Home

Model 2010 Multimeter

1.
2.
3.
4.
5. a B 5 D E E E 5 55 2 WAS SC 55 12 5 55 0 2010 803A08 WAS 2010 803A06 E Der oper E1 19809 was 66 55 10 SC 55 4 WAS SC Sz 7 2g o7 P1 18977 2010 804008 WAS 2010 804006 52 9 9 96 LTR ECO ND REUISION ENG DATE A 55 14 SC 55 8 NAS SC 55 18 m D2 19162 ADDED C409 DO NOT INSTALI S
6. CU N NE d gt ES ID wo o o c Gio u Qu Cw n ojo o ex OIM CP E C m o gt 5 I E EO Qo m E e 9 uz IN N N 2 NIN lt gt 2 nun O EO z Lu alo e SO m Uu gt gt aul x o eri n 5 jo n B m E a B 2 15 i r z 5 O B H 5 71 dE 14 H ei eri eri bl Uu GO L L
7. PESE NEN 4 G MARK APPROPRIATE arr 612 LABEL X T 54 I VATI Acc F y BETWEEN DISPLAY amp BD BOARD ASSEMBLY X Z N Z N X ON SO N lt d 7 VU VL VN M402 Gen RS M403 S Ww o N a 9 E N C ei eT NU E E Pe Je N 0 o 9 M 1 8 J E 5 d 5 305 ds 2 A e E X o IIT 46 b R413 Ou A r3 a Lp eR ege See Ger o J b E s Y o ERE Ca 4 C408 5 o 2 0 111 EGO ca C411 o o 5 e be 6 o eNO 00000 de cro y Q o 99 o e 9 00000000000 a i 9 EO RA2 9 E 7 f o 6 d 0000000 nga GI o 8 5 EE ZZ ETN 4 1 7 L R42 o o o E ora O b 410 e o o o o o om
8. i OUT PUSH ROD ERA WHT SHRINK p EO 52550552020 2 CABLE TIE I Oe GRA WHT SHRINK REF DIG BD BLK WHT SHRINK 2 l DETAIL D PROPERLY INSTALLED TOP VIEW PUSH ROD Fal SWITCH USE T 7801 TO INSTALL PUSH ROD PUSH TOP OF SWITCH SHAFT DOWN INTO PUSHROD UNTIL IT BOTTOMS PRESS UPWARD ON PUSHROD WHILE 2010 050 CHASSIS TRANSF ASS Y 2000 306 SHIELD 2001 320 PUSH ROD SEE DETAIL D LTR ECA NO REVISION ENG DATE D9 29928 Del Rev s amp Rev Symbols S 1 21 04 4 40x5 16PPHSEM 2 REQ D 5 6 32x IPPHSEM 10 IN LBS IN LBS 2010 100 DIGITAL BOARD 4 SEE DETAIL C FOR WIRING REF 2000 802 REF 2010 803 REF 2010 804 ROCESS ALIGN BOARD ON CHASSIS P C WIRES O SLIDE BOARD T AGAIN CHECK R IEEE TZ C 125 5 2 REQ D SLOTS WITH LANCES BEING CAREFUL NOT TO PINCH R RIBBON CABLE OWARDS REAR PANEL G WIRES DWARE KIT 7 IN LBS CREWLOCK FEMALE 5 IN LBS WIRE BJ S PER DETAIL A 4 PUSHING SWITCH SHAFT DOWN Ga MODULE 2001 322 FRONT REAR SWITCH ROD J RECOMMENDED PROCESS eia DEPRESS SWITCH ON DIGITAL BOAR
9. RMS IkHz 5ppm 1V RMS 2 t5ppm Keithley Model 2001 or 2002 Digital Multimeter Fluke 5700A Calibrator 1V 3Hz AC 0 13 1V RMS 10Hz 260ppm Keithley Model 8610 Low thermal short Keithley Model 8610 Low thermal short Calibration 2 21 Test equipment connections Connections for firmware revision A14 and higher Connections for steps requiring the calibrator are shown in Figure 2 5 and Figure 2 6 shows function generator connections Refer to the test procedures for specific steps Figure 2 5 Calibrator connections for manufacturing calibration firmware revision A14 and higher Input HI AC Voltage Calibrator Model 2010 ZI OGU 0 CO TE Figure 2 6 Function generator connections for manufacturing calibration firmware revision A14 and higher BNC to Dual Banana Plug Adapter Model 2010 Function Generator Function Output 2 22 Calibration Connections for firmware revision A13 and lower Figure 2 7 shows synthesizer connections for revision A13 and lower Figure 2 7 Synthesizer connections for manufacturing calibration firmware revision A13 and lower BNC to Dual Banana Plug Adapter Model 3930A or 3
10. Change parameter if using different current 2 18 Calibration AC voltage calibration Follow these steps for AC voltage calibration 1 Connect the calibrator to the Model 2010 INPUT HI and LO terminals as shown in Figure 2 4 NOTE Disconnect any sense leads from the calibrator to the Model 2010 when calibrating or verifying AC volts Even though some calibrators provide an external sense enable disable function excessive voltage 15V peak may be applied and will corrupt the calibration or verify 2 Perform the calibration steps summarized in Table 2 11 For each step Setthe calibrator to the indicated voltage and frequency and make sure the unit is in operate You must use the stated voltage and frequency Send the indicated programming command Wait until the Model 2010 completes each step before continuing Table 2 11 AC voltage calibration programming steps Calibration step Calibrator voltage frequency Calibration command 10mV AC at 1kHz 10 00000mV 1kHz CAL PROT AC STEP1 100mV AC at 1kHz 100 0000mV 1kHz CAL PROT AC STEP2 100mV at 50kHz_ 100 0000mV 50kHz CAL PROT AC STEP3 1V AC at 1kHz 1 000000V 1kHz CAL PROT AC STEP4 1V AC at 50kHz 1 000000V 50kHz CAL PROT AC STEPS 10V AC at IKHz 10 00000V 1kHz CAL PROT AC STEPG 10V AC at 50kHz 10 00000V 50kHz CAL PROT AC STEP7 100V AC at 1kHz 100 0000V 1kHz CAL PROT AC STEP8 100V AC at 50kHz 100 0000V 50kHz CAL PROT AC
11. DETAIL B LTR ECA NO REVISION ENG DATE 50 0104 _ _ 28015 Add 428 329F Handle ST 3 26 03 MC 285 SERIAL NUMBER BEFORE ASSEMBLY PERFORM a BUILT IN TEST SEE MS 1864 SECTIONS 4 4 1 THRU 4 4 6 KEITHLEY MADE OPTION SLOT TEST Aone INSTALL 2001 170 SCANNER TEST CARD e 2 POWER ON o Jo O STEP 2 3 DEPRESS THE SCAN BUTTON MC 285 4 VERIFY THAT THE SCAN ANNUNCIATOR IS ON SEE DETAIL B 5 LISTEN FOR THE RELAYS TO CLICK THE CH ANNUNCIATORS WILL SCROLL FROM LEFT TO RIGHT WITH CH 10 REMAINING ON DISPLAY BOARD TEST SEE 690 STARTING AT SEC 3 4 STEP I F4 232 1 CAPTIVE PANEL SCREW 2 2 REQ D 5 IN LBS SEE DETAIL C FOR INSTALLING 2000 307C COVER _ COVER PLATE BEFORE INSTALLING COVER 428 303D REAR BEZEL VO c uid REMOVE PAPER FROM TOP OF NOTE ORIENTATION BEEPER ON BOARD OF WORDING 428 328E RIGHT MOUNTING EAR ORIENTATION ARROW d 22 FOOT 2 REQ D bs 230 28 8 SCREW E d c 70 REQ D 7 IN LBS 428 329 lt 3 4 40x1 4PFHUC E y ou REQ D 7 IN LBS Sm DO NOT TIGHTEN UNTIL CN REAR BEZEL IS INSTALLED EN 2010 051 FRONT PANEL CHASSIS ASSEMBLY DETAIL A DETAIL 2001 372A SCAN d PART NO QTY DESCRIPTION Go GITA OF UNIT COVER PLATE UD 2010 051 FRONT PANEL CHASSIS ASSEMBLY gt gt 2000 3016 COVER 2010 2010 080 FINAL INSPECTION 428 328E OUNTING FAR RIGHT s See T T 428 338 OUNTING EAR LEFT FA 240 PLASTIC PLUG FA 230 2
12. rr CUERO NOTE FOR FURTHER COMPONENT INFORMATION REFER TO 2010 PRODUCT STRUCTURE MULTI PATTERN 5 2 LAYOUT SCALE 1 2 BOARDS PER PANEL 00 UNLESS OTHERW DIMENSION TOLERANCES SPECIFIED IN INCHES DECIMALS ANGULAR MA E U ANG 1 30 95 SCALE 3 2 TITLE Ress bd E Y KEITHLEY INSTRUMENTS INC CLEVELAND OHIO 44139 COMPONENT LAYOUT DISPLAY BOARD XXX 005 EXCLUDES FINISHED HOLE SIZES O NOT S WING AND BOARD LAYER CONSTRUCTION CONFIDENTIAL PROPRIETA 2010 110 A A ES Z uy OSIF 227A Specifications 2010 Low Noise Multimeter DC CHARACTERISTICS CONDITIONS MED 1 PLC or SLOW 5 PLC ACCURACY ppm of reading ppm of range Seda 4596 Zal CE ppm parts per million e g 10 0 001 TEMPERATURE OR BURDEN OR CLAMP 24 Hour 8 90 Day 1Year 2Years COEFFICIENT FUNCTION RANGE RESOLUTION VOLTAGE VOLTAGE 23 C 1 23 C 5 23 C 5 23 C 5 0 18 amp 28 50 C Voltage 100 00000 mV 17 10 nV gt 10 GQ 10 9 25 9 37 9 50 10 2 6 1 0000000 100 nV gt 10 GQ 7 2 18 2 25 2 32 2 2 1 10 000000 V 1 pV gt 10 GQ 7 4 18 4 24 4 32 4 2 1 100 00000 V 10 pV 10 1 10 4 254 5 35 5 52 5 5 1 1000 0000 V 100 pV 10 1 174 6 31 6 41 6 55 6 5 1 Resistance 10 000000 05 1 10 mA 15 9 40 9 60 9 100 10 8 6 100 00000 025 10 1
13. ema 0 5 A goo ZE gt MI R115 b R373 mo ari 5 N ba O R428 U192 d E Ver h om 2 aro OR Com fr 5 3 5 lO LO R429 U 3 A L Os Fa s L me Ho 1 No 9 50 GE O Hd E A Huries 2509 ea n f C102 O B 5 R44B 306 0160 O dira 0191 O mu cM Q193 d Ie Q NOTE 9155 d m dE b 5m ZE E de USE PASTE STENCIL ARTWORK O O O 5566 O 2 of 5 Ea SU ge GE D QR ER 1000 2090 2010 108 02H AND GLUE STENCII T Se 213 186 5 LH n ARTWORK 2010 108 01H ru RED CWHT RED R405 R407 YEL CWHT YEL IK 000 amp E101 E Eh 2 eia tl oooo 102 O O O O O O OOOO IE AA SI J A JO O O OO OO OO Oo C DT 8 RY CWIATZGRY gt Y V Y V Y i y SP 5 B TX 12 17 4 x5716 CN 68 SHIELD DO NOT POPULATE THE FOLLOWING PARTS D 5 d B 9 B us ER SHRINK TUBING 4 40 578 PPHSEM C108 C309 R265 R266 R268 AND R269 XN ON OK K 9 REQ D BODE Ga MEY ae ng Oe ay J s O O O m g 2000 190 E E DO NOT SCALE THIS DRAWING NC EOS Or Cette ERANCE es DATE 6221795 SCALE gra TIT COMPONENT AYOUT ch eto uU FOR MORE COMPONENT INFORMATION REFER ARAS Y O 010 ANG 1 DRN MAH ERG CaM 2010 PANEL N N N N NA ES TO 2010 PRODUCT STRUCTURE pb ed OE Abad AD m KERETRITEYISEEUEERND OHIO
14. no C a ODG ara N SISA Dec ecd III R297 m Fa 5 B o O No Baai GOITI T 5 Y 0000 ee o 2 lt gt de CR103 m H 18 805409 O 2 SE AD Dos 0000 eia HITA 1 B E us O gr Riza o VH 3r amel bake lt BIDE R153 T ba C278 5 gt v103 EE 0105 HL orez ELT N RR 6 0 ug R110 eT ws 615 Gide R279 0276 9 a O 3 m 0 ca O O R2900 S E E EN d 5 ESE CR141 2 2 ra E ES zs L R145 u 01142126 E z pe m 15101 Nor 1 u ES w MN 3 101 r 9 en C296 BUT AIBA O Poo _ 2 Tr BBE SEa 0109 OY CRISS 0135 D n 10H n 10 R277 o o 5 O 5 2 eS a E ga TL O III Gere Iu S0 142 22 QTY 2 U156 U152 a E J ncm 2010 L III rO C 2 80490975 1156 lt 22 om EVEN BAR CODE Ge R317 0117 i mas Sad O Du U164 0159 Ga 5 SEK d NE lo E 2s b Su 2 5 9 ee OE gt a N M N CR124 s D eaz dde E BE Ga Ge 00000005 Ti E mue O D B m 5145 ee O O mE TP102 U de X 0 d R295 HP O O O R104 S deg 1000000 Gera ZE 2 R414 LB E ON S O R294 d ezan u ON af VR122 2 39 OOOOO Me A 0171 beze O 5 m
15. N 2 5 215 S 8 E be EEEa ooo 7 B E OO OO z ESO OOOOOOOOOOO OOOO OBOO 5 e e q Ul U id QJ M IJ NN PRIMARY EI HERO DET SIDE COV M uu bed Ki LTR REVISION ARTWORK WAS REV G CHG D C414 FROM C 451 47P ADDED C 415 C418 RA22 TO 451 1000 R426 C AL 42 GORA DRAWING NOT ATL G E Dz SECONDARY BOTTO SIDE CO MPON SIDE 0 1
16. 6 9 0 9 6 0000000 k RA08 20 E N d 9 t MON er er er 7 7 2200000007 10 E i L i O00 dua eu 2 Za EIS 2 6 CAL_ENABLE U403 DS401 M U401 C40 V R412 i o s 5422 d 526 5414 5417 5404 5410 5407 540 5401 5419 3j 5 o 414 R418 R401 R415 R4 R409 R404 R403 1 ay 9 o o o o o R406 R417 lo lo o o TA gt gt 5 gt O S408 5424 402 o Z 54110 54050 54290 54250 5427 5402 54160 5418 o o o us o O o o O 5 gt 5 M400 o 2 o M401 y AIO d o Pun SO o ES A O B o 5 gt ge J o o 5406 542 S420 423 5403 5413 5412 5415 PE o DT DE DPE De 2010 112 x DO NOT POPULATE SMT CAL ENABLE Tai Burt Hi m 0000 T far Hf n D D B 9 9 9 2 5 o o b Erde lll yet face eit ue ox Sie 9 oe 5 M Ee SO Ow sek xax cU d gu FOOT ren 9 i 5 5 5 I uc E do Se o E GIE ta em D em D E on s Mi ow El Ep EO 2
