about the error condition of the multimeter If there are one or more syntax or hardware errors found the error annunciato
9. annunciator on the display panel will be lit and error codes will be stored You can check the errors by following the procedure in the section 4 4 7 Error Condition Self test error codes The descriptions of self test error codes are listed below 601 Front Panel failed The communication with the front panel is failed when proceeding with the self test 602 Input does not open There are sources input It s not allowed when doing self test You have to remove all leads from the terminals 603 A D offset failed When proceeding with A D test the deviation exceeds Zero too much 607 Rundown too noisy When gaining the A D readings values are inaccordant due to noisies 609 DC gain x1 failed Readings are incorrect when going through the path gain x 1 610 DC gain x10 failed Readings are incorrect when going through the path gain x 10 84 613 SenseHi Path zero failed The reference point Zero is incorrect when getting readings through the path SenseHi 614 DC Path zero failed The reference point Zero is incorrect when getting readings through the path Input 616 DC current sense failed The internal current is failed 85 5 Remote Interface Operations M3510A 11A supports two remote interfaces the built in USB and optional GPIB IEEE 488 With GPIB you will need a GPIB interface card This chapter lists the SCPI Standard Commands for Programmable Instrument commands available to control the m
10. Note 2 Change of reference resistance will not affect the stored relative reference value Note 3 The Zref is adjustable with a range from 500 to 8000 Q The default value is 600 9 74 Note 4 The defined selected reference value is stored a non volatile memory and will not be cleared after the multimeter has been power off Note 5 This feature is available for DCV and ACV only How to set the reference resistance You can set the reference resistance either through the front panel operation or the remote interface operation Front Panel Operation 1 Select a measurement function by pressing DCV or ACV button 2 the procedure SHIFT NULL gt dBm gt ENTER gt REF RES to access the setting 3 Use 4 and move through the digits and to increase or decrease the numbers to a desired value Press ENTER to set the value 4 Press ENTER on RUN to start measurement Note To disable the dBm function you always need to go to Math submenu and select OFF or press other measurement buttons The MATH annunciator should not be lit when disabled Remote Interface Operation Use the following commands to enable dBm feature or to set the reference resistance CALCulate FUNCtion DBM CALCulate STATe OFF ON CALCulate STATe CALCulate DBM REFerence lt value 4 4 System Related Operations In M3510A 11A each system related operation performs a
11. SENSe TEMPerature SPRTD AX MINimum MAXimum Query the A coefficient SENSe TEMPerature SPRTD BX lt va ue gt MINimum MAXimum Set the B coefficient SENSe TEMPerature SPRTD BX MINimum MAXimum Query the B coefficient SENSe TEMPerature SPRTD CX 1 value gt Set the coefficient SENSe TEMPerature SPRTD CX MINimum MAXimum Query the C coefficient SENSe TEMPerature SPRTD DX value gt Set the D coefficient SENSe TEMPerature SPRTD DX MINimum MAXimum Query the D coefficient SENSe TEMPerature TRANsducer FRTD Set the RTD Measurement to 4 Wire SENSe TEMPerature TRANsducer RTD Set the RTD Measurement to 2 Wire SENSe lt function gt NPLCycles 0 02 0 1 1 10 MINimum MAXimum 123 Set the integration time in number of power line cycles for the selected function This command is valid only for DCV DCI 2 wire ohms 4 wire ohms SENSe lt function gt NPLCycles MINimum MAXimum Query the integration time for the selected function SENSe FREQuency APERture 0 01 0 1 1 MINimum MAXimum Set the gate time or aperture time for frequency function Specify 10 ms 4 5 digits 100 ms default 5 5 digits or 1 second 6 5 digits SENSe PERiod APERture 0 01 0 1 1 M INimum MAXimum Set the gate time or aperture time for period function Specify 10 ms 4 5 digits 100 ms default 5 5 digits or
12. TRIGger SOURce Query the trigger source TRIGger DELay lt seconds Set a trigger delay time in seconds The delay is the time between the trigger signal and each sample that follows Specify a delay time from 0 to 3600 seconds TRIGger DELay Query the trigger delay time TRIGger DELay AUTO OFF ON Disable or enable a automatic trigger delay The delay is determined by function range integration time and ac filter setting Specifying a delay time automatically turns off the automatic trigger delay TRIGger DELay AUTO Query the automatic trigger delay mode Returns 70 OFF or 1 ON SAMPIe COUNt 1 value MINimum MAXimum Set the number of readings samples the multimeter takes per trigger Select a number from 1 to 50 000 readings per trigger SAMPIe COUNt MINimum MAXimum Query the sample count 128 TRIGger COUNt lt va ue gt MINimum MAXimum INFinite Specify the number of triggers the multimeter will accept before returning to the idle state Select from 1 to 50 000 triggers The INFinite parameter instructs the multimeter to take triggers continuously Trigger count is ignored while in local operation TRIGger COUNt MINimum MAXimum INFinite Query the trigger count Returns 9 90000000 37 when you select the infinite trigger count C 8 The System Related Commands FETCh Transfer readings stored in memory by the INITiate command to outp
13. indicates that you must specify a value for the enclosed parameter The square brackets indicates that the parameter is optional and can be omitted The braces enclose the parameter choices for a given command string A vertical bar separates several choices for a parameter The MEASure Command Although it does not offer much flexibility using the MEASure Command is the simplest way to program the multimeter for measurements You select the measurement function range and resolution the multimeter automatically sets the other parameters for you make the measurement and send the result to the output buffer 88 MEASure VOLTage DC lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF VOLTage DC RATio lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF VOLTage AC lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF CURRent DC lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF CURRent AC range MIN MAX DEF3 4 resolution MIN MAX DEF RESistance range MIN MAX DEF3 1 resolution FRESistance lt lt gt lt resolution FREQuency lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF PERiod lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF CAPacitance lt range gt MIN MAX DEF CONTinuity DIODe TCOuple TEMPerature The CONFigure Command The
14. x 4 x ly x x x ly x iv x x x x DCV ACI FREQ PER FREQ_C PER_C CAP TEMP TCO CONT DCV x x x v x x x x x x DCI xx v v v x x x 2W x x x x x x x x x 4W x x x x x x x x x ACV Y x v x x x x ACI x EU x x x x x x PER v x x x x FREQ x LF 40 How to use 2ND measurement 1 Press one of the measurement function keys to select a primary measurement Press SHIFT ENTER to enter 2ND submenu Use lt or button to locate a desired secondary measurement press ENTER to select it Observe and take readings on the display The upper row display is the primary measurement and the lower row display is the secondary measurement Note To simultaneously measure the DCI amp DCV from the same input source you have to use three leads The voltage and current measurements must share the same common lead at the LO terminal However this application will cause an inaccurate measurement due to the leads combining with a small amount of internal resistance in the DMM and forming an IR which directly and annoyingly affects the measurement For instance 30 mQ of lead resistance will cause approxima
15. y M3510A 11A 6 1 2 Digits Multimeter Table of Contents TABLE OF CONTENT Sissisicscciccieieticcscsisescclesseccccacseatecsetsccecsdpeisedsstencesscbeidecseteccecsdeeiselseteccessdees 2 1 GENERAL 2222211 2 2 5 142 FEATURE OVERVIEW 5 1 2 WARRANTY INFORMATION 7 1 3 PRECAUTION OF 8 1 4 UPKEEP 3510 11 0 00 8 1 5 SAFETY INEORMATION 4 toe diede im Gta en 9 1 6 SYMBOLS AND TERMS 10 1 7 INSPECTIONS Saco RE ER a a US 10 1 9 OPTIONS AND ACCESSORIES ten tu dte a qi 11 1 9 THE M3510A 114A S nnne 12 2 220200202000 13 2 1 SETTING UP 510 11 0020 0 00 0000000000 13 2 1 1 To adjust the handle sss 13 2 1 2 To connect the power teens 16 2 1 2 1 To convert the voltage 16 2 1 2 2 To change the fuse sese eter 19 2 1 3 Factory Default When 23 2 2 M3510A 11A FUNCTION 24 2 2 1 The Front Pariel i tec e etu ie gute edd 24 222 The Display dte tenete eset eret tens 26 2 2 2 1 e ERE 27 2 2 3
16. 42 The following error codes might occur when corresponding function or range is not enabled or mismatch 243 Second function invalid It means Secondary function is not enabled 223 2nd function mismatch It means function 2nd func mismatch 225 Function range mismatch It means function range mismatch 43 4 Front Panel Operations This chapter contains information about how to change parameters and settings for your measurements and all the details about each feature and function 4 1 Measurement Configuration The following information will guide you through ways to configure measurement functions It provides you the flexibility to change any parameter in any measurement function when needed including ADC setting filter resolution setting digits DC input resistance threshold resistance continuity range manual amp auto rate integration time sensor type for temperature measurements and remote interface selection 4 1 1 Set ADC Auto Zero Zero The purpose of Auto Zero function is to minimize the offset influence on your measurements When Auto Zero is enabled M3510A 11A takes the input signal reading as a base value and then internally disconnects the input signal and takes an offset reading a null offset It then subtracts the offset from the base to get an accurate measurement Displayed reading Base value input signal Offset value When the Auto Zero is enabled the meter takes an offs
17. COUNt MINmum MAXimum SYSTEM RELATED Commands Each system related operation performs a task that is not measurement related but plays an important role in making your measurements FETCh READ DISPlay OFF ON DISPlay DISPlay TEXT lt quoted string gt TEXT TEXT CLEar SYSTem BEEPer BEEPer STATe OFF ON BEEPer STATe SYSTem ERRor 97 SYSTem VERSion DATA POINts SYSTEM IDNSTR MANUFACTURER PRODUCT RST IDN LO L1 STATUS REPORTING Commands SYSTem ERRor STATus QUEStionable ENABle enable value QUEStionable ENABle QUEStionable EVENt STATus PRESet CLS ESE lt enable value gt ESE ESR OPC OPC PSC 0 1 PSC SRE lt enable value gt SRE STB Other Interface Commands SYSTem LOCal SYSTem REMote 98 IEEE 488 2 COMMON Commands CLS ESE lt enable value gt ESE ESR IDN OPC OPC PSC 0 1 PSC RST SRE enable value SRE STB TRG 99 6 Error Messages Errors are retrieved in first in first out FIFO order The first error returned is the first error that was stored When user has read all errors from the queue the ERROR annunciator turns off M3510A 11A beeps once each time an error occurs Should more than 20 errors have existed the last error stored in the queue the most recent error is replaced with 350 Too many errors No additional errors are saved until you remove errors from the qu
18. For frequency measurements the meter uses only one range for all inputs between 3Hz and 300 2 With no input signal applied frequency measurements return 0 CONFigure PERiod lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF Preset and configure a period measurement with the specified range and resolution This command does not initiate the measurement For period measurements the meter uses only one range for all inputs between 0 33 seconds and 3 3 usec With no input signal applied period measurements return CONFigure CAPacitance 1 range MIN MAX DEF 1 resolution MIN MAX DEF Preset and configure the multimeter for capacitance measurements with the specified range and resolution This command does not initiate the measurement CONFigure CONTinuity Preset and configure for a continuity measurement This command does not initiate the measurement The range and resolution are fixed at 1kO and 5 digits respectively CONFigure DIODe Preset and configure for a diode measurement This command does not initiate the measurement The range and resolution are fixed at 1Vdc with 1mA current source 57 digits respectively CONFigure TEMPerature Preset and configure for a RTD measurement This command does not initiate the measurement The resolution is fixed at 672 digits CONFigure TCOuple Preset and configure for a thermocouple measurement This command does not 116
19. Position 2 The position shown in Figure 1 4 is for operating the multimeter Figure 1 4 Position 3 The position shown in Figure 1 5 is for carrying the multimeter Figure 1 5 15 2 1 2 To connect the power Check the power line voltage on the rear panel to see if voltage setting is correct for your area There are 4 power lines 100 120 220 240 on M3510A 11A for your demand Change the voltage correctly or replace a new fuse if the voltage is not correct or the fuse is broken Please follow the steps below 2 1 2 1 To convert the voltage A Warning Before changing the setting make sure the multimeter is disconnected from the AC power An incorrect voltage setting may cause severe damage to your instrument A Warning The power cord supplied with M3510A 11A contains a separate ground wire for use with grounded outlets When proper connections are made instrument chassis is connected to power line ground through the ground wire in the power cord Failure to use a grounded outlet may result in personal injury or death due to electric shock Suppose your multimeter is under the AC 220V condition and you want to convert it to 100V Follow the following steps to change the voltage setting Step 1 Verify that the DMM is disconnected as shown in Figure 2 1 16 Figure 2 1 Step 21 Press the latch to unlatch the voltage setting selector container as shown in Figure 2 2 You may need a screwdrive
20. short the two test leads together and then press NULL button The new reading taken will replace the old value if any in the null register Then connect the two test leads to the input source The value with null offset will show on the display 2 Pressing NULL to actuate it Or you want to define the value by doing the procedure SHIFT NULL gt NULL gt ENTER gt RUN VALUE And use 4 and gt buttons to locate NULL VALUE Then press ENTER to actuat it Note Press NULL button again or press other measurement buttons to disable this feature The MATH anunnciator on the display indicates the state of a mathematical operation 70 The Remote Interface Operation You can use the following commands on your PC terminal to make a null measurement CALCulate FUNCtion NULL CALCulate STATe OFF ON CALCulate STATe CALCulate NULL OFFSet lt value gt MAXimum MINimum 4 3 4 Limits Test The limits testing operation allows you to adjust a maximal and a minimal limit values The multimeter beeps and an HI or LO message will be shown when the reading exceeds the upper or lower limit respectively You can specify the limit values and the values are stored in a volatile memory The default values for both upper and lower limits are 0 This function is available to all except continuity and diode measurements How to set the limits You can set the limits or make a limit testing either through the front panel
21. to 120 of the highest range for the present function CALCulate LIMit LOWer Query the lower limit for the limit testing CALCulate LIMit UPPer lt value gt MINimum MAXimum Set the upper limit for limit testing You can set the value to any number from 0 to 120 of the highest range for the present function CALCulate LIMit UPPer Query the upper limit for the limit testing CALCulate MXB MMFactor lt value gt MINimum MAXimum Set the value of M CALCulate MXB MMFactor MINimum MAXimum Query the value of M CALCulate MXB MBFactor lt value gt MINimum MAXimum Set the value of B CALCulate MXB MBFactor MINimum MAXimum Query the value of B 126 CALCulate DB REFerence value Store a relative value the dB Relative Register You must turn on the math operation before writing to the math register You can set the relative value to any number between 0 dBm and 200 dBm CALCulate DB REFerence MINimum MAXimum Query the dB relative value CALCulate DBM REFerence value gt Set the dBm reference value Choose from 50 8000 ohms CALCulate DBM REFerence MINimum MAXimium Query the dBm reference value DATA FEED RDG STORE CALCulate Selects whether readings taken using the INITiate command are stored in the multimeter s internal memory default or not stored at all In the default state DATA FEED RDG_ST
22. 1 Power on status clear Clear the Status Byte and Standard Event 139 register enable masks when power is turned PSC 1 When PSC 0 is in effect the Status Byte and Standard Event register enable masks are not cleared when power is turned on Stored in non volatile memory PSC Query the power on status clear setting Returns 0 PSC 0 or 1 PSC 1 SRE lt enable value gt Enable bits in the Status Byte enable register SRE Query the Status Byte enable register The multimeter returns a decimal value which corresponds to the binary weighted sum of all bits set in the register STB Query the Status Byte summary register The STB command is similar to a serial poll but it is processed like any other instrument command The STB command returns the same result as a serial poll but the request service bit bit 6 is not cleared if a serial poll has occurred C 11 SCPI Compliance Information This section encloses a list of commands that are device specific to the M3510A 11A Although not included in the 1999 0 version of the SCPI standard these commands are compliant to the SCPI format and they follow the syntax rules of the standard Many of the required SCPI commands are accepted by the multimeter but aren t described in this manual for simplicity or clarity Most of these non documented commands duplicate the functionality of a command already described in this chapter MEA
23. DC RATio lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF This function calculates the ratio of an input DC voltage to a reference DC voltage according to the following equation x Note To turn off this function please press one of the measurement function buttons RAT anunciator will lit when the Ratio is used 30 3 3 Current Measurements DC amp The ranges for DC current measurements M3510A 11A 10mA 100mA 1A and 10A For AC current measurements the range is 1A with sensitivity of 1 nA to 10A AC Coupled TRMS with sensitivity of 10pA A Warning To avoid damaging the fuse of current input Under current measurements the input source below 3 A or between 3A and 10A will be measured only through the 3A 10A and LO input connectors Ensure the test leads are correctly connected to the DMM current inputs It s important to prevent the internal fuse damage from abusing source over 3 A on the 3 A input connector or over 10 A on the 10 Amp connector The measured values will be incorrect under the following conditions 1 At 3A terminal Range 10 A 2 At 10A terminal Range 3 A Under the 10A range you can t use AUTO To eliminate the thermal EMFs due to the differences between two metals use copper leads to connect your source signal to the meter How to measure current 1 2 Connect the test leads to the terminals the front panel Set RESOLUTION of DCI Refer to 4 1 3 BANDWID
24. Definition M3510A is built in cold junction compensation that can improve the accuracy of thermo measurements If you are using this function you have to set an adapter type For example through the TYPE selections you are available to use a specific adapter B C E J K N R S or T for temperature measurement Perhaps it s not the solution you want according to your application Pick the next selection RJUNCTION s REAL or RJUNCTION s SIMULATED by the procedure SHIFT gt TEMP gt CONFIG gt RJUNCTION gt REAL SIMULATED This procedure is not for the settings but the function execution Before executing please go setting REAL or SIMULATED peremeters by the procedure SHIFT gt TEMP gt CONFIG gt SIMULATED REAL What s the difference between the REAL and the SIMULATED For the REAL it s a cold junction compensator whose standard value is detected from the present internal equipment i e the value would be frequently influenced and changed at different environments and climates and it can t be adjusted For the SIMULATED the SIMULATED value is a reference value To use this function you need to be aware that the temperature value from a certain object is absolute meaningful and accurate for example 0 C mixed and water After you well selet the type and matched the correct adaptor the tested result from the mixed ice and water is 2 C At this circumstance you know the real and tested error is 2 C So
