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ST2515 Operation Manual

51

6.5

USBVCOM Virtual Serial Port

When “USBVCOM” is selected, the USB interface can be configured as a virtual serial port
(VCom).

6.5.1

System Configuration

Connect PC and ST2515 to the USB interface through a USB cable.

6.5.2

Installing Driver

Methods of installing USBVCOM driver are the same with that of installing USBTMC driver. When
the installation of driver is finished, user can see “usb VCom port” in the PC device manager, as is
shown in figure 6-13.

Figure 6-13 VCom Display of PC Device Manager

Now, USB VCom port acts as a serial port. When PC has no serial port, the communication
software based on this serial port can be used as USB virtual serial port.

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Содержание ST2515

Страница 1: ...SOURCETRONIC Quality electronics for service lab and production DC Resistance Meter ST2515 A B User Manual...

Страница 2: ...ion to Front and Rear Panels 3 2 1 Introduction to Front Panel 3 2 2 Introduction to Rear Panel 4 2 3 Display Zone 5 2 4 Introduction to Buttons on Front Panel 6 2 4 1 MEAS DISP 6 2 4 2 SYSTEM SETUP 6...

Страница 3: ...7 3 6 TC t SETUP 19 3 6 1 Computational Formula of Pt and Analog Input 19 3 6 2 Types of Temperature Sensor 22 3 6 3 Parameter Setting 22 3 6 4 File 23 3 7 BIN SETUP 23 3 7 1 File 24 3 7 2 Tools 24 4...

Страница 4: ...ode 36 5 1 4 Range 36 5 1 5 Trigger 36 5 1 6 Mode of Test Terminal 36 5 1 7 Time Expenditure of Measurement 37 5 1 8 Average 37 5 1 9 Display Digits 37 5 2 Test Signal 38 5 2 1 Current range 38 5 2 2...

Страница 5: ...2 Install the Driver 49 6 5 USBVCOM Virtual Serial Port 51 6 5 1 System Configuration 51 6 5 2 Installing Driver 51 7 SCPI Command Reference 52 7 1 ST2515 Subsystem Commands 52 7 1 1 DISPlay Subsyste...

Страница 6: ...Declaration The descriptions contained in this manual may not cover all information about this instrument Introductions to the improvements of the instrument in performance function internal structure...

Страница 7: ...test requirements of different resistor manufacturers The prominent performance makes the test results come up to IEC and MIL standard 1 2Unpacking Inspect the shipping container for damage after unpa...

Страница 8: ...est leads on the instrument that are connected to DUTs should be kept away from strong electromagnetic fields to avoid interference 1 6Use of Test Fixture Only use the test fixture or cable made by ou...

Страница 9: ...ON INPUT ST2515 DCRESISTANCEMETER 1 2 3 4 5 6 7 12 11 9 8 10 Figure 2 1 Front Panel 1 USB interface HOST interface of USB 2 LCD and touch screen 480 272 dot matrix 24 bit 4 3 inch TFT and touch LCD is...

Страница 10: ...wer switch 2 2Introduction to Rear Panel Figure 2 2 shows the rear panel of ST2515 HANDLER GPIB USB LAN EXT HOLD RS 232C 110V 240V 50 60Hz 30VA S N R5 211 00001 1 2 3 4 5 6 7 8 9 10 Figure 2 2 Rear Pa...

Страница 11: ...o the introduction of HANDLER in Chapter 8 for specific information 2 3Display Zone ST2515 adopts 24 bit 4 3 inch LCD touch screen with a resolution of 480 272 The display screen is divided into the f...

Страница 12: ...4 2 SYSTEM SETUP Press the SYSTEM button to enter into the SYSTEM SETUP page the following soft keys will be displayed SYSTEM SETUP LAN SETUP MEAS DISP 2 5Simple Operation Simple operation steps for...

Страница 13: ...e started up and a boot screen will be displayed Figure 2 4 shows the boot screen of ST2515 indicating product information such as instrument trademark model and version Figure 2 4 ST2515 Boot Screen...

Страница 14: ...er tools TOOLS Soft keys used to enter into operation pages 3 1 1 Measurement Functions Measurable parameters on ST2515 are as follows R Resistance R T Resistance and temperature T Temperature LPR Res...

Страница 15: ...o 20k see also section 3 1 5 and section 5 3 1 of this manual Resistance Range Current Resolution Accuracy Rd Fs Accuracy with OVC Rd Fs 20m 1A 0 1 0 25 0 015 0 25 0 001 200m 1 0 25 0 006 0 25 0 001 1...

