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SME1202A

39

Figure 6-5 USBTMC Display of PC Device Manager

When user is using USBTMC interface, labview software can be used to access the

instrument.

6.4

USBVCOM Virtual Serial Port

When “USBVCOM” is selected, the USB interface can be configured as a virtual serial

port (VCom).

6.4.1

System Configuration

Connect PC and SME1202A to the USB interface through a USB cable.

6.4.2

Installing Driver

Methods of installing USBCDC 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 6-6.

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Содержание SME1202A

Страница 1: ...Insulation Resistance Meter SME1202A User Manual ...

Страница 2: ...manual supersedes all corresponding previous released material Scientific continues to improve products and reserves rights to amend part of the specifications procedures equipment at any time without notice Rev 1 0 1509 SCIENTIFIC MES TECHNIK PVT LTD B 14 Industrial Estate Pologround INDORE 452015 INDIA Tel 0731 2422330 31 32 33 E mail info scientificindia com Fax 0731 2422334 2561641 Website www...

Страница 3: ...nels 10 2 1 Introduction to Front Panel 10 2 2 Introduction to Rear Panel 11 2 3 Display Zone 12 2 4 Introduction to Buttons on Front Panel 13 2 4 1 MEAS 13 2 4 2 SYSTEM 13 2 5 Simple Operation 13 2 6 Starting Up 13 3 Basic Operation 15 3 1 MEAS DISP 15 3 1 1 Measurement Functions 16 3 2 MEAS SETUP 16 3 2 1 OUTP VOLT 17 3 2 2 MEAS MODE 17 3 2 3 CHAR TIME 18 3 2 4 MEAS SPEED 18 3 2 5 RANGE SET 18 3...

Страница 4: ...ion Process 25 3 4 3 Range Selection 26 4 System Setup and File Manage 27 4 1 System Setup 27 4 1 1 BEEPER 27 4 1 2 PASSWORD 27 4 1 3 BUS MODE 28 4 1 4 LANGUAGE 28 4 1 5 KEYSOUND 28 4 1 6 TRIGER 29 4 1 7 BAUD RATE 29 4 1 8 HANDLER VCC 29 4 1 9 Setting Time and Date 29 4 2 File Setup 30 4 2 1 Introduction to Save Recall 30 4 2 2 Structure of File Folder File in a U Disk 30 5 Performance Index 34 5 ...

Страница 5: ...dard Commands for Programmable Instruments 37 6 3 USBTMC Remote Control System 37 6 3 1 System Configuration 37 6 3 2 Install the Driver 37 6 4 USBVCOM Virtual Serial Port 39 6 4 1 System Configuration 39 6 4 2 Installing Driver 39 7 SCIP Command Reference 41 7 1 SME1202A Subsystem Commands 41 7 1 1 DISPlay Subsystem Commands 41 7 1 2 FUNCtion Subsystem Commands 42 7 1 3 DISCharge Subsystem Comman...

Страница 6: ...6 SME1202A 8 Handler Interface 54 9 Maintenance Service and Warranty 57 9 1 Maintenance 57 9 2 Dispatch Procedure for Service 57 9 3 Warranty Conditions 57 ...

Страница 7: ...n interface can achieve the off site operations of all functions of the instrument through microcomputer 1 Test voltage range 1000V 2 Insulation resistance test range 100kΩ 10TΩ 3 Insulation resistance leakage current dual display 4 Manual or auto range mode 6 ranges 5 4 bin comparison function 3 bins for PASS 1 bin for FAIL 6 Zero clearing function 7 Contact detection function for capacitive comp...

Страница 8: ...ammable Measurement delay 0 999s programmable Measurement Speed Fast 30ms Slow 60ms Comparator Function 4 bins 3 bins for PASS 1 bin for FAIL Range Mode Auto Hold Memory Internal memory and external USB disk Standard Interface RS232C USB Host USB Device Handler General Specifications Environmental Conditions Operating Temp 0 C 40 C RH 90 RH Storage Temp 5 C 40 C RH 85 RH Input Power 198 242V AC 50...

Страница 9: ...cially designed for decreasing noise jamming caused by the AC power input but it is also recommended to use it in the environment of low noise If noise cannot be avoided install a power filter please 5 If the instrument is not used for a long time place it in the original or a similar packing The environment temperature should be kept in the range of 0 C to 40 C and the relative humidity should no...