17. 8 9 0177 1 ON ON OFF XI OFF Table 4 14 DCA signal multiplexing and gain Signal 0176 10176 10176 10176 Range 0163 pin1 pin 8 pin 9 0177 pin 16 lO0mA 56 OFF OFF OFF X100 ON 100mA 56 OFF OFF OFF X100 ON 1A S6 OFF OFF OFF X100 ON 3A S6 OFF OFF ON X10 OFF Troubleshooting Table 4 15 Q2 signal multiplexing and gain Signal U176 U176 U176 Gain U176 Range U163 pin1 pin 8 pin 9 0177 pin 16 100 54 OFF OFF X100 ON 1000 54 OFF X100 ON 1kQ S4 OFF OFF ON X10 OFF 10kQ S4 OFF OFF ON X10 OFF 100kO 54 OFF OFF ON X10 OFF IMQ S4 OFF ON OFF XI OFF 10 0 54 OFF ON OFF XI OFF 100MQ 54 OFF ON OFF XI OFF Table 4 16 24 signal multiplexing and gain Signal U176 U176 U176 Gain U176 Range 0163 pin 1 pin 8 pin 9 0177 pin 16 10Q 54 then 57 OFF OFF OFF X100 ON 100Q 54 then 57 OFF OFF OFF X100 ON IKU 54 then 57 OFF OFF ON X10 OFF 10kQ 54 then 57 OFF OFF ON X10 OFF 100kQ 54 57 OFF OFF ON X10 OFF IMQ S4 then S7 OFF ON OFF X1 OFF 10 54 then S7 OFF ON OFF X1 OFF 100MQ S4 then S7 OFF ON OFF XI OFF 4 17 Figure 4 3 provides a block diagram of the analog circuitry Table 4 17 is provided to show where the various switching devices are located in the block diagram Table 4 17 Circuit section locations for switching devices Switching devices A
18. 1 pin1 pin 16 100mV ON ON RESET RESET ON ON OFF OFF OFF ION ON OFF IN ON ON RESET RESET ON ON OFF OFF ON OFF OFF OFF 10V ON ON RESET SET OFF OFF ON OFF OFF ON ON OFF 100V ON ON RESET SET OFF OFF ON OFF ON OFF OFF OFF 750V ON ON RESET SET OFF OFF ON ON OFF OFF ORE K101 and K102 RESET states Pin 8 switched to Pin 9 Pin 3 switched to Pin 2 K101 and K102 SET states Pin 8 switched to Pin 7 Pin 3 switched to Pin 4 4 14 Troubleshooting Table 4 7 Q2 signal switching Range 104 0101 0102 0114 0136 0109 K101 102 Q113 0105 0104 0108 0153 0167 100 RESET ON OFF OFF SET RESET OFF OFF OFF ON OFF 1000 RESET ON OFF OFF OFF SET RESET OFF OFF OFF OFF 1kQ RESET ON OFF OFF SET RESET OFF OFF OFF ON OFF 10kQ RESET ON OFF OFF SET RESET OFF OFF OEE 100kXQ RESET ON ON OFF OFF SET RESET OFF OFF OFF ON OFF IMQ RESET ON OFF OFF OEE SET RESET OFF OFF ON OEE RESET ON ON OFF SET SET OFF OFF OFF OFF OFF 100MQ RESET ON ON OFF SET SET OFF ON OFF OFF OFF OFF K101 set states
19. Query format 1 Response year month day Description The DATE command allows you to store the calibration date in instrument memory for future reference You can read back the date from the instrument over the bus by using the DATE query or the CALIBRATION selection in the front panel CAL menu Note The year month and day parameters must be delimited by commas Examples CAL PROT DATE 1995 12 16 Send cal date 12 16 95 CAL PROT DATE Request cal date Calibration Command Reference B 7 NDUE CALibration PROTected NDUE Purpose To send the next calibration due date to the instrument Format cal prot ndue year month lt day gt Parameters year 1995 to 2094 month 1 to 12 day 1 to 31 Query format cal prot ndue Response lt year gt lt month gt lt day gt Description The NDUE command allows you to store the date when calibration is next due in instrument memory You can read back the next due date from the instrument over the bus by using the NDUE query or the front panel CAL menu Note The next due date parameters must be delimited by commas Examples CAL PROT NDUE 1996 12 16 Send due date 12 16 96 CAL PROT NDUE Request due date B 8 Calibration Command Reference DC calibration commands The DC commands perform calibration of the DCV DCI and ohms functions Table B 2 summarizes these calibration commands along w
20. d 0146 CR122 en eter 3 px C209 6 E zi Q bul 0119 4 IE i E ZZ A gees E gt 21 9190 149 fone AT101 E E E 2 M R195 S x S deke 2 C183 x Zo cias Ee odo UR113 R271 PIS 5 d M R412 R413 ISO Oo 5 _ dz Eiza n O O m O 4 pura Y 0155 1 Els mar dik x U E o FOWNO QUE utis rs H 3 ID eI LO L R194 0126 l ba CO x e bere 5 9116 ue B Q125 me 0177 b Uiss OO 5 me ery OOOO 2 9 vine Le 9 J S6 ei o E D U108 T un 9169 e He WIE nm 1 TN SEO O R269 X ie ma j JZ eR desi OL nm amp o o dde SEES td 2 E 3t n N LB pe eeta OW C198 x oX EO pott o ES ty 5 802002 U150 m NEU Uplz erua di CR144 5 EO chis kees 4 2010 102 REV H 5 1 Ho Bue gt ID Bop 22 5 wRi06k104 SE ars hz el ja 5 M ANa 8 d pere bi 0000000 o ER 2 0107 SR M A 0255 gt ce R230 d n O didi 5 i J gt N Y 000 o CR110 d EE Imo R266 e 0 p s 5 28 SIT o b Oda O O O Ol ete 9122 R332 0187 n i R256 O Q ia 0154 bd 0000 casa Lg urg Ee Q9 27047 d kal C298 a cri43 19105 O 3 5 QO D
21. 5 1V AC at 50kHz calibration step 6 7 8 10V AC at 1kHz calibration step 10V AC at 50kHz calibration step 100V AC at 1KHz calibration step 9 100V AC at 50khz calibration step 10 700V AC at 1kHz calibration step 11 100mA AC at 1kHz calibration step 12 AC at 1kHz calibration step 13 2A AC at 1KHz calibration step Calibration Command Reference B 13 AC STEP lt n gt CALibration PROTected AC STEP lt n gt Purpose Format Parameters Description Example To program individual AC calibration steps cal prot ac step lt n gt 1 10mV AC at 1kHz calibration step 2 100mV at 1kHZ calibration step 3 100mV AC at 50kHz calibration step 4 1V AC at 1kHz calibration step 5 1V AC at 50kHz calibration step 6 10V AC at 1kHz calibration step 7 10V AC at 50kHz calibration step 8 100V AC at 1kHz calibration step 9 100V AC at 50kHz calibration step 10 700 AC at 1kHz calibration step 11 100mA AC at 1kHz calibration step 12 1A AC at 1kHz calibration step 13 2A AC at 1kHz calibration step The AC STEP command programs the 13 individual AC calibration steps n represents the calibration step number The appropriate signal must be connected to the instrument when programming each step as summarized in the parameters listed above CAL PROT AC STEP7 Program AC step 7 B 14 Calibration Command Reference Manufacturing calibration commands The following three cal
22. A R427 ct o EE R201 O m m aO u R419 Se R X em beea C C128 R359 Sm m R328 d 5 EE n o 160 28 0 0159 m ol iz R190 E RD In Hi RIBS R319 SO R315 x E i ta nd Ry 9 87 516 R435 m Ean c 7 ON R438 ce 169 C301R445 R455 alalala Re09 R208 mot R300 guz E a C174 o N m ol e 0155 O b lt o EE pez 3 M E 14 55155 S eeeo Be B amp Bs cvs Ma BET 15005 9 9 O s C219 5 52 2 20180 Guz R45 R456 EXE gt R233 0508 7 EET E R212 mise o gt U EON 8452 b M Q O SSR231 0 rN A C186 5 v uo OU 22224 O Cieg R217 OO lt GOIE D R238 PIOS Lau L102 DN Rese C206 458 O m ou Qn R243 250 m GEO R225 E EE 0512 a x c227 x E gie 201 OO RES ES EH 15 C202 C176 R244 ECEJRSBB 9 SR389 z R246 590 m m C182 R241 Es G m SRe284 m mz C200 RZB a c226 2 m m J C204 S PN e N C205 C210 C185 m a a R451 oes 8291 GOSE 295 6257 BE Ere gt e u e Nes e E R226 2 0197 d E R254 amp Eeleszo 2296 c182 SS A U es ny ee BEL f 5
23. INPUT HI INPUT HI protection is provided by the SSP solid state protection circuit The SSP is primarily made up of Q101 and Q102 An overload condition opens Q101 and Q102 which disconnects the analog input signal from the rest of the analog circuit Note that for the 100VDC and 1000VDC ranges Q101 and Q102 of the SSP are open The DC voltage signal is routed through the DCV Divider Q114 and Q136 to the DCV switching circuit Troubleshooting 4 9 AMPS input The ACA or DCA input signal is applied to the Current Shunt circuit which is made up of K103 Q165 Q164 R205 R450 R386 and R158 U178 controls if either Q164 or Q165 is turned on For the and 1A DCA ranges and all ACA ranges 0 19 R158 is shunted across the input K103 off For the 100mA DCA range K103 is energized 0164 both are turned on with the LOAMP control line set high 1 01 2 R386 R158 is shunted across the input For the 10mA DCA range K103 is energized on Q165 both are turned on with the LOAMP control line set low 10 1 2 R205 R450 R386 R158 is shunted across the input The ACA signal is then sent to the AC Switching amp Gain circuit while the DCA signal is routed directly to the A D MUX amp Gain circuit Signal switching Signal switching for DCV and OHMS is done by the DCV amp Ohms Switching circuit FETs Q113 Q105 Q104 and Q108 connect the DCV or ohms signal to the X1 buffer Q137 U167 and U166 See Analo
24. NOTE Use shielded low thermal connections when testing the 100mV 1V ranges to avoid errors caused by noise or thermal effects Connect the shield to the calibrator s output LO terminal Figure 1 1 5700A Calibrator Output DC Voltage Connections for DC volts verification Model 2010 Input HI Output HI Y EEO LO Note Use shielded low thermal cables for 100mV and 1V ranges 2 Select the DC volts function by pressing the DCV key and set the Model 2010 to the 100mV range Set the calibrator output to 0 00000mV DC and allow the reading to settle 4 Enable the Model 2010 REL mode Leave REL enabled for the remainder of the DC volts verification tests 5 Source positive and negative full scale voltages for each of the ranges listed in Table 1 2 For each voltage setting be sure that the reading is within stated limits D Table 1 2 DCV reading limits Applied DC Reading limits Range voltage 1 year 18 C 28 C 100mV 100 0000mV 99 99540 to 100 00460mV IV 1 000000V 0 9999730 to 1 0000270V 10V 10 00000V 9 999720 to 10 000280V 100V 100 0000V 99 99600 to 100 00400V 1000V 1000 000V 999 9530 1000 0470V Source positive and negative values for each range Performance Verification 1 7 Verifying AC voltage Check AC voltage accuracy by applying accur
25. Resistance calibration programming steps Calibration Calibrator step resistance Calibration command Parameter range 1092 100 CAL PROT DC STEP6 10 9 to 11 1kQ IKU CAL PROT DC STEP7 1E3 900 to 1 1E3 10k 10k CAL PROT DC STEP8 10E3 9E3 to 11E3 100kQ 100kQ CAL PROT DC STEP9 100E3 90E3 to 110E3 IMQ IMQ CAL PROT DC STEP10 1 6 900E3 to 1 1E6 Use exact calibrator resistance value for parameter Calibration 2 17 DC current calibration After the 1MQ resistance point has been calibrated follow these steps for DC current calibration 1 Connect the calibrator to the AMPS and INPUT LO terminals of the Model 2010 as shown in Figure 2 3 2 Perform the calibration steps listed in Table 2 10 For each step Setthe calibrator to the indicated current and make sure the unit is in operate Use the recommended current if possible Sendthe indicated programming command Change the current parameter if you are using a different calibration current Wait until the Model 2010 completes each step before continuing NOTE Ifyou are performing DC only calibration proceed to Programming calibration dates Table 2 10 DC current calibration programming steps Calibration Calibrator step current Calibration command Parameter range 10mA 10 00000mA CAL PROT DC STEP11 10E 3 9 3 to 11E 3 100mA 100 00000mA CAL PROT DC STEP12 100E 3 90E 3 to 110E 3 1A 1 000000A CAL PROT DC STEP13 1 0 9 to 1 1