Страница 16: ...ode the result is shown as a 5 digit number while in MED and SLOW as a 6 digit number and temperature as 4 digit 1 Touch the speed zone the following soft keys will be displayed FAST MED SLOW1 SLOW2 2...

Страница 17: ...ion will be inactive Once a U disk is found and this function is selected the corresponding soft key will be displayed as STOP SAVE and you can press this soft key again to terminate this operation NO...

Страница 18: ...his key to save the current screen page to a U disk If no U disk is found this function will be disabled 2 Refer to 4 2 for more details about FILE MANAGE 3 2 2 Tools Touch TOOLS the following soft ke...

Страница 19: ...the tested values and the set ones so as to judge the DUT is HI or LO or IN 2 percent error In this mode you can set the nominal value and the percent error If you set the nominal value as 100 and per...

Страница 20: ...ent result is different from the bin setting the corresponding bin will be displayed in grey RED When the measurement result is different from the bin setting the corresponding bin will be displayed i...

Страница 21: ...ttings of Its Relevant Values Touch this key two modes is available ABS high and low limits and percent error mode When ABS is selected the adjacent two items on the same line will be high and low lim...

Страница 22: ...used to be compared corresponds to the value of UPPER limit Lo Lower limit value used to be compared corresponds to the value of LOWER limit When Cp CpK 1 33 the working capacity is ideal When 1 33 Cp...

Страница 23: ...no U disk is found this function will be disabled 3 5 MEAS SETUP Touch the main menu And then touch the soft key MEAS SETUP to enter into the MEAS SETUP page shown as figure 3 5 Figure 3 5 Measuremen...

Страница 24: ...age is 5Vmax at the current of 1A while 2 6Vmax at the current of 100mA DETECT Detection time for wrong measurement Touch this key and the following soft keys will be displayed in the soft key zone AU...

Страница 25: ...e contact surface of them It will vary with the environment temperature The higher the environment temperature is the larger the thermoelectromotive force will be The principle of OVC is to apply an i...

Страница 26: ...nvironment temperature Rt0 Resistance after correction t0 Preset temperature t Current environment temperature t0 Temperature coefficient of the material For example A resistor is measured as 100 unde...

Страница 27: ...f t0 is 3930ppm t0 is 20 C Analog Input Touch the T SENS soft key to select the temperature input type AnLG_In is analog input and the corresponding forma is 1 2 1 2 2 1 1 2 1 2 V V V T V T ge InputVo...

Страница 28: ...a material at 20 C is 20 its temperature coefficient ct at t C will be as the following expression 3 6 2 Types of Temperature Sensor There are two temperature input types Pt and Analog Input 3 6 3 Par...

Страница 29: ...u And then touch MORE 1 2 to select BIN SETUP and the corresponding Bin Setup page will be displayed as figure 3 7 Figure 3 7 Bin Setup On this page you can set all parameters concerned with the bin c...

Страница 30: ...es 3 7 1 File File Manage Touch this key to enter into the file manage page Screen copy Touch this key to save the current screen copy to an external U disk If no U disk is found this function will be...

Страница 31: ...wing functions can be set TouchTone Language Password Bus Mode Baud Rate Bus Addr EOC ms Err OUT and AC Freq 4 1 1 TouchTone The function is used to control the touch tone Steps for setting the touch...

Страница 32: ...d which will be required to be input when opening a file or starting up the instrument LOCK FILE It is necessary to input the password if this function is enabled MODIFY Touch this key to modify the p...

Страница 33: ...00 28800 38400 96000 115200 4 1 6 Bus Addr Touch this key to control and display the current GPIB interface bus address Operation Procedures Touch Bus Addr the following items will be displayed in the...

Страница 34: ...ST2515 Operation Manual 28 Diagram 4 1 7 1 Timing diagram of internal trigger Diagram 4 1 7 2 4 1 8 Err OUT signal Diagram of measurement time...

Страница 35: ...l will be output 4 1 9 Power Supply Frequency ST2515 supplies two power supply frequencies 50Hz and 60Hz Please select the correct frequency so as to eliminate the influence of the power noise on the...

Страница 36: ...table below shows the applicable save methods and applications Table 4 1 Methods and Applications of Save save method recall application type file format configuration save internal Flash STA Yes Save...