Страница 10: ...3 MEAS Press MEAS to enter into the MEAS DISP page 4 FILE Press FILE to enter into the page of internal and external File Manage 5 SYSTEM Press SYSTEM to enter into the SYSTEM SETUP page 6 ENTER Press this key to terminate and store input data 7 Test terminals HV INPUT GUARD HV voltage output terminal INPUT sampling input terminal GUARD ground shield terminal 8 TEST When the trigger mode is set as...

Страница 11: ... be used to trigger measurement when the trigger source is EXT 3 Power Socket It is used to input AC power and it is equipped with fuse socket Fuse will be placed in fuse socket to protect the instrument 4 Serial No Serial Number of instrument 5 Ground Terminal This terminal connects the instrument chassis thus to protect or shield ground connection 6 HANDLER Interface Through HANDLER interface an...

Страница 12: ... measurement parameters and zones after colon of functional parameters can be touched to change 3 Soft keys This zone displays the function menu corresponding to the cursor located zone 4 Result display This zone displays the measurement result and the time of each test procedures counting down 5 Prompt information This zone displays all prompt information 6 Bin display This zone displays sorting ...

Страница 13: ...sor is moved to a soft key zone press ENTER to confirm the selection If it is required to input a number or a file name use the keyboard to input and press ENTER to finish entry You can use arrow buttons to select a number or a letter NOTE DO NOT use sharp tools or nails to touch the screen Doing so will cause damage to the screen our company shall not be liable to this case 2 6 Starting Up Plug i...

Страница 14: ...14 SME1202A BIN1 Figure 2 5 SME1202A Main Display ...

Страница 15: ... pick out setup page START Save the current measurement results will be saved to U disk by pressing this touch key If there is no U disk inserted in the interface the measurement results will not be saved if there is U disk the touch key of START Save will change into STOP Save and it will stop saving the data into U disk by pressing the touch key of STOP Save NOTE Be sure to press STOP Save to en...

Страница 16: ... lower line shows the secondary parameter Note 1 Settings and modifications of all functions can be taken by the following steps 1 Touch the corresponding function zone and then select the desired function in the soft key zone on the right side of the screen 2 Use arrow buttons and ENTER button to set and modify the corresponding function 2 Settings and modifications of all functions can only be t...

Страница 17: ...y to increase output voltage set value Touch this key and then the voltage will increase in steps of 1V 10V 25V 50V 75V 100V 125V 150V 200V 250V 500V 750V 1000V This is fine adjustment key to increase output voltage set value Touch this key and then the voltage will increase by 1V This is fine adjustment key to decrease output voltage set value Touch this key and then the voltage will decrease by ...

Страница 18: ...d the instrument will decrease the charge time set value rapidly by 0 10s Steps for setting the WAIT TIME MEAS TIME and DICH TIME are the same as CHAR TIME The setting range of CHAR TIME WAIT TIME MEAS TIME and DICH TIME is 0 999s When the time is set as 0s this step is closed refer to 3 4 2 for detail measurement procedures 3 2 4 MEAS SPEED This function is used for setting the measurement speed ...

Страница 19: ...ting the contact check of the instrument As the unique contact check function of SME1202A this function can well identify the contact performance of components for capacitance cable and other capacitive materials and reduce the occurring of error test In addition the contact check will not increase any measurement time When the CONT CHEC function is set as ON NO CONT NO CONTACT not R or I will be ...

Страница 20: ...the instrument The set range is 1 199 Operation Procedures for setting the Average Procedure 1 Touch this key to select the option and then the colour of this option becomes the colour of the cursor Touch this key cursor again to enter into the number soft keyboard input the required average times and then press the ENTER key to confirm and return to MEAS SETUP page Procedure 2 Touch the average z...

Страница 21: ...etting the MEAS TIME the above restriction rules are also required 3 2 10 MEAS DISP This function is used for setting the MEAS DISP of the instrument as ON OFF Steps for MEAS DISP Touch the corresponding zone The following items will be displayed in the soft key zone ON It is used for setting the MEAS DISP as ON OFF It is used for setting the MEAS DISP as OFF Touch the corresponding key in soft ke...