26. Service Manual 2010 902 01 Rev D October 2003 Equipment An Interworld Highway LLC Company A GREATER MEASURE E c 07 de JE WARRANTY Keithley Instruments Inc warrants this product to be free from defects in material and workmanship for a period of one 1 year from date of shipment Keithley Instruments Inc warrants the following items for 90 days from the date of shipment probes cables software rechargeable batteries diskettes and documentation During the warranty period Keithley Instruments will at its option either repair or replace any product that proves to be defective To exercise this warranty write or call your local Keithley Instruments representative or contact Keithley Instruments headquarters in Cleveland Ohio You will be given prompt assistance and return instructions Send the product transportation prepaid to the indicated service facility Repairs will be made and the product returned transportation prepaid Repaired or replaced products are warranted for the balance of the original warranty period or at least 90 days LIMITATION OF WARRANTY This warranty does not apply to defects resulting from product modification without Keithley Instruments express written consent or misuse of any product or part This warranty also does not apply to fuses software non rechargeable batteries damage from battery leakage or problems arising from normal wear or failu
27. lt S R147 Des 145 T us E a o o 5 EE Sua Gte R122 o oa O O D 515 SS SS C138 R164 C129 me Ge C290 gA O a d ciez nm m E C279 n EXE oo R200 Eg amp 8 SS pura O O Q G L TH JOJO WW D O d oo O C158 0133 a A Z nlo lolo OO C116 Ee R152 ania 16 e O Eg 5580 Z LA R421 Bg R442 O u llona O Wy SU R457 R191 GO C3 dde E1E3E141 3 9n Olo 446 Seles 2 5 Y R423 EEE E R349 22 R447 m ORS5 EE pias OO R392 28 mbes 8B bean O O p293 OO 6147 m m Pagar zera 28 2221 271 Ri12 OO O O R290 R169 Exexpeso R193 R340 m mlees m m E Ei R161 R402 C149 OO 259 5 8572 OO 2250 arko zal R358 D C282 ES R187 R351 BB m ol baza C262 152 C261 c R384 oo R184 c260 e O e R339 R385 R178 o 29 O R338 zi R371 R341 E C151 n mn O m R345 C256 S OO R325 R400 O x R330 O B S R42e5 E3 C285 C263 om gt y m 8331 C287 C270 I gu dei R204 SS C178 gt T wf u faf 8 Rete DOO
28. 10V 10 00000V 9 9910 to 10 0090V 9 98300 to 10 0170V 100V 100 0000V 99 910 to 100 090V 99 830 to 100 170V 750V 700 000V 699 36 to 700 64V 698 79 to 701 21V 1 the 5725A amplifier is not available change the 700V at 50kHz step to 220V at 5OKHz Reading limits for 220V at 50kHz 219 361 to 220 639V 1 8 Performance Verification Verifying DC current Check DC current accuracy by applying accurate DC currents from the DC current calibrator to the AMPS input of the Model 2010 and verifying that the displayed readings fall within specified limits Follow these steps to verify DC current accuracy 1 2 3 Figure 1 3 Connections for DC current verification Connect the Model 2010 AMPS and INPUT LO jacks to the calibrator as shown in Figure 1 3 Select the DC current measurement function by pressing the DCI key Set the Model 2010 for the 10mA range Source positive and negative full scale currents for each of the ranges listed in Table 1 4 and verify that the readings for each range are within stated limits 5700A Calibrator Output DC Current Model 2010 Output HI J COOOOOOO 23231 Amps Geo O Output LO Note Be sure calibrator is set for normal current output Table 1 4 DCI limits DCI Applied DC Reading limits range
29. 20 1 100MW THICK FILM R 418 20 R341 344 RES 3 01K 1 1000MW THICK FILM R 418 3 01K R345 RES 511 1 1OOMW THICK FILM R 418 511 R350 RES 75K 1 100MW THICK FILM R 418 75K R353 RES 332 1 1000MW THICK FILM R 418 332 R359 RES 3 01K 1 125MW METAL FILM R 391 3 01K R360 RES 301 1 1000MW THICK FILM R 418 301 R366 373 RES 5K 1 WIREWOUND R 249 5K R368 RES 169 1 1 2W 350V METAL FILM R 94 169 R371 392 421 RES 15k 1 1OOMW THICK FILM R 418 15K R384 RES 24 9K 1 1000MW THICK FILM R 418 24 9K R386 RES 91 1 WIREWOUND R 95 91 R405 407 RES 560K 5 250MW METAL FILM R 376 560K R406 RES 18 7 1 125mW METAL FILM R 391 18 7 R412 RES 33 5 250mW METAL FILM R 376 33 R413 RES 20K 1 100MW THICK FILM R 418 20K R414 RES 2 2M 10 1 2W 1 5K V METAL OXIDE R 367 2 2M R419 RES 137 1 125MW METAL FILM R 391 121 R423 RES 4 02K 1 100MW THICK FILM R 418 4 02K R425 446 RES 49 9K 1 1OOMW THICK FILM R 418 49 9K R428 RES 1 87K 1 1 8W METAL FILM R 377 1 87K R429 RES 200 1 1 10W METAL FILM R 263 200 R430 RES 100K 1 1OOMW THICK FILM R 418 100K R431 RES 18K 1 1 10W METAL FILM R 263 18K R444 RES 24K 5 1W 200V THICK FILM R 437 24K R450 RES 100 1 1 10W METAL FILM R 263 100 5101 SWITCH PUSHBUTTON 8 POLE SW 468 TP102 106 CONN TEST POINT CS 553 U101 IC VOLTAGE REG LM317M IC 846 U102 118 IC J FET OP AMP TLE2081CD 1 967 U103 105 111 IC CMOS ANALOG SWITCH DG211D
30. All 105 All 96 All 102 lt 10 55 All 70 All 2 TRIGGER DELAY AUTO 2WIRE 4WIRE T C RTD DCV ACV 23 OHMS OHMS TEMPERATURE TEMPERATURE 0 1V 100 L8 1000 82 1000 42 All 70 All 2 1V 100 1kQ 85 1 42 10 100 10 42 10 25 1007 70 100k0 28 100kQ 21 1000 V 70 1MQ 8 1MQ 7 10MQ 5 10 MQ 5 100MQ 3 100 0 3 Internal Scanner Speed Notes 1 Speeds are for 60Hz or 50Hz operation using factory default operating conditions RST Auto Zero off Auto Range off Display off sample count 1024 2 NPLC 0 01 3 DETector BANDwidth 300 Triggering and Memory READING HOLD SENSITIVITY 0 01 0 1 1 or 10 of reading TRIGGER DELAY 0 to 99 hrs 1ms step size EXTERNAL TRIGGER DELAY 1ms EXTERNAL TRIGGER JITTER 500ys MEMORY 1024 readings Math Functions Rel Min Max Average StdDev of stored reading dB dBm Limit Test and mX b with user defined units displayed dBm REFERENCE RESISTANCES 1 to 9999Q in 1Q increments REMOTE INTERFACE Keithley 199 196 Emulation GPIB IEEE 488 2 and RS 232C SCPI Standard Commands for Programmable Instruments GENERAL POWER SUPPLY 100V 120V 220V 240V LINE FREQUENCY 50Hz to 60Hz and 440Hz automatically sensed at power up POWER CONSUMPTION 22VA OPERATING ENVIRONMENT Specified for 0 C to 50 C Specified to 80 R H at 35 C Altitude up to 2000 meters STORAGE ENVIRONMENT 40 to 70 C WARRANTY 3
31. Also make sure that the correct input jacks are selected with the INPUTS switch Make sure the calibrator is in operate before you complete each calibration step Always let the source signal settle before calibrating each point Do not connect test equipment to the Model 2010 through a scanner or other switching equipment If an error occurs during calibration the Model 2010 will generate an appropriate error message See Appendix B for more information Always allow the calibrator to settle before pressing ENTER to complete each step There is a u on the display of the 5700A Calibrator that is the settle annunciator WARNING The maximum common mode voltage voltage between INPUT LO and chassis ground is 500V peak Exceeding this value may cause a breakdown in insulation creating a shock hazard Some of the procedures in this section may expose you to dangerous voltages Use standard safety precautions when such dangerous voltages are encountered to avoid personal injury caused by electric shock Calibration code Before performing comprehensive calibration you must first unlock calibration by entering the appropriate calibration code Front panel code For front panel calibration follow these steps 1 Access the calibration menu by pressing SHIFT CAL and note that the instrument displays the following CAL DATES Use the up or down range key to scroll through the available calibration parameters until the unit
32. BRIDGE VM18 RF 52 CR104 DIODE SILICON W04M RF 46 CR106 DIODE BRIDGE 05 RF 48 CR110 118 DIODE DUAL HSM 2822T31 RF 95 CR111 112 116 117 119 126 133 DIODE DUAL SWITCHING BAV99L RF 82 134 142 143 CR120 122 DIODE DUAL COMMON ANODE BAWS6LT2 RF 98 CR121 123 127 128 131 DIODE SWITCHING MMBD914 RF 83 CR132 DIODE HI VOLTAGE HV 15 RF 76 CR135 141 DIODE SWITCHING MMSD914T19 RF 112 E101 102 SURGE ARRESTOR CG3 1 5L SA 4 J1006 CONN MICRODIN W GND FINGERS CS 792 J1007 CONN RT ANGLE MALE 9 PIN CS 761 9 J1008 CONN RIGHT ANGLE 24 PIN CS 501 J1014 CONN HEADER STRAIGHT SOLDER PIN CS 368 16 J1015 CONNECTOR HEADER CS 784 4 J1016 CONN MALE 5 PIN MOLEX 42491 CS 784 5 J1017 CONNECTOR HEADER STRAIGHT SOLDER CS 368 14 J1034 CONN MALE RT ANGLE 32 PIN CS 456 K101 102 104 RELAY MINATURE DPDT TQ2E L2 5V RL 155 K103 RELAY MINI SIGNAL REL RL 163 L101 106 FERRITE CHIP 600 OHM BLM32A07 CH 62 L107 108 CHOKE CH 61 L109 111 CHOKE 22UH CH 66 22 L110 CHOKE 100UH CH 14 LS101 BEEPER 5V 30MA BRT1209P 06 C EM 5 Q101 102 153 TRANS N CHAN MOSFET 2SK1412 TG 276 Q103 112 128 130 147 171 183 TRANS NPN MMBT3904 TG 238 Q104 105 108 109 113 114 121 TRANS N CHANNEL JFET SNJ132199 TG 294 123 124 126 135 136 159 167 185 186 195 Q119 TRANS P CHANNEL JFET J270 TG 166 Replaceable Parts 6 5 Table 6 1 cont Mother board parts list Circuit desig Description Keithley part no Q125 TRANS SELECTED
33. DISP 3 Press ENTER to start the test There are four parts to the display test Each time ENTER is pressed the next part of the test sequence is selected The four parts of the test sequence are All annunciators are displayed The segments of each digit are sequentially displayed The 12 digits and annunciators are sequentially displayed The annunciators located at either end of the display are sequentially displayed 4 When finished abort the display test by pressing EXIT The instrument returns to normal operation 4 4 Troubleshooting Principles of operation The following information is provided to support the troubleshooting tests and procedures covered in this section of the manual Refer to the following block diagrams Figure 4 1 Power supply block diagram Figure 4 2 Digital circuitry block diagram Figure 4 3 Analog circuitry block diagram Power supply The following information provides some basic circuit theory that can be used as an aid to troubleshoot the power supply A block diagram of the power supply is shown in Figure 4 1 AC power is applied to the AC power module receptacle J1009 Power is routed through the line fuse and line voltage selection switch of the power module to the power transformer The power transformer has a total of four secondary windings for the various supplies AC voltage for the display filaments is taken from a power transformer secondary at F1 and F2