Страница 37: ...t the U disk If the U disk memory exceeds 512M it is recommended to use FAT32 standard to format the disk 3 Before a U disk is connected to ST2515 you are recommended to save the data on it and Source...

Страница 38: ...the external file are similar Take internal file operations as an example to describe the specific procedures of file operations Operations on file are as follows Touch the file name to be edited If t...

Страница 39: ...rsor locates Copy to E Touch Copy to E The instrument will copy the file the cursor locates or the selected file to a U disk Select Touch Select the file the cursor locates will be selected ST2515 can...

Страница 40: ...m setup page Set the Bus Mode 4 1 4 to activate LAN Choose LAN SETUP to enter into the LAN SETUP page This page shows most LAN setups including DHCP IP ADDR SUBNET MASK GATEWAY DNS SERVER1 and DNS SER...

Страница 41: ...is commonly used to represent an IP address like 192 168 1 6 Touch the IP address zone to be modified the numerical keyboard will pop up You can input the desired address and press ENTER to finish the...

Страница 42: ...us Internal Continuously test a DUT and then output and display the result Manual Press the TRIGGER button on the panel the instrument will test a DUT once and display the result This mode keeps in wa...

Страница 43: ...50Hz 33 3ms measuring delay 60Hz SLOW1 100ms 200ms measuring delay SLOW2 400ms 800ms 7 measuring delay Computing time FAST 1ms 1ms MED 1ms 1ms SLOW1 2 1ms 1ms Loading time 70ms min 190ms max 70ms min...

Страница 44: ...ty temperature coefficient linearity repeatability correction interpolation error and environmental conditions of temperature and humidity Checking the measurement accuracy should be taken under the f...

Страница 45: ...10 250 40 200 200 000 02 000 OFF 100 20 100 20 100 30 100 40 10mA 5 2 6Vmax ON 100 10 100 10 100 10 100 40 2k 2000 00 020 00 OFF 100 15 100 20 100 40 100 50 1mA 5 2 6Vmax ON 100 10 100 10 100 10 100 4...

Страница 46: ...OFF 500 100 500 120 500 150 500 200 10mA 5 60mVmax ON 500 10 500 10 500 20 500 80 20 20 0000 0 2000 OFF 500 100 500 120 500 150 500 200 1mA 5 60mVmax ON 500 10 500 10 500 20 500 80 200 200 000 02 000...

Страница 47: ...emperature correction factor When the instrument is used under the following environmental conditions 0 C 18 C 80 RH 28 C 40 C 80 RH Measurement Accuracy Multiply the basic measurement accuracy value...

Страница 48: ...five lines or six lines which is the biggest advantage of using serial interface for communication The connection of the instrument with PC is shown in figure 6 1 TXD 2 3 RXD PC Controller RXD 3 2 TX...

Страница 49: ...is open so that the user can use the PC operation interface provided by ST2515 or take measurements by the control command system The control command system supports most functions of the instrument t...

Страница 50: ...Operation Manual 44 Test Instrument Piggyback Connector Figure 6 3 Typical GPIB System Interconnection for Double piggyback Connector Figure 6 4 Typical GPIB System Interconnection for 4 piggyback Con...

Страница 51: ...on interface to a value from1 to 31 For more details about address setup please refer to the page of SYSTEM SETUP under the SYSTEM menu 6 2 3 GPIB Bus Commands ST2515 will respond to the following bus...

Страница 52: ...ear the RQS request service bit and the SRQ string Each bit in a status byte will enables a SRQ service request User can shield the status byte to judge which bit causes ST2515 to set SRQ For details...

Страница 53: ...should be used To avoid IP address conflicts configure the ST2515 as described below before plugging in the network cable Parameter Settings Touch Bus Mode on the SYSTEM SETUP page Choose LAN in the...

Страница 54: ...t Explorer IE6 0 or newer Procedures of the access to ST2515 through a browser assume that the instrument s IP is 192 168 1 28 1 Start up the WWW browser 2 Input http 192 168 1 28 in the address zone...

Страница 55: ...l Bus remote control system controls the instrument through the USB interface This connection conforms to USBTMC USB488 and USB2 0 protocols 6 4 1 System Configuration Connect USB interfaces on PC and...

Страница 56: ...Procedure 2 of Installing USB Driver When the installation of driver is finished user can see usb test and measurement device in the device manager of PC as is shown in the following figure Figure 6...

Страница 57: ...6 5 2 Installing Driver Methods of installing USBVCOM driver are the same with that of installing USBTMC driver When the installation of driver is finished user can see usb VCom port in the PC device...

Страница 58: ...EMPerature STATistical SYSTem 7 1 1 DISPlay Subsystem Commands DISPlay subsystem commands are mainly used to set the instrument display page The DISPlay query returns to the current page Command Tree...

Страница 59: ...display page to temperature setup STAT Set the display page to statistics SYST Set the display page to system setup FLISt Set the display page to internal file list The STATe command is used to set w...

Страница 60: ...returns to the current page Command Tree The IMPedance command sets the function parameters The FUNCtion IMPedance query returns to the current function parameters Command Syntax FUNCtion IMPedance f...

Страница 61: ...00E 3 20 0000E 0 200 000E 0 2000 00E 0 20 0000E 3 110 000E 3 1100 00E 3 11 0000E 6 110 000E 6 The IMPedance RES RANGe AUTO command sets the range auto selection mode in common resistance measurement...

Страница 62: ...ntax ON 1 IMPedance LPR RANGe AUTO OFF 0 Where Character 1 integer 49 means ON Character 0 integer 48 means OFF For example WrtCmd FUNC IMP LPR RANG AUTO ON Set the range in resistance tested at low v...

Страница 63: ...ment fault detection time time Command syntax FUNCtion FDETect Measurement fault detection time Where Measurement fault detection time 0 to 9 998 NR2 For example WrtCmd FUNC FDETect 0 020 Set the inst...

Страница 64: ...d sets the instrument offset voltage compensation state The OVC Query returns to the current setstate Command syntax ON 1 OVC OFF 0 Where Character 1 integer 49 means ON Character 0 integer 48 means O...

Страница 65: ...ument average times used in measurement The APERture AVERage query returns to the current average times Command syntax Command syntax APER AVERage value Where value 1 to 255 For example WrtCmd APERtur...

Страница 66: ...returns to the current delay time Command syntax TRIGger DELay delay value Where delay value 0 to 9 999 in seconds For example WrtCmd TRIG DEL 0 5 Set the delay time as 0 5S Query syntax TRIGger DELa...

Страница 67: ...tatus error 2 On the measurement display page compare display interface bin display page and statistical interface and the measurement function is two parameter mode functions are R T LPR T Data forma...

Страница 68: ...he instrument temperature correction function as ON NOTE Turning the temperature correction function on will stop the temperature conversion function Query Syntax TEMPerature CORRect STATe Return form...

Страница 69: ...ure CONversion DELTa STATe Return format NR1 NL END NR1 1 or 0 1 the temperature conversion function of the instrument is ON 0 the temperature conversion function of the instrument is OFF The TEMPerat...

Страница 70: ...ter query returns to the current parameter setting Query Syntax TEMPerature PARameter V1 T1 V2 T2 Where V1 0 to 2 00 NR2 means reference voltage1 unit V T1 99 9 to 999 9 NR2 means reference temperatur...

Страница 71: ...n of the instrument is OFF The COMParator BEEPer command sets the comparator beeper mode of the instrument The COMParator BEEPer query returns to the current beeper mode Command syntax COMParator BEEP...

Страница 72: ...pper threshold must be greater than or equal to the lower threshold Query Syntax COMParator UPPer Return format the format and unit of Upper threshold NL END are the same as above The COMParator LOWer...

Страница 73: ...as 10 Query Syntax COMParator PERCent Return format the format and unit of Tolerance NL END are the same as above The COMParator RESult command querys the last comparator result of the instrument Que...

Страница 74: ...on of the instrument is OFF The BIN BEEPer command sets the beeper mode of the instrument bin comparator The BIN BEEPer query returns to the current bin beeper mode Command syntax BIN BEEPer OFF NG or...

Страница 75: ...lt is NG set the color of the result mark as GREEN For example WrtCmd BIN COLOr NG GRAY Set the color of the result mark as GRAY when the bin comparator result is NG Query Syntax BIN COLOr NG Return f...

Страница 76: ...e lower threshold of the specific bin unit For example WrtCmd BIN LOW 1 1800 Set the lower threshold of bin 1 as 1800 NOTE The lower threshold of the same bin should be less than or equal to the upper...

Страница 77: ...able mask decimal system Transfer some bit to 1 namely hold the corresponding bin enable Bit No 9 8 7 6 5 4 3 2 1 0 BIN NO BIN9 BIN8 BIN7 BIN6 BIN5 BIN4 BIN3 BIN2 BIN1 BIN0 For example WrtCmd BIN ENAB...

Страница 78: ...N Query Syntax STATistics STATe Return format NR1 NL END NR1 1 or 0 1 the current statistics function of the instrument is ON 0 the current statistics function of the instrument is OFF The STATistics...

Страница 79: ...unction of the instrument is ON ignore this command Query Syntax STATistics UPPer Return format the format and unit of Upper threshold NL END are the same as above The STATistics LOWer command sets th...

Страница 80: ...t is ON ignore this command Query Syntax STATistics PERCent Return format the format and unit of Tolerance NL END are the same as above The STATistics CLEAr command is used to clear the statistics res...

Страница 81: ...ery the statistics compare results Query Syntax STATistics COUNt Return format HI count NR1 IN count NR1 LO count NR1 measurement error count NR1 For example WrtCmd STAT COUNt Returned value 12 246 78...

Страница 82: ...wise ignore this command For example WrtCmd IO OUT 15 The IO IN command is used to read 2 bit binary data input by Handler EXT I O port Bit number 0 RTIG pin of EXT I O Bit number 1 PRINT pin of EXT I...

Страница 83: ...a count Memory data count 0 to 20 NR2 NOTE The new measurement result will not be saved once the count of measurement results saved has reached 20 only when the clear command MEMory CLEAr is executed...

Страница 84: ...te of the instrument is ON 0 the current beeper state of the instrument is OFF The SYSTem LFRequency command sets the line frequency of the instrument The SYSTem LFRequency query returns to the curren...

Страница 85: ...rement state error The SYSTem ERRor query returns to the current output mode of the measurement state error Command syntax SYSTem ERRor SYNChronous ASYNchronous Where SYNChronous set the output mode o...

Страница 86: ...the current EOC output mode is HOLD PULSe the current EOC output mode is PULSe The SYSTem EOC PULSe command sets the pulse width when the EOC output mode is PULSe The SYSTem EOC PULSe query returns to...

Страница 87: ...an internal self test and returns the test result as the sum of all existing error codes If there are no errors ST2515 returns 0 Query syntax TST Return format 0 NL END Where 0 0 NR1 format For examp...

Страница 88: ...for contents of the standard event status register Descriptions for each bit of the standard event status register are shown as follows For example WrtCmd ESR The STB query returns contents of the st...

Страница 89: ...mpleted this command will inform the instrument to add an ASCII number 1 decimal number 49 into the output buffer Command syntax OPC For example OUTPUT 717 OPC Set the OPC bit of the instrument when t...

Страница 90: ...3 IN 28 IN 4 IN 29 IN 5 Unused 30 COM 6 COM 31 COM 7 INT GND 32 INT GND 8 INT VCC 33 INT VCC 9 INT VCC 34 EXTV 10 EXTV 35 EXTV 11 OUT ERR 36 OUT INDEX 12 OUT EOC 37 OUT Hi 13 OUT IN 38 OUT Lo 14 OUT...

Страница 91: ...9 0 0 0 1 1 28 0 0 1 0 0 27 0 0 1 0 1 26 0 0 1 1 0 25 0 0 1 1 1 24 0 1 0 0 0 23 0 1 0 0 1 22 0 1 0 1 0 21 0 1 0 1 1 20 0 1 1 0 0 19 0 1 1 0 1 18 0 1 1 1 0 17 0 1 1 1 1 16 1 0 0 0 0 15 1 0 0 0 1 14 1 0...

Страница 92: ...shed and it will calculate the resistance of the DUT EOC the end signal of measurement conversion Hi IN Lo the comparator results BIN0 to BIN9 OB out of bins if the value of the DUT conforms to the bi...

Страница 93: ...ut Each output signal is output and isolated by a photoelectric coupler The output voltage of each line is determined by the connection between a pull up resistor and an externally applied voltage EXT...

Страница 94: ...ess Ok to confirm the upgrade 4 After updating the machine will automatically restart which means the success of the update 9 2Package Contents Following items should be contained in the package Verif...

Страница 95: ...humidity is not greater than 85 and the air contains no detrimental impurities that might corrode the instrument 9 7Warranty This Sourcetronic instrument product is warranted against defects in materi...

Страница 96: ...www sourcetronic com SOURCETRONIC GMBH Fahrenheitstrasse 1 28359 Bremen Germany T 49 421 2 77 99 99 F 49 421 2 77 99 98 info sourcetronic com www sourcetronic com skype sourcetronic...

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