Страница 22: ...of this option becomes the colour of the cursor 2 Touch this key cursor again to enter into the number soft keyboard input the required lower limit value four digit significant figures and then select the unit to confirm and return to PICKOUT SETUP page The setting methods of UPLI ONE Upper Limit Bin1 LOLI TWO Lower Limit Bin2 UPLI TWO Upper Limit Bin2 LOLI THR Lower Limit Bin3 and UPLI THR Upper ...

Страница 23: ...he BIN Display as ON OFF It is used for setting the BIN Display as OFF Touch the corresponding key in soft key zone to select the relevant function 3 3 6 PICK LIVA Touch the corresponding zone The following items will be displayed in the soft key zone ON It is used for setting the PICK LIVA as ON OFF It is used for setting the PICK LIVA as OFF Touch the corresponding key in soft key zone to select...

Страница 24: ... the colour of this option becomes the colour of the cursor 2 Touch this key cursor again to enter into the number soft keyboard input the required pulse width and then press the ENTER key to confirm and return to PICKOUT SETUP page Procedure 2 Touch the average zone needs to be modified on the screen and the following items will be displayed in the soft key zone Touching this key increases the pu...

Страница 25: ...strument for a long time is not allowed otherwise it will damage the instrument In order to obtain ideal accuracy and stability it is highly recommended to operate the instrument in specified environmental conditions 3 4 2 Operation Process 1 Press TEST key to start the test 2 Press DISCH Key to finish testing and return to discharge condition The specific steps are as follow Where the HV mark wil...

Страница 26: ...Range Input Internal Resistance 1 1mA 1kΩ 2 100µA 10kΩ 3 10µA 100kΩ 4 1µA 1MΩ 5 100nA 10MΩ 6 10nA 100MΩ Figure 3 1 Range resistances When the RANGE SET of the instrument is set as AUTO for different resistances being measured the instrument will choose the optimal input resistance to achieve ideal measurement results ...

Страница 27: ...R the following soft key zone will be displayed ON Touch this key to turn on the beeper function OFF Touch this key to turn off the beeper function You can touch soft key zone to set corresponding functions 4 1 2 PASSWORD This function is used to set the password Touch PASSWORD the following soft key zone will be displayed OFF Touch this key to turn off the password protection function This functi...

Страница 28: ...BVCOM 2 Touch RS232C to select the RS232C interface 3 Touch RS485 to select the RS485 interface 4 Touch USBTMC to select the USBTMC interface The instrument communicates with PC through the USB interface USB DEVICE on the rear panel 5 Touch USBVCOM to select the USBVCOM interface The instrument communicates with PC through the USB interface USB DEVICE on the rear panel 4 1 4 LANGUAGE This function...

Страница 29: ...8000k 38 4000k 48 0000k 57 6000k 67 2000k 76 8000k 86 4000k 96 0000k 105 600k and 115 200k Steps for setting the baud rate Touch BAUD RATE the following items will be displayed in the soft key zone Touch the key to increase the baud rate Touch the key to decrease the baud rate 4 1 8 HANDLER VCC This function is used to control the VCC selection for handler interface of the instrument Touch HANDLER...

Страница 30: ...h or external U disk Introduction to Methods and Applications of Save The table below shows the applicable save methods and applications Table 4 1 Methods and Applications of Save Save method Type File format Recall Application Configuration save internal Flash STA Yes Save the current configuration to internal Flash Configuration save external U disk STA Yes Save the current configuration to exte...

Страница 31: ...disk memory exceeds 512M it is recommended to use FAT32 standard to format the disk 3 Before a U disk is connected to SME1202A you are recommended to save the data on it and we will not be liable for the data loss 4 In order to rapidly save the instrument data to a U disk it is not recommended to store too many files or folders Operation Procedures Touch FILE SETUP to enter into the internal file ...

Страница 32: ...e the specific procedures of file operations Operations on file are as follows Touch the file name to be edited If the file name does not exist in the current page you can touch Page 1 and select Previous Page and Next Page to toggle between file pages and then select the desired file the following items will be displayed Load Touch this key if the file name that the cursor locates is not empty YE...

Страница 33: ...sly copy several selected files to a U disk Touch Select once again the selected file will be cancelled from selection Save Measurement Results In the MEAS DISP page touch Start Save in soft key zone to save measurement results to a U disk Touch Stop Save the instrument will stop saving measurement results Operations of External File and Folder Operations of external file are similar to that of in...

Страница 34: ...he instrument receives an external start up signal from the footswitch of HANDLER interface on the rear panel BUS The measurement of the instrument will be triggered through the communication interface 5 1 4 Mode of Test Terminal 2 terminal measurement mode HV DCV output terminal INPUT Sampling input terminal 5 1 5 Measurement Speed when MEAS DISP BIN DISP is set as OFF Speed Parameter FAST SLOW R...

Страница 35: ...kage current test 6 1nA 10nA 1MΩ 5 3 Measurement Accuracy Measurement accuracy depends on measurement stability temperature coefficient linearity repeatability and correction interpolation error Checking the measurement accuracy should be taken under the following circumstances a Warm up time should be more than 30 minutes b Correctly open the output terminal and perform zero clearing by pressing ...

Страница 36: ...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 TXD SME1202A GND 5 5 GND Figure 6 1 Connection of the instrument with PC Figure 6 1 shows that the serial interface pin definition of this instrument is different from that of 9 pin connector used in the computer R...

Страница 37: ...ctions Level C shows the common system functions Level B shows the information communication functions Level A shows the interface functions IF Figure 6 2 SCPI functions levels 6 3 USBTMC Remote Control System USB Universal Serial Bus remote control system controls the instrument through the USB interface This connection conforms to USBTMC USB488 and USB2 0 protocols 6 3 1 System Configuration Con...

Страница 38: ...logue 6 4 will pop up Choose Install the software automatically recommended Figure 6 4 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 ...

Страница 39: ...selected the USB interface can be configured as a virtual serial port VCom 6 4 1 System Configuration Connect PC and SME1202A to the USB interface through a USB cable 6 4 2 Installing Driver Methods of installing USBCDC 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 6 ...

Страница 40: ...202A Figure 6 6 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 ...

Страница 41: ...y Subsystem Commands DISPlay subsystem commands are mainly used to set the instrument display page The DISPlay query returns to the current page Command Tree The PAGE command sets the display page The DISPlay PAGE qurey returns to the current page Command Syntax DISPlay PAGE page name Functions of page name are as follows MEASurement Set the display page to measurement display MSETup Set the displ...

Страница 42: ...zero clearing passes the zero base used in this measurement is obtained from this open zero clearing if this zero clearing fails the zero base used in this measurement is factory default The CZERo OFF command is used to cancel the influence of the zero base towards measurement results when users execute zero clearing successfully At this time the zero base used in the measurenment is the factory d...

Страница 43: ...to the current output voltage of the instrument The MMODe command sets the measurement mode of the instrument The FUNCtion MMODe query returns to the measurement mode of the instrument SINGle Command Syntax FUNCtion MMODe CONTinuous Where SINGle and CONTinuous respectively indicate single and continuous measurement For example WrtCmd FUNCtion MMOD SINGle set the measurement mode of the instrument ...

Страница 44: ...N NL END OFF The CTTMe command set the charge time of the instrument The FUNCtion CTTMe query returns to the current charge time of the instrument Command syntax FUNCtion CTIMe value Where value is any real value among the charge time range 0 999 0s of the instrument correct to 0 1s For example WrtCmd FUNCtion CTTM 12 5 set the charge time of the instrument as 12 5s Query syntax FUNCtion CTTMe Ret...

Страница 45: ...discharge time range 0 999 0s of the instrument correct to 0 1s For example WrtCmd FUNCtion DTIMe 12 5 set the discharge time of the instrument as 12 5s Query syntax FUNCtion DTIMe Return Format value NL END The FUNCtion DTIMe query returns to the discharge time of the instrument The AVERage command sets the measurement average time of the instrument The FUNCtion AVERage query returns to the curre...

Страница 46: ...nt display switch of the instrument The FUNCtion MDISplay query returns to the current measurement display switch of the instrument Command syntax ON 1 FUNCtion MDISplay OFF 0 Where Character 1 integer 49 means ON Character 0 integer 48 means OFF For example WrtCmd FUNC RANG MDIS ON Set the measurement display switch of the instrument as AUTO Query syntax FUNCtion MDISplay ON Return format NL END ...

Страница 47: ...OLD Where EXTernal Be triggered by the HANDLER interface BUS Be triggered by the RS232 interface or the USB interface DEVICE HOLD Be triggered by pressing the TEST key For example WrtCmd TRIG SOUR BUS Query syntax TRIGger SOURce Return format EXT BUS NL END HOLD 7 1 5 FETCH Subsystem Commands The FETCh Subsystem commands are used to get the measurement result of SME1202A Command Tree FETCh IMP AUT...

Страница 48: ...Parameter Compare range Current Range 1 95uA 1 05mA Range 2 9 5uA 105uA Range 3 0 95uA 10 5uA Range 4 95nA 1 05uA Range 5 9 5nA 105nA Range 6 10 5nA Ultralimit 0 downlap 1 between the range 2 onlap When the PICKOUT function is set as OFF Data format insulation resistance leakage current ultralimit Ultralimit 0 downlap 1 between the range 2 onlap AUTO command makes SME1202A to send each measurement...

Страница 49: ...kout function as ON or OFF It can query the current pickout function state Command syntax ON 1 COMParator FUNCtion OFF 0 Where Character 1 integer 49 means ON Character 0 integer 48 means OFF For example WrtCmd COMP FUNC ON Query syntax COMParator FUNCtion Return format NR1 NL END The ITEM command sets the pickout item of the instrument COMParator ITEM Query returns to the current pickout item Com...

Страница 50: ... limit is the high limit of NR1 NR2 or NR3 data format For example WrtCmd COMP Current BIN1 12 00n 50 00n the default unit of resistance is Ω and the default unit of current is A Query syntax COMP Current BIN n Return format NR3 NR3 NL END BEEPer BONe BTWo BTHRee NG OFF The above commands are used to specify the indication of beeper toward pickout results or turn off the beeper function Command sy...

Страница 51: ...he BLIMitvalue query returns to the current bin limit value Command syntax ON 1 COMParator BLIMitvalue OFF 0 Where Character 1 integer 49 means ON Character 0 integer 48 means OFF For example WrtCmd COMP BLIM ON Query Syntax COMParator BLIMitvalue Return format NR1 NL END The ORESultcommand sets the bin output results type of the instrument COMParator ORESult query returns to the current bin outpu...

Страница 52: ...m BEEP OFF 0 and ON 1 commands are used to set and query the system beeper of the instrument For example SYST BEEP 0 turn off the beeper Query Syntax SYST BEEP Return format 0 or 1 SYSTem VERSion It can query the current version number of the instrument for example Ver 1 00 SYSTem STSTus It can query the current status of the instrument Return format DISCharging indicating the syatem is in dischar...

Страница 53: ... name Where value file sequence number of 1 20 NR1 name file name suffix STA is not required the length is less than 15 characters For example WrtCmd MMEM STOR STAT 1 ABC 7 2 GPIB Common Comamnds RST TRG IDN The RST command resets the instrument Command syntax RST For example WrtCmd RST The TRG command triggers the measurement and then sends the result to the output buffer Command syntax TRG For e...

Страница 54: ...criptions Port No Port name Description 1 START Low level pulse it is valid when in falling edge When the instrument is in external trigger mode and this signal is valid the instrument will trigger one measurement 2 PASS2 BIN2 passes 3 FAIL BIN failed 4 VCC Internal electric source 5V 5 EXTV External power supply 5V 6 PASS1 BIN1 passes 7 PASS3 BIN3 passes 8 EOC End of the measurement 9 COM Externa...

Страница 55: ...put pins 1 through 5 is opened by a collector output and isolated by a photoelectric coupler The output voltage of each line is set by a pull up resistor on the handler interface board The pull up resistors can be connected to the internally supplied voltage 5V or to an externally applied voltage EXV 5V by setting through the setup item on the MEAS SETUP page Comparator result output circuit and e...

Страница 56: ...56 SME1202A VCC_IO Handler VCC setting the HANDLER VCC as INTER or EXTER GND_IO Handler GND setting the HANDLER GND as INTER or EXTER ...

Страница 57: ...serve the following procedure Before dispatching the instrument please write to us giving full details of the fault noticed 17 After receipt of your communication our service department will advise you whether it is necessary to send the instrument back to us for repairs or the adjustment is possible in your premises 18 Dispatch the instrument only on the receipt of our advise securely packed in o...

Страница 58: ...chase No other warranty is expressed or implied When it becomes necessary to return the instrument to our Factory facility kindly pack it carefully in the original carton or equivalent and ship it duly insured transportation charges prepaid Your Scientific instrument is a complex electronic device and deserves the best service available by technicians thoroughly familiar with its service and calib...

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