34. first remove the AMPS fuse holder and then use needle nose pliers to grasp the AMP wire near fuse housing Push the wire forward and down to snap the spring out of the fuse housing Carefully pull the spring and contact tip out of housing During re assembly use the following table to identify input terminals Input terminals Front wire color Rear wire color INPUT HI Red White Red INPUT LO Black White Black SENSE HI Yellow White Yellow SENSE LO Gray White Gray AMPS White 4 Unplug cables Unplug the display board ribbon cable from connector J1014 Unplug the transformer cables from connectors J1016 and J1015 Unplug the OPTION SLOT ribbon cable from connector J1017 5 Remove the fastening screw that secures the main PC board to the chassis This screw is located along the left side of the unit towards the rear It also holds down U144 During re assembly replace the board and start the IEEE 488 and RS 232 connector nuts and the mounting screw Tighten all the fasteners once they are all in place and the board is correctly aligned 6 Remove the motherboard which is held in place by edge guides on each side by sliding it forward until the board edges clear the guides Carefully pull the motherboard from the chassis Front panel disassembly Use the following procedures to remove the display board and or the pushbutton switch pad NOTE You must first remove the case cover the front rear inpu
35. the default command Is CAL PROT CODE 1002010 4 Initiate calibration by sending the following command CAL PROT INIT 5 Calibrate step 0 with the following command CAL PROT DC STEP0 6 Perform the entire remote comprehensive calibration procedure discussed earlier in this section See Comprehensive calibration earlier in this section 7 Connect the synthesizer to the Model 2010 INPUT jacks as shown in Figure 2 7 Select the front input jacks with the INPUTS switch 8 Setthe synthesizer to output a 1V RMS 3Hz sine wave then send the following command CAL PROT AC STEP14 Cal voltage Here Cal voltage is the actual 3Hz synthesizer signal amplitude you measured previously 9 Set the synthesizer to output a 1V RMS 2 sine wave then send the following command CAL PROT AC STEPI5 1E3 10 Send the following commands to set calibration dates save calibration and lock out calibration CAL PROT DATE year month day CAL PROT NDUE year month day CAL PROT SAVE CAL PROT LOCK Routine Maintenance 3 2 Routine Maintenance Introduction This section describes routine type maintenance that can be performed by the operator and includes procedures for replacing both the line fuse and the amps fuse Setting the line voltage and replacing the line fuse WARNING Disconnect the line cord at the rear panel and remove all test leads connected to the instrument fron
36. 100 mV 3 Hz 333 ms to to to 1s 0 3 0 01 750V 500 kHz 2 us FREQUENCY NOTES 1 Specifications are for square wave inputs only Input signal must be gt 10 of ACV range If input is lt 20mV on the 100mV range then the frequency must be gt 10Hz 2 20 overrange on all ranges except 750V range TEMPERATURE CHARACTERISTICS THERMOCOUPLE 234 ACCURACY 90 DAY 1 YEAR 23 5 C RELATIVE TO SIMULATED USING TYPE RANGE RESOLUTION REFERENCEJUNCTION 2001 TCSCAN 5 J 200 to 760 C 0 001 C 0 5 C 0 65 C K 200 to 1372 C 0 001 C 0 5 C 0 70 C N 200 to 1300 C 0 001 C 0 5 C 0 70 C 200 400 C 0 001 C 0 5 C 0 68 C 4 WIRE RTD 2378 90 DAY 1 YEAR 2 YEAR 23 C 5 C 23 C 5 C RANGE RESOLUTION ACCURACY ACCURACY 6 100 to 100 C 0 001 C 0 08 0 12 200 to 630 C 0 001 C 0 14 0 18 Temperature Notes 1 For temperatures 100 C add 0 1 C and gt 900 C add 0 3 C 2 Temperature can be displayed in C K or E 3 Accuracy based on ITS 90 4 Exclusive of thermocouple error 5 Specifications apply to channels 2 6 Add 0 06 C channel from channel 6 6 Excluding probe errors 7 100Q platinum D100 F100 PT385 PT 3916 or user type 8 Maximum lead resistance each lead to achieve rated accuracy is 50 INTERNAL SCANNER SPEED MAXIMUM INTERNAL SCANNER RATES RANGE CHANNELS s 1 TRIGGER DELAY 0 2WIRE 4WIRE T C RTD DCV ACV 23 OHMS OHMS TEMPERATURE TEMPERATURE
37. 2 15 Detecting calibration step completion B 17 Digital circuitry 4 6 Digital circuitry checks 4 12 Disassembly 5 1 DISP test 4 3 Display 4 6 Display board 4 6 Display board checks 4 10 Environmental conditions 1 2 2 2 Error queue B 17 Error summary B 15 Example reading limit calculation 1 4 Factory service 6 2 Firmware revision level 2 20 Front panel calibration 2 6 Front panel code 2 3 Front panel disassembly 5 6 Front panel manufacturing calibration firmware A13 and lower 2 24 Front panel manufacturing calibration firmware A14 and higher 2 22 Front panel short and open calibration 2 7 Front panel tests 4 3 General program instructions C 3 Generating an SRQ on calibration complete B 18 Generating an SRQ on error B 17 Handling and cleaning 5 2 Handling PC boards 5 2 488 interface 4 7 INPUT HI 4 8 Instrument re assembly 5 9 Introduction 1 2 2 2 3 2 4 2 5 2 6 2 B 2 C2 Key matrix 4 6 KEY test 4 3 Line power 1 3 2 2 Locking out calibration 2 19 Main CPU firmware replacement 5 7 Manufacturing calibration 2 20 Manufacturing calibration commands B 14 Measuring synthesizer signal amplitude 2 24 Memory circuits 4 7 Microcontroller 4 6 Microprocessor 4 6 Miscellaneous calibration commands B 4 Motherboard removal 5 5 Multiplexer and A D converter 4 9 No comm link error 4 18 Ordering information 6 2 Parts lists 6 2 Performance Verification 1 1 Performing the
38. 2010 Multimeter accuracy is within the limits stated in the instrument s one year accuracy specifications You can perform verification procedures When you first receive the instrument to make sure that it was not damaged during shipment and that the unit meets factory specifications Ifthe instrument s accuracy is questionable Following calibration WARNING The information in this section is intended only for qualified service personnel Do not attempt these procedures unless you are qualified to do so NOTE Ifthe instrument is still under warranty and its performance is outside specified limits contact your Keithley representative or the factory to determine the correct course of action Verification test requirements Be sure that you perform the verification tests Under the proper environmental conditions After the specified warm up period Using the correct line voltage Using the proper calibration equipment Using the specified reading limits Environmental conditions Conduct your performance verification procedures in a test environment that has An ambient temperature of 18 28 65 82 F Arelative humidity of less than 8096 unless otherwise noted Warm up period Allow the Model 2010 Multimeter to warm up for at least two hours before conducting the verification procedures If the instrument has been subjected to temperature extremes those outside the ranges stated above all
39. 300 kHz 100 0000 mV 0 1 BV 1 000000 V 10 90 Days 0 35 0 03 0 05 0 03 0 11 0 05 0 60 0 08 4405 10 00000 V 10 pV 100 0000 V 100 1Year 0 35 0 03 0 06 0 03 0 12 0 05 0 60 0 08 4405 750 000 V 1 TEMPERATURE COEFEICIENT Cs 0 085 0 003 0 050 008 0 006 0 005 0 010 006 0 03 0 01 CURRENT CALIBRATION 3 Hz 10 Hz 3 kHz RANGE RESOLUTION CYCLE 10 Hz 3kHz 5kHz 1 000000 pA 90 Year 0 30 0 04 0 10 0 04 0 14 0 04 3 00000 As 10 pA 90 Day 1 Year 0 35 0 06 0 15 0 06 0 18 0 06 TEMPERATURE COEFEICIENT Cs 0 085 0 006 0 015 0 006 0 015 0 006 HIGH CREST FACTOR ADDITIONAL ERROR AC GENERAL of reading 7 7 pT IMPEDANCE 2 paralleled by lt 100pE Crest Pactor sa lt 524 i ACV INPUT PROTECTION 1000V Additional Uncertainty 0 05 0 15 0 30 0 40 MAXIMUM DCV 400V on range ACI INPUT PROTECTION 3A 250V fuse BANDWIDTH BURDEN VOLTAGE 1A Range 0 35V rms AC OPERATING CHARACTERISTICS FUNCTION DIGITS RDGS s RATE ACV all ranges 643 0 5 04 SLOW 3Hz 300kHz 3A Range 1V rms and 653 14 15 MED 30 Hz 300 kHz SHUNT RESISTOR 0 1Q on all ACI ranges ACI all ranges 6 4 40 43 MED 30Hz 300kHz AC CMRR gt 704 with 1kQ in LO lead 643 2 2 2 3 FAST 300 Hz 300 kHz MAXIMUM CREST FACTOR 5 at full scale 651 35 30 FAST 300 Hz 300 kHz VOLT HERTZ PRODUCT lt 8 x 10 V Hz OVERRANGE 120 of range except on 750V
40. 4 2 Front papel tests cisnienia etorre 1228 4 3 KEY test aetate erede oe e bk S Re EE eade sss 4 3 UKB AEA 4 3 Principles of operation rra 4 4 Power SUPPLY etta ee dtr 4 4 Display board e eee ans 4 6 Digital mcr reete eser 4 6 Analog circuitry anna a aa 4 8 Troubleshootmg tei garagardoa arar 4 10 Display board checks rra 4 10 Power supply checks sr 4 11 Digital circuitry checks rra 4 12 Analog signal switching states sura 4 13 No comam link error urr rra end 4 18 Disassembly Introd cti i DE 5 2 Handling and cleaning sr 5 2 Handling PC boards rra 5 2 Solder epa casei aera 5 2 Static sensitive devices esee 5 3 Assembly drawings rra 5 3 Case cover removal i rda 5 4 Changing trigger link lines rra 5 4 Motherboard removal rss 5 5 Front panel disassembly 5 6 Main CPU firmware replacement ra 5 7 Removing power components rra 5 8 Power transformer removal rr 5 8 Power module removal rr 5 8 Instrument re assembly 2 5 9 Replaceable Parts I UOd cti m E S sasa saa saka ss 6 2 Parts StS C M 6 2 Ordering information rra 6 2 Factory Service 6 2 Component layouts ra 6 2 Specifications Accuracy calculations rrua A 5 Calculating DC characteristics accuracy A 5 Calculating AC characteristics accuracy A 5 Additional derating f
41. 479 480 481 482 483 484 485 486 487 490 499 500 513 514 515 610 100m vac zero error 100m vac full scale error vac zero error vac full scale error vac noise error 10 vac zero error 10 vac full scale error 10 vac noise error 100 vac zero error 100 vac full scale error 750 vac zero error 750 vac full scale error 750 vac noise error Post filter offset error aac zero error aac full scale error 3 aac zero error 3 aac full scale error 10Hz amplitude error Frequency gain error 10 vdc sense zero error 10 2 w zero error 10 4 w zero error 10 4 w full scale error adc zero error 10 Ohm DryCkt Zero error 10 Ohm DryCkt FS error 100 Ohm DryCkt Zero error 100 Ohm DryCkt FS error 10 Ohm Ioff Ocomp FS error 10 Ohm 4 w Ioff Ocomp DryCkt FS error Ohm Ioff Ocomp FS error 100 Ohm 4 w Ioff Ocomp DryCkt FS error 10K Ohm Ioff Ocomp FS error Front rear switch incorrect 10Hz frequency error Calibration data invalid AC calibration data lost DC calibration data lost Calibration dates lost Questionable Calibration Note These errors set bit 3 in the Standard Event Status Register Calibration Command Reference B 17 Error queue As with other Model 2010 errors any calibration error will be reported in the bus error queue You can read this queue by using the SYST ERR q
42. 488 command lines 12 U158 pin 24 Low with remote enabled IEEE 488 REN line 13 U158pin 25 Low during interface clear IEEE 488 IFC line 14 U135 pin 84 Pulse train ADRXB 15 UI135 pin 91 Pulse train ADTX 16 U135 pin 90 Pulse train ADCLK 17 U135 pin 89 Pulse train ADTS Troubleshooting 4 13 Analog signal switching states Table 4 5 through Table 4 11 provide switching states of the various relays FETs and analog switches for the basic measurement functions and ranges These tables can be used to assist in tracing an analog signal from the input to the A D multiplexer Table 4 5 DCV signal switching Range 0101 0102 0114 0136 0109 K101 0113 0105 0104 0108 100mV ON OFF OFF SET OFF ON JON OEE IV ON JON OEE OEE OFF SET OFF ON JON OEE 10V ON JON OEE OEE OFF SET OFF OFF ON OEE 100V OFF OFF OEE SET OFF OFF OFF ON 1000 OFF OFF OFF SET OFF OFF OFF ON Sense volts Q154 Q153 100mV OFF OFF OFF OFF OFF SET ON OFF OFF OFF ON IV OFF OFF OFF OFF SET ON OFF OFF OFF ON 10V OFF OEE OFF OFF OFF SET ON OFF OFF OFF K101 SET states Pin 8 switched to Pin 7 Pin 3 switched to Pin 4 Table 4 6 ACV and FREQ signal switching U103 U103 U105 U105 U103 U103 U105 U111 Range 0101 0102 K101 K102 pin8 pin9 9 8 16
43. 5 5VD referenced to Common D 5 U101 pin 7 37V 5 37V referenced to Common D 6 U180 pin 3 15V 5 15V referenced to Common A 7 U179 pin 3 15 7V 5 15V referenced to Common A 8 U124 pin 3 5V 5 5VRL referenced to Common A 9 CR141 cathode 25V t 2096 25V referenced to Common A 10 CR139 anode 25V 20 25V referenced to Common A 11 U180 pin 1 18V 20 18V referenced to Common A 12 U179 pin 2 18V 20 18V referenced to Common A 13 Q183 emitter 21V 5 20V referenced to Common A 4 11 4 12 Troubleshooting Digital circuitry checks Digital circuit problems can be checked using Table 4 4 See Principles of operation for a digital circuit description Table 4 4 Digital circuitry checks Step Item component Required condition Remarks 1 Power on test RAM OK ROM OK Verify that RAM and ROM are functional 2 U157 pin 16 Digital common All signals referenced to digital common 3 U157 pin 32 5V Digital logic supply 4 U135 pin 48 Low on power up then goes high MPU RESET line 5 U135 lines A1 A23 Check for stuck bits MPU address bus 6 U135 lines D1 D15 Check for stuck bits MPU data bus 7 U135 pin 44 14 7456MHz MPU clock 8 U159 pin 13 Pulse train during RS 232 I O RS 232 RX line 9 U159 pin 14 Pulse train during RS 232 I O RS 232 TX line 10 U158 pins 34 42 Pulse train during IEEE 488 I O IEEE 488 data bus 11 U158 pins 26 31 Pulses during IEEE 488 I O IEEE
44. ASSEMBLY NEXT PROCESS STEP QTY 6 32KEPNUT KEPNUT VOLTAGE 15 SHOWN IN WINDOW ON BACK USED ON DIMENSIONAL TOLERANCES TITEE Z KERN T E A DO NOT SCALE THIS DRAWING Gia DATE 1 18 95 S5CALE GO Chassis Transformer 2010 HARNESS CRIMP ASSEMBLY be GEO ANG 1 Mat 1 5 Power Module Assembly 6 32x1 4PPHSEM PHIL PAN HEAD SEMS SCREW Ede MATERIAL NO 1 10x3 8PPH A PHIL PAN HEAD SCREW 44139 005 FRAC 1 64 Ee R 2010 050 D 2 CABLE CLAMP IET CONFIDENTIAL PROPRIETARY SURFACE MAX Pa FINISH 2 L I 8S0 010 lt DETAIL A REF FRONT PANEL RED BLK 6238 2 CABLE TIE WHT BJ WIRING FRONT PANEL AND REAR CHASSIS DETAIL DISPLAY BOARD CABLE DIG BOARD WIRING AND TRANSFORMER WIRES IN CABLE CLAMP LACE RIBBON CABLE TR 299 TRANSF TOWARDS F DRESS SCAN BOARD CABLE UNDER PLACE EXCESS RIBBON CABLE PANEL AND DRESS AWAY FROM CHASSIS WIRES REF REAR bide RED WHT SHRINK a DETAIL B SW ROD ASS Y SEE RECOMMENDED PROCESS
45. FILM R 391 2 49K R225 OSO RES 470 5 125MW METAL FILM R 375 470 R226 228 235 237 245 250 252 RES 475 1 100MW THICK FILM R 418 475 255 R234 RES 5 11K 1 1000MW THICK FILM R 418 5 11K R241 RES 1 100MW THICK FILM R 418 34K R243 259 317 320 RES 10 10 1OOMW THICK FILM R 418 10 R246 RES 82 5 1 100MW THICK FILM R 418 82 5 R249 RES 4 02K 1 1OOMW THICK FILM R 418 4 02K R261 RES 200 1 1OOMW THICK FILM R 418 200 R267 270 RES 0499 1 100MW THICK FILM R 418 0499 R271 RES NET SOIC TF 245 R277 RES 66 5K 1 1000MW THICK FILM R 418 66 5K R278 281 297 RES 357 1 100MW THICK FILM R 418 357 R280 294 RES 49 9 1 1000MW THICK FILM R 418 49 9 R287 459 RES 1 28M 1 1 8W METAL FILM R 176 1 28M R291 292 RES 47 5K 1 1OOMW THICK FILM R 418 47 5K R300 RES 6 04K 1 125MW THIN FILM R 423 6 04K R304 RES 20K 1 125MW METAL FILM R 391 20K R318 RES 73 2K 1 1OOMW THICK FILM R 418 73 2K R324 367 RES 4 99K 1 125mW METAL FILM R 391 4 99K R325 RES 200K 1 125MW METAL FILM R 391 200K R326 370 RES 499 1 125MW METAL FILM R 391 499 R330 RES 22K 5 125MW METAL FILM R 375 22K Table 6 1 cont Mother board parts list Replaceable Parts 6 7 Circuit desig Description Keithley part no R331 RES 1 8M 5 125MW METAL FILM R 375 1 8M R332 365 RES 499 1 125MW METAL FILM R 391 499 R333 334 336 RES 2 49K 1 125MW METAL FILM R 391 2 49K R335 400 RES
46. Keithley and CEC interface cards listed above Calibration equipment The following calibration equipment is required Fluke 5700A Calibrator e Keithley Model 8610 Calibration Short See Section 2 for detailed equipment information Calibration Program C 3 General program instructions 1 With the power off connect the Model 2010 and the calibrator to the IEEE 488 interface of the computer Be sure to use shielded IEEE 488 cables for bus connections 2 computer the Model 2010 and the calibrator Allow the Model 2010 and the calibrator to warm up for at least two hours before performing calibration 3 Make sure the Model 2010 is set for a primary address of 16 Use the front panel GPIB key to check or change the address 4 Make sure the calibrator primary address is at its factory default setting of 4 Make sure that the computer bus driver software CECHP EXE is properly initialized 6 Enter the QBasic editor and type in the appropriate program below Check thoroughly for errors then save it using a convenient filename en NOTE The program assumes a default calibration code of KI002010 If the calibration code has been changed modify the CAL PROT CODE parameter accordingly 7 Run the program and follow the prompts on the screen to perform calibration C 4 Calibration Program Program C 1 QBasic calibration program Model 2010 calibration program for use with the Fluke 5700A cal
47. LO Exceeding 350V DC from SENSE HI to SENSE LO will cause instrument damage Connect SENSE HI to INPUT and connect SENSE LO to INPUT LO Connect the DC calibrator output HI and LO terminals to the Model 2010 HI and LO terminals respectively as shown in Figure 1 8 Select the Model 2010 function and select the 1V range Set the DC calibrator output to 1 000000V DC and turn on its output Press SHIFT then RATIO then select and enable both RATIO ON and SENSEIN ON Verify that the ratio reading is between 0 9999460 and 1 0000540 gt Qv Figure 1 8 Verifying ratio Model 5700A SENSE HI HI Model 2010 J JEJC GC CCJ C3 IO OOD JC J OOD OO JC 3E 3C PF JE CC OC Short SENSE HI to INPUT HI Short SENSE LO to INPUT LO SENSE LO LO Calibration 2 2 Calibration Introduction Use the procedures in this section to calibrate the Model 2010 Calibration procedures include Comprehensive calibration calibrate DC and AC voltages DC and AC currents and resistance values Manufacturing calibration usually only performed at the factory WARNING information in this section is intended for qualified service personnel only Do not attempt these procedures unless you are qualified to do so All the procedures require accurate calibration equipment to supply precise DC and AC voltages D
48. O signals are Measurement Category and must not be directly connected to mains voltage or to voltage sources with high transient over voltages Measurement Category connections require protection for high transient over voltages often associated with local AC mains connections Assume all measurement control and data I O connections are for connection to Category sources unless otherwise marked or described in the user documentation Exercise extreme caution when a shock hazard is present Lethal voltage may be present on cable connector jacks or test fixtures The American National Standards Institute ANSI states that a shock hazard exists when voltage levels greater than 30V RMS 42 4V peak or 60VDC are present A good safety practice is to expect that hazardous voltage is present in any unknown circuit before measuring Operators of this product must be protected from electric shock at all times The responsible body must ensure that operators are prevented access and or insulated from every connection point In some cases connections must be exposed to potential human contact Product operators in these circumstances must be trained to protect themselves from the risk of electric shock If the circuit is capable of operating at or above 1000 volts no conductive part of the circuit may be exposed Do not connect switching cards directly to unlimited power circuits They are intended to be used with impedance limited sources NEVER connect
49. Pin 8 switched to Pin 7 Pin 3 switched to Pin 4 K102 reset states Pin 8 switched to Pin 9 Pin 3 switched to Pin 2 Table 4 8 O4 signal switching Range K104 Q101 Q102 Q114 Q136 Q109 K101 K102 Q113 Q105 Q104 Q108 Q153 Q167 100 RESET OFF OEE 5 RESET ON OFF OFF ON OFF 1000 RESET OFF OEE SET RESET ON OFF OFF OFF ON OFF 1kQ RESET OFF OFF OFF OFF OFF SET RESET ON OEE OFF 10kQ RESET OFF OFF OFF OFF OFF SET RESET ON OEE OFF OFF 100kQ RESET OFF OFF OFF OFF SET RESET ON OEE OFF OFF IMQ RESET OFF OFF OFF OFF OFF SET RESET ON OFF OFF OFF OFF RESET ON OEE OFF 5 SET OFF OFF OEE OFF OFF 100 RESET ON OEE OFF SET SET OFF OEE OFF OFF OFF Dry circuit 10Q SET OFF ON ON OEE RESET RESET ON OFF 1000 SET OFF ON ON OEE RESET RESET ON OFF OFF ON K101 set states Pin 8 switched to Pin 7 K102 reset states Pin 3 switched to Pin 4 Pin 8 switched to Pin 9 Pin 3 switched to Pin 2 Troubleshooting 4 15 Table 4 9 222 04 reference switching Range U133 pin 8 0133 1 0123 0125 0124 0126 10Q OFF ON ON ON OFF OFF 1000 OFF ON ON OFF OFF IKU ON OFF
50. TG 128 31841A Q129 141 166 172 TRANS PNP MMBT3906L TG 244 Q137 138 SELECTION TG 225 182 600B Q140 188 TRANS N CHAN JFET SST4393 TG 263 Q142 148 TRANS NPN COMP SILICON AMP MPS8099 TG 157 Q143 149 TRANS PNP COMP SILICON AMP MPS8599 TG 158 Q144 150 TRANS NPN SILICON BC846BL TG 278 Q145 146 TRANS PNP BC 856BL TG 287 Q151 168 169 175 178 TRANS N MOSFET VN0605T TG 243 Q154 155 TRANS N CHAN MOSFET TN2540N8 TG 274 Q156 TRANS DUAL N CHAN JFET SNJ450H99 TG 326 Q160 TRANS NPN PAIR LM394 TG 142 Q162 TRANS DUAL PNP LS352 TG 322 Q163 189 191 192 196 TRANS PNP BC860C TG 323 Q164 165 TRANS N CHAN MOSFET IRF7101 TG 312 Q184 TRANS N CHANNEL FET 2N4392 TG 128 1 Q187 TRANS P CHAN MMBFJ175 TG 311 R101 102 RES 5 125MW METAL FILM R 375 1M R104 105 RES 549K 1 1 4W METAL FILM R 315 549K R106 RES 11K 1 1 10W METAL FILM R 263 11K R109 134 329 382 RES IK 1 125mW METAL FILM R 391 1K R110 133 RES NET 9K 1K MICRO DIVIDER TF 246 2 R111 122 140 165 182 190 200 RES 1 100MW THICK FILM R 418 1K 256 272 279 284 288 290 296 298 299 358 380 39 1 398 408 415 426 R112 RES 100K 1 125mW METAL FILM R 391 100K R115 RES IK 1 IW WIREWOUND R 249 1K R117 RES NET 100K 9 9M METAL FILM TF 251 R118 175 224 263 276 282 295 RES 10K 1 100MW THICK FILM R 418 10K R123 RES 73 2K 1 100MW THICK FILM R 418 73 2K R127 135 RES 33 2K 1 100MW THICK FILM R 418 33 2K R129 RES 215 1 100MW THICK FILM
51. are for 60Hz 50Hz operation using factory default operating conditions RST Autorange off Display off Trigger delay 0 Sample count 1024 auto zero off Auto zero off NPLC 0 01 Ohms 17 15 readings second 1 PLC 16 67ms 60Hz 20ms 50Hz 400Hz The frequency is automatically determined at power up For signal levels gt 500V add 0 02ppm V uncertainty for the portion exceeding 500V Add 120ms for ohms 10 11 12 13 14 Must have 10 matching of lead resistance in Input HI and LO For line frequency 0 1 For 1kQ unbalance in LO lead Relative to calibration accuracy Specifications are for 4 wire ohms For 2 wire ohms add 10 to ppm of range uncertainty 100 range is for 4 wire only Offset compensation on Sense LO input must be referenced to Input LO Sense HI input must not exceed 125 referenced to Input LO of range selected Sense input has 100mV 1V and 10V ranges When properly zeroed using REL function For rear inputs add the following to Temperature Coefficient ppm of reading uncertainty IMQ 25ppm 10MQ 250ppm 100MQ 2500ppm Operating environment specified for 0 C to 50 C and 50 RH at 35 C HW 9 5 03 Rev 2010 Low Noise Multimeter TRUE RMS ACVOLTAGE AND CURRENT CHARACTERISTICS ACCURACY of reading of range 23 C 5 C VOLTAGE CALIBRATION 3Hz 10 Hz 20 kHz 50 kHz 100 kHz RANGE RESOLUTION CYCLE 10 Hz 20 kHz 50 kHz 100 kHz
52. calibration points and are valid only in manufacturing calibration mode 2 Upper case letters indicate short form of each command For example instead of sending CALibration PROTected INITiate you can send CAL PROT INIT B 4 Calibration Command Reference Miscellaneous calibration commands Miscellaneous commands perform miscellaneous calibration functions such as programming the calibration code and date These commands are discussed in detail in the following paragraphs CODE CALibration PROTected CODE Purpose To program the calibration code or password so that you can perform the calibration procedures Format cal prot code char string Parameter Up to a 8 character string including letters and numbers Description The CODE command enables the Model 2010 calibration procedures when performing these procedures over the bus In general this command must be sent to the unit before sending any other comprehensive or manufacturing calibration command The default calibration code is KI002010 Note The CODE command should be sent only once before performing either the comprehensive or factory calibration Do not send CODE before each calibration step To change the code first send the present code and then send the new code The code parameter must be enclosed in single quotes Example CAL PROT CODE KI002010 Send default code of KI002010 CALibration PROTected COUNt Purpose
53. command to 2010 Wait until cal step ends Check for cal error Abort if ESC is pressed Check for cal step completion Request SRO status Input SRQ status byte Wait for operation complete Clear OPC Clear SRQ Error check routine C 5 C 6 Calibration Program PRINT 1 OUTPUT 16 SYST ERR Query error queue PRINT 1 ENTER 16 INPUT 2 E Err IF E lt gt 0 THEN BEEP PRINT Err GOTO ErrCheck Display error RETURN 1 Settle Calibrator settling routine DO PRINT 1 OUTPUT 4 ISR Query status register PRINT 1 ENTER 4 INPUT 2 S LOOP UNTIL S AND amp H1000 Test settle bit RETURN 1 EndProg Close files end program BEEP PRINT Calibration aborted PRINT 1 OUTPUT 4 STBY PRINT 1 OUTPUT 16 SYST PRES PRINT 1 LOCAL 4 16 CLOSE END 1 CmdList DATA DATA DATA DATA TA TA TA TA DATA DATA DATA DATA DATA DATA DATA TA TA TA TA TA DATA DATA DATA DATA DATA DATA BERBERS Connect low thermal short to inputs wait 3 minutes DC STEP1 Disconnect low thermal short from inputs DC STEP2 OUT 10 0 HZ DC STEP3 10 OUT 10 V DC STEPA 10 OUT 100 V DC STEP5 100 OUT 10 OHM DC STEP6 OUT 1 KOHM DC STEP7 OUT 10 KOHM DC STEP8 OUT 100 KOHM DC STEP9 OUT 1 MOHM DC STEP10 OUT 10 MA DC STEP11 10E 3 OUT 100 MA DC STEP12 100E 3 OUT 1A DC STEP13 1 OUT 10 MV
54. constants CAL PROT SAVE NOTE Calibration constants will not be saved unless the SAVE command is sent Locking out calibration After saving calibration send the following command to lock out calibration CAL PROT LOCK 2 20 Calibration Manufacturing calibration The manufacturing calibration procedure is normally performed only at the factory but the necessary steps are included here in case the unit is repaired and the unit requires these calibration procedures NOTE Ifthe unit has been repaired the entire comprehensive calibration procedure should also be performed in addition to the manufacturing calibration procedure Firmware revision level The manufacturing calibration procedure depends on the firmware revision level either revision A13 and lower or revision A14 and higher The instrument displays the firmware revision as part of the power up cycle Be sure to use the correct procedure as outlined below Recommended test equipment Table 2 13 summarizes the test equipment required for the manufacturing calibration steps Note that the equipment depends on firmware revision level See Table 2 1 for equipment necessary for the comprehensive calibration steps Table 2 13 Recommended equipment for manufacturing calibration Firmware revision A13 and lower Firmware revision A14 and higher Keithley 3930A or 3940 Frequency Synthesizer Stanford Research Systems DS 345 Function Generator 1V RMS 3Hz 5
55. correct calibration current Press ENTER to complete each step Allow the Model 2010 to finish each step NOTE Ifyou are performing DC only calibration proceed to Setting calibration dates Table 2 5 DC current calibration summary Calibration step Calibrator current Allowable range 10mA 10 00000mA 9mA to IIA 100mA 100 0000mA 90mA to 110mA 1A 1 000000A 0 9A to 11 Calibration 2 11 AC voltage calibration Follow these steps for AC voltage calibration 1 Connect the calibrator to the Model 2010 INPUT HI and LO terminals as shown in Figure 2 4 Figure 2 4 f 1 5700A Calibrat Connections for AC alibrator volts calibration Model 2010 GREEN 2 Perform the calibration steps summarized in Table 2 6 For each step Set the calibrator to the indicated value and make sure the calibrator is in operate Press ENTER to complete each step Wait until the Model 2010 completes each step Table 2 6 AC voltage calibration summary Calibration step Calibrator voltage frequency 10mV AC at IKHz 10 00000mV 1kHz 100mV AC at 1kHz 100 0000mV 1kHz 100mV AC at 50kHz 100 0000mV 50kHz 1V AC at 1kHz 1 000000V 1kHz 1V AC at 50kHz 1 000000V 50kHz 10V AC at 1kHz 10 00000V 1kHz 10V AC at 50kHz 10 00000V 50kHz 100V AC at 1kHz 100 0000V 1kHz 100V AC at 50kH
56. displays RUN and then press ENTER The Model 2010 then prompts you to enter a code CODE 000000 The factory default code is 002010 Use the left and right arrow keys to move among the digits use the up range key to increment numbers and press the down range key to specify alphabetic letters Confirm the code by pressing ENTER 2 4 Calibration 4 The Model 2010 lets you define a new calibration code Use the up and down range keys to toggle between yes and no Choose N if you do not want to change the code Choose Y if you want to change the code The unit then prompts you to enter a new code Enter the code and press ENTER Remote command code If you are performing calibration over the IEEE 488 bus or the RS 232 port send the following command to unlock calibration CAL PROT CODE lt 8 character string The default code command is CAL PROT CODE K1002010 NOTE Ifthe first two characters are anything other than you will not be able to unlock cal from the front panel Comprehensive calibration The comprehensive calibration procedure calibrates the DCV DCI ACV ACI and ohms functions You can also choose to calibrate only the DCV DCI and resistance or the ACV ACI functions These procedures are usually the only ones required in the field Manufacturing calibration is done at the factory and can be done in the field if the unit has been repaired See Manufacturing calibration at the end of this sect
57. for complete product specifications If the product is used in a manner not specified the protection provided by the product warranty may be impaired The types of product users are Responsible body is the individual or group responsible for the use and maintenance of equipment for ensuring that the equipment is operated within its specifications and operating limits and for ensuring that operators are adequately trained Operators use the product for its intended function They must be trained in electrical safety procedures and proper use of the instrument They must be protected from electric shock and contact with hazardous live circuits Maintenance personnel perform routine procedures on the product to keep it operating properly for example setting the line voltage or replacing consumable materials Maintenance procedures are described in the user documentation The procedures explicitly state if the operator may perform them Otherwise they should be performed only by service personnel Service personnel are trained to work on live circuits perform safe installations and repair products Only properly trained service personnel may perform installation and service procedures Keithley Instruments products are designed for use with electrical signals that are rated Measurement Category I and Measurement Category as described in the International Electrotechnical Commission IEC Standard IEC 60664 Most measurement control and data I
58. located at R270 line 2 EXT TRIG and R267 line 1 VMC To change a trigger link line Use a hot air pencil to remove the appropriate solder bead Using a solder with OA based flux apply a solder bead to the appropriate resistor location Replace the cover on the instrument Mother Board Rear Panel view from top Elba Trigger Link Connector Trigger Link Lines R269 Line 1 R267 50199 0268 Line 2 EXT TRIG R270 Line 3 VMC R266 R270 Line 4 EXT TRIG R268 be 2265 Line 5 VMC R265 Line 6 EXT TRIG R269 EI R267 O O R266 Motherboard removal Perform the following steps to remove the motherboard This procedure assumes that the case cover is already removed 1 Remove the IEEE 488 and RS 232 fasteners The IEEE 488 and the RS 232 connectors each have two nuts that secure the connectors to the rear panel Remove these nuts Remove the front rear switch rod At the switch place the edge of a flat blade screw driver in the notch on the pushrod Gently twist the screw driver while pulling the rod from the shaft Disconnect the front and rear input terminals You must disconnect these input terminal connections for both the front and rear inputs INPUT HI and LO SENSE HI and LO AMPS 5 6 Disassembly Remove all the connections except the front AMPS connection by pulling the wires off the pin connectors To remove the front panel AMPS input wire white
59. parallel and serial ports for controlling various circuits For example the RXDA TXDA RXDB and TXDB lines are used for the RS 232 interface MPU clock frequency of 14 7456MHz is controlled by crystal Y 101 Troubleshooting 4 7 PEU A ROM RAM Digital circuitry block diagram U136 U156 U157 U151 U152 t EE 3 I XADTX ADTX XADCLK ADCLK Displ Has 68306 isplay Board z Circuitry Display XADTS ADTS uP gt ui ora 05401 I 0135 See Figure 4 3 1 XADRX ADRXB XTAL Y101 Scan Control IN RS 232 RS 232 U159 Port TRIG IN Trigger U146 U164 S xs GPIB IEEE 488 Data OUT 158 0160 Bus U161 Trigger Link Memory circuits ROMs U156 and U157 store the firmware code for instrument operation U157 stores the D0 D7 bits of each data word and U156 stores the D8 D15 bits RAMs U151 and U152 provide temporary operating storage U152 stores the D0 D7 bits of each data word and U151 stores the D8 D15 bits Semi permanent storage facilities include U136 This IC stores such information as instrument setup and calibration constants Data transmission from this device is performed serially RS 232 interface Serial data transmission and reception is performed by the TXDB and RXDB lines of the MPU U159 provides the necessary voltage level conversion for the RS 232 interface port IEEE 488 interface U158 U160 and U161 make up the
60. power module by pushing it in until it locks in place Replacing the AMPS fuse The AMPS fuse protects the current input from an over current condition Follow the steps below to replace the AMPS fuse WARNING Make sure the instrument is disconnected from the power line and other equipment before replacing the AMPS fuse Turn off the power and disconnect the power line and test leads From the front panel gently push in the AMPS jack with your thumb and rotate the fuse carrier one quarter turn counter clockwise Release pressure on the jack and its internal spring will push the fuse carrier out of the socket 3 Remove the fuse and replace it with the same type 3A 250V fast blow Keithley part number FU 99 1 CAUTION Do not use a fuse with a higher current rating than specified or instrument damage may occur If the instrument repeatedly blows fuses locate and correct the cause of the trouble before replacing the fuse 4 Install the new fuse by reversing the above procedure Troubleshooting 4 2 Troubleshooting Introduction This section of the manual will assist you in troubleshooting and repairing the Model 2010 Included are self tests test procedures troubleshooting tables and circuit descriptions It is left to the discretion of the repair technician to select the appropriate tests and documentation needed to troubleshoot the instrument WARNING information in this section is intended for
61. short to the instrument INPUT and SENSE terminals as shown in Figure 2 1 Make sure the INPUTS button is not pressed in so that the front inputs are active Wait at least three minutes before proceeding to allow for thermal equilibrium NOTE sure to connect low thermal short properly to the HI LO and SENSE terminals Keep drafts away from low thermal connections to avoid thermal drift which could affect calibration accuracy 2 Sendthe following command CAL PROT DC STEPI 3 After the Model 2010 completes this step remove the low thermal short and send this command CAL PROT DC STEP2 Calibration 2 15 DC volts calibration After front panel short and open steps perform the following 1 Connect the calibrator to the Model 2010 as shown in Figure 2 2 Allow three minutes for thermal equilibrium NOTE Although 4 wire connections are shown the sense leads are connected and disconnected at various points in this procedure by turning calibrator external sense on or off as appropriate If your calibrator does not have provisions for turning external sense on and off disconnect the sense leads when external sensing is to be turned off and connect the sense leads when external sensing is to be turned on Disconnect sense leads when calibrating and verifying AC volts NOTE Disconnect sense leads when calibrating and verifying AC volts 2 Perform the calibration steps summarized in Table 2 8 For each step Set
62. years SAFETY Conforms to European Union Directive 73 23 EEC EN61010 1 CAT II EMC Complies with European Union Directive 89 336 EEC EN61326 1 VIBRATION MIL PRF 28800F Class 3 Random WARMUP 2 hours to rated accuracy DIMENSIONS Rack Mounting 89mm high x 213mm wide x 370mm deep 3 in x 836 in x 14 6in Bench Configuration with handle and feet 104mm high x 238mm wide x 370mm deep 4 in x 9 in x 14 6 SHIPPING WEIGHT 5kg 11 Ibs VOLT HERTZ PRODUCT lt 8 10 V Hz ACCESSORIES SUPPLIED Model 1751 Safety Test Leads User Manual Service Manual ACCESSORIES AVAILABLE 1050 Padded Carrying Case with handle and should strap 1754 Universal Test Lead Kit 2000 SCAN 10 Channel Scanner 2001 TCSCAN 9 Channel Thermocouple Scanner includes 1 channel reference junction 2010 EW 1 Year Warranty Extension 4288 1 Single Fixed Rack Mount Kit 4288 2 Dual Fixed Rack Mount Kit 5804 4 Terminal Test Lead Set 5805 Kelvin Probes 5806 Kelvin Clip Lead Set 5807 7 Helical Spring Point Test Leads 7007 1 Shielded GPIB Cable 1m 3 2 ft 7007 2 Shielded GPIB Cable 2m 6 5 ft 7009 5 Shielded RS 232 Cable 1 5m 5 ft 8502 Trigger Link Adapter to 6 female BNC connector 8503 Trigger Link Cable to 2 Male BNCs 1m 3 2 ft 8605 High Performance Modular Test Leads 8606 High Performance Probe Tip Kit HW 9 5 03 Rev C Specifications A 5 Accuracy calculations The following information discusses how to calculate accurac
63. 1 ENTER 4 NPUT 2 R R S Cmd Cmd STRS R H CASE 11 14 24 J AMPS P P END SELECT PRINT 1 IF I gt 2 THEN GOS PRINT 1 OUTPUT GOSUB CalEnd GOSUB ErrCheck NEXT I 1 PRINT 1 OUTPUT LINE INPUT Enter PRINT 1 OUTPUT GOSUB ErrCheck LINE INPUT Enter PRINT 1 OUTPUT GOSUB ErrCheck PRINT 1 OUTPUT GOSUB ErrCheck PRINT 1 OUTPUT RINT 1 OUTPUT 4 Msg RINT 1 OUTPUT 4 OPER UB Settle 16 C Cmd OPC 4 STBY calibration date yyyy mm dd D 16 CAL PROT DATE D calibration due date yyyy mm dd D 16 CAL PROT NDUE D 16 CAL PROT SAVE Save calibration constants 16 CAL PROT LOCK Lock out calibration PRINT Calibration completed PRINT 1 END 1 KeyCheck WHILE INKEYS lt gt PRINT WEND OUTPUT 16 SYST PRES Check for key press routine Flush keyboard buffer PRINT Press any key to continue ESC to abort program DO 15 INKEYS LOOP WHILE 15 IF I CHR 27 THEN EndProg REIURN 1 CalEnd PRINT Performing calibration step I DO PRINT 1 560 INPUT 2 S LOOP UNTIL S PRINT 1 OUTPUT 16 ESR PRINT 1 ENTER 16 INPUT 2 S PRINT 1 SPOLL 16 INPUT 2 S RETURN ErrCheck IF I 14 THEN JS INPUT HI OUTPUT 4 STBY PRINT Connect calibrator to J and INPUT LO jacks GOSUB KeyCheck Calibration Program Send cal
64. 1 150 158 176 219 220 CAP 47P 5 100V CERAMIC C 465 47P 222 224 226 272 275 278 289 C112 248 CAP 01 5 50V NPO C 514 01 C113 114 119 123 126 245 247 CAP 1000P 10 100V CERAMIC C 451 1000P C115 CAP 33UF 20 63V POLYCARBONATE C 482 33 C120 CAP 270PF 5 100V CERAMIC C 465 270P C131 148 CAP 1000UF 20 50V ALUM ELEC C 469 1000 C132 140 CAP 220PF 10 100V CERAMIC C 451 220P C137 CAP 33PF 5 100V CERAMIC C 465 33P C145 240 260 300 CAP 1000PF 20 50V CERAMIC C 418 1000P C146 CAP 2200UF 20 16V ALUM ELEC C 473 2200 C156 CAP 6800UF 20 100 16V ALUMINUM C 313 6800 C171 177 CAP 2200P 10 100V CERAMIC C 430 2200P C175 CAP 10UF 20 25V TANTALUM C 440 10 C179 308 312 CAP 100PF 5 100V CERAMIC C 465 100P C209 CAP 22UF 20 25V TANTALUM C 440 22 C241 242 243 270 CAP 01UF 10 50V CERAMIC C 491 01 C251 258 295 CAP 100PF 5 100V CERAMIC C 465 100P C252 257 264 266 267 268 271 CAP 47PF 10 100V CERAMIC C 451 47P C253 256 CAP 15UF 20 50V CERAMIC C 418 15 C276 277 281 284 CAP 470UF 20 63V ALUM ELEC C 477 470 C288 CAP 1UF 10 1000V CERAMIC C 64 1 6 4 Replaceable Parts Table 6 1 cont Mother board parts list Circuit desig Description Keithley part no C296 297 CAP 47UF 20 25V ALUM ELEC C 314 47 C298 CAP 100PF 2 5 630V POLYPROPYLENE C 405 100P C306 307 CAP 680PF 1096 1000V CERAMIC C 64 680P CR102 103 DIODE
65. 1 KHZ AC STEP1 OUT 100 MV 1 KHZ AC STEP2 OUT 100 MV 50 KHZ AC STEP3 OUT 1 V 1 KHZ AC STEP4 OUT 1 V 50 KHZ AC STEP5 OUT 10 V 1 KHZ AC STEP6 OUT 10 V 50 KHZ AC STEP7 OUT 100 V 1 KHZ AC STEP8 OUT 100 V 50 KHZ AC STEP9 OUT 700 V 1 KHZ AC STEP10 OUT 100 MA 1 KHZ AC STEP11 OUT 1 A 1 KHZ AC STEP12 OUT 2 A 1 KHZ AC STEP13 Index Aborting calibration 2 5 AC calibration commands B 12 AC current calibration 2 12 2 18 AC voltage calibration 2 11 2 18 Accuracy calculations A 5 Additional derating factors A 6 AMPS input 4 9 Analog circuitry 4 8 Analog signal switching states 4 13 Assembly drawings 5 3 Calculating AC characteristics accuracy A 5 Calculating DC characteristics accuracy A 5 Calculating resistance reading limits 1 4 Calibration 2 1 Calibration code 2 3 Calibration Command Reference B 1 Calibration considerations 2 3 Calibration cycle 2 4 Calibration equipment C 2 Calibration for firmware revision A13 and lower 2 24 Calibration for firmware revision A14 and higher 2 22 Calibration Program C 1 Case cover removal 5 4 Changing trigger link lines 5 4 Command summary B 2 Component layouts 6 2 Comprehensive calibration 2 4 Computer hardware requirements C 2 Connections for firmware revision A13 and lower 2 22 Connections for firmware revision A14 and higher 2 21 DC calibration commands B 8 DC current calibration 2 10 2 17 DC volts calibration 2 8
66. 10 11 96 C 18099 RELERSED Sz 12 14 95 F 20045 ARTHORK WAS REY E ADDED 2 Sz 10 22 97 C dos Ce 0510 0311 NEAR Y101 Ds 19284 REMOVED BAR CODE LABEI 6 1 18256 sz 1 26 96 F1 20929 2000 190 INSTALLED AT Sz Z 5 98 Sz 11 6 96 C 5010 8048045 HAS 501025028015 LOCRTION R117 2010 802809 WAS 2010 803A08 c2 18220 2010 B803A05 WAS 2010 802004 2010 162 FEV ARTHORK WAS REU ADDED C312 D4 19745 2010 B04a09 WAS 2010 804A08 52 4 2 97 E C2010 B04n05 WAS 2010 804A04 I 872626 G 20798 R459 R460 R461 R462 0195 0196 SZ 6 30 98 io42g BRIMORK WAS REY D HIDENED TRACE ATT o s 1 ea 5 18720 2000 802802 WAS 2000 802A01 8 15 5 25 96 1 54101 PIN 4 R430 WAS R 418 100K 14 TOP SIDE COMPONENTS H 22227 DIRE NAS REY Pas nDDED 1851297 DHC 6 22 99 R427 WAS R 418 4 99K SEE PAGE 2 D 18520 ARTWORK WAS REV C REVISED PARTS SZ 6 5 96 Y 2 2 26 gt gt gt 2 EO o J1017 C104 1 I dda C108 CR116 al rv i so o cis Eda 4p 2 o Suo 80 69 d u M Ea Q 3 D 7 5 3 5 SL m 1 U193 5 lo e liz 5 7 gee L107 Du J1014 D Mz O 16396 rE U144 J1008 P1017 58 GO J1015 0107 a dde E Sze NR 2 E 4 40x5 16 PPH 2 REQ D 2 u Y
67. 10 804 0157 PROGRAMMED 2010 803 10158 GPIB ADAPTER 9914A LSI 123 U159 IC 5V RS 232 TRANSCEIVER MAX202 IC 952 U160 IC OCTAL INTERFACE BUS 75160 IC 646 U161 IC OCTAL INTER BUS TRANS 75161 IC 647 U163 IC 8 CHAN ANA MULTIPLEXER DG408DY IC 844 U165 PROGRAMMED IC 2000 802 U167 IC LTC1050CS8 IC 791 U174 177 IC OP AMP MC34081BD IC 1058 U179 IC NEG VOLTAGE REG 15V 500MA 79M15 IC 195 U180 IC POS VOLTAGE REG 15V 500MA 7815 IC 194 0185 IC AJD SHUNT REGULATOR TL431CLP IC 677 U187 IC PROGRAMMABLE PRECISION REF TLA31CD IC 1042 U188 189 IC PHOTO TRANS TLP626B V LFI IC 1006 U190 IC OP AMP AD707 IC 712 Table 6 1 cont Mother board parts list Replaceable Parts 6 9 Circuit desig Description Keithley part no VR103 104 DIODE ZENER 6 8V MMSZ5235BT1 DZ 100 VR105 106 DIODE ZENER 11V MMSZIITI DZ 103 VR112 113 DIODE ZENER 6 2V MMSZ6V2 DZ 97 VR115 121 DIODE ZENER 5 1V BZX84C5V1 DZ 88 VR116 119 DIODE ZENER 3 3V MMBZ5226BL DZ 94 VR120 VR102 DIODE ZENER 6 2V BZX84B6V2 DZ 87 VR122 DIODE ZENER 6 4V IN4579 DZ 73 VR123 124 DIODE ZENER 12V MMSZIITI DZ 112 VR125 126 DIODE ZENER 7 5V BZX84C7V5 DZ 110 Y101 CRYSTAL 14 7456MHZ CR 39 Y102 OSCILLATOR HIGH SPEED CMOS 12MHZ CR 37 Order same type as existing firmware revision level 6 10 Replaceable Parts Table 6 2 Display board parts list Circuit desig Descriptio
68. 10E 3 value whenever possible for best results Example CAL PROT DC STEP11 10E 3 Program 10mA step STEP12 CALibration PROTected DC STEP1 2 Purpose To program the 100mA comprehensive calibration step Format cal prot dc step12 Cal current Parameter Cal current 90E 3 to 1 10E 3 A Description STEP12 programs the 100mA comprehensive calibration step The allow able range of the calibration current parameter is from 90E 3 to 1 10E 3 Use the 100E 3 value whenever possible for best results Example CAL PROT DC STEP12 0 1 Program 100mA step STEP13 CALibration PROTected DC STEP13 Purpose To program the 1A comprehensive calibration step Format cal prot dc stepl3 Cal current Parameter Cal current 0 9 to 1 1 A Description STEP13 programs the 1A comprehensive calibration step The allowable range of the calibration current parameter is from 0 9 to 1 1 Use a value of 1 whenever possible for best results Example CAL PROT DC STEP13 1 Program 1A step B 12 Calibration Command Reference AC calibration commands The AC commands perform comprehensive user calibration of the ACV and ACI functions Table B 3 summarizes these calibration commands Table B 3 AC calibration commands Command Description CALibration PROTected AC STEP 1 10mV AC at 1kHz calibration step 2 100mV AC at 1kHZ calibration step 3 100mV AC at 50kHz calibration step 4 IN AC at 1 kHz calibration step
69. 20ppm Fluke 5725A Amplifier AC Voltage 50kHz 700 375 Keithley 3930A or 3940 Frequency Synthesizer RMS 1kHz 5 General Radio 1433 T Precision Decade Resistance Box 100 4000 0 02 1kHz specifications shown 5725A amplifier required to source 700V at 50kHz NOTE The Fluke 5725A amplifier is necessary only if you wish to verify the 750V AC range at SOkHz Verification at 220V 50kHz using only the 5700A calibrator is adequate for most applications 1 4 Performance Verification Verification limits The verification limits stated in this section have been calculated using only the Model 2010 one year accuracy specifications All ranges do not include the verification equipment s uncertainty If a particular measurement falls slightly outside the allowable range recalculate new limits based on both Model 2010 specifications and pertinent calibration equipment specifications Example reading limit calculation The following is an example of how reading limits have been calculated Assume you are testing the 10V DC range using a 10V input value Using the Model 2010 one year accuracy specification for 10V DC of 24ppm of reading 4ppm of range the calculated limits are Reading limits 10V 10V x 24ppm 10V x 4ppm Reading limits 10V 00024 00004 Reading limits 10V 00028V Reading limits 9 99972V to 10 00028V Calculating resistance reading limits Resistance
70. 4 10 Troubleshooting Troubleshooting Troubleshooting information for the various circuits is summarized below See Analog signal switching states for additional information regarding the analog circuitry Display board checks If the front panel DISP test indicates that there is a problem on the display board use Table 4 2 See Principles of operation for display circuit theory Table 4 2 Display board checks Step Item component Required condition Remarks 1 Front panel DISP test Verify that all segments operate Use front panel display test 2 P1005 pin 5 5 5 Digital 5V supply 3 P1005 pin 9 37 5 Display 37V supply 4 U401 pin 1 Goes low briefly on power up then Microcontroller RESET goes high 5 U401 pin 43 4MHz square wave Controller 4MHz clock 6 U401 pin 32 Pulse train every 1015 Control from main processor 7 U401 pin 33 Brief pulse train when front panel key Key down data sent to main processor is pressed Power supply checks Troubleshooting Power supply problems can be checked using Table 4 3 See Principles of operation for circuit theory on the power supply Table 4 3 Power supply checks Step Item component Required condition Remarks 1 Line fuse Check continuity Remove to check 2 Line voltage 120V 240V as required Check power module position 3 Line power Plugged into live receptacle power on Check for correct power up sequence 4 U144 pin 2 5V
71. 8 2 FASTENER 2 REQ D MODEL NEXT ASSEMBLY NEXT PROCESS STEP QTY 22 2 FOOT BOTTOM CHASSIS COVER REF USED ON MC 615A WARNING LABEL 4 40 2 PHIL FLAT HEAD UNDERCUT SCREW DO NOT SCALE THIS DRAWING n ABEE DUDAS BOUE TOC Ardia MC 285 SERIAL NUMBER ENG CHASSIS ASSEMBLY OP6 128 3030 REAR BEZEL XX 015 ANG 51 DRN da linen LS CAPTIVE PANEL SCREW FA 240 2 PLASTIC PLUG KEI TREES rs OK 4 008 e ai zea ATERTAL ES pa ME 2001 3724 SCAN COVER PLATE Sa FINISH 20 10 428 329F HANDLE CONFIDENTIAL PROPRIETARY SURFACE MAX 2 PT Replaceable Parts 6 2 Replaceable Parts Introduction This section contains replacement parts information and component layout drawings for the Model 2010 Parts lists The electrical parts lists for the Model 2010 are shown in Tables 4 1 to 4 3 For part numbers to the various mechanical parts and assemblies use the Miscellaneous parts list and the assembly drawings provided at the end of Section 5 and Table 6 1 through Table 6 4 Ordering information To place an order or to obtain information concerning replacement parts contact your Keithley representative or the factory see inside front cover for addresses When ordering parts be sure to include the following information Instrument model number Model 2010 Instrument serial number Part description Component designation if applicable Keit
72. 940 Synthesizer Model 2010 Main Function Output PERIOD SENSOR 50Q BNC Coaxial Cable Unlocking manufacturing calibration To unlock manufacturing calibration press and hold in the OPEN key while turning on the power Calibration for firmware revision A14 and higher Front panel manufacturing calibration firmware A14 and higher 1 Connect the low thermal short to the rear panel input jacks and select the rear inputs with the INPUTS switch Allow three minutes for thermal equilibrium 2 Press in and hold the OPEN key while turning on the power 3 Press SHIFT then CAL select RUN then enter the appropriate calibration code default 002010 4 Select ALL at the CAL RUN prompt 5 Press ENTER 6 Perform the entire front panel comprehensive calibration procedure discussed earlier in this section See Comprehensive calibration earlier in this section Calibration 2 23 7 After the last AC current calibration step the instrument will prompt you to enter 10Hz at 1V RMS and 1KHz with the following prompts Low frequency cal Connect the calibrator to the front panel INPUT jacks Figure 2 5 Select the front input jacks with the INPUTS switch Set the calibrator to output a IV RMS 10Hz sine wave Use the left and right arrow keys and the range keys to adjust the display to agree with the calibrator amplitude then press ENTER If an error is reported after performing this step refe
73. ATING message will be displayed 2 8 Calibration DC volts calibration After the front panel short and open procedure the unit will prompt you for the first DC voltage 10V Perform the following 1 Connect the calibrator to the Model 2010 as shown in Figure 2 2 Wait three minutes to allow for thermal equilibrium before proceeding NOTE Although 4 wire connections are shown the sense leads are connected and Figure 2 2 Calibrator connections for DC volts and ohms portion of comprehensive calibration disconnected at various points in this procedure by turning calibrator external sense on or off as appropriate If your calibrator does not have provisions for turning external sense on and off disconnect the sense leads when external sensing is to be turned off and connect the sense leads when external sensing is to be turned on Do not exceed t 15V peak on sense LO to LO This will cause erroneous readings to be stored during calibration 5700A Calibrator Sense HI Sense HI r Model 2010 Input b HI Output HI z BERE ojo 00 Mia Input Output Q LO IO Sense LO Sense LO Note Use shielded low thermal cables to minimize noise Enable or disