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Contains Performance Verification, Calibration, and Repair Information

References to the Model 6517 also apply to the Model 6517A.

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Содержание 6517

Страница 1: ...Model 6517A Electrometer Service Manual Contains Performance Verification Calibration and Repair Information References to the Model 6517 also apply to the Model 6517A...

Страница 2: ...OF ITS EMPLOYEES SHALL BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF ITS INSTRU MENTS AND SOFTWARE EVEN IF KEITHLEY INSTRUMENTS INC HAS BEEN A...

Страница 3: ...Model 6517A Electrometer Service Manual 1998 Keithley Instruments Inc All rights reserved Cleveland Ohio U S A Second Printing April 1999 Document Number 6517A 902 01 Rev B...

Страница 4: ...manual Addenda are num bered sequentially When a new Revision is created all Addenda associated with the previous Revision of the manual are incorporated into the new Revision of the manual Each new...

Страница 5: ...sent A good safety practice is to expect that hazardous voltage is present in any unknown circuit before measuring Users of this product must be protected from electric shock at all times The responsi...

Страница 6: ...y before performing the indicated procedure The CAUTION heading in a manual explains hazards that could damage the instrument Such damage may invalidate the warranty Instrumentation and accessories sh...

Страница 7: ...verification procedures 1 5 1 9 1 DC volts verification 1 6 1 9 2 DC amps verification 1 6 1 9 3 Coulombs verification 1 9 1 9 4 Ohms verification 1 11 1 10 Voltage source verification 1 14 1 11 Temp...

Страница 8: ...bration PROTected DATA 3 8 3 3 8 OPT CALibration UNPRotected OPTion 3 8 3 3 9 CALTEMP CALibration PROTected CALTEMP 3 8 3 4 Meter commands 3 9 3 4 1 Offset commands 3 9 3 4 2 Volts function calibratio...

Страница 9: ...3 6 Disassembly 6 1 Introduction 6 1 6 2 Handling and cleaning precautions 6 1 6 2 1 PC board handling 6 1 6 2 2 Solder repairs 6 2 6 3 Special handling of static sensitive devices 6 2 6 4 Case cover...

Страница 10: ...16 Figure 1 11 Connections for humidity verification 1 17 2 Calibration Figure 2 1 Calibration unit connections 2 7 Figure 2 2 Connections for DC volts calibration 2 8 Figure 2 3 Connections for 20pA...

Страница 11: ...ERR query response current function cal errors B 6 Figure B 4 CERR query response coulombs function cal errors B 7 Figure B 5 TERR query response temperature function cal errors B 7 Figure B 6 HERR qu...

Страница 12: ...2 Limits for humidity verification 1 16 2 Calibration Table 2 1 Recommended calibration equipment 2 3 Table 2 2 Front panel calibration summary 2 5 Table 2 3 Volts calibration summary 2 8 Table 2 4 Am...

Страница 13: ...ne Maintenance Table 4 1 Power line fuse 4 2 5 Troubleshooting Table 5 1 Power supply circuits 5 6 Table 5 2 Display board checks 5 10 Table 5 3 Power supply checks 5 11 Table 5 4 Digital board checks...

Страница 14: ...rm up period Describes the length of time the Model 6517A should be allowed to warm up before testing 1 4 Line power Covers power line voltage ranges during testing 1 5 Recommended equipment Summarize...

Страница 15: ...terized resistors are required in addition to the Model 5156 Electrometer Calibration Standard 1 3 Warm up period The Model 6517A must be allowed to warm up for at least one hour before performing the...

Страница 16: ...ter Triax to alligator clip cable Triax shielding cap 5ppm basic uncertainty 1 DC Voltage 1 9V 7ppm 19V 5ppm 190V 7ppm DC current 19 A 576ppm 190 A 103ppm 1 9mA 55ppm 19mA 55ppm Ohms 1 9M nominal 19M...

Страница 17: ...ltage calibrator 0V 0 5V 1V 5ppm basic accuracy Banana plugs to clip leads 2 1 in lengths of solid 20AWG wire DC voltage calibrator with better than 0 25 basic accuracy may be substituted Model 6517A...

Страница 18: ...oltage offset and input bias current using IEEE 488 bus commands proceed as follows 1 Turn on the Model 6517A and allow a one hour warm up period before calibrating voltage and current offsets 2 Conne...

Страница 19: ...ith nega tive voltages of the same magnitude as those listed in Ta ble 1 5 1 9 2 DC amps verification DC amps accuracy is checked by applying accurate DC cur rents to the instrument INPUT jack and the...

Страница 20: ...ibrator Figure 1 1 Connections for DC volts verification Figure 1 2 Connections for 20pA 2 A range verification WARNING NO INTERNAL OPERATOR SERVICABLE PARTS SERVICE BY QUALIFIED PERSONNEL ONLY WARNIN...

Страница 21: ...the reading to settle completely then note the reading on the Model 6517A display Verify that the reading is within the limits listed in Table 1 6 12 Reverse the calibrator voltage polarity then make...

Страница 22: ...GAINST FIRE HAZARD REPLACE FUSE WITH SAME TYPE AND RATING INPUT 250V PEAK LINE RATING 50 60HZ 50VA MAX AC ONLY LINE FUSE SLOWBLOW 1 2A 90 125V 1 4A 180 250V IEEE 488 CHANGE IEEE ADDRESS WITH FRONT PAN...

Страница 23: ...NNEL ONLY WARNING NO INTERNAL OPERATOR SERVICABLE PARTS SERVICE BY QUALIFIED PERSONNEL ONLY CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE WITH SAME TYPE AND RATING CAUTION FOR CONT...

Страница 24: ...hat the instrument is properly configured as follows Failure to do so will result in erroneous or erratic measurements Step 1 Select the auto voltage source mode 1 Press CONFIG and then R 2 Select VSO...

Страница 25: ...10V 105 125V 180 220V 210 250V 1010V PEAK 750V PEAK Triax Cable Model 6517 Electrometer HI Resistance Calibrator Voltage Source HI Table 1 9 Limits for ohms verification Model 6517A range Nominal resi...

Страница 26: ...on the Model 6517A 3 Place the voltage source in operate 4 Make sure that zero check is disabled and allow the reading to settle 5 Verify that the displayed reading is within the calculated limits li...

Страница 27: ...PUT TEMP TYPE K HUMIDITY OPTION SLOT V SOURCE EXT TRIG IN MTR COMP OUT INTERLOCK SELECTED LINE VOLTAGE 90 110V 105 125V 180 220V 210 250V 1010V PEAK 750V PEAK Triax Cable Model 6517 Electrometer Conne...

Страница 28: ...E FUSE SLOWBLOW 1 2A 90 125V 1 4A 180 250V IEEE 488 CHANGE IEEE ADDRESS WITH FRONT PANEL MENU DIGITAL I O TRIG LINK 115V LO HI RS232 MADE IN U S A PREAMP OUT 250 PEAK COMMON 2V ANALOG OUTPUT TEMP TYPE...

Страница 29: ...PERATOR SERVICABLE PARTS SERVICE BY QUALIFIED PERSONNEL ONLY CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE WITH SAME TYPE AND RATING CAUTION FOR CONTINUED PROTECTION AGAINST FIRE H...

Страница 30: ...NG INPUT 250V PEAK LINE RATING 50 60HZ 50VA MAX AC ONLY LINE FUSE SLOWBLOW 1 2A 90 125V 1 4A 180 250V IEEE 488 CHANGE IEEE ADDRESS WITH FRONT PANEL MENU DIGITAL I O TRIG LINK 115V LO HI RS232 MADE IN...

Страница 31: ...midity limits for calibration 2 3 Warm up period Discusses the length of time the Model 6517A should be allowed to warm up before calibration 2 4 Line power States the power line voltage limits when c...

Страница 32: ...hould also be allowed to warm up for the minimum period specified by the manufacturer 2 4 Line power The Model 6517A should be calibrated while operating from a line voltage within the range specified...

Страница 33: ...C adapter BNC to dual banana plug adapter Keithley 237 ALG 2 Triax to alligator clips cable Keithley CAP 31 Triax shielding cap Banana plugs to clip leads 2 1 in lengths of solid 20AWG wire Omega CL 3...

Страница 34: ...l display an appropriate error message see Appendix B 2 7 2 IEEE 488 bus error reporting You can detect errors over the bus by testing the state of EAV ErrorAvailable bit bit 2 in the status byte Use...

Страница 35: ...40V voltage source calibration 100V voltage source calibration None Triax shorting cap to INPUT jack Triax shielding cap to INPUT Triax short to INPUT Voltage calibrator to INPUT Voltage calibrator to...

Страница 36: ...l can now be run Table 2 2 Front panel calibration summary cont Step Description Equipment connections 49 50 51 52 53 54 55 56 100V voltage source calibration 0V 1000V range voltage source cal 400V vo...

Страница 37: ...50V PEAK LINE RATING 50 60HZ 50VA MAX AC ONLY LINE FUSE SLOWBLOW 1 2A 90 125V 1 4A 180 250V IEEE 488 CHANGE IEEE ADDRESS WITH FRONT PANEL MENU DIGITAL I O TRIG LINK 115V LO HI RS232 MADE IN U S A PREA...

Страница 38: ...EPLACE FUSE WITH SAME TYPE AND RATING INPUT 250V PEAK LINE RATING 50 60HZ 50VA MAX AC ONLY LINE FUSE SLOWBLOW 1 2A 90 125V 1 4A 180 250V IEEE 488 CHANGE IEEE ADDRESS WITH FRONT PANEL MENU DIGITAL I O...

Страница 39: ...E ADDRESS WITH FRONT PANEL MENU DIGITAL I O TRIG LINK 115V LO HI RS232 MADE IN U S A PREAMP OUT 250 PEAK COMMON 2V ANALOG OUTPUT TEMP TYPE K HUMIDITY OPTION SLOT V SOURCE EXT TRIG IN MTR COMP OUT INTE...

Страница 40: ...RD REPLACE FUSE WITH SAME TYPE AND RATING CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE WITH SAME TYPE AND RATING INPUT 250V PEAK LINE RATING 50 60HZ 50VA MAX AC ONLY LINE FUSE SLO...

Страница 41: ...INE RATING 50 60HZ 50VA MAX AC ONLY LINE FUSE SLOWBLOW 1 2A 90 125V 1 4A 180 250V IEEE 488 CHANGE IEEE ADDRESS WITH FRONT PANEL MENU DIGITAL I O TRIG LINK 115V LO HI RS232 MADE IN U S A PREAMP OUT 250...

Страница 42: ...REPLACE FUSE WITH SAME TYPE AND RATING INPUT 250V PEAK LINE RATING 50 60HZ 50VA MAX AC ONLY LINE FUSE SLOWBLOW 1 2A 90 125V 1 4A 180 250V IEEE 488 CHANGE IEEE ADDRESS WITH FRONT PANEL MENU DIGITAL I...

Страница 43: ...TING CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE WITH SAME TYPE AND RATING INPUT 250V PEAK LINE RATING 50 60HZ 50VA MAX AC ONLY LINE FUSE SLOWBLOW 1 2A 90 125V 1 4A 180 250V IEEE...

Страница 44: ...R CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE WITH SAME TYPE AND RATING CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE WITH SAME TYPE AND RATING INPUT 250V PEAK LINE RATIN...

Страница 45: ...displayed CALIBRATION UNLOCKED Comprehensive cal can now be run NOTE You can query the instrument for the state of the comprehensive CAL switch by using the following query CAL PROT SWIT A returned v...

Страница 46: ...accordingly However for optimum accuracy it is recommended that you use the stated calibration values throughout the entire calibration procedure 6 Set the calibrator output voltage to 1 90000V and al...

Страница 47: ...for the 200 A through 20mA ranges using the calibration currents and commands summarized in Table 2 12 Step 5 Amps Calibration Perform the following steps to calibrate the amps function Table 2 11 an...

Страница 48: ...20NCARD 1 9 CAL PROT AN20NCARD 1 9 CAL PROT A200NCARD 19 CAL PROT AN200NCARD 19 CAL PROT A2UCARD 190 CAL PROT AN2UCARD 190 1Actual resistance standard value determined from calibration data supplied w...

Страница 49: ...C 0nC 190nC 0nC 190nC 0 C 1 9 C 0 C 1 9 C CAL PROT CZEROA2N CAL PROT C2NCARD 1 9 CAL PROT CZEROB2N CAL PROT CN2NCARD 1 9 CAL PROT CZEROA20N CAL PROT C20NCARD 19 CAL PROT CZEROB20N CAL PROT CN20NCARD 1...

Страница 50: ...00V Program 400V DMM reading Output 1000V Program 1000V DMM reading Output 1000V Program 1000V DMM reading CAL PROT VSETZ100 CAL PROT VSRCZ100 DMM_reading CAL PROT VSET40 CAL PROT VSRC40 DMM_reading C...

Страница 51: ...hs give an overview of performing single point calibration both from the front panel and over the IEEE 488 bus For details on specific procedures and test equipment connections refer to paragraphs 2 8...

Страница 52: ...alibration commands Keep in mind that all commands for a given range or function must be sent in order to completely calibrate that range or function See paragraph 2 9 for more information on commands...

Страница 53: ...IN MENU SAVESETUP COMMUNICATION CAL 2 Select CAL then press ENTER The following options will be displayed PERFORM CALIBRATION COMPREHENSIVE POINT CALS CAL DATES OFFSET ADJ CAL OPT 3 Select CAL DATES a...

Страница 54: ...and save calibration constants 3 4 Meter commands Details those commands used to calibrate the Model 6517A meter functions volts amps and coulombs 3 5 Voltage source calibration commands Outlines thos...

Страница 55: ...CAL switch Required before performing ANY cal steps 2V range zero step 2V step 2V step 20V range zero step 20V step 20V step 200V range zero step 200V step 200V step 20pA range zero step 20pA step 20p...

Страница 56: ...standard 20nC range zero check part A 20nC step 20nC step using cal standard 20nC range zero check part B 20nC step 20nC step using cal standard 200nC range zero check part A 200nC step 200nC step usi...

Страница 57: ...uest calibration date Calibration due date Request calibration due date Request CAL switch state 0 unlocked 1 locked Acquire the calibration temperature CALibration UNPRotected VOFFset IOFFset EERR VE...

Страница 58: ...re sending any other comprehen sive calibration command Programming Note The INIT command should be sent only once before performing either complete or single point calibration Do not send INIT before...

Страница 59: ...L switch status 3 3 4 SAVE CALibration PROTected SAVE Purpose To save calibration constants in EEPROM after the calibration procedure Format cal prot save Parameter None Description The SAVE command s...

Страница 60: ...must be delimited by commas Examples CAL PROT DATE 1998 9 21 Send cal date 9 21 98 CAL PROT DATE Request date 3 3 6 NDUE CALibration PROTected NDUE Purpose To send the next calibration due date to th...

Страница 61: ...ent 5156 CALOPT Cal standard present Description The OPT query allows you to determine whether or not the optional Model 5156 Electrometer Calibration Standard is connected to the Model 6517A DIGITAL...

Страница 62: ...on constants are permanently saved When VOFF is sent during normal operation with calibration locked voltage offset compensation is only temporary Example CAL PROT VOFF Perform voltage offset calibrat...

Страница 63: ...le 19V and 19V should be used to calibrate the 20V range Programming Note All three commands for a given range must be sent in order to properly calibrate that range Examples CAL PROT VZERO20 Cal 20V...

Страница 64: ...9 0 95E 9 to 2 05E 9 20nA cal prot azero20n cal prot a20n Cal_current cal prot an20n Cal_current None 9 5E 9 to 20 5E 9 9 5E 9 to 20 5E 9 200nA cal prot azero200n cal prot a200n Cal_current cal prot a...

Страница 65: ...A20P 19E 12 Cal 20pA positive 95 of full range CAL PROT AN20P 19E 12 Cal 20pA negative 95 of full range CAL PROT A20PCARD 1 9 Cal 20pA range with cal standard CAL PROT AN20PCARD 1 9 Cal 20pA range wi...

Страница 66: ...ot c2n Cal_charge cal prot czerob2n cal prot cn2n Cal_charge None 0 95E 9 to 2 05E 9 None 0 95E 9 to 2 05E 9 20nC cal prot czeroa20n cal prot c20n Cal_charge cal prot czerob20n cal prot cn20n Cal_char...

Страница 67: ...ale command B command before negative full scale command Examples CAL PROT CZEROA200N Cal 200nA range zero A CAL PROT C200N 190E 9 Cal 200nA positive 95 of full range CAL PROT CZEROB200N Cal 200nA ran...

Страница 68: ...ven range 100V or 1000V should be sent to properly calibrate that range 2 The appropriate VSET must be sent before the corresponding VSRC command Examples cal prot vset100 Set output to 100V cal prot...

Страница 69: ...ively A suitable refer ence junction compensated type K thermocouple calibrator is required for calibration Example CAL PROT TZERO Cal 0mV temperature point 3 7 Humidity calibration commands Purpose T...

Страница 70: ...nction cal errors cal prot serr Request voltage source cal errors cal prot ferr Request factory cal errors Parameter None Description The calibration error queries allow you to access the various cali...

Страница 71: ...request the status byte by using the STB query or serial polling 2 When MAV is set a message is available in the output queue and you can read the output queue and test for an ASCII 1 3 After reading...

Страница 72: ...Operating the Model 6517A on an incor rect line voltage may result in instru ment damage If the line voltage setting is changed the line fuse will also require replacement See paragraph 4 3 4 3 Line...

Страница 73: ...HAZARD REPLACE FUSE WITH SAME TYPE AND RATING CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE WITH SAME TYPE AND RATING INPUT 250V PEAK LINE RATING 50 60HZ 50VA MAX AC ONLY LINE FUS...

Страница 74: ...es for the analog board digital board dis play board and power supply 5 6 Circuit board checks Summarizes basic tests for the various circuit boards to aid in troubleshooting 5 2 Repair considerations...

Страница 75: ...display is working prop erly Perform the following steps to run the display test 1 Display the MAIN MENU by pressing the MENU key 2 Select TEST and press ENTER to display the SELF TEST MENU 3 Select F...

Страница 76: ...STB TRG O P T O I S O Hardware Trigger Trigger Select Logic ADC Data In CLK DATA STB Control Data Out Trigger Delay Software Trigger External Trigger Meter Complete Trigger Bus 4 8 Digital I O 68302...

Страница 77: ...gment to act as a cursor Figure 5 2 Display board block diagram Vacuum Fluorescent Display DS901 Dot Drivers U901 U905 Grid Drivers U903 U904 Controller U902 Key Matrix S901 S931 Reset Tx Rx 4MHz Cloc...

Страница 78: ...02 CR402 C402 C404 C460 C461 CR201 C201 C203 C216 U207 CR401 C401 C403 CR202 C209 C211 C217 C218 U205 U206 CR301 C301 C302 CR304 CR305 C311 C313 C315 C317 5V K K Common 12V K 12V K K Common 5V B B GND...

Страница 79: ...backed up RAM U640 These two ICs store such information as instrument setup and calibration constants Note that data transmission to and from these devices is done in serial fashion Also U640 generate...

Страница 80: ...GPIB U621 U623 IEEE 488 Interface A D Control Data A D Interface U614 Voltage Source Control Reset U639 Serial Interface U641 RS 232 Interface 16MHz Y602 To Display Board Controller Trigger Digital I...

Страница 81: ...2 U405 Output Stage Thermocouple Output Stage Q402 Q413 Prescaler U215 Serial Parallel Converter U303 U306 DAC U308 Zero Check K416 K417 Range Function Switching K401 K402 K405 K406 K411 K412 Thermoco...

Страница 82: ...gnal U209 is the 2V analog output buffer amplifier and R214 and R215 set the absolute gain of U209 to 0 2 Multiplexer Elements of U211 and U212 form the signal multiplexer that switches among the vari...

Страница 83: ...ut stage on the 1000V range Voltage source ranging is provided by selecting feedback resistor values with elements of U312 Approximate voltage gain on the 100V range is 20 5 while the 1000V range gain...

Страница 84: ...S C460 5VS U207 pin 3 220VS C401 220VS C403 15VS U206 pin 3 15VS U205 pin 3 Check continuity 115V 230V as required Plugged into live receptacle power on 5V 5 12V 5 12V 5 110V to 130V 110V to 130V 1100...

Страница 85: ...igital common 5V Low on power up then goes high Check for stuck bits Check for stuck bits 16MHz clock 3V 32 768kHz clock Pulse train during RS 232 I O Pulse train during RS 232 I O Pulse train during...

Страница 86: ...unction 20V range zero check off Apply 20 0000V DC 20V 10V 2V Volts function 200V range zero check off Apply 200 0000V DC 200V 10V 2V Amps function 20pA range zero check off Apply 20 0000pA DC 20V 10V...

Страница 87: ...2V Coulombs function 20nC range zero check off Apply 20nC charge 20V 10V 2V Set voltage source to 100V operate on 4 88V 100V Set voltage source to 100V operate on 4 81V 1000V 1200V 120V 1200V 120V Re...

Страница 88: ...d A D converter board and the analog board 6 6 Front panel disassembly Explains how to remove the display board 6 7 Main CPU firmware replacement Provides the pro cedure to change firmware 6 8 Instrum...

Страница 89: ...is usually adequately protected and normal handling can resume 6 4 Case cover removal If it is necessary to troubleshoot the instrument or to replace a component use the following procedure to remove...

Страница 90: ...and then carefully pull the board out of the chassis 6 5 2 A D converter board removal The A D converter board is located under the A D Board shield on the analog board see drawing 6517A 050 Perform t...

Страница 91: ...and or the pushbutton switch pad Drawing 6517A 054 shows how the front panel separates from the chassis and drawing 6517A 040 shows an exploded view of the front panel assembly NOTE Before performing...

Страница 92: ...connections are properly made To ensure proper operation shields must be replaced and fastened securely WARNING To ensure continued protection against electric shock verify that power line ground gre...

Страница 93: ...number Model 6517A Instrument serial number Part description Component designation if applicable Keithley part number To facilitate repairs complete circuit boards are available Contact the Repair De...

Страница 94: ...Replaceable Parts 7 2...

Страница 95: ...PNP MMBT3906L SOT 23 TRANS NPN MMBT3904 SOT 23 TRANS N CHAN MOSPOW FET 2N7000 TO 92 TRANS SELECTED TG 128 T0 92 TRANS N CHANNEL JFET SELECTED J210 TRANS N CHANNEL JFET 5432 TO 92 IC 5V REGULATOR 78L0...

Страница 96: ...RES 10 5 125MW METAL FILM 1206 RES 150K 5 125MW METAL FILM 1206 RES 100 1 125mW METAL FILM 1206 IC 8 STAGE SHIFT STORE MC14094BD SOIC IC OP AMP NE5534D SOIC IC VOLT COMPARATOR LM311M SOIC IC VOLT COMP...

Страница 97: ...TCHING 250MA BAV103 SOD 80 DIODE SWITCHING MMBB914 SOT 23 VACUUM FLUORESCENT DISPLAY CABLE ASSEMBLY TRANS NPN GEN PURPOSE BC868 RES NET 15K 2 1 875W SONIC RES 13K 5 125MW METAL FILM 1206 RES 4 7K 5 25...

Страница 98: ...0UF 20 25V TANTALUM D7243 CAP 100UF 20 200V ALUM ELECT CAP 2 2UF 20 200V ALUM ELECT CAP 10UF 20 100 25V ALUM ELEC CAP 100UF 20 450V ALUM ELECTR CAP 01 20 2000V CERAMIC CAP 10PF 5 50V MONO CERAMIC 0805...

Страница 99: ...06 TO 92 IC 5V REGULATOR 78L05AC T0 92 TRANS C CHAN MOSFET 2SK1412 TO 220ML TRANS N CHAN MOSPOW FET 2N7000 TO 92 IC 5V REGULATOR 7905AC TO 92 TRANS N CHAN DMOSFRET VN0550N3 TO 92 TRANS P CHAN DMOSFET...

Страница 100: ...0MW THICK FILM 0805 THICK FILM RES 470K 5 250MW METAL FILM 1210 RES 10K 1 100MW THICK FILM 0805 RES 2K 1 100MW THICK FILM 0805 RES 4T 10 1W 1500VDC THICK FILM RES 249K 1 100MW THICK FILM 0805 RES 10 1...

Страница 101: ...C BIFET OP AMP AD548KN IC 16 BIT VOLTAGE OUTPUT DAC AD7846 IC 5V REFERENCE AD586L IC MOSFET DRIVER TLP590A IC ADJ CURRENT SOURCE LM234Z 6 TO 92 IC UNDERVOLT SENSOR MC34064 IC DUAL JFET OP AMP LT1013 I...

Страница 102: ...MOSPOW FET 2N7000 TO 92 RES 2K 1 125mW METAL FILM 1206 RES 10 5 125MW METAL FILM 1206 RES 680K 5 125mW METAL FILM 1206 RES NET 4 7K 2 1 875W SOMIC RES 5 1K 5 125MW METAL FILM 1206 RES 4 7K 5 125MW MET...

Страница 103: ...5V VOLTAGE REGULATOR LM2940CT IC 16 BIT MICRO MC68302FC IC SERIAL E EPROM X24164 8 PIN DIP IC 125KX8 STAT CMOS RAM HM628128LFP 10 IC MICROMANAGER DS12365 10 SOLIC IC 64X8 CMOS SRAM MK41756N00 IC 5V RS...

Страница 104: ...ING EAR LEFT MOUNTING EAR RIGHT OVERLAY FRONT PANEL PAD THERMAL PC BOARD STOP PLASTIC PLUG COVER PLATE TO R PANEL POWER ROD PRINTED FRONT PANEL RFI CLIP CHASSIS RFI CLIP CHASSIS SCREWLOCK FEMALE RT AN...

Страница 105: ...RED BANANA JACK PUSH IN BLACK CONNECTOR 4 PIN MALE CONN MOLEX HEADER CONNECTOR CONNECTOR HOUSING CONN BERG HOUSING PL 94 LF 6 1 CS 630 BP 11 7 BP 11 0 BP 11 6 BP 11 5 BJ 13 2 BJ 13 0 CS 458 CS 716 3...

Страница 106: ...the CAL PROT DATA query response messages B 2 Error summary Table B 1 lists Model 6517A calibration error queries and Table B 2 summarizes Model 6517A calibration errors The errors listed in Table B 1...

Страница 107: ...c 20uA ngain out of spec 200uA offset out of spec 200uA pgain out of spec 200uA ngain out of spec 2mA offset out of spec 2mA pgain out of spec 2mA ngain out of spec 20mA offset out of spec 20mA pgain...

Страница 108: ...slope error 100V range negative slope error 1000V range offset error 1000V range positive slope error 1000V range negative slope error Factory Calibration Errors 421 422 423 Voltage Offset out of spec...

Страница 109: ...ERR TERR HERR SERR FERR Request cal execution error status Request voltage function cal errors Request current function cal errors Request charge function cal errors Request temperature function cal e...

Страница 110: ...ange negative slope Coulombs function 20nC range zero check A Coulombs function 20nC range zero check B 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77...

Страница 111: ...nt function cal errors X X 20pA offset out of spec 20pA pgain out of paper 20pA ngain out of spec 200pA offset out of spec 200pA pgain out of spec 200pA ngain out of spec 2nA offset out of spec 2nA pg...

Страница 112: ...pec X Figure B 6 HERR query response humidity function cal errors X X X X X X X X X X X X X X X X X X X X X X X X X X X X Humidity 0 50 offset out of spec Humidity 0 50 gain out of spec Humidity 50 10...

Страница 113: ...NCARD Nrf Calibration subsystem Commands protected by CAL switch Required before performing ANY cal steps 2V range zero step 2V step 2V step 20V range zero step 20V step 20V step 200V range zero step...

Страница 114: ...step using cal standard 2 A range zero step 2 A step 2 A step using cal standard 2 A step 2 A step using cal standard 20 A range zero step 20 A step 20 A step 200 A range zero step 200 A step 200 A s...

Страница 115: ...ty input 0 5 V step Humidity input 1 0 V step Re locks the calibration paths A new CAL switch press and CAL PROT INIT command are required before any cal com mands can be performed again Saves the cal...

Страница 116: ...tal board removal 6 3 Disassembly 6 1 Display board 5 4 Display board checks 5 10 Display microcontroller 5 4 DISPLAY PATTERNS Test 5 2 E Environmental conditions 1 1 2 2 Error query commands 3 17 Err...

Страница 117: ...ns 5 1 Replaceable parts 7 1 Required standard resistors 1 11 Restoring default conditions 1 4 Routine maintenance 4 1 RS 232 interface 5 6 S Selecting auto voltage source mode 1 11 Selecting internal...

Страница 118: ...nstable Will not read applied input Overload Calibration only Certi cate of calibration required Data required attach any additional sheets as necessary Show a block diagram of your measurement system...

Страница 119: ...Keithley Instruments Inc 28775 Aurora Road Cleveland Ohio 44139 Printed in the U S A...

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