25. Example program n printf We check the M3510 multimeter on USB port and n printf identify the first connected M3510 device n n Open Device Resource Manager status PviOpenDefaultRM_usb amp m_defaultRM_usbtmc if status lt OL PviClose_usb m_defaultRM_usbtmc hUSBTMCLIB NULL m defaultRM usbtmc 0 MessageBox NULL USBTMC resource not found M3510 multimeter device test MB OK return else Find the USBTMC device USB 0 9 0x05E6 0xM3510 INSTR Hex status PviFindRsrc_usb m_defaultRM_usbtmc USB 0 9 0x05E6 0xM3510 INSTR amp m_findList_usbtmc amp m_nCount instrDescriptor if status lt OL the USBTMC device USB 0 9 0x05E6 0xM3510 INSTR status PviFindRsrc_usb m_defaultRM_usbtmc USB 0 9 1510 8448 INSTR amp m_findList_usbtmc amp m nCount instrDescriptor if status OL x PviClose_usb m_defaultRM_usbtmc hUSBTMCLIB NULL m_defaultRM_usbtmc 0 else 155 PviOpen_usb m_defaultRM_usbtmc instrDescriptor 0 0 amp m_instr_usbtmc status PviSetAttribute_usb m_instr_usbtmc VI_ATTR_TMO_VALUE m_Timeout else PviOpen_usb m_defaultRM_usbtmc instrDescriptor 0 0 amp m_instr_usbtmc status PviSetAttribute_usb m_instr_usbtmc VI_ATTR_TMO_VALUE m_Timeout if IRUSBTMCLIB printf M3510 device connect return Write command
26. IDN and read the M3510 identification string len 64 pStrout new char len ZeroMemory pStrout len strcpy pStrout idn status PviWrite_usb m_instr_usbtmc unsigned char pStrout 6 amp nWritten Sleep 30 if status VI SUCCESS 1 MessageBox NULL Write to device error M3510 multimeter device test MB OK PviClose usb m defaultRM usbtmc hUSBTMCLIB NULL m defaultRM usbtmc 0 156 return else printf output IDN n Sleep 1000 Read data from device len 64 if hUSBTMCLIB 1 status PviRead_usb m_instr_usbtmc pStrin len amp nRead if nRead gt 0 t for len 0 len long nRead len i buffer len pStrin len buffer nRead 0 printf input s n n buffer Set sample count to 1 strcpy pStrout SAMP COUN 1 status PviWrite_usb m_instr_usbtmc unsigned char pStrout 12 amp nWritten Sleep 30 Set configure Voltage AC range 0 1A strcpy pStrout CONF VOLT AC 0 1 0 01 status PviWrite usb m instr usbtmc unsigned char pStrout 22 amp nWritten Sleep 3000 Set configure frequency range Auto strcpy pStrout CONF FREQ 157 status PviWrite_usb m_instr_usbtmc unsigned char pStrout 10 amp nWritten Sleep 3000 Set configure Current DC range 0 1A strcpy pStrout CONF CURR DC 1 0 01 status PviWrite usb m instr usbtmc unsigned char p
27. MAXimum VOLTage DC RESolution MINimum MAXimum VOLTage AC RESolution lt resolution gt MINimum MAXimum VOLTage AC RESolution MINimum MAXimum CURRent DC RESolution lt resolution gt MINimum MAXimum CURRent DC RESolution MINimum MAXimum CURRent AC RESolution lt resolution gt MINimum MAXimum CURRent AC RESolutioin MINimum MAXimum RESistance RESolution lt resolution gt MINimum MAXimum RESistance RESolution MINimum MAXimum FRESistance RESolution lt resolution gt MINimum MAXimum FRESistance RESolution MINimum MAXimum SENSe UNIT Cel Far K UNIT 92 TCOuple TYPE E J K N R S T TCOuple TYPE TCOuple RJUNction SIMulated 4 value gt TCOuple RJUNction SIMulated SENSe TEMPerature RTD TYPE PT100 D100 F100 PT385 PT3916 USER SPRTD NTCT TEMPerature RTD TYPE TEMPerature RTD RZERo lt va ue gt MINimum MAXimum TEMPerature RTD RZERo MINimum MAXimum TEMPerature RTD ALPHa lt va ue gt MINimum MAXimum TEMPerature RTD ALPHa MINimum MAXimum TEMPerature RTD BETA lt va ue gt MINimum MAXimum TEMPerature RTD BETA MINimum MAXimum TEMPerature RTD DELTa lt value MINimum MAXimum TEMPerature RTD DELTa MINimum MAXimum TEMPerature SPRTD RZERo lt value MINimum MAXimum TEMPerature SPRTD RZERo MINimum MAXimum TEMPerature SPRTD A4 value MINimum MAXimum TEMPerature SPRTD A4 MINimum MAXimum TEMPerature SPRTD B4 lt value
28. USB GPIB remote mode MENU Offers system wide settings trigger settings interface configurations and calibration information AUTO Enables or disables auto range 25 3 Range Section lt D Scrolls through options AV Changes the range while measuring or changes a digit when setting parameters 4 TC INPUT section The terminals at the TC INPUT section provide thermocouple temperature measurement They come with built in cold junction compensation so no extra thermocouple adapter is needed 5 Inserted Connections amp Fuse Device HI amp LO Used for all measurements except DC and AC current Maximum input voltage 1000V for voltage measurements 200V for 4 wire measurement LO 81 Used for making DC and AC current measurements Two Front Fuses Secures your Meter against damage of strong current pulse Maximum current 250V and 15 250 2 2 2 The Display M3510A 11A has a dual LCD display for a better view There are two rows in the dual display screen The upper row Primary displays readings and units A maximum 11 characters are allowed for upper row LCD display The lower row Secondary displays range of the measurements condition the secondary readings amp units or information about an ongoing configuration A maximum 16 characters are allowed for lower row LCD display There are additional annunciators at upper side and right side of the display screen for indicating the st
29. affects the speed of the multimeter to yield a measurement reading Digital filter further stabilizes the measurement readings by averaging Both filters are described in detail in the subsequent sections respectively 45 4 1 2 1 AC Filter AC only Definition You can refer to Table 4 2 to set the bandwidth for selecting one of the three AC filters Slow Medium and Fast in order to achieve either higher accuracy in low frequency measurements or faster AC settling time Defaults The factory default is 20 Hz Medium You can select your filter type as you wish when setting bandwidth value The defined selection is stored in a volatile memory and the default setting will be restored when the meter is power off Table 4 2 Bandwidth AC Filter 5 p i i 3 Hz 300 KHz Slow 7 20 Hz 300 KHz Medium 1 200 Hz 300 KHz Fast 0 6 How to set AC Filter in AC measurements User can set the AC Filter either through the front panel operation or through the remote interface operation Front Panel Operation 1 Press ACV button and then CONFIG button 2 Use lt and buttons to locate BAND WIDTH submenu and then press ENTER to select it There are three options 3Hz 20Hz and 200Hz Remote Interface Operation From your PC terminal use the following command to specify the filter type DETector BANDwidth 3 20 200 MIN MAX 46 4 1 2 2 Digital Filter Definition M3510A 11A uses an averaging
30. command To query the standard event and questionable data registers will clear only the separate bits in the summary register The following conditions will clear the enable register 1 Usersturn on the power and have set the DMM previously by using the PSC 1 command 2 Users execute a SRE 0 command Note If you have set the DMM previously by using PSC 0 the status byte enable register won t be cleared at power on 133 How to use SRQ Service Request and Serial Poll You have to set the bus controller to repond to the IEEE 488 SRQ and interrupt to use this capability Use the status byte enable register SRE to select the low level IEEE 488 SRQ signal set by summary bits As the status byte bit 6 is set an IEEE 488 SRQ interrupt message will be sent automatically to the bus controller which may poll the instruments on the bus to identify which one requested service To read the status byte which is using an IEEE 488 serial poll or to read the event register whose summary bit is cauing the service request will clear the request service You send the IEEE 488 serial poll message to read the status byte summary register And to query the summary register will return a decimal value corresponding to the binary weighted sum of the bits set in the register And serial poll will clear the request service bit automatically in the status byte summary register but no other bits are affected i e to perform a
31. command And if users send an 135 OPC after a command loading a message the DMM s output buffer the operation complete bit is allowed to be used to determine as the message is available However if there are too many messages generated before executing the OPC command the output buffer will be filled and the DMM will be interrupted to take readings About the Standard Event Register The standard event register reports the instrument event types below such as power on detected command syntax errors command execution errors self test calibration errors query errors or the moment of executing an OPC command Then through the enable register all conditions will be reported in the standard event summary bit At the moment users have to write a decimal value by using the ESE command to set the enable register mask XxX Note 1 The errors the DMM s error queue except reading the error queue by using SYSTem ERRor will be recorded by an error condition including bits 2 3 4 or 5 of the standard event register X Note 2 In both the standard event register bit 3 and the questionable data event register bits O 1 or 9 a reading overload condition can be reported all the time But in the DMM s error queue no error message will be recorded Bit Definitions for Standard Event Register Decimal Bit Definition Value All commands prior to and including an OPC command have Operation Complete
32. device not found vbExclamation M3510 multimeter device test viClose dfltRM Exit Sub End If Rem Open a session to each and determine if it matches stat viOpen dfltRM desc NULL VI NULL sesn If stat VI SUCCESS Then MsgBox Open device failed vbExclamation M3510 multimeter device test stat viClose fList Exit Sub End If Rem send reset command RST reset M3510 stat viWrite sesn RST 4 ret If stat VI SUCCESS Then MsgBox System command error RST vbExclamation M3510 multimeter device test stat viClose fList Exit Sub End If Rem send Clear command CLS Clear M3510 status register stat viWrite sesn CLS 4 ret 149 If stat VI SUCCESS Then MsgBox System command error CLS vbExclamation M3510 multimeter device test stat viClose fList Exit Sub End If Rem send command 50 ohm reference resistance stat viWrite sesn CALC DBM REF 50 15 ret If stat VI SUCCESS Then MsgBox System command vbExclamation M3510 multimeter device test stat viClose fList Exit Sub End If Rem send command Set kM3510 to 1 amp ac range stat viWrite sesn CONF VOLT AC 1 0 001 20 ret If stat VI SUCCESS Then MsgBox System command vbExclamation M3510 multimeter device test stat viClose fList Exit Sub End If Rem send command Select 200 Hz fast ac filter stat viWrite sesn DET BAND 200 12 ret If
33. digital filter to yield a reading for display from a specified number of measurement readings inthe past The past measurement readings are stored in a stack of memory The number may be in the range of 2 to 100 You may select one of the two modes of digital filter operations Moving Average and Repeating Average The moving average filter puts the specified number of reading conversions in a first in first out order The very first measurement reading simply fills up the stack To yield a reading for display the filter produces an average of the stacked measurement readings every time when a new measurement reading is available and replaces the oldest reading in the stack In the repeating average mode the multimeter waits for the measurement reading stack to fill up and then take an average to produce a reading for display It then flushes the stack and starts over with an empty stack Consequently the repeating digital filter yields one reading for display every specified number of measurement readings Note Digital filter is not available for diode continuity frequency and period measurements Default The digital filter is enabled and is in moving average mode with 10 readings by default How to enable disable digital filter 1 Press SHIFT DIGITS buttons to switch to the digital filter function 2 Use gt buttons to toggle between options 3 Press ENTER on OFF to disable the filter Or press ENTER on the
34. either through the front panel operation or through the remote interface operation The autorange can t work at the 10A range 51 Front Panel Operation 1 Choose a measurement function 2 Press SHIFT ESC buttons to select auto range feature Or use A and buttons to manually select a range anunciator will lit when manually selecting a range Remote Interface Operation Use the following commands from your PC terminal to set the range CONFigure lt function gt lt range gt lt resolution gt MEASure lt function gt lt range gt lt resolution gt SENSe lt function gt RANGe lt range gt SENSe lt function gt RANGe AUTO OFF ON 4 1 6 Rate Integration Time Definition Integration time is the period of time the analog to digital A D converter takes to sample the input signal The integration time feature allows you to optimize either the speed or the resolution as well as the noise rejection and the accuracy of the measurement The unit of the integration time is in PLC power line cycles One PLC for 60 Hz is 16 67 ms and for 50 Hz is 20 ms There are 10 different integration times in M3510A 11A for you to select from 0 001 0 006 0 02 0 06 0 2 0 6 1 2 10 and 100 PLCs Note Some following functions or instructions which the M3511A doesn t support or provide are colored green Default For DCV DCI and resistance measurement the default integration time is 10 PLC The manual selected va
35. equations for Standard Platinum Thermometers covering temperature range from 18 8033K to 1234 93K However one SPRTD usually cannot cover the entire range so the temperature range is broken up into a few subranges These subranges depend on the calibration point of temperature scale and are based on the melting or triple points of various pure substances For an exact list of the elements needed and details on RTD calibration refer to NIST Technical Note 1265 Guidelines For Realizing the International Temperature Scale of 1990 In each subrange the calibration constants required for that subrange are listed Default The default sensor type in M3510A 11A is PT100 How to set up RTD You can set up the RTD configuration either through the front panel operation or through the remote interface operation Front Panel Operation Sensor selection 1 Press TEMP button to select RTD temperature measurement function 2 Press CONFIG button 3 Use lt and to locate SENSOR submenu Press ENTER to select it Use 4 and to locate your sensor type Press ENTER to select your desired sensor type Choosing USER takes you to a menu where you can specify factors used 55 the calculation equation to obtain the temperature Use lt and gt to move through the digits and A and to change the numbers to a desired value Press ENTER to set the value Choosing SPRTD takes you to a menu where you can specify the seven coefficien
36. for any particular reasons 1 3 Precaution of Operation Please carefully read the manual before operating this device This manual is for reference only Please consult your local service representative for further assistance The contents of this manual may be amended by the manufacturer without notice Never dismantle the equipment by any unauthorized personnel or equipment may be damaged e The equipment has been strictly tested for quality before delivery from our factory However this equipment must not be used in dangerous situations where damage may result This product should be placed in a safe area in case of unpredictable personnel use The rear protective conduct terminal needs to be connected to the actual earth ground or electric shock may occur The patent and related documents for the equipment belong to PICOTEST CORP and they aren t allowed to be used by others without permission 1 4 Upkeep of M3510A 11A e Although M3510A 11A DMM is very durable and weather resistant care should be taken not to expose it to severe impact or pressure Keep 3510 11 far from water and damp environment Calibration will be taken every year Please contact with your local service representative for more information e Ifthe incorrect display or abnormal beeps occurred you should stop using the equipment at once Do not use the Meter around explosive gas or inflammable vapor Wipe the surface
37. have to select the external trigger source by using the TRIGer SOURce EXTernal 62 m gt 1 5 4 2 Note You can use simple switch to generate external trigger by using the Ext Trig input as shown in Figure 4 3 Figure 4 3 VM COMP Voltmeter Complete Terminal The real panel VM COMP terminal provides a low true pulse after finishing each measurement The VM COMP and external trigger as shown in Figure 4 4 provides a standard hardware handshake sequence between measuremen and switching devices Output Approximately 2 us Figure 4 4 Remote Interface Operation By software or internal trigger By software trigger The software trigger is similar to the single triggering but instead of using the TRIGGER button on the front panel you send a command from your PC to the multimeter to generate an event For using software trigger use the following command from your 63 terminal to set trigger source TRIGger SOURce BUS By internal trigger The internal trigger is the default trigger mode for the Remote Interface Operation In the internal trigger mode a trigger signal will be issued whenever the multimeter is in the wait for trigger state To set the internal trigger use the following command from your PC terminal TRIGger SOURce IMMediate 4 2 3 Trigger Setting M3510A 11A you can specify a variety of trigger settings including the nu
38. in the queue Errors are retrieved in first in first out FIFO order Each error string may contain up to 80 characters STATus QUEStionable ENABle lt enable value gt Enable bits in the Questionable Data enable register The selected bits are then reported to the Status Byte 138 STATus QUEStionable ENABle Query the Questionable Data enable register The multimeter returns a binary weighted decimal representing the bits set in the enable register STATus QUEStionable EVENt Query the Questionable Data event register The multimeter returns a decimal value which corresponds to the binary weighted sum of all bits set in the register STATus PRESet Clear all bits in the Questionable Data enable register CLS Clear the Status Byte summary register and all event registers ESE enable value Enable bits in the Standard Event enable register The selected bits are then reported to the Status Byte ESE Query the Standard Event enable register The multimeter returns a decimal value which corresponds to the binary weighted sum of all bits set in the register ESR Query the Standard event register The multimeter returns a decimal value which corresponds to the binary weighted sum of all bits set in the register OPC Sets the operation complete bit bit 0 in the Standard Event register after the command is executed OPC Returns 1 to the output buffer after the command is executed PSC 0
39. initiate the measurement resolution is fixed at 6 digits CONFigure Query a recent condition of function and return a quoted string C 5 The Measurement Configuration Command SENSe FUNCtion lt function gt Select a measurement function and enclose it in quotes in the command string FUNC VOLT DC Use one of the following strings VOLTage DC VOLTage AC VOLTage DC RATio CURRent DC CURRent AC CAPacitance RESistance for 2 wire ohms FRESistance 4 wire ohms FREQuency PERiod CONTinuity DIODe TCOuple TEMPerature SENSe FUNCtion Query the measurement function and return a quoted string SENSe FUNCtion 1 2 function Sets DMM to the measurement function listed in the function parameter The function must be enclosed in quotes in the command string FUNC VOLT DC for Example In addition Parameters 1 2 means that use 1 for primary display and 2 for secondary display The followings are the valid commands Note Using FUNC without 1 or 2 will default to 1 for the primary display SENSe FUNCtion 1 2 CAPacitance SENSe FUNCtion 1 2 CONTinuity SENSe FUNCtion 1 2 CURRent AC SENSe FUNCtion 1 2 CURRent DC SENSe FUNCtion 1 2 DIODe SENSe FUNCtion 1 2 FRESistance SENSe FUNCtion 1 2 FREQuency SENSe FUNCtion 1 2 PERiod 119 SENSe FUNCtion 1 2 RESistance SENSe FUNCtion 1 2 TEMPerature FRTD SENSe FUNCtion 1 2 TEMP
40. of M3510A multimeter with a piece of dry and clean cloth 1 5 Safety Information A Caution Please read through the following safety information before using the product To avoid possible electric shock or personal injury please read and follow these guidelines carefully Follow the guidelines in this manual and DO NOT use the Meter if the case is damaged Check the Meter case and terminals and make sure all the devices are in the proper positions Do not apply excessive voltage to the Multimeter Apply voltage within the rated range only Use caution when measuring voltages above 30 V RMS 42 V 60 V DC These voltages pose an electric shock hazard When using the probes always keep your fingers behind the finger guards Always connect the common test leads black before connecting the live test leads red and disconnect the live test leads red before disconnecting the common test leads black This will reduce the chance of an electric shock Disconnect circuit power and discharge all high voltage capacitors before testing resistance continuity diodes or capacitance If you need to open the Meter case or replace any parts read the instruction in this manual first You must be a qualified personnel to perform this action When replacing fuses use only the same type and same rating as specified Do nottry to operate the Meter if it is damaged Disconnect the power from the equ
41. only The reading hold feature is used to hold a stable reading on the display When a reading is stable enabling the reading hold will hold the stable reading and trigger a beeping sound Reading hold feature depends on an adjustable sensitivity band to determine if a reading is stable The multimeter considers a reading stable when three consecutive readings are within the sensitivity band Chapter 4 4 6 will explain how to adjust the sensitivity band This feature is only available from the front panel operation How to enable disable reading hold 1 Press SHIFT TRIGGER buttons 2 To disable it press SHIFT TRIGGER buttons again D Trigger delay This feature is useful for user who needs a longer delay time to wait for the system to be stabilized The time needed to stabilize a measurement system is called the settling time The settling time depends on the measurement range cable properties and signal source Defaults The default of the trigger delay is automatic M3510A 11A automatically selects a delay time for you according to the setting of the measurement if you do not specify a delay A list of the default for each measurement 65 function is shown Table 4 5 The range for the delay is from 0 to 3600 seconds The defined selection of delay time is stored in a volatile memory and the default will be restored when the meter is power off The internal settings of automatic trigger delay The delay time for au
42. or the remote interface operation Front Panel Operation 1 Do the procedure SHIFT NULL gt LIMITS gt ENTER gt HIGH LIMIT LOW LIMIT gt ENTER to access the setting 2 Use 4 and gt to toggle between options Press ENTER on your selection of LOW LIMIT or HIGH LIMIT 3 Use lt and gt to move through the digits and A and to increase or decrease the numbers to a desired value then confirm the value with ENTER button Press ENTER on RUN to start measurement Note To disable the limits function you always need to go to Math submenu and select OFF or press other measurement buttons The MATH annunciator should not be lit when disabled 71 Remote Interface Operation Use the following commands to enable the limits function or to set the limits CALCulate FUNCtion LIMit CALCulate STATe OFF ON CALCulate STATe CALCulate LIMit LOWer lt va ue gt MINimum MAXimum CALCulate LIMit UPPer lt va ue gt MINimum MAXimum 4 3 5 MX B Definition This mathematical function multiplies a measurement reading X by a specified scale factor M and add an offset B automatically The answer Y will then be shown on the display according to the following equation Y MX B This is especially useful when you need to do slope calculations on a series of measurements The values of the M and B can be changed through the configuration of this function and they are stored in a volatile memory
43. task that is not measurement related but plays an important role in making your measurements 75 4 4 1 Display M3510A 11A has dual LCD display screen maximum of 11 characters are allowed for upper row primary display and a maximum of 16 characters are allowed for lower row secondary display as shown on Figure 4 5 You has an option to turn off the display for a faster measurement without waiting for display or when the measurement is done through the remote interface operations on their PC terminal Figure 4 5 When the display is turned off an OFF will be lit at right side of the display screen as shown in Figure 4 6 This doesn t mean the display is POWER OFF but only that the measurement readings will not be sent to the display This option will accelerate the measurement process because there is no I O delay But turning off the display will not affect the messages displayed from the RECALL MENU and CONFIG operations You can send a message through the remote interface from their PC terminal to the lower row display and will substitute the original display Figure 4 6 Default The display default is ON The On Off selection made by you is stored volatile memory and the default will be restored when the meter is power off How to control the display You can control the display through the front panel operation or through the remote interface operation The remote interface oper
44. the next step is to adjust the default value from 25 C to 23 C Then your following thermocouple measurements with the simulated function would be accurate How to set up thermocouple You can set up the thermocouple configuration either through the front panel operation or through the remote interface operation Front Panel Operation Unit and Thermocouple configuration 1 Press SHIFT TEMP to choose thermocouple function 57 2 Press CONFIG then use lt and to toggle between options 3 To configure unit or thermocouple type press ENTER on UNIT and TYPE respectively Real Temperature Setup 1 Selet a type and matched an adaptor correctly 2 Press SHIFT TEMP to choose thermocouple function 3 Press CONFIG and then use 4 and to locate REAL then press ENTER to check the present temperature 4 Press ESC to reach the upper layer 5 Press lt and gt to locate RJUNCTION then do the prcedure ENTER gt REAL to execute the function Simulated Temperature Setup 1 Selet a type and matched an adaptor correctly 2 Press SHIFT TEMP to choose thermocouple function 3 Press CONFIG and then use lt and to locate SIMULATED then press ENTER to define a proper value after calculating Press ESC to reach the upper layer 5 Press 4 and to locate RJUNCTION then do the prcedure ENTER SIMULATED to execute the function Remote Interface Operation Use the following comman
45. 1 been executed Not Used 2 Set to 0 The DMM output buffer was empty as the DMM tried to read from Query Error 4 it Or a new command line was received before a previous query has been read Or both the input and output buffers are full Device Error 8 Error occurrence from a self test calibration or reading overlaod Execution Error 16 Error occurrence from an execution Command Error 32 Error occurrence from a command s syntax 136 6 Not Used 64 Set to 0 Since the last time the event register was read or cleared power 7 Power On 128 has been turned off and on The following conditions will clear the standard event register 1 Users send CLS command 2 Users query the event register by using the ESR command The following conditions will clear the standard event enable register 1 Users turn on the power and have set the DMM previously by using the PSC 1 command 2 Users execute a ESE 0 command x Note When the DMM is powered the standard event enable register won t be cleared if users have set the DMM previously by using PSC 0 About the Questionable Data Register The questionable data register reports the quality of the DMM s measurement results as well overload conditions and high low limit test results Through the enable register all of the conditions can be reported in the questionable data summary bit At the moment users have to write a decimal val
46. 1 second 6 5 digits SENSe PERiod APERture MINimum MAXimum Query the gate time or aperture time for period function SENSe DETector BANDwidth lt 3 20 200 Specify the lowest frequency expected the input signal The meter selects the slow medium or fast ac filter based on the frequency you specify SENSe DETector BANDwidth MINimum MAXimum Query the ac filter and return the bandwidth SENSe ZERO AUTO OFF ONCE ON Disable or enable the auto zero mode The OFF and ONCE have a similar effect OFF mode does not issue a new offset measurement until the multimeter goes to the WAIT FOR TRIGGER state Parameter ONCE issues an immediate offset measurement SENSe ZERO AUTO Query the auto zero mode Returns 1 ON or 0 OFF or ONCE C 6 The Math Operation Command CALCulate FUNCtion PERCent AVERage NULL LIMit MXB DB DBM Select the math function Only one function can be enabled at a time The 124 default function is percent CALCulate FUNCtion Query the present math function Returns PERC AVER NULL LIM MXB DB or DBM CALCulate STATe OFF ON Disable or enable the selected math function CALCulate STATe Query the state of the math function Returns O OFF or 1 ON CALCulate PERCent TARGet lt va ue gt MINimum MAXimum Set the target value for percent math function The multimeter clears the value when Min Max is turned on when the pow
47. 128 ret If stat VI SUCCESS Then MsgBox Read in data error vbExclamation M3510 multimeter device test stat viClose fList Exit Sub End If Rem set to local mode stat viWrite sesn system local 12 ret If stat VI SUCCESS Then MsgBox System command error system local vbExclamation M3510 multimeter device test stat viClose fList Exit Sub End If stat viClose sesn stat viClose fList stat viClose dfltRM Fori 0 To 5 1 print out the 4 times samples reading Debug Print Rdgs Mid readin i 16 1 15 Next MsgBox End of Job End Sub C DEVQUERY Sample Application This C sample application is a Win32 console application It illustrates how to use the PICOTEST IOUtils COM A Win32 console application is a Win32 application which uses text based input and output not a graphical interface This allows you to quickly create Win32 application by using simple input and output functions 151 Creating the Application Create a new Visual C project as follows 1 Create a new Win32 Console Application project calling the project DEVQUERY 2 Specify that this project will be a simple application in the last AppWizard step LISTING C 3 THE DEVQUERY FUNCTION devquery cpp Defines the entry point for the console application Call the NI VISA library visa32 dll include stdafx h include visa h standard include for a Microsoft Vi
48. 3 4 4 9 Calibration otov 83 4 4 10 Self Test i vdd a eR edes 83 5 REMOTE INTERFACE 65 2 4 86 5 1 PASS FAIL OUTPUT FROM USB 86 5 2 SETTING UP FOR REMOTE INTERFACE 87 5 3 REMOTE INTERFACE COMMANDS nennen nnns 88 6 ERROR MESSAGES dete ute dte 100 6 1 tette tee tie tad itat a tdt 100 6 1 1 is sc nudata die da 100 106 A SPECIFICATION LIST ete eoe e RO e e EORR Pee 106 B GENERAL SPECIFICATIONS yan 109 C REMOTE INTERFACE REFERENCE 110 C 1 An Introduction to the SCPI 110 C 2 Output Data Formats usus seuea 114 MEASure Command sss 115 4 CONFigure Command sse 117 C 5 The Measurement Configuration 119 C 6 The Math Operation Command sese 124 C 7 The Triggering Commands sss 127 C 8 The System Related Commands seen 129 C 9 The SCPI Status Pattern sss 131 C 10 Status Reporting Commands sss 138 C 11 SCPI Compliance Information sse 140 12 IEEE 488 Compliance Information
49. 308 305mm 107mm 2650g 305mm 2510g 107mm 12 2 Overview This chapter will give you an overview of M3510A 11A s features and guide you through the basics of M3510A 11A DMM 2 1 Setting up M3510A 11A The purpose of this section is to prepare you for using M3510A DMM You may want to check if you have all the parts with your multimeter All our products are handled and inspected professionally before shipping out to our customers If you find any damaged or missing parts please contact your local service representative immediately and do not attempt to operate the damaged product 2 1 1 To adjust the handle You may adjust the carrying handle to suit your needs The following figures show you how to adjust the handle I Taking off the handle from the Multimeter Step 1 Turn up the handle Pull slightly outward on both sides of the handle and slowly rotate it up as shown in Figure 1 1 13 Figure 1 1 Step 2 Pull out the handle When the handle is turned up to 90 with the DMM please pull out the handle from the DMM as shown in Figure 1 2 Figure 1 2 Adjusting the position for your convenience Here are some example positions to for your reference Position 1 The default position is for packing as shown in Figure 1 3 14 1 3
50. 3510 stat viWrite sesn RST 4 ret If stat VI SUCCESS Then MsgBox System command error RST vbExclamation M3510 multimeter device test stat viClose fList Exit Sub End If Rem send Clear command CLS Clear M3510 status register stat viWrite sesn CLS 4 ret If stat VI SUCCESS Then MsgBox System command error CLS vbExclamation M3510 multimeter device test stat viClose fList Exit Sub End If Rem send measure command Set to 0 1 volt dc range stat viWrite sesn meas volt DC 0 1 0 01 22 ret If stat VI SUCCESS Then MsgBox System command error meas volt dc vbExclamation M3510 multimeter device test stat viClose fList Exit Sub End If Rem fetch the measure data stat viRead sesn readin 64 ret If stat VI SUCCESS Then MsgBox Read in data error vbExclamation M3510 multimeter device test stat viClose fList Exit Sub End If 147 Debug Print Rdg readin Rem set to local mode stat viWrite sesn system local 12 ret If stat VI SUCCESS Then MsgBox System command error system local vbExclamation M3510 multimeter device test stat viClose fList Exit Sub End If stat viClose sesn stat viClose fList stat viClose dfltRM MsgBox End of Job End Sub Using CONFigure with a Math Operation The following example uses CONFigure with the dBm math operation The CONFigure command gives you a little mor
51. 673 Kaohsiung Taiwan Declaration of Product Product Name 6 1 2 Digit Digital Multimeter Model Number M3510A Added Model s M3511A Product Accessories This declaration applies to all accessories of the above product s EMC EN61326 1 2006 EN61326 2 1 2006 EMI CISPR 11 2003 Class B IEC61000 3 2 2006 61000 3 3 1995 1 2001 2 2005 EMS IEC61000 4 2 1995 A1 1998 A2 2000 IEC61000 4 3 2008 IEC61000 4 4 2004 IEC61000 4 5 2005 IEC61000 4 6 2008 IEC61000 4 8 1993 A1 2000 IEC61000 4 11 2004 Safety IEC61010 1 2001 EN61010 1 2001 2 Edition f ri 07 2009 lt Date Hawk Shang General Manager 11 E gt For more information please contact your local supplier sales office or distributor 160
52. 7 or skip this step to use the default setting 4 Observe and take readings on the display Note When measuring through the 3 wire RTD the input LO and sense LO have to be connected in short condition Note Source means RTD Probe RTD Simulator 38 Source J See Platinum RTD In Short Condition Figure 3 6 3 9 Capacitance Measurement The ranges for capacitance measurements in M3510A 11A are 1 nF 10 nF 100 nF 1 pF 10uF 100uF 1000ygF and 10000pF The default for range is auto range Note While using this capacitance function the resolution is fixed at 4 1 2 digits How to measure capacitance 1 Connect the test leads to the terminals on the front panel 2 Press SHIFT FREQ to select capacitance measurement function 3 Observe and take readings on the display 3 10 2ND Measurement M3510A 11A provides a secondary measurement function as users make a primary measurement By using 2nd function users are able to make two measurements at the same time The Table 3 1 and 3 2 below show the available measurement functions for each primary measurement on M3510A and M3511A respectively 39 Table 3 1 Available 2ND functions on M3510A Table 3 2 Available 2ND functions on M3511A ACI FREQ PER FREQ_C PER_C CAP TEMP TCO CONT x v x x x v x ly
53. ATA FEED TRIGGERING M3510A 11A provides a variety of trigger operations You User can select a trigger mode a trigger source and different trigger settings for a specific measurement Refer to Figure 4 8 for triggering system flow chart Triggering from a remote interface is a multi step sequence You must first configure the mulitmeter by choosing the desired function range and resolution Specify the trigger source from which the multimeter will accept the trigger The multimeter takes immediate internal trigger a software trigger from a remote interface and external trigger from the rear panel Then be sure that the multimeter is ready for a trigger in the wait for trigger state M3510A 11A accepts a trigger only when it is in the wait for trigger state When you have finished configuring the multimeter and have selected a trigger source you need to place the multimeter in the wait for trigger state so it will take the trigger and make the measurement The INITiate READ and MEASure commands all place the multimeter to the wait for trigger state Triggering Commands INITiate READ TRIGger SOURce BUS IMMediate EXTernal 96 SOURce TRIGger DELay lt seconds gt MINimum MAXimum DELay MINimum MAXimum TRIGger DELay AUTO OFF ON DELay AUTO COUNt gt COUNt MINmum MAXimum TRIGger COUNt lt value gt MINimum MAXimum INFinite
54. CONFigure command offers a little more flexibility than the MEASure Command The multimeter sets the parameters for the requested function range and resolution but does not make the measurements You have an option to change the configuration To initiate the measurement use INITiate or READ Command CONFigure VOLTage DC lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF VOLTage DC RATio range MIN MAX DEF lt resolution gt MIN MAX DEF VOLTage AC lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF CURRent DC lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF CURRent AC lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF RESistance lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF FRESistance lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF FREQuency lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF PERiod lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF CAPacitance lt range gt MIN MAX DEF CONTinuity 89 DIODe TCOuple TEMPerature CONFigure The READ Command The READ Command changes the state of the trigger system from the idle state to the wait for trigger state When the specified trigger condition requirements are met after the multimeter receives the READ command the measurement will be initiated The results are sent to the output buffer right away You must enter the reading data into your bus controller or the mult
55. E J N R S and T Please refer to Table 3 1 for their temperature ranges Be sure that the temperature function is configured for the right sensor type before making measurements Refer to 4 1 7 for how to make the sensor configuration In general RTDs have a better accuracy and long term stability than thermocouples The default RTD type in M3510A 11A is PT100 and the thermocouple is type K 35 Table 3 1 Sensor Type Temperature Temperature Range C Range F B 600 1820 1112 3308 02316 32 4200 8 250 1000 418 1832 J 210 1200 346 2192 K 200 1372 328 2501 6 N 200 1300 5182372 R 0 1767 32 3212 6 5 071767 32 3212 6 T 250 400 418 752 RTD PT 100 200 850 328 1562 Note Some following functions or instructions which the M3511A doesn t support or provide are colored green 3 8 1 Thermocouple Measurements Connect the thermocouple sensor to the TC INPUT jack on the front panel The difference between each type is subject to sensors How to measure thermocouple 1 To measure thermocouple must be via a purposive sensor as shown in Figure 3 3 2 Press SHIFT TEMP buttons to select thermocouple measurement 3 Configure the thermocouple type by using the CONFIG button refer to 4 1 7 or skip this step to use the default settings 4 Observe and take readings on the display 36 Figure 3 3 3 8 2 RTD Measurements There are three kinds o
56. E K 200 C 1372 1 0 C N 200 C 1300 C 1 0 R OC 1767C 1 540 S 001767 1 5 250 C 400 C 1 5 8 The Null function must be used 9 The measurement accuracy excluded the error of test leads And The M3511A doesn t support the thermocouple measurement 108 General Specifications item Limitation amp description Power Supply 100V 120V 220V 240V 10 Power Line Frequency 50 60 Hz 10 Power Consumption 25 VA peak 5 W AVERAGE Operating Temperature 0 C to 50 Operating Humidity Maximum relative humidity 80 for temperature up to 31 Decreasing Linearly to 50 Relative Humidity at 40 Storage Temperature 40 C to 70 C Operating Altitude Up to 2000 M Bench Dimensions for Rack WxHxD 214 6 x 88 6 x 280 7 mm Weight 22304 61010 1 2001 61010 1 2001 27 Edition Safety Installation CAT II Measurement CAT III at max 1000 Pollution Degree 2 EMC EN61326 1 2006 EN61326 2 1 2006 VIBRATION MIL PRF 28800F 3 8 4 2 VIBRATION SINUSOIDAL CLASS 1 2 SHOCK MIL PFR 28800F 4 5 5 4 MECHANICAL Warranty One Year The LO jack is marked with 500Vpk against ground and SENSE HI to LO is only marked with 200Vpk in opposition to the label of 600V CAT II and or 1000V CAT I against ground and IEC 61010 1 109 Remote Interface Reference C 1 An Introduction to the SCPI Language SC
57. MAX to set the range to its maximum value Querying Parameter Settings You can query the current value of most parameters by adding a question mark to the command For example the following command sets the sample count to 10 readings SAMP COUN 10 You can query the sample count by executing SAMP COUN You can also query the minimum or maximum count allowed as follows SAMP COUN MIN SAMP COUN MAX Note If you send two query commands without reading the response from the first and then attempt to read the second response you may receive some data from the first response followed by the complete second response To avoid this do not send a query command without reading the response When you cannot avoid this situation send a device clear before sending the second query command SCPI Command Terminators A command string sent to the multimeter must terminate with a new line character The IEEE 488 EOI end or identify message is interpreted as a new line character and can be used to terminate a command string in place of a new line character A carriage return followed by a new line is also accepted Command string termination will always reset the current SCPI command path to the root level IEEE 488 2 Common Commands The IEEE 488 2 standard defines a set of common commands that perform functions like reset self test and status operations Common 112 commands always begin with a
58. NTinuity Preset and make a continuity measurement The reading is sent to the output buffer The range and resolution are fixed at 1k and 5 digits respectively MEASure DIODe Preset and make a diode measurement The reading is sent to the output buffer The range and resolution are fixed at 1Vdc with 1mA current source and 5 digits respectively MEASure TEMPerature Preset and make a temperature measurement with RTD The reading is sent to the output buffer MEASure TCOuple Preset and make a temperature measurement with thermocouple The reading is sent to the output buffer 116 4 CONFigure Command CONFigure VOLTage DC lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF Preset and configure the multimeter for DC voltage measurements with the specified range and resolution This command does not initiate the measurement CONFigure VOLTage DC RATio lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF Preset and configure the multimeter for DC DC ratio measurements with the specified range and resolution This command does not initiate the measurement The specified range applies to the source signal and autorange is selected for the reference signal CONFigure VOLTage AC lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF Preset and configure the multimeter for AC voltage measurements with the specified range and resolution This command does not initiate the measuremen
59. Nt must not exceed 2000 readings e 532 Cannot achieve requested resolution The multimeter cannot achieve the requested measurement resolution You may have specified an invalid resolution in the CONFigure or MEASure command 540 Cannot use overload as math reference The multimeter cannot store an overload reading 9 90000000E 37 as the math reference for null or dB measurements The math state is turned off as a result of this condition 550 Command not allowed in local The multimeter received a READ Command while in the local mode e 624 Unable to sense line frequency The AC Line frequency can t be measured after powering on the DMM 640 Meas setting failed You can t command to set through the A D 641 Meas reading failed You can t command to read from A D 642 Board Protect failed The specific IC is malfunction or missing All communication is blocked e 650 Panel failed The main baord can t communicate with the panel 104 651 Panel Program Checksum Error The checksum from the panel is incorrect 105 This appendix contains the performance specifications of the M3510A 11A It covers the AC DC Resistance Temperature and Frequency Period characteristics under a variety of conditions It also contains the general characteristics and accuracy calculations for your convenience A lot of efforts are made to make sure these specifications serve your needs for production enginee
60. ORE CALC up to 2000 readings are stored in memory when INITiate is executed The MEASure And CONFigure commands automatically select CALC With memory disabled DATA FEED RDG STORE readings taken using INITiate are not stored This may be useful with the Min Max operation since it allows you to determine an average of the readings without storing the individual values An error will be generated if you attempt to transfer readings to the output buffer using the FETCh command DATA FEED Query the reading memory state Return CALC or wa C 7 The Triggering Commands INITiate Change the state of the triggering system from the idle state to wait for trigger state The meter will start to make measurements when a required triggering condition is met after the INITiate command is received Readings are stored in memory until you are ready to read them Use FETCh command to retrieve your measurements results 127 READ Change the state of the triggering system from the idle state to wait for trigger state The meter will start to make measurements when a required triggering condition is met after the READ Command is received Readings are sent to the output buffer right away TRIGger SOURce BUS IMMediate EXTernal Select a trigger source The multimeter will accept a software BUS trigger an immediate internal trigger or a hardware trigger from the rear panel EXT TRIG terminal
61. PI Standard Commands for Programmable Instruments is an ASCII based instrument command language designed for test and measurement instruments Refer to Simplified Programming Overview for an introduction to the basic techniques used to program the multimeter over the remote interface SCPI commands are based on a hierarchical structure also known as a tree system In this system associated commands are grouped together under common node or root thus forming subsystems A portion of the SENSe subsystem is shown below to illustrate the tree system SENSe VOLTage DC RANGe range MINimum MAXimumj VOLTage DC RANGe MINimum MAXimum FREQuency VOLTage RANGe lt range gt MINimum MAXimum FREQuency VOLTage RANGe MINimum MAXimum DETector BANDwidth 3 20 200 MINimum MAXimum DETector BANDwidth MINimum MAXimum ZERO AUTO OFF ONCE ON ZERO AUTO SENSe is the root keyword of the command VOLTage and FREQuency are second level keywords and DC and VOLTage are third level 110 keywords colon separates command keyword from a lower level keyword Command Format Used in This Manual The format used to show commands in this manual is shown below VOLTage DC RANGe lt range gt MINimum MAXimum The command syntax shows most commands and some parameters as a mixture of upper and lower case letters The upper case letters indicate the abbreviated spelling for the command For shorter p
62. SetAttribute usb unsigned long vi unsigned long viAttr unsigned long attrstat PviOpenDefaultRM usb signed long __stdcall unsigned 153 long GetProcAddress hUSBTMCLIB LPCSTR viOpenDefaultRM PviFindRsrc usb signed long stdcall unsigned long char unsigned long unsigned long char GetProcAddress hUSBTMCLIB LPCSTR viFindRsrc PviClose usb signed long stdcall unsigned long GetProcAddress hUSBTMCLIB LPCSTR viClose PviOpen usb signed long stdcall unsigned long char unsigned long unsigned long unsigned long GetProcAddress hUSBTMCLIB LPCSTR viOpen PviWrite usb signed long stdcall unsigned long unsigned char unsigned long unsigned long GetProcAddress hUSBTMCLIB LPCSTR viWrite PviRead_usb signed long __stdcall unsigned long unsigned char unsigned long unsigned long GetProcAddress hUSBTMCLIB LPCSTR viRead PviSetAttribute_usb signed long __stdcall unsigned long unsigned long unsigned long GetProcAddress hUSBTMCLIB LPCSTR viSetAttribute if PviOpenDefaultRM usb NULL PviFindRsrc_usb NULL PviClose_usb NULL PviOpen_usb NULL PviWrite_usb NULL PviRead_usb NULL PviSetAttribute_usb NULL FreeLibrary RUSBTMCLIB hUSBTMCLIB NULL MessageBox NULL NIVISA for USBTMC library not ready M3510 multimeter device test MB OK return 154 printf n Start C
63. Strout 20 amp nWritten Sleep 3000 Fetch the M3510 measure value screen value Set Voltage DC measure strcpy pStrout CONF VOLT DC 0 1 0 1 status PviWrite usb m instr usbtmc unsigned char pStrout 21 amp nWritten Sleep 1000 Send read command strcpy pStrout READ status PviWrite usb m instr usbtmc unsigned char pStrout 6 amp nWritten Sleep 30 printf output READ n status PviRead usb m instr usbtmc pStrin 64 amp nRead if nRead 0 1 for len 0 len long nRead len buffer len pStrin len buffer nRead 0 printf input s n n buffer Set device to local mode strcpy pStrout system local 158 status PviWrite_usb m_instr_usbtmc unsigned char pStrout 13 amp nWritten free pStrout Close device if IAUSBTMCLIB return m nCount 0 m defaultRM usbtmc 0 FreeLibrary RUSBTMCLIB hUSBTMCLIB NULL return 159 9 DECLARATION OF CONFORMITY PICOTEST ccording to ISO IEC Guide 22 and CEN CENELEC EN 45014 Conformity with the following European Directives The product herein conforms with the requirements of the Low Voltage Directive 2006 95 EC and the EMC Directive 2004 108 EC and goes with the CE Marking accordingly Conformity with the following product standards Manufacturer Name Picotest Corp Manufacturer Address 5F 1 286 9 Hsin Ya Rd 80
64. Sure CONTinuity DIODe 140 COUNt value gt COUNt MINimum MAXimum SENSe FUNCtion CONTinuity FUNCtion DIODe FREQuency VOLTage RANGe lt range gt MINimum MAXimum FREQuency VOLTage RANGe MINimum MAXimum FREQuency VOLTage RANGe AUTO OFF ON FREQuency VOLTage RANGe AUTO PERiod VOLTage RANGe lt range gt MINimum MAXimum PERiod VOLTage RANGe MINimum MAXimum PERiod VOLTage RANGe AUTO OFF ON PERiod VOLTage RANGe AUTO ZERO AUTO CALCulate PERCent TARGet lt va ue gt MINimum MAXimum PERCent TARGet MINimum MAXimum AVERage MINimum AVERage MAXimum AVERage AVERage AVERage COUNt NULL OFFSet lt value gt MINimum MAXimum NULL OFFSet MINimum MAXimum LIMit LOWer lt value gt MINimum MAXimum LIMit LOWer MINimum MAXimum LIMit UPPer lt value gt MINimum MAXimum LIMit UPPer MINimum MAXimum MXB MMFactor lt va ue gt MINimum MAXimum MXB MMFactor MINimum MAXimum MXB MBFactor lt va ue gt MINimum MAXimum MXB MBFactor MINimum MAXimum DB REFerence lt value gt MINimum MAXimum DB REFerence MINimum MAXimum DBM REFerence lt value gt MINimum MAXimum 141 DBM REFerence MINimum MAXimum CONFigure CONTinuity DIODe C 12 IEEE 488 Compliance Information IEEE 488 2 Common Commands CLS ESE enable value ESE ESR IDN OPC OPC PSC 5011 PSC RST SRE enable value SRE S
65. TATe SENSe ZERO AUTO OFF ONCE ON ZERO AUTO MATH OPERATION Commands There are eight math operations Only one of them can be enabled at a time They either store data for later use or perform mathematical operations on the readings Note that these eight math operations are available to all measurement functions except continuity and diode testing 94 The math operations use one or more internal registers You can preset the values in some of the registers while others hold the results of the math operations CALCulate FUNCtion PERCent AVERage NULL LIMit MXB DB DBM FUNCtion STATe OFF ON STATe CALCulate PERCent TARGet lt va ue gt MINimum MAXimum PERCent TARGet MINimum MAXimum CALCulate AVERage MINimum AVERage MAXimum AVERage AVERage AVERage COUNt CALCulate NULL OFFSet lt value gt MINimum MAXimum NULL OFFSet MINimum MAXimum CALCulate LIMit LOWer lt value gt MINimum MAXimum LIMit LOWer MINimum MAXimum LIMit UPPer lt value gt MINimum MAXimum LIMit UPPer MINimum MAXimum CALCulate MXB MMFactor lt va ue gt MINimum MAXimum MXB MMFactor MINimum MAXimum MXB MBFactor lt va ue gt MINimum MAXimum MXB MBFactor MINimum MAXimum 95 CALCulate DB REFerence lt value gt MINimum MAXimum DB REFerence MINimum MAXimum CALCulate DBM REFerence lt value gt MINimum MAXimum DBM REFerence MINimum MAXimum DATA FEED RDG STORE CALCulate D
66. TB TRG Dedicated Hardware Lines Addressed Commands ATN IFC REN SRQ Attention Interface Clear Remote Enable Service Request Interrupt DCL EOI GET 142 LLO SDC SPD SPE Device Clear End or Identify Message Terminator Group Execute Trigger Go to Local Local Lock Out Selected Device Clear Serial Poll Disable Serial Poll Enable Using Device Clear to Halt Measurements Device clear is an IEEE 488 low level bus message which can be used to halt measurements in progress Different programming languages and IEEE 488 interface cards provide access to this capability through their own unique commands The status registers the error queue and all configuration states are left unchanged when a device clear message is received Device clear performs the following actions eAll measurements in progress are aborted multimeter returns to the trigger idle state The multimeter s input and output buffers are cleared multimeter is prepared to accept a new command string For RS 232 operation sending the lt Ctr C gt character will perform the equivalent operations of the IEEE 488 device clear message The multimeter s DTR data terminal ready handshake line will be true following a device clear message See DTR DSR Handshake Protocol for further details 143 TALK ONLY for Printers You can set the address to 31 which is the ta k only mode In this mode the multi
67. TH of ACI Refer to 4 1 2 1 or skip this step to use the default settings Press SHIFT DCV or SHIFT ACV buttons for DCI or ACI measurement Select the auto range function by pressing SHIFT ESC buttons on the front panel or use and buttons to manully select a desired range 5 Connect test leads to your source signal and observe readings shown on the display If the input signal is greater than the allowed range an overflow message OVLD will be displayed 31 3 4 Resistance Measurements 2 amp 4 wire The ranges for resistance measurement 100 Q 1KQ 10K2 100KQ 1MQ 10 0 and 100MQ with a sensitivity of 100 uQ at 100 Q range There are two modes for measuring the resistance 2 wired mode and 4 wire mode With 4 wire mode the test current is measured from the test resistance through one pair of the test leads and the test voltage across the resistance under test is measured from another set of the test leads Asaresult the 4 wire mode is more accurate for low resistance measurements The trade off is the longer settling time for 4 wire mode How to measure resistance 1 Connectthe test leads to the terminals as shown in Figure 3 1 and 3 2 2 Set RESOLUTION Refer to 4 1 3 or skip this step to use the default setting 3 Press Q2 button for 2 wire measurement or 5 2 buttons for 4 wire measurement 4 Select the auto range function by pressing SHIFT ESC button on the front panel or u
68. and will be cleared after the meter has been turned off or a remote interface reset How to use MX B function You can use function from the front panel operation or the remote interface operation Front Panel Operation To set the values of M and B 1 Dothe procedure SHIFT NULL gt MX B gt ENTER gt SET gt ENTER to access the setting 2 Use 4 and to move through the digits and use A and V to increase or decrease the number to a desired value under the SET M and SET B setting mode Press ENTER to confirm the value and actuate the function 72 Remote Interface Operation Use the following commands to enable and configure MX B function CALCulate FUNCtion MXB CALCulate STATe OFF ON CALCulate STATe CALCulate MXB MMFactor lt va ue gt MINimum MAXimum CALCulate MXB MMFactor MINimum MAXimum CALCulate MXB MBFactor value MINimum MAXimum CALCulate MXB MBFactor MINimum MAXimum 4 3 6 dB dBm dB Definition The dB feature takes a DC or AC voltage measurement and displays it in decibel unit in correspondence to a relative reference value The calculation of dB is listed below dB 20xlog o p Or dB Input signal in dBm relative value in dBm NOTE The V is the input signal and the V is the relative reference The dB measurement is applied to DC and AC voltage only The relative value is adjustable and is stored in a volatile memory The range for the relative va
69. ate or the condition of an ongoing measurement They are explained individually in the following sections 26 2 17 2 2 2 1 5 ADR Indicates the multimeter is controlled via GPIB Interface RMT REMOTE Indicates the remote state USB Interface MAN Indicates the manual range is taken TRIG Indicates the Single Triggering or External Triggering is enabled HOLD Indicates reading hold function is enabled MEM Indicates the using of internal memory MATH Indicates the MATH operation is taken FILT The digital filter is started SHIFT Indicates SHIFT button is pressed ERR Error occurs 4W Indicates 4 wire mode is selected for resistance measurement e Indicates the continuity testing is enabled OFF Indicates the front panel display is turned off RAT Indicates the RATIO operation is taken 2nd Indicates 2ND function in use 2 2 3 The Rear Panel The rear panel of the M3510A 11A is shown in Figure 2 20 This figure includes important abbreviated information that should be reviewed before using the instrument 27 Figure 2 20 VM COMP Voltmeter Complete Output Terminal Outputs a low true pulse from a remote interface EXT TRIG Terminal to be used when choosing external triggering USB Connection USBTMC Connects a remote computer for changing operation environment instead of the front panel control Chassis Ground Power Module Contains t
70. ation has higher priority over the front panel operation Front Panel Operation Do the procedure SHIFT CONFIG buttons gt SYSTEM gt ENTER gt DISPLAY gt ENTER gt ON OFF gt ENTER to enable disable the display Remote Interface Operation The following commands show how to control the display as well as how to send a message to the display DISPlay OFF ON turns off or turns on the display DISPlay TEXT lt quoted string gt displays the string you type in DISPlay TEXT CLEar clears the message displayed 4 4 2 Beeper M3510A 11A beeps when some certain conditions are met or when an error occurs But there may be time you want to disable the beeper for some operations Although you can turn off the beeper the click sound you hear when a button is pressed will not be disabled The beeper state is stored in a non volatile memory and the default will be restored when the meter has been turned off or after a remote interface reset By disabling the beeper you will not hear the meter beeps when Anew minimum or maximum is found in Min Max operation A stable reading is detected and held The test voltage is within the limits in diode testing The source signal fails the limit testing 77 After the beeper is disabled the meter still emits a tone when An error occurs Any button on the front panel is pressed e The threshold value is exceeded in continuity testing Default The beeper is enabled whe
71. c voltage measurement with the specified range and resolution The reading is sent to the output buffer MEASure VOLTage DC RATio lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF Preset and make a dc dc ratio measurement with the specified range and resolution The reading is sent to the output buffer For ratio measurements the specified range applies to input signal yet autorange is selected for the reference signal MEASure VOLTage AC lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF Preset and make an AC voltage measurement with the specified range and resolution The reading is sent to the output buffer For AC measurement resolution is fixed at 6 digits Therefore the resolution parameter only affects the front panel display MEASure CURRent DC range MIN MAX DEF 1 resolution MIN DEF Preset and make a dc current measurement with the specified range and resolution The reading is sent to the output buffer MEASure CURRent AC 1 range MIN MAX DEF 1 resolution MIN MAX DEF Preset and make a AC current measurement with the specified range and resolution The reading is sent to the output buffer For AC measurement resolution is fixed at 6 digits Therefore the resolution parameter only affects the front panel display MEASure RESistance range MIN MAX DEF 1 resolution MIN DEF Preset and make a 2 wire O measurement with the s
72. clear message 2 Clear the event registers by using CLS command 3 Enable operation complete by using the ESE 1 command 4 Send the OPC command and enter the result to enable synchronization 5 When bit 5 is set in the status byte summary register please use a serial poll to check Then users could set the DMM for an SRQ interrupt by using SRE 32 Usage of the Messages Available Bit MAV You can use the status byte message available bit 4 to decide when data is available to read in the bus controller When the first reading trigger occurs by using the command TRIGger SOURce IMMediate the DMM will automatically enable the bit 4 The DMM will clear bit 4 only after entire messages have been read from the output buffer The MAV bit can indicate only when the first reading is generated by the READ command So this will be helpful for users as a trigger event such as BUS or EXTernal will occur In addition the MAV bit is set only after all specified measurements have completed by using the INITiate and FETCH commands That means in detail the INITIate command is used to store readings in the DMM s internal memory And the FETCH command is used to transfer readings to the DMM s output buffer Signal by Using OPC When Data is in the Output Buffer Normally to use the operation complete bit O in the standard event register will signal as a command sequence is completed The bit is set in the register after executing an OPC
73. ds to set up the thermocouple configuration SENSe UNIT Cel Far K SENSe UNIT SENSe TCOuple TYPE E J K N R S T SENSe TCOuple TYPE SENSe TCOuple RJUNCtion SIMulated 1 value SENSe TCOuple RJUNCction SIMulated 58 4 1 8 Remote Interface Selection The M3510A 11A provides a standard USB and supports an optional GPIB RS 232 interface but only one interface can be activated at a time If you are using GPIB you must set an address for the multimeter You can set the address to any value from 0 and 31 and the setting will be stored in the non volatile memory which won t be changed while being powed off or reset under remote control The address is set to 22 when the multimeter is shipped from the factory Note The remote interface can only be set through the front panel operations How to select a remote interface 1 Press SHIFT CONFIG buttons Then use lt and buttons to locate INTERFACE Press ENTER to select it 2 Use 4 and buttons to toggle between USB and GPIB Press ENTER on your choice of interface How to set address when using GPIB 1 Press SHIFT CONFIG buttons and then use lt and buttons to locate INTERFACE Press ENTER to select 2 Use lt and gt buttons to locate GPIB Press ENTER to select it 3 Use 4 and b buttons to move through the digits and and buttons to adjust the numbers to a desired GPIB address Press ENTER to set
74. e second number is for I O processor and the third number is for the front panel processor 4 4 9 Calibration M3510A 11A will show the latest calibrated date and the next calibration date on the display after following the operation below How to view the calibration information Do the procedure SHIFT CONFIG gt CALIBRATE gt ENTER to check the last calibrated date and the next calibration date 4 4 10 Self Test Self test procedures are built in M3510A 11A for checking that the logic and measurement hardware are functioning properly Every time when the multimeter is powered on a set of test procedures is performed to make sure the basic function of the multimeter works properly If any error occurs during self test procedures it indicates that parts of the multimeter are not operating properly and need to be serviced A Warning Erroneous self test failures may occur if the setting of 83 power line voltage is incorrect Errors may also occur because of signals present on the input terminal during self test procedure Long test leads can act as an antenna causing pick up of ac signals How to execute Self test This test procedure provides more tests for the hardware of M3510A 11A than the power on tests Do the procedure SHIFT CONFIG gt SYSTEM gt ENTER gt SELF TEST gt ENTER to start the self test After self test procedure the result PASS or FAIL will be shown on the display If the result is FAIL the ERR
75. e programming flexibility than the MEASure command This allows you to incrementally change the multimeter s configuration The example is is shown in Visual Basic Creating the Application Create a new Visual Basic project as follows 1 Create a new Standar EXE project 2 To set the startup object for a Windows Application to Sub Main 3 Add New Module Declare a Sub Main LISTING C 2 THE CONFigure FUNCTION Public Declare Sub Sleep Lib kernel32 ByVal dwMilliseconds As Long 148 Sub main Rem Using NI VISA library visa32 dll Rem Rem Set sample count 5 configuration and Rem read the trigger Rem Rem 3E JE E EHE E TEE E HE HE E HE HE E EHE E HE HE E EHE E HERE E EHE E HEHETE HERE E HE EE EE Dim stat As ViStatus Dim dfltRM As ViSession Dim sesn As ViSession Dim fList As ViFindList Dim desc As String VI FIND BUFLEN Dim nList As Long Dim ret As Long Dim readin As String 128 Dim i As Integer Array index stat viOpenDefaultRM dfltRM If stat VI SUCCESS Then Rem Error initializing VISA exiting MsgBox USBTMC resource not found vbExclamation M3510 multimeter device test Exit Sub End If Rem Find all M3510 USBTMC instruments in the system stat viFindRsrc dfltRM USB 0 9 0x05E6 0xM3510 INSTR fList nList desc If stat VI SUCCESS Then Rem Error finding resources exiting MsgBox M3510
76. elect a delay time use the following command or set the trigger delay to be automatic TRIGger DELay lt seconds gt MINimum MAXimum or TRIGger DELay AUTO OFF ON 4 3 Math Operations This section will introduce the mathematical operations in M3510A 11A There are seven math operations PERCENT AVERAGE NULL LIMITS HIGH LIMIT LOW LIMIT MX B dB and dBm testing They either store data for later use or perform mathematical operations on the readings Note that these math operations are available to all measurement functions except diode and continuity testing 4 3 1 Percent Definition This mathematical function calculates the ratio of a measurement 67 reading to a specified target value as the form of percentage calculation formula is shown below Input Reading 100 Target Value The specified target value is stored in a volatile memory and will be cleared after the meter has been turned off or a remote interface reset How to use Percent function There are two ways to make a percent measurement Through the front panel operation or through the remote interface operation Front Panel Operation 1 Press SHIFT NULL to enter MATH submenu 2 Seta difined parameter via the path PERCENT gt TARGET gt ENTER 3 Use 4 and gt to move through the digits and and buttons to increase or decrease the numbers to a desired target value Press ENTER to confirm and use the value Obse
77. elect auto range function by pressing SHIFT ESC button on the front panel or use A and V buttons to manually select desired range 5 Connect test leads to your source signal and observe readings shown on the display If the input signal is beyond the allowed range an overflow message OVLD will be displayed 29 3 2 Ratio Measurements DC Voltage only This function calculates the ratio of an input DC voltage to a reference DC voltage according to the following equation DC Input Volt Ratio LEITET DC Reference Voltage Note This function only applies to DC voltage measurement At the Sense terminals dc voltage is always there while using the reference voltage measurement function which has a maximum measurable input of 1 2 Vdc The Input LO and Sense LO terminals having a common reference can t have a voltage difference greater than 0 2 volts The specified measurement range is used only for the signal connected to the Input terminals And the signal on the Input terminals can be any dc voltage up to 1000 volts How to make a ratio measurement There are two ways to make a ratio measurement Through the front panel operation or through the remote interface operation Front Panel Operation Press the and the CONFIG buttons Use 4 and buttons to locate RATIO option Press ENTER to finish Remote Interface Operation Use the following command to make a RATIO measurement CONFigure VOLTage
78. ene Rubber Banana Plug Body Brass Nickel Plated Spring Beryllium Copper Nickel Plated Insulation Polypropylene Resin Flasme Retardant Grade 2038 Others If any part of the Test Lead Set is damaged please do not use and replace with a new set A Warning If users use the Test Lead Set without following the specification of Picotest Corp the protection of the Test Lead Set could be impaired In addition please don t use a damaged Test Lead Set against the instrument break or personal injury 1 8 Options and Accessories The following accessories are able to be used with the Model M3510A 11A Please refer to Table 1 1 Table 1 1 Part Name Part Number GPIB Card M3500 opt04 RS 232 Card M3500 opt06 11 M3500 opt07 4 Wired Test Leads M3500 opt08 Shorting Plug M3500 opt10 K Type Thermocouple M3500 opt11 1 9 The M3510A 114A s Dimension Please get the dimension s information in the following different ways 1 The dimension without the handle and the front amp Rear Bumpers is in the following Picture 1 LxWxD 214 6x88 6x280 7 2 The dimension with the handle and the front amp Rear Bumpers is in the following Picture 2 LXWxD 252 8x107x305 mm 3 The dimension with the front amp Rear Bumpers but without the handle is in the following Picture 3 LXWxD 226 8x107x305 mm e 214 6mm 280 mm 88 6mm 22
79. ent Register Enable Register Operation Complete Output Buffer OR ESR ESE values ESE 132 About the Status Byte The conditions from other status registers will be reported by the status byte summary register The query data waiting in the multimeter s output buffer is reported immediatedly through the message available in bit 4 Besides bits are not latched in the summary registers In addition to clear an event register will clear the according bits in the status byte summary register And to read all messages in the output buffer including all pending queries will clear the message available bit The following list shows the definition of each bit Decimal Bit Definition Value Not Used 1 Set to 0 Not Used 2 Set to 0 Not Used 4 Set to 0 One or more bits are set in the questionable data register Bits have Questionable Data 8 to be enabled in enable register Message Available 16 Data the DMM s output buffer is available One or more bits are set in the Standard Event Register Bits have to Standard Event 32 be enabled in enable register Request Service 64 The DMM is requiring service Serial Poll Not Used 128 Set to 0 On the other hand there are some conditions that users have to note The following conditions will clear the summary register Users execute a CLS clear status
80. er has been off or a remote interface reset CALCulate PERCent TARGet MINimum MAXimum Query the target value for percent math function CALCulate AVERage MINimum Read the minimum value found during the Min Max operation The multimeter clears the value when Min Max is turned on when the power has been off or a remote interface reset CALCulate AVERage MAXimum Read the maximum value found during the Min Max operation The multimeter clears the value when Min Max is turned on when the power has been off or a remote interface reset CALCulate AVERage AVERage Read the average value of all readings taken since the Min Max operation has been enabled The multimeter clears the value when Min Max is turned on when the power has been off or a remote interface reset CALCulate AVERage COUNt Read the number of readings taken since Min Max has been enabled The 125 multimeter clears the value when Min Max is turned on when the power has been off or a remote interface reset CALCulate NULL OFFSet lt va ue gt MINimum MAXimum Store a null value in the multimeter s Null Register You must turn on the math operation before writing to the math register You can set the null value to any number between 0 and 120 of the highest range CALCulate NULL OFFSet Query the null value CALCulate LIMit LOWer lt value gt MINimum MAXimum Set the lower limit for limit testing You can set the value to any number from 0
81. erature RTD SENSe FUNCtion 1 2 VOLTage DC SENSe FUNCtion 1 2 VOLTage AC SENSe FUNCtion 1 2 Note Query measurement function SENSe FUNCtion2 None Note Turn off secondary display and it s valid only when used with FUNC2 SENSe function RANGe lt lt gt Select a range for the selected function For frequency and period measurements range applies to the signal s input voltage not its frequency use FREQuency VOLTage or PERiod VOLTage MIN selects the lowest range for the selected function MAX selects the highest range SENSe function RANGe MINimum MAXimum Query the range for the selected function For frequency and period use FREQuency VOLTage or PERiod VOLTage Autorange thresholds Down range at lt 10 of range Up range at gt 120 of range SENSe function RANGe AUTO OFF ON Disable or enable autorange for the selected function SENSe function RANGe AUTO Query the autorange setting Return 1 ON or 0 OFF SENSe function RESolution resolution Set resolution for the selected function not valid for frequency period or ratio Specify the resolution in the same units as the measurement function not in number of digits MIN selects the smallest value accepted which gives the most resolution MAX selects the largest value accepted which gives the least reso
82. es for general measurements such as 1 DCV 100 1 10V 100V amp 1000V 2 100mV 1V to 750V 3 DCI 10mA 100mA 1A 4 10A 4 1 4 10A 5 2 amp 4 wired resistance 1000 1KQ 10KQ 100KO 1MO 10MQ amp 100MQ2 6 Capacitance inF 10nF 100nF 1yF 10uF 100uF 1000 UF amp 10000 7 Thermocouple 250 2316 RTD 2W amp 4W 9 Frequency amp Period 100mV to 750V From 3Hz to 300 2 10 Diode 1V 11 Continuity for 2W 10002 Some additional capabilities of M3510A 11A include e Full Math Functions Percent Average Null Limits MX B dB amp dBm Resolution Adjustment 0 001 0 006 0 02 0 06 0 2 0 6 1 2 10 amp 100 NPLC e USB amp GPIB Optional remote control interface e Through M3510 AP software PT TOOL for simulating the real operation on PC Through Microsoft Office Word amp Excel PT LINK for remotely storing and recalling the measured values 1 2 Warranty Information If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired 1 Warranty PICOTEST CORP guarantees that this product meets its published specifications at the time of shipment from the factory Under proper installation it should work as expected 2 Warranty Period This equipment is warranted against defects in material and manufacturing for a period of one year from the date of shipment During
83. et reading for each subsequent measurement However when Auto Zero is disabled the meter only takes one offset reading each time when you change the function settings Defaults The default setting for Auto Zero is enabled The user selected values for 44 Auto Zero are stored a volatile memory and the default setting will be restored when the meter is power off How to set Auto Zero The following steps show how to set Auto Zero directly through the front panel Be aware that Auto Zero setting is always affected by the resolution setting Whenever the resolution is altered Auto Zero may be changed accordingly You can change the Auto Zero setting through the front panel or through the remote interface operation Front Panel Operation 1 Press SHIFT CONFIG buttons 2 Use 4 and gt buttons to toggle SET ADC ENTER gt AUTO ZERO ENTER gt ON OFF ENTER Note To change resolution refer to 4 1 3 Resolution Setting Remote Interface Operation To set Auto Zero through the remote interface use the following commands SENSe ZERO AUTO OFF ONCE ON The OFF and ONCE parameters have a similar effect Auto Zero OFF doesn t issue a new offset measurement However Auto Zero ONCE issues an immediate offset measurement 4 1 2 Filter Filter is used to remove noises in measurement readings M3510A 11A is equipped with two types of filters AC filter and digital filter filter is for AC measurements only It also
84. eue the multimeter responds with 0 No error The error queue is cleared when power has been off or after a CLS clear status command has been executed The RST reset command does not clear the error queue 6 1 Error Type There is only one type over here execution errors If the errors user can t find here please contact with your seller for help 6 1 1 Execution Errors 101 Invalid character An invalid character was found in the command string 102 Syntax error Invalid syntax was found in the command string 103 Invalid separator An invalid separator was found in the command string 100 104 Data type error A parameter type error was found in the command string 105 GET not allowed A Group Execute Trigger GET is not allowed in the command string 108 Parameter not allowed More parameters were found than needed for the command 109 Missing parameter Not enough parameters were received for the command 112 Program mnemonic too long A command header with too many characters was received 113 Undefined header An invalid command was received 121 Invalid character in number An invalid character was found in the number specified for a parameter value e 123 Numeric overflow A numeric parameter with exponent larger than 32000 was found 124 Too many digits A numeric parameter was found whose mantissa contained more than 255 digits excluding
85. f temperature measurements with RTDs 2 wire 3 wire and 4 wire measurements You will find connection instructions and measuring procedures in the following sections 3 8 2 1 2 Wire RTD Measurements How to measure temperature with 2 Wire RTD The following Figure 3 4 shows theory diagram of 2 Wire RTD measurement 1 Insert a specified adapter into the front terminals Press TEMP button 3 Configure sensor type 2W RTD and unit by using the CONFIG button refer to 4 1 7 or skip this step to use the default settings 4 Observe and take readings on the display Figure 3 4 Note Source current flows from the INPUT to INPUT LO terminals 37 3 8 2 2 4 Wire RTD Measurements How to measure temperature with 4 Wire RTD The following Figure 3 5 shows theory diagram of 4 Wire RTD measurement 1 Insert a specified adapter into the front terminals Press TEMP button Configure sensor type 4W RTD and unit by using the CONFIG button refer to 4 1 7 or skip this step to use the default setting 4 Observe and take readings on the display SENSE p Platinum RANGE Figure 3 5 3 8 2 2 1 Support 3 Wire RTD Measurements How to measure temperature with 3 Wire RTD The following Figure 3 6 shows theory diagram of 3 Wire RTD measurement 1 Insert a specified adapter into the front terminals Press TEMP button 3 Configure sensor type 4W RTD and unit by using the CONFIG button refer to 4 1
86. gested to select However the NPLC setting is used for DCV 02 amp 04 functions only The lowest PLC on each digit range is the 46 rapidest selection such as 0 001 PLC at 4 1 2 digits 0 2 at 5 1 2 digits and 10 PLC at 6 1 2 digits The following table 4 3 shows the relationship between the integration time and the measurement resolution Table 4 3 Integration Time PLC Resolution with Full Scale 0 001 0 0003 0 006 0 0002 0 02 0 0001 0 06 0 00005 0 2 0 00001 0 6 0 000005 0 000003 2 0 000002 10 0 000001 100 0 0000003 In addition the resolution setting applies to all math operations under the selected measurement function The selected value is stored in a volatile memory and the setting is only valid for the present measurement functions You can select different resolution for different measurement functions Default The default value for the resolution is 6 1 2 digits with 10 PCL and the default value will be restored when the meter has been turned off or after a remote interface reset The manual selected value for the resolution setting is stored in a volatile memory and the setting is only valid for the present measurement function Please refer to Table 2 1 on page 23 How to set the resolution The resolution can be set either through the front panel or the remote interface operation Front Panel Operation 1 First select your desired measurement functio
87. gger Mode There are three trigger modes in M3510A 11A auto immediate and single triggering You can specify the trigger mode for your measurement The factory default is auto triggering when the meter is power on A Auto Triggering Mode Front Panel Operation only Definition Auto triggering takes continuous readings at a fastest rate possible for the present measurement The rate of taking readings depends on the current settings This function is only available through the front panel The auto triggering is also the default for trigger mode M3510A 11A How to use Auto Trigger 1 Press SHIFT and TRIGGER on the front panel to enable auto trigger mode B Internal Immediate Trigger Mode Remote Interface Operation Only Definition The immediate triggering mode is only available through the remote interface operations and it is the default for the remote interface operations When the meter is in immediate trigger mode a trigger will be issued immediately as soon as the meter is in wait for event state How to use Immediate Trigger Use the following command in your PC terminal to set the internal immediate trigger TRIGger SOURce IMMediate C Single Trigger Mode Front panel operation only Definition Single trigger mode takes one reading or specified number of readings 61 each time when user presses TRIGGER key Please refer to 4 2 3 for setting the number of samples on each trigger When the TRIG annunciat
88. he AC line receptacle power line fuse and line voltage setting Configured for line voltages such as 100 120 220 240V Depend on the power utility in your area Option GPIB IEEE488 2 Connection RS 232 Connects a remote computer with an IEEE488 cable or RS 232 card for changing operation environment instead of the front panel control Model M3500 opt04 M3500 opt06 28 Basic Measurement Function This chapter introduces some basic measurement functions M3510A 11A You will learn how to use your M3510A 11A to measure voltage current resistance frequency period continuity diode and temperature in this chapter 3 1 Voltage Measurements DCV amp ACV The ranges for DC voltage measurements in M3510A 11A are 100 1V 10V 100V and 1000V For AC voltage measurements the ranges are 100mvV 1V to 750V AC Coupled TRMS or 1000V peak Warning Do not apply more than 1000 peak to the multimeter Applying excess voltage may damage your meter or cause possible electric shock or personal injury Note To eliminate the thermal EMFs due to the differences between two metals use copper leads to connect your source signal to the meter How to measure voltage 1 Connect the test leads to the terminals on the front panel 2 Set RESOLUTION of DCV refer to 4 1 3 BAND WIDTH of ACV refer to 4 1 2 1 or skip this step if default is to be used 3 Press DCV or ACV button for DC or AC voltage measuring 4 S
89. hold resistance is 102 Your 50 selection is stored a volatile memory and the default value will be restored after the meter has been turned off How to set the threshold resistance You can change the threshold resistance only through the front panel 1 Press CONT button and then CONFIG button 2 Press ENTER button to access the threshold resistance settings 3 Use 4 and gt buttons to move through the digits and lower increase the number to your desired value by using A V buttons 4 Press ENTER button again to confirm the value 4 1 5 Range Manual amp Auto Definition When making measurements except CONT DIODE TCOUPL and Temperature M3510A 11A will automatically choose a range for you or you can select an appropriate range manually The difference between auto range and manual range is the settling time Auto range is a convenient way for you but manual range can usually speed up the process If the input signal is beyond allowed range an OVLD message will be shown on the display The thresholds of maximum minimum readings for each range are 120 of the range for maximum and 10 of the range for minimum Default The default is auto range The manual selected range is stored in volatile memory and the default will be restored when the meter is power off Please refer to Table 2 1 on page 23 for the factory default range How to set the auto manual range You can set the auto manual range
90. imeter will stop making measurements when the output buffer fills Readings are not stored in the multimeter s internal memory when using the READ Command Using the READ Command has a similar effect as using the INITiate command followed immediately by the FETCh command except readings are not buffered internally The INITiate and FETCh Commands These two commands provide the lowest level of control of measurement triggering and reading retrieval but offer the most flexibility After you have configured the multimeter use INITiate command to change the state of the triggering system from the idle state to the wait for trigger state The multimeter will start the measurements when the specified trigger condition requirements are met after it receives the INITiate command The results are sent to the internal memory and stored until you are ready to read them The FETCh command sends the data in the multimeter s internal memory to the output buffer where you can read them into your bus controller The SENSe Commands Note Default parameters are shown in bold italic 90 SENSe FUNCtion VOLTage DC FUNCtion VOLTage DC RATio FUNCtion VOLTage AC FUNCtion CURRent DC FUNCtion CURRent AC FUNCtion RESistance 2 wire Q FUNCtion FRESistance 4 wire FUNCtion FREQuency FUNCtion PERiod FUNCtion CAPacitance FUNCtion CONTinuity FUNCtion DIODe FUNCt
91. inary condition that is either true or false For a false condition the multimeter will accept OFF or 0 For a true condition the multimeter will accept ON or 1 When you 113 uery boolean setting the instrument will always return or The y a bool tt th t t will always return 70 or 1 Th following command uses a boolean parameter VOLTage RANGe AUTO OFF ON String Parameters String parameters can contain virtually any set of ASCII characters A string must begin and end with matching quotes either with a single quote or with a double quote You can include the quote delimiter as part of the string by typing it twice without any characters in between The following command uses a string parameter DISPlay TEXT quoted string C 2 Output Data Formats Output data will be in one of formats shown in the table below Type of Output Data Non reading queries Single reading IEEE 488 Multiple readings IEEE 488 Single reading RS 232 Multiple readings RS 232 Output Data Format 80 ASCII character string SD DDDDDDDDESDD nl SD DDDDDDDDESDD nl SD DDDDDDDDESDD cr nl SD DDDDDDDDESDD cr nl S Negative sign or positive sign D Numeric digits E Exponent nl newline character cr carriage return character 114 MEASure VOLTage DC lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF Preset and make a d
92. ion TCOuple FUNCtion TEMPerature FUNCtion SENSe VOLTage DC RANGe lt range gt MINimum MAXimum VOLTage DC RANGe MINimum MAXimum VOLTage AC RANGe lt range gt MINimum MAXimum VOLTage AC RANGe MINimum MAXimum CURRent DC RANGe lt range gt MINimum MAXimum CURRent DC RANGe MINimum MAXimum CURRent AC RANGe lt range gt MINimum MAXimum CURRent AC RANGe MINimum MAXimum RESistance RANGe lt range gt MINimum MAXimum RESistance RANGe MINimum MAXimum FRESistance RANGe lt range gt MINimum MAXimum FRESistance RANGe MINimum MAXimum FREQuency VOLTage RANGe lt range gt MINimum MAXimum FREQuency VOLTage RANGe MINimum MAXimum PERiod VOLTage RANGe lt range gt MINimum MAXimum PERiod VOLTage RANGe MINimum MAXimum CAPacitance RANGe lt range gt MINimum MAXimum CAPacitance RANGe MINimum MAXimum 91 SENSe VOLTage DC RANGe AUTO OFF ON VOLTage DC RANGe AUTO VOLTage AC RANGe AUTO OFF ON VOLTage AC RANGe AUTO CURRent DC RANGe AUTO OFF ON CURRent DC RANGeAUTO CURRent AC RANGe AUTO OFF ON CURRent AC RANGe AUTO RESistance RANGe AUTO OFF ON RESistance RANGe AUTO FRESistance RANGe AUTO OFF ON FRESistance RANGe AUTO FREQuency VOLTage RANGe AUTO OFF ON FREQuency VOLTage RANGe AUTO PERiod VOLTage RANGe AUTO OFF ON PERiod VOLTage RANGe AUTO CAPacitance RANGe AUTO OFF ON CAPacitance RANGe AUTO SENSe VOLTage DC RESolution lt resolution gt MINimum
93. ion string such as the maker s and the product s names be sure to dimension a string variable with at most 39 characters DATA POINts Query the number of readings stored in the multimeter s internal memory RST Reset the multimeter to the power on configuration This command can not clear the error queue 130 IDN Read the multimeter s identification string be sure to dimension a string variable with at least 35 characters Other Interface Commands SYSTem LOCal Place the multimeter in the oca mode All buttons on the front panel are fully functional SYSTem REMote Place the multimeter the remote mode All buttons on the front panel except the LOCAL button are disabled C 9 The SCPI Status Pattern Status registers are provided in the same way by all SCPI equipment And there are three register groups with various equipment conditions recorded by the status system They are the Status Byte Register the Standard Event Register and the Questionable Data Register The Status Byte Register collects and records high level summary information which is reported in other register groups With the following diagram illustration users would make themselves clear for the SCPI status system In addition the Standard Event and the Questionable Data Registers have event registers which belong to read only registers and report defined conditions in a multimeter Bits are latched in the event registers As long as a
94. ipment and consult the local service representative Return the product to PICOTEST service department if necessary 1 6 Symbols Terms symbol indicates hazards that cause damages to the instrument or even result in personal injury This symbol indicates high voltage be present Use extra caution before taking any action This symbol indicates the frame or chassis terminal presented need to be connected to the actual earth ground D This symbol indicates Protective Conductor Terminal d This symbol indicates earth ground terminal This symbol indicates this product complies with the essential requirements or the applicable European laws or directives with respect to safety health environment and consumer protections A Note Full M3510A 11A specifications are included in Appendix 1 7 Inspection Your product package is supplied with the following items One M3510A 11A Multimeter unit 88 8 H x 214 6 W x 280 7 D mm approx 2 23 Kg One power line cord One USB cable Standard Test Leads One CD including this electronic User s Manual and software applications 10 Optional accessories According to the Table 1 1 as you ordered 1 M3510A 11A is provided with a Standard Test lead set described below Test Lead Ratings IEC 61010 031 CAT III Operating Voltage 1000V DC Current 10 Ampers UL CE Rated Material Probe Body Outer Insulation Santopr
95. leading zeros 131 Invalid suffix A suffix was incorrectly specified for a numeric parameter e 138 Suffix not allowed A suffix was received following a numeric parameter which does not accept a suffix 148 Character not allowed 101 A discrete parameter was received but a character string or a numeric parameter was expected 151 Invalid string data An invalid character string was received e 158 String data not allowed A character string was received but not allowed for the command 160 168 Block data errors Block data is not acceptable 170 178 Expression errors The meter does not accept mathematical expression e 211 Trigger ignored A Group Execute Trigger GET or TRG was received but the trigger was ignored 213 Init Ignored An INITiate command was received but could not be executed because a measurement was already in progress Send a device clear to halt a measurement in progress and place the meter in the idle state e 214 Trigger deadlock A trigger deadlock occurs when the trigger source is BUS and a READ Command is received e 221 Settings conflict This error can be generated in one of the following situations Situation 1 You sent a CONFigure or MEASure command with autorange enabled and with a fixed resolution Situation 2 You turned math on and then changed to a math operation that was not valid with the present measurement function Situation 3 When the auto
96. lue is between 0 dBm and 200 dBm and the default value is 0 dBm How to use dB feature You can either manually select a number for the relative reference or let the multimeter take the first reading 0 dB as the relative reference 73 Front Panel Operation to set the relative reference 1 Select a measurement function by pressing DCV or ACV button 2 Do the procedure SHIFT NULL gt dB gt ENTER gt REL to access the setting 3 Use 4 and gt to move through the digits and and buttons to increase or decrease the numbers to your desired value Press ENTER to set the value 4 Press ENTER on RUN to start measurement Note To disable the dB function you always need to go to Math submenu and select OFF or press other measurement buttons The MATH annunciator should not be lit when disabled Remote Interface Operation Use the following commands from your PC terminal to make the dB measurement CALCulate FUNCtion DB CALCulate STATe OFF ON CALCulate STATe CALCulate DB REFerence value dBm Definition With dBm selected a voltage measurement is displayed as the level of power relative to 1 milliwatt dissipated through a reference resistance The reference resistance is adjustable in M3510A 11A The calculation of dBm is defined as below dB Loxtog ref Note 1 the input signal voltage 2 is the reference resistance
97. lue is stored in a volatile memory and the default value will be restored when the meter is power off 52 How to set the integration time You can set the integration time either through the front panel operation or through the remote interface operation Front Panel Operation Integration time is set indirectly when you select the measurement resolution Please refer to 4 1 3 for details about how to set resolution or the digits Remote Interface Operation Use the following commands on your PC terminal to set the resolution CONFigure lt function gt lt range gt lt resolution gt MEASure lt function gt lt range gt lt resolution gt SENSe lt function gt RESolution lt resolution gt Or you can set integration time directly by the following commands SENSe VOLTage DC NPLCycles lt PLCs gt MINimum MAXimum SENSe VOLTage DC NPLCycles MINimum MAXimum SENSe CURRent DC NPLCycles lt PLCs gt MINimum MAXimum SENSe CURRent DC NPLCycles MINimum MAXimum SENSe RESistance NPLCycles lt PLCs gt MINimum MAXimum SENSe RESistance NPLCycles MINimum MAXimum SENSe FRESistance DC NPLCycles lt PLCs gt MINimum MAXimum SENSe FRESistance DC NPLCycles MINimum MAXimum For frequency and period measurements aperture time or gate time is analogous to integration time and you can use the following commands to set it Specify 10 ms 4 5 digits 100 ms default 5 5 digits or 1 second 6 5 digits SENSe FREQue
98. lution SENSe function RESolution MINimum MAXimum Query the resolution for the selected function SENSe UNIT Cel Far K 120 Select units for temperature measurement Cel means Celsius Far means Fahrenheit and K means Kelvin SENSe UNIT Query units for temperature measurement SENSe TCOuple TYPE lt 3 5 Select thermocouple sensor type SENSe TCOuple TYPE Query thermocouple sensor type SENSe TCOuple RJUNction RSELect REAL SIMulated Select a reference junction type real or simulated SENSe TCOuple RJUNction RSELect Query the reference junction type real or simulated SENSe TCOuple RJUNction SIMulated lt value gt MINimum MAXimum Set the default temperature of the simulated reference junction SENSe TCOuple RJUNction SIMulated Query the default temperature of the simulated reference junction SENSe TCOuple RJUNction REAL OFFSet lt value gt MINimum MAXimum Set the offset voltage of the real reference junction SENSe TCOuple RJUNCtion REAL OFFSet MINimum MAXimum Query the offset voltage of the real reference junction SENSe TEMPerature RTD TYPE PT100 D100 F100 PT385 PT3916 USER SPRTD NTCT Select the RTD type for temperature measurement with RTD SENSe TEMPerature RTD TYPE Query the RTD type for temperature measurement with RTD SENSe TEMPerature RTD RZERo lt value
99. mber of samples per trigger the number of triggers per event reading hold and the trigger delay for your measurements A Number of samples on each trigger By default M3510A 11A takes only one reading on each trigger but you can instruct the multimeter to take specific number up to 2000 of readings each time it receives a trigger The defined input setting is stored in a volatile memory which will be cleared after the meter has been turned off and the default value will be restored You can set the number of samples on each trigger through front panel or the remote interface Front Panel Operation 1 Press SHIFT CONFIG button 2 Set a defined parameter via the procedure TRIG SYS gt TRIG CNT gt ENTER 3 Set the desired number by pressing buttons to increase decrease the number and using and buttons to move through the digits Press ENTER to set the number Remote Interface Operation Use the following command to set the number of samples from your PC 64 terminal SAMPle COUNt lt value gt B Number of triggers Although the meter normally takes one trigger before returning to the idle state you can manually specify the number of triggers it accepts before the idle state However this can only be done through the remote interface The following command shows how to set multiple triggers before returning to idle state TRIGger COUNt lt value gt C Reading hold Front panel operation
100. measurement 24 CONT Selects the continuity test TEMP Selects RTD temperature measurement ENTER Accepts selection moving to next choice or back to measurement display 2 2 First row with SHIFT button DCI Selects DC current measurement ACI Selects AC current measurement 04 Selects 4 wire resistance measurement Selects capacitance measurement gt gt Selects diode testing TCOUPL Selects thermocouple temperature measurement 2ND Setting Secondary measurement 2 3 Second row without SHIFT button TRIGGER Manually triggers the multimeter to make measurements or sets the multimeter to take external triggers STORE Stores a specified number of subsequent readings DIGITS Changes measurement resolution NULL Activates the null function in order to offset the measurement error due to the test leads SHIFT in blue Used to access other functions in blue upper print CONFIG Configures the settings of selected measurement function ESC Cancels selection moving back to measurement display 2 4 Second row with SHIFT button AUTO HOLD Enables or disables the reading hold function RECALL Displays stored readings Use lt and AV buttons to select a reading for display FILTER Enables or disables averaging digital filter MATH Enables or disables mathematical operations tests including PERCENT AVERAGE NULL LIMITS MX B dB and dBm LOCAL Switches the multimeter to the oca mode from the
101. meter can output readings directly to a printer without being addressed by a bus controller over either HP IB or RS 232 For proper operation make sure your printer is configured in the isten always mode Address 31 is not a valid address if you are operating the multimeter from the HP IB interface with a bus controller If you select the RS 232 interface and then set the HP IB address to the talk only address 31 the multimeter will send readings over the RS 232 interface when in the local mode D About Application Programs This section provides a brief description for each M3510A 11A sample collection Visual Basic Learn how to create and use PICOTEST IOUtils components controls data access and more with the Visual Basic sample applications For an overview and installation details see Visual Basic Explore the Samples Visual C In MFC application you can override PICOTEST IOUtils interfaces in a class as well as provide additional interfaces The example in this article illustrates how to override an interface in a class while preserving the original interface implementation so that it can be delegated to by the new interface implementation Browse the Visual C samples code see Visual C DEVQUERY Sample Application Using MEASure for a Single Measurement The following example uses the MEASure command to make a single ac current measurement This is the easiest way to program the multimeter for measurements H
102. n asterisk are four to five characters in length and may include one or more parameters The command keyword is separated from the first parameter by a blank space Use a semicolon to separate multiple commands as shown below RST CLS ESE 32 OPC SCPI Parameter Types The SCPI language defines several different data formats to be used in program messages and response messages Numeric Parameters Commands that require numeric parameters will accept all commonly used decimal representations of numbers including optional signs decimal points and scientific notation Special values for numeric parameters like MINimum MAXimum and DEFault are also accepted You can also send engineering unit suffixes with numeric parameters e g M K or u If only specific numeric values are accepted the multimeter will automatically round the input numeric parameters The following command uses a numeric parameter VOLTage DC RANGe range MINimum MAXimumj Discrete Parameters Discrete parameters are used to program settings that have a limited number of values like BUS IMMediate EXTernal They have a short form and a long form just like command keywords You can mix upper and lower case letters Query responses will always return the short form in all upper case letters The following command uses discrete parameters TRIGger SOURce BUS IMMediate EXTernal Boolean Parameters Boolean parameters represent a single b
103. n by pressing one of 49 the function buttons located on the first row of your meter s front panel 2 Press DIGITS button to select a desired resolution for your measurement Note When following the Way One to set the resolution your options with each press on the same button are 4 5 5 5 and 6 5 And under the DCV DCI 02 4 94 functions the NPCL just can be set by pressing CONFIG gt gt ENTER gt 4 and gt gt Target PCL Remote Interface Operation Use the following commands on your PC terminal to set the resolution for your measurement CONFigure lt function gt lt range gt lt resolution gt MEASure lt function gt lt range gt lt resolution gt SENSe lt function gt RESolution lt resolution gt You can specify the resolution in the same units as the measurement function not in number of digits For instance specify the resolution in vots and the frequency in hertz Below are some examples CONF VOLT DC 10 0 001 4 1 2 digits on the 10 Vdc range MEAS CURR AC 1 1E 6 6 1 2 digits on the 1 A range CONF FREQ 1 KHz 0 1 Hz 1000 Hz input 0 1 Hz resolution VOLT AC RES 0 05 50 mV resolution on the ac function 4 1 4 Threshold Resistance Continuity Definition When testing continuity the beeper goes off when the measured resistance is less than the threshold resistance The threshold resistance be set to any value between 10 and 10000 Default The factory default for continuity thres
104. n event bit is set subsequent state changes will be ignored Besides bits in an event register are cleared automatically by the commands for example ESR STAT QUES EVEN or CLS Please note that the reset command RST or device clear in event registers won t clear bits To query an event register will return a decimal value corresponding to binary weighted sum of all bits set in the register An enable register is readable and writable and can define which bits in the corresponding event register are ORed together to generate a single summary bit To query an enable register won t clear it as well the 131 command CLS but it clear the bits the event registers And the command STATus PRESet will clear the questionable data enable register Moreover to enable bits in an enable register users have to write a decimal value corresponding to the binary weighted sum of the bits in the register by their demands Binary Weights t w 2 2 2 2 2 2 2 2 Questionable Data Event Register Enable Register Voltage Overload Current Overload Not Used o Status Byte Summary Register Enable Register 0 Not Used Message Available Limit Test Fail LO Limit Test Fail 4 Standard Event STAT QUES E VEN STAT QUES ENAB values 6 Request Service STAT QUES ENAB Sarial Poll SPOLL SRE values Standard Event STR SRE Ev
105. n it is shipped from the factory How to control the beeper You can control the beeper from either the front panel operation or the remote interface operation Front Panel Operation Do the procedure SHIFT CONFIG gt SYSTEM gt BEEP gt ON OFF gt ENTER to enable or disable the beep Remote Interface Operation The following commands show how to use the remote interface operation to disable or enable the beeper SYSTem BEEPer SYSTem BEEPer STATe OFF ON 4 4 3 Reading Memory Store amp Recall M3510A 11A has a memory capacity of 2000 readings The readings are stored in first in first out order and the memory type is volatile which means the stored readings will be cleared when the multimeter is power off The reading memory feature can be used for all measurement functions math operations trigger operations and reading hold The default number of readings to store is 2000 and the anunciator MEM will light up when STORE feature is enabled How to use the reading memory You can store the readings and access to the stored readings through either the front panel operation or the remote interface operation 78 x Note Each datum stored from M3510A 11A to remote interface will be in a first in and first out condition Front Panel Operation Before using the reading memory feature you need to select a measurement function or the math function first and then select the trigger mode How to enable Reading Memory
106. ncy APERture 0 01 0 1 1 MINimum MAXimum SENSe FREQuency APERture MINimum MAXimum SENSe PERiod APERture 0 01 0 1 1 MINimum MAXimum SENSe PERiod APERture MINimum MAXimum 53 4 1 7 Sensor Selection for Temperature Measurements The multimeter supports both thermocouple and RTD User needs to configure the multimeter for the right sensor type before they can make temperature measurements RTD Definition If you are using RTD the options are PT100 D100 F100 PT385 PT3916 user defined RTD NTCT and SPRTD If you need to change the factors that are used to calculate the temperature in RTD choose user defined RTD in which you are able to change any factors as you wish The default factors used are listed in Table 4 4 Table 4 4 Type Alpha Beta Delta R zero PT100 0 003850 0 10863 1 49990 1000 0100 0 003920 0 10630 1 49710 1000 F100 0 003900 0 11000 1 49589 1000 PT385 0 003850 0 11100 1 50700 1000 PT3916 0 003916 0 11600 1 50594 1000 NTCT 0 003850 0 10863 1 49990 1009 Here is the temperature equation that is used to determine the RTD temperature When 0 R R e Ace CP t 100 When 0 lt t lt 630 C R R 1 At Br A ais 2 100 54 Where 107 C aB 10 If you are using SPRTD Standard Platinum RTD select SPRTD and specify the seven coefficients under SPRTD submenu The ITS International Temperature Scale 90 standard provides two reference
107. on captures and holds a stable reading on the display M3510A 11A beeps and holds the value when it detects a stable reading The sensitivity band in reading hold decides which reading is stable enough This band is expressed as a percent of reading on the selected range M3510A 11A considers a reading stable when three consecutive values are within the band You have an option to adjust this sensitivity band Default The default band is 0 1 The defined selection is stored in a volatile memory and it will be cleared after the meter has been turned off How to enable disable HOLD feature 1 Press SHIFT TRIGGER buttons The HOLD anunciator will light up when HOLD feature is enabled 2 To disable HOLD feature press SHIFT TRIGGER again How to adjust the sensitivity band You can adjust the sensitivity band through either the front panel operation or the remote interface operation Front Panel Operation Do the procedure SHIFT CONFIG gt TRIG SYS gt READ HOLD gt 0 01 0 1 1 0 10 to choose a desired band Press ENTER on the desired sensitivity band 4 4 5 Initial Mode The section contains two selections DEFAULT SET and SAVE DATA You can select SAVE DATA to save the current settings which will exist 80 after restarting next time Or select DEFAULT SET to recall the factory value after restarting M3510A 11A The SAVE DATA is available on using MEAS FUNC RANGE RESOLUTION MATH FUNC amp 2ND STATE
108. op down list To set the startup object for a Windows Application to Sub Main 1 With a project selected in Solution Explorer on the Project menu click Properties 2 Select the Application pane 3 Check the Startup with custom Sub Main checkbox 4 Select Sub Main from the Startup object drop down list 145 LISTING 1 MEASure bas THE Sub Main FUNCTION IS WHERE YOU NEED TO ADD INITIALIZATION CODE Sub Main Dim stat As ViStatus Dim dfltRM As ViSession Dim sesn As ViSession Dim fList As ViFindList Dim desc As String FIND BUFLEN Dim nList As Long Dim ret As Long Dim readin As String 64 stat viOpenDefaultRM dfltRM If stat VI SUCCESS Then Rem Error initializing VISA exiting MsgBox USBTMC resource not found vbExclamation M3510 multimeter device test Exit Sub End If Rem Find all M3510 USBTMC instruments in the system stat viFindRsrc dfltRM USB 0 9 0x05E6 0xM3510 INSTR fList nList desc If stat VI SUCCESS Then Rem Error finding resources exiting MsgBox M3510 device not found vbExclamation M3510 multimeter device test viClose dfltRM Exit Sub End If Rem Open a session to each and determine if it matches stat viOpen dfltRM desc NULL NULL sesn If stat VI SUCCESS Then MsgBox Open device failed vbExclamation M3510 multimeter device test 146 stat viClose fList Exit Sub End If Rem send reset command RST reset M
109. or on the display is lit the meter is ready for next trigger event The single trigger mode is only available through the front panel operations but it s not available for the diode and continuity functions How to use Single Trigger 1 Press one of the measurement function keys to select a measurement 2 Press TRIGGER key on the front panel to set the trigger mode 3 Disable the mode by pressing SHIFT TRIGGER 4 2 2 Trigger Source In M3510A 11A you can specify the trigger source to be one of these three options front panel operations external hardware trigger source and remote interface operations Front Panel Trigger Operation Use SHIFT TRIGGER buttons for auto triggering and TRIGGER button for single triggering External Hardware Trigger You apply a trigger pulse to the Ext TRIG terminal on the rear panel External hardware triggering is like using single trigger but the trigger source is an external hardware When the multimeter receives a pulse from the trigger source it takes one reading or a specified number of readings To set the external hardware trigger connect an external source to Ext TRIG terminal on the rear panel and press TRIGGER buttons to enable external hardware trigger External Triger Terminal You can trigger the M3510A 11A by using a low true pulse to the Ext Trig external trigger terminal located on the rear panel as shown in Figure 4 2 And to use this terminal via the remote interface you
110. other two options to enable it 4 Press RUN to start The FILT anunnciator lights up when filter is enabled 47 How to configure digital filter You can configure the digital Filter either through the front panel operation or through the remote interface operation Front Panel Operation For MODE setting 1 Press SHIFT DIGITS buttons and then use land gt buttons to toggle between OFF MOVING AVG and REPEAT 2 Press ENTER on your selection For READINGS setting 1 After enabling the filter see above use buttons to locate READINGS Press ENTER to select it Use lt and gt to move through the digits and A and V buttons to increase or decrease the numbers to a desired value from 2 to 100 Press ENTER to set the value Press ENTER on RUN to start reading Remote Interface Operation Use the following commands to set your digital filter SENSe AVERage TCONtrol MOVing REPeat SENSe AVERage TCONtrol SENSe AVERage COUNt lt va ue gt MINimum MAXimum SENSe AVERage COUNt MINimum MAXimum SENSe AVERage STATe OFF ON SENSe AVERage STATe 4 1 3 Resolution amp NPLC Setting Definition Resolution is the number of digits a multimeter can measure You can select the resolution for a specific measurement The choices for the resolution setting are 4 5 5 5 and 6 5 For a faster measurement you can select 0 001 PLC For a stable higher accuracy measurement 100 PLC is sug
111. ow message OVLD will be displayed How to measure period 1 2 Connect the test leads to the terminals on the front panel Set RESOLUTION Refer to 4 1 3 or skip this step to use the default setting Press FREQ button for frequency measurement and then press CONFIG button Use lt and buttons to locate PERIOD Press ENTER to switch the frequency measurement to period measurement Select the auto range function by pressing AUTO button on the front panel or use A and V buttons to manually select the desired range Connect test leads to your source signal and observe readings shown on the display If the input signal is beyond the allowed range an overflow message OVLD will be displayed 33 3 6 Continuity Measurements M3510A 11A uses 1 KQ range for the continuity measurement The meter beeps when the test resistance is less than the threshold resistance The default threshold resistance is 100 but you can set the threshold resistance to anything between 1 0 1 The resistance value set by you is stored in a volatile memory and will be cleared after the meter has been turned off The source current for the continuity measurement is 1 mA Warning maximum input voltage allowed is 1000 Applying excess voltage may damage the meter and cause unpredictable hazards How to measure the continuity 1 Connect the test leads to the terminals on the front panel Connect test leads to your sou
112. owever MEASure does not offer much flexibility The example is shown in Visual Basic 144 Creating the Application Create a new Visual Basic project as follows 1 Create a new Standar EXE project 2 To set the startup object for a Windows Application to Sub Main 3 Add New Module and declare a Sub Main How to Change the Startup Object for an Application The Startup Object property for a project defines the entry point to be called when the application loads generally this is set to either the main form in your application or to the Sub Main procedure that should run when the application starts Since Class Libraries do not have an entry point their only option for this property is None For Windows Applications projects only forms or classes with a Public Sub Main procedure are available as Startup objects unless you check the Startup with custom Sub Main checkbox when this option is checked you must add code in the Sub Main procedure for the form Note When using a custom Sub Main procedure as the Startup object code in the Application events Startup Shutdown Startup Next Instance and Unhandled Exception is not executed The Startup Object property can be set in the Application pane of the Project Designer To change the startup object 1 With a project selected in Solution Explorer on the Project menu click Properties 2 Select the Application pane 3 Select a Startup object from the Startup object dr
113. pecified range and resolution The reading is sent to the output buffer MEASure FRESistance range MIN MAX DEF 1 resolution Preset and make a 4 wire O measurement with the specified range and resolution The reading is sent to the output buffer 115 MEASure FREQuency lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF Preset and make a frequency measurement with the specified range and resolution The reading is sent to the output buffer For frequency measurements the meter uses only one range for all inputs between 3Hz and 300kHz With no input signal applied frequency measurements return O MEASure PERiod lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF Preset and make a period measurement with the specified range and resolution The reading is sent to the output buffer For period measurements the meter uses only one range for all inputs between 0 33 seconds 3 3 sec With no input signal applied period measurements return 0 MEASure CAPacitance1 range MIN MAX DEF 1 resolution MIN MAX DEF Preset and make a capacitance measurement with the specified range and resolution The reading is sent to the output buffer For this measurement the specified range applies to input signal yet autorange is selected for the reference signal In addition the resolution parameter only affects the front panel display MEASure CO
114. r The signal from the USB cable may make the Pass Fail signal output abnormal 5 2 Setting Up For Remote Interface You may use the M3510A 11A application developed by PICOTEST to remotely control the multimeter through either USB or GPIB interface How to set up for USB interface The USB cord should be connected well between M3510A 11A and your PC Install the M3510A 11A application in your PC and execute the program Click Tool tab for Command Control then type in your command icons and buttons are shown with red rectangle frames in Figures 5 2 5 3 and 5 4 Note The icons pictures and words will be changed or edited with 87 different versions without informing M35XXA AP M3510A USBTMC TW00005971 v Setting Record Operation 2 Command Control x Write Read String Received PICOTEST 3510 00005971 1 06 06 01 10 Figure 5 2 5 3 5 4 How to set for GPIB interface Insert a GPIB interface card into the interface slot on the rear panel Install the M3510A 11A application in your PC and execute the program Click Tool tab for Command Control then type in your command 5 3 Remote Interface Commands You can instruct the multimeter to take measurements by using the SCPI commands after the appropriate setup for their selected remote interface The following conventions are used in SCPI command syntax Triangle brackets lt gt
115. r to do so Figure 2 2 Step 3 Remove the voltage setting selector container as shown in Figure 2 3 You may need a screwdriver to do so 17 2 3 Step 41 Open the clips the sides remove the voltage setting selector from the container as shown in Figure 2 4 Figure 2 4 Step 51 Turn the voltage setting selector so that the desired voltage setting appears in the container as shown in Figure 2 5 18 2 5 Step 61 Insert the voltage setting selector container back into the socket 2 1 2 2 To change the fuse A Warning Before replacing the power line fuse make sure the multimeter is disconnected from the AC power You must be qualified personnel to perform this action A Warning For continued protection against fire or instrument damage only replace with fuse of the same type and rating noted on the rear panel If the instrument repeatedly blows fuses locate and correct the cause of the trouble before replacing the fuse Verify that the power line fuse is good Replace the fuse if it is damaged Follow the steps below to change the fuse Step 1 Verify that the meter is disconnected as shown in Figure 2 6 19 2 6 Step 21 Press the latch to unlatch the voltage setting selector container as shown in Figure 2 7 You may need a scre
116. r will be lit to inform you The multimeter stores errors using the first in first out FIFO order and it records up to 20 errors in the error queue The first error detected will be the first error retrieved In addition the general conditions of the ERROR are listed in the following For more ERROR information refer to Chapter 6 for the list of error messages The error annunciator will be turned off when you have read the errors in the memory e If there is no error found when you check the error queue the multimeter shows NO ERRORS e If there are more than 20 errors found the last error in the error queue will be replaced with 350 means too many errors The error queue is cleared when the multimeter is turned off or when a CLS command is received How to check the error queue Do the procedure SHIFT CONFIG SYSTEM ENTER SCPI ERR ENTER to check the error message such as ERROR CODE or NO ERRORS 82 4 4 8 Firmware Revision M3510A 11A has three microprocessors for various internal systems You can query the multimeter to determine which revision of firmware is installed for each microprocessor How to check the firmware version Do the procedure SHIFT CONFIG gt SYSTEM gt SYSTEM VER gt ENTER to check the M3510A 11A s firmware version The multimeter gives three numbers in xx xx xx format on the display The first number is the firmware revision number for the measurement microprocessor th
117. range is enabled at the DCI s amp ACI s 10A ranges the error message will be generated 102 e 222 Data out of range A numeric parameter value is out of range e 223 Too much data A character string was too long e 224 Illegal parameter value A discrete parameter was received which was not a valid choice for the command e 230 Data Stale A FETCh Command was received but the memory was empty 350 Too many errors The error queue is full 410 Query INTERRUPTED A command was received which sends data to the output buffer but the output buffer contained data from a previous command 420 Query UNTERMINATED The multimeter was addressed to talk i e to send data over the interface but a command has not been received which send data to the output buffer 430 Query DEADLOCKED A command was received which generates too much data to fit in the output buffer and input buffer is also full Command execution continues but all data is lost 440 Query UNTERMINATED after indefinite response The IDN Command must be the last query command within a command string e 223 FUNC2 The ist and 2nd functions mismatch 103 521 Input buffer overflow 522 Output buffer overflow 531 Insufficient memory There is not enough memory to store the requested number of readings in internal memory using the INITiate command The product of the sample count SAMPle COUNt and the trigger count TRIGger COU
118. rce signal 3 Set threshold resistance Refer to 4 1 4 or skip this step to use the default resistance Press CONT button 5 The result will be shown on the display automatically Meter beeps when measured resistance value is lower than threshold value 3 7 Diode Measurements M3510A 11A uses a current source of 1 mA for diode testing The maximum resolution is 10 uV a fixed range of 1 V DC The default threshold voltage is fixed between 0 3 and 0 8 volts and the reading rate is fixed at 0 2 PLC The voltage bound is adjustable from 0 01V up to 1 2V The meter beeps when the diode measured value is within the range Warning positive end of the diode should connected to HI the input terminals and the negative end to LO 34 How to measure diode 1 Connect the diode to the terminals For forward bias connect the probe from input terminal HI to the positive end of the diode and connect the probe from input terminal LO to the negative end of the diode 2 Press SHIFT CONT buttons to select the diode testing function 3 Set voltage bound by pressing SHIFT CONT buttons and then pressing CONFIG When ready press ENTER Or skip this step to use the default voltage bound 4 Observe and take readings on the display 3 8 Temperature Measurements M3510A supports thermocouples and resistance temperature detector RTD types of probes For thermocouples M3510A supports 9 types B C
119. ring and or research purposes All specification applies to M3510A 11A unless noted otherwise A Specification List DC CHARACTERISTICS Function Resolution 1 Year Accuracy 100 0000 mV 0 1 uV 0 0080 0 0045 1 000000 V 1 0 uV 0 0090 0 0010 DCV 10 00000 V 10 uV 0 0120 0 0020 100 0000 V 100 0 0120 0 0020 1000 000 V 1 mV 0 0200 0 0030 10 00000 mA 10 nA 0 050 0 020 100 0000 mA 100 nA 0 050 0 010 DCI 1 000000 A 1 pA 0 150 0 020 3 00000 10 WA 0 200 0 030 10 00000 A 10 HA 0 250 0 050 2W9 4WO 100 00000 100 0 020 0 005 1 000000 imo 0 020 0 002 1 The specifications are under 2 hour warm up condition with the setting 10 PLC and they re relative to the calibrator specifications in PICOTEST 9 o of reading of range 23 5 C 3 The 3511 doesn t support the selection of the range The Null function must be used when the 2 0 is selected 106 10 00000 10 0 020 0 002 100 0000 100 MQ 0 020 0 002 1 000000 MQ 10 0 020 0 004 10 00000 MQ 100 0 100 0 004 100 0000 MQ 100 2 1 500 0 005 DIODE 1 00000 V 10 uV 0 020 0 020 CONTINUITY for 2WQ 1000 00 2 10 mQ 0 020 0 030 FREQUENCY amp PERIOD Frequency Function Range 1 Year Accuracy Hz FREQUENCY 100 10 40 0 03 amp to PERIOD 750 V 40 300K 0 02 AC
120. rogram lines send the abbreviated form For better program readability send the long form For example in the above syntax statement VOLT and VOLTAGE are both acceptable forms You can use upper or lower case letters Therefore VOLTAGE volt and Volt are all acceptable Other forms such as VOL and VOLTAG will generate an error Braces enclose the parameter choices for a given command string The braces are not sent with the command string A vertical bar separates multiple parameter choices for a given command string Triangle brackets lt gt indicate that you must specify a value for the enclosed parameter For example the above syntax statement shows the range parameter enclosed in triangle brackets The brackets are not sent with the command string You must specify a value for the parameter such as VOLT DC RANG 10 Some parameters are enclosed in square brackets 1 The brackets indicate that the parameter is optional and can be omitted The brackets are not sent with the command string If you do not specify a value for an optional parameter the multimeter chooses a default value Using the MIN and MAX Parameters You can substitute MINimum or MAXimum in place of a parameter for many commands For example consider the following command VOLTage DC RANGe lt range gt MINimum MAXimum 111 Instead of selecting a specific voltage range you can substitute MIN to set the range to its minimum value or
121. rve the calculated percent value on the display Note To disable the percent function you need to go into MATH submenu by pressing SHIFT NULL buttons and select OFF to turn it off The MATH annunciator should not be lit when disabled Remote Interface Operation Use the following commands to enable and configure Percent function CALCulate FUNCtion PERCent CALCulate STATe OFF ON CALCulate STATe CALCulate PERCent TARGet lt va ue gt MINimum MAXimum CALCulate PERCent TARGet MINimum MAXimum 68 4 3 2 Average AVG MIN MAX COUNT Definition When the Average function is enabled M3510A 11A takes in a series of readings from the measurements stores the minimum and maximum readings in the memory and then calculates the average value of all readings and reading counts The number of readings taken since Average operation is enabled is recorded as well These data are stored in a volatile memory presenting promptly on the secondary display and will be cleared when the meter is turned off or when the Average is turned on again or after a remote interface reset How to use Average You can use the Average feature either through the front panel operation or the remote interface operation Front Panel Operation 1 Press one of the measurement function buttons to select a measurement function 2 Press SHIFT NULL buttons to enter MATH submenu 3 Use 4 and buttons to locate AVERAGE submenu and
122. se and V buttons to manually select the desired range 5 Connect test leads to your source signal and observe readings shown on the display If the input signal is greater than the allowed range an overflow message OVLD will be displayed Figure 3 1 Figure 3 2 xX Note Ensure the chassis ground is leaded to the ground before measurement in order to prevent the measuring deviation 32 3 5 Frequency amp Period Measurements M3510A 11A uses an on board counter to measure the frequency period The measurement band is from 3Hz to 300KHz or 333 ms to 3 3 us the measurement voltages range from 100mV to 750V in AC The range default setting is auto range A Warning The maximum input allowed is 1000V Applying excess voltage may damage your meter How to measure frequency 1 2 Connect the test leads to the terminals on the front panel Set RESOLUTION Refer to 4 1 3 and INPUT JACK Refer to 4 1 9 Or skip this step to use the default settings Press FREQ button for frequency or period measurement Press CONFIG button and use lt and gt buttons to locate the FREQ option Press ENTER to select Frequency measurement Select the auto range function by pressing AUTO button on the front panel or use A and V buttons to manually select the desired range Connect test leads to your source signal and observe readings shown on the display If the input signal is beyond the allowed range an overfl
123. serial poll won t affect instrument throughput Note The synchronization between the bus controller program and the instrument isn t able to be ensured by the IEEE 488 2 standard So users can apply the OPC command to ensure that commands sent to the instrument previously have completed And to execute a serial poll before applying RST CLS or other commands have completed can let pervious conditions be reported Read the Status Byte by using STB The STB command status byte query is like a serial poll except it acts similar to any other instrument command This command returns the same result as an IEEE 488 serial poll except that the request service bit 6 isn t cleared if a serial poll has occurred And the IEEE 488 bus interface hardware can t automatically handle the STB command It will work only after previous commands have completed and it s impossible to poll by using the STB command Moreover to use this command doesn t clear the status byte summary register 134 Procedures Interrupting the Bus Controller by Using SRQ 1 Send a bus device clear message 2 Clear the event register by using the CLS command 3 Setthe ESE and SRE commands to enable masks 4 Send the OPC command and enter the result to enable synchronization 5 Enable the bus controller s 488 SRQ interrupt Procedures to Determine When a Command Sequence is Completed 1 Clear the DMM s output buffer by sending a device
124. stat VI SUCCESS Then MsgBox System command vbExclamation M3510 multimeter device test stat viClose fList Exit Sub End If Rem send command kM3510 will accept 5 triggers stat viWrite sesn SAMP COUN 5 11 ret If stat VI SUCCESS Then MsgBox System command vbExclamation M3510 multimeter device test stat viClose fList Exit Sub End If Rem send command Trigger source is IMMediate stat viWrite sesn TRIG SOUR IMM 13 ret If stat VI SUCCESS Then MsgBox System command vbExclamation M3510 multimeter device test stat viClose fList Exit Sub End If Rem send command Select dBm function stat viWrite sesn CALC FUNC DBM 13 ret If stat lt VI_SUCCESS Then MsgBox System command vbExclamation M3510 multimeter device test stat viClose fList Exit Sub End If Rem send command Enable math stat viWrite sesn CALC STAT ON 12 ret If stat VI SUCCESS Then MsgBox System command vbExclamation M3510 multimeter device test 150 stat viClose fList Exit Sub End If Rem send command Take readings stat viWrite sesn READ amp vbLf 6 ret If stat SUCCESS Then MsgBox System command vbExclamation M3510 multimeter device test stat viClose fList Exit Sub End If Sleep 3000 wait for math processing Rem fetch the measure data stat viRead sesn readin
125. sual C project include stdio h include windows h void main int argc char argv TODO Add your control notification handler code here HINSTANCE hUSBTMCLIB for USBTMC HANDLE unsigned long defaultRM usbtmc m instr usbtmc unsigned long m findList usbtmc unsigned long m nCount ViStatus status int m Timeout 7000 char pStrout Write out data buffer BYTE pStrin 64 Read in data buffer int len ULONG nWritten ULONG nRead 0 152 buffer 256 char instrDescriptor 256 Load the NI VISA library for USBTMC device hUSBTMCLIB LoadLibrary visa32 dll if IRUSBTMCLIB MessageBox NULL NIVISA for USBTMC library not found M3510 multimeter device test MB_OK return Link the libraries signed long __stdcall PviOpenDefaultRM_usb unsigned long vi signed long __stdcall PviFindRsrc_usb unsigned long sesn char unsigned long vi unsigned long retCnt char far desc signed long __stdcall PviOpen_usb unsigned long sesn char name unsigned long mode unsigned long timeout unsigned long vi signed long __stdcall PviClose usb unsigned long vi signed long stdcall PviWrite usb unsigned long unsigned char name unsigned long len unsigned long retval signed long __stdcall PviRead usb unsigned long vi unsigned char name unsigned long len unsigned long retval signed long stdcall Pvi
126. t For AC measurement resolution is fixed at digits Therefore the resolution parameter only affects the front panel display CONFigure CURRent DC lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF Preset and configure the multimeter for DC current measurements with the specified range and resolution This command does not initiate the measurement CONFigure CURRent AC lt range MIN DEF 1 resolution MIN MAX DEF Preset and configure the multimeter for AC current measurements with the specified range and resolution This command does not initiate the measurement For AC measurement resolution is fixed at digits Therefore the resolution parameter only affects the front panel display CONFigure RESistance range MIN MAX DEF 1 resolution MIN MAX DEF Preset and configure the multimeter for 2 wire measurements with the specified range and resolution This command does not initiate the measurement CONFigure FRESistance range MIN MAX DEF 1 resolution MIN MAX DEF Preset and configure the multimeter for 4 wire Q measurements with the 117 specified range and resolution This command does not initiate the measurement CONFigure FREQuency lt range gt MIN MAX DEF lt resolution gt MIN MAX DEF Preset and configure the multimeter for frequency measurements with the specified range and resolution This command does not initiate the measurement
127. te 90 mV error at 3 A Note To execute the 2nd function with DCI please adjust the range at 1A or up Remote Interface Operation set 274 through the remote interface use the following commands These commands are used for selecting two functions on the 279 applications 1 stands for the selected function which will act on the main display 2 stands for the selected function which will act on the secondary display 41 SENSe FUNCtion lt function gt For example FUNCtion 1 2 VOLTage DC FUNCtion 1 2 VOLTage AC FUNCtion 1 2 CURRent DC FUNCtion 1 2 CURRent AC FUNCtion 1 2 FREQuency FUNCtion 1 2 FREQuency VOLT FUNCtion 1 2 PERiod FUNCtion 1 2 PERiod VOLT FUNCtion 1 2 FREQuency CURR FUNCtion 1 2 PERiod CURR FUNCtion 1 2 RESistance FUNCtion 1 2 FRESistance FUNCtion 1 2 CAPacitance FUNCtion 1 2 TEMPerature FUNCtion 1 2 TCOuple FUNCtion 1 2 NONE FUNCtion 1 2 When enabling the 279 function you can still set the range and NPLC individually The setting procedures are as usual To set 274 and NPLC through the remote interface use the following commands SENSe function RANGe range MINimum MAXimum SENSe function RANGe AUTO OFF ON SENSe function NPLCycles 10 001 0 006 0 02 0 06 0 2 0 6 1 2 10 100 MIN MAX To read and fetch values from the DMM use the following commands READ 1 2 FETCh 1 2
128. the address 4 1 9 Input Jack There are two selections for you to select either the voltage or the currect while using frequency function It depends on what UUT Unit under Test you want to measure If your UUT is the voltage the test leads must be connected with Input HI amp LO On the contrast if your UUT is the current they must be connected with Input LO and Current 3 A or 10 A In 59 addition the default is Voltage Note If your DMM is M3511A the input jacks for current applications on the front panel 1 and 10 How to select an Input Jack 1 Make sure that your connection is ready 2 Press the Frequency button first then CONFIG button Use lt and gt buttons to locate INPUT JACK Press ENTER to select it 3 Use lt and gt buttons again to toggle between VOLTAGE and CURRENT Press ENTER to finish 4 2 Trigger Operations In this section we will discuss the triggering system in M3510A 11A M3510A 11A provides a variety of trigger operations You can select a trigger mode a trigger source and different trigger settings for a specific measurement The defined selection is stored in a volatile memory and the default settings will be restored after power off Figure 4 1 shows the trigger operation in M3510A 11A Idle Waiting event Delay Sampling Trigger 1 Samples 1 Sample 1 Trigger 1 Trigger Operation Flow Chart Figure 4 1 60 4 2 1 Tri
129. the warranty period PICOTEST is responsible for necessary repairs as long as the product can be proved to be defective For warranty service or repair this product must be returned to a service facility designated by PICOTEST Please contact your local service representative 3 Excluded Items This warranty does not include consumptive parts such as fuses buttons and relays Neither does this warranty cover defects caused by improper installation improper or insufficient maintenance unauthorized modification improper operation ignorance of environmental specifications or improper software or interfacing 4 Remarks No other warranty is expressed or implied except for the above mentioned The remedies provided herein are the buyer s sole and exclusive remedies PICOTEST shall not be liable for any direct indirect special incidental or consequential damages Limitation of warranty 1 Our warranties do not cover any damage resulting from unauthorized modification or misuse 2 Unless mentioned elsewhere in this document our warranty does not apply to fuses probes and problems arising from normal wear or user s failure to follow instructions 3 Our warranties not apply any direct incidental special consequential damages 4 The above warranties are exclusive and no other warranty is expressed or implied PICOTEST disclaims any implied warranties of MERCHANTABILITY SATISFACTORY QUALITY and FITNESS
130. then press ENTER to actuate it 4 To read the average value min max value total counts and readings counts you can press and buttons to switch between those values x Note Press SHIFT NULL gt OFF or switch to other measurement to disable this feature The MATH anunnciator on the display indicates the state of a mathematical feature Remote Interface Operation The following commands show you how to use the Average operation from your PC terminal CALCulate FUNCtion AVERage CALCulate STATe OFF ON CALCulate STATe 69 CALCulate AVERage MINimum CALCulate AVERage MAXimum CALCulate AVERage AVERage CALCulate AVERage COUNt 4 3 3 Null Definition When the null function is enabled the displayed measurement reading will show something difference between the measured input signal reading and the stored null also called relative value The null relative value is stored in a volatile memory and the value will be cleared when the multimeter is power off Moreover you can specify or alter a null value The null function is available for all types of measurement except continuity and diode When you select the null function for a measurement it is visible only for this measurement How to operate the null relative function You can operate the null function from either the front panel operation or the remote interface operation The Front Panel Operation 1 Store the null test lead resistance First of all
131. to store readings Press STORE button and the multimeter will start to store the readings produced until the specified number of readings is reached How to set the number of readings to be stored 1 Press SHIFT CONFIG gt gt gt ENTER gt TRIG SYS gt gt STORE RDGS gt ENTER buttons 2 Press V button to set the number of readings Use 4 and buttons to move between the digits and A buttons to increase or decrease numbers as desired When ready press ENTER button Note MEM annunciator will be lit while the multimeter stores readings and be turned off when the specified number of readings is reached How to recall the stored readings Press SHIFT STORE buttons and the multimeter will display all the stored readings starting from the first reading Use i and buttons to move from the first reading to the last reading the meter has stored Remote Interface Operation You can use the following commands from their PC terminals to store or retrieve readings in the memory In addition the number for STORE function only can be set through front panel INITiate This command tells the meter to be on wait for trigger state After a measurement is taken measurement readings will be placed in the memory 79 FETCh Use this command retrieve stored readings DATA POINts Use this command to query the number of stored readings 4 4 4 Sensitivity Band Hold The reading hold functi
132. tomatic trigger delay is determined by the selection of measurement function range and the setting of integration time and AC filter speed The following table shows the default delay time for each measurement setting Measurement Function DCV DCI Q2 and 04 PLC gt 1 Q2 and 04 PLC lt 1 ACV ACI Remote Interface External Trigger Single Trigger ACV ACI Front Panel w Auto Trigger On Frequency Period Capacitance Table 4 5 Setting PLC gt 1 1 1000 100kQ 1 MQ 10 MQ 100 MQ 1002 100kQ 1 MQ 10 MQ 100 MQ 3 Hz 20 Hz 200 Hz 3 Hz 20 Hz 200 Hz Remote Interface External Front Panel Auto Trigger ON 1 nF 10 mF 66 Trigger Delay Time 1 5 ms 1 0 ms 1 5 ms 15 ms 100 ms 1 0 ms 10 ms 100 ms 7 0 5 1 0 5 600 ms 1 5 5 200 5 100 ms 1 0 5 05 How to specify delay time You can set the delay time from either the front panel operations or the remote interface operations Front Panel Operation 1 Press SHIFT CONFIG buttons 2 Set a difined parameter via the path TRIG SYS gt DELAY gt MANUAL gt ENTER 3 Use 4 and buttons to move through the digits and buttons to increase or decrease the numbers to set the desired delay time between 0 to 3600 second Then press ENTER to actuate the delay time Remote Interface Operation You can also use the remote interface operations from your PC terminal to set the trigger delay To s
133. ts that are used to determine the temperature Use 1 and gt to move through the digits and and to change the numbers to a desired value Press ENTER to set the value 2 wire 4 wire selection 1 Press TEMP button to select RTD temperature measurement function Press CONFIG button Use 4 and to locate TRANSDUCER submenu Press ENTER to select it Use 4 and to locate desired option such as 2W RTD or 4W Press ENTER to finish the process Remote Interface Operation Use the following commands to set up the RTD configuration SENSeTEMPerature RTD TYPE PT100 D100 F100 PT385 PT3916 USER SPRTD NTCT SENSe UNIT Cel Far K SENSe UNIT SENSe TEMPerature RTD RZERo value SENSe TEMPerature RTD ALPHa value SENSe TEMPerature RTD BETA lt value SENSe TEMPerature RTD DELTa value SENSe TEMPerature SPRTD RZERo lt lt gt SENSe TEMPerature SPRTD A4 lt value gt MINimum MAXimum SENSe TEMPerature SPRTD B4 lt va lue gt MINimum MAXimum SENSe TEMPerature SPRTD AX lt value gt MINimum MAXimum SENSe TEMPerature SPRTD BX lt va ue gt MINimum MAXimum SENSe TEMPerature SPRTD CX lt lt gt SENSe TEMPerature SPRTD DX lt value gt MINimum MAXimum 56 Thermocouple
134. ue by using the STATus QUESTionable ENABle command to set the enable register mask Bit Definitions for Questionable Data Register Decimal Bit Definition Value Range overload on dc ac volts frequency period diode or ratio O voltage Overload 1 function 1 Current Overload 2 Range overload on dc ac current function 2 Not Used 4 Set to 0 3 Not Used 8 Set to 0 4 Not Used 16 Set to 0 137 5 Not Used 32 Set to 0 6 Not Used 64 Set to 0 7 Not Used 128 Set to 0 8 Not Used 256 Set to 0 9 Ohms Overload 512 Range overload on 2 4 wired ohm function 10 Not Used 1024 Set to 0 11 Limit Failed at Lo 2048 Reading is less than lower limit under limit test 12 Limit Failed at HI 4096 Reading is excess upper limit under limit test 13 Not Used 8192 Setto 0 14 Not Used 16384 Set 0 15 Not Used 32768 Set to 0 The following conditions will clear the questionable data event register 1 Users execute a CLS command 2 Users query the event register by using STATus QUEStionable EVENt The following conditions will clear the questionable data enable register 1 Users turn on the power without using PSC command 2 Users execute the STATus PRESet command 3 Users execute the STATus QUEStionable ENABle 0 command C 10 Status Reporting Commands SYSTem ERRor Query the multimeter s error queue Up to 20 errors can be stored
135. ultimeter For the first time to use SCPI users would better to refer to Appendix B for SCPI reference 5 1 Pass Fail Output From USB Connector The USB connector on the rear panel of M3510A 11A is a series B connector When the USB interface is disabled IEEE 488 interface is selected the internal pass and fail TTL output signals limit testing will be transmitted via the USB port The pass and fail signals are low true and indicate the Math Pass Fail Limit Test result for the next reading to be output to the GPIB interface The signals are active low for approximately 2ms 100 yz sec for each reading taken Figure 5 1 shows the USB connector series B yd Figure 5 1 86 If you disable the USB interface the Pass Fail output function will enable automatically Please follow the procedure below to enable disable this function Contact Typical Wiring 222 Signal g Description Number Assignment 1 VBUS Red Floating 2 D White Limit Test Pass 3 D Green Limit Test Fail 4 GND Black GND How to set Interface Do the procedure SHIFT CONFIG gt INTERFACE gt ENTER gt USB GPIB gt ENTER to set the interface The interface selection is stored in non volatile memory A Warning You can t use the USB interface if you want to enable the Pass Fail signal output You must use the GPIB interface for remote control Please disconnect the USB cable from you multimete
136. ut buffer where you are able to read them into your bus controller READ Change the state of the triggering system from the idle state to wait for trigger state The meter will start to make measurements when a required triggering condition is met after the READ command is received Measurement readings are sent to the output buffer immediately DISPlay OFF ON Turn off or on the display DISPlay Query the display setting Returns 70 OFF or 1 DISPlay TEXT lt quoted string gt Show a message on the front panel display The allowed message can be up to 16 characters in the lower row display any additional characters will be truncated DISPlay TEXT Query the message sent to the front panel display 129 DISPlay TEXT CLEar Clear the message shown on the front panel display SYSTem BEEPer Issue a single beeping tone SYSTem BEEPer STATe OFF ON Disable or enable the beeper SYSTem BEEPer STATe Query the beeper mode Returns 0 OFF or 1 ON SYSTem ERRor Query the multimeter s error queue Up to 20 errors can be stored in the queue Errors are retrieved in first in first out FIFO order Each error string may contain up to 80 characters SYSTem VERSion Query the present SCPI version LO Set to the default identification string L1 Set to the compatible identification string SYSTEM IDNSTR Manufacturer Product Change the multimeter s identificat
137. wdriver to do so Figure 2 7 Step 31 Remove the voltage setting selector container as shown in Figure 2 8 You may need a screwdriver to do so 20 2 8 Step 41 Remove the broken fuse from the container as shown Figure 2 9 f SS fad Figure 2 9 i Step 5 Replace with a new standard fuse Step 6 Insert the voltage setting selector container back into the socket Step 7 Make sure the power switch on the front panel is in Power OFF condition before plugging in as shown in Figure 2 10 61 2 5 MULTIMETER aa Dey 02 FREQ aro RECALL FILTER LOCAL mua STORE Dems NULL 775 a ud UJ UJ LI t7 Figure 2 10 Step 81 Plug your power cord as shown Figure 2 11 Figure 2 11 Step 9 Press the power switch on the front panel to turn on M3510A as shown Figure 2 12 61 2DIGITS MULTIMETER aa FILTER MATH Li S UJ 07 07 Figure 2 12 22 2 1 3 Factory Default When Power ON Table 2 1 shows the factory default of M3510A 11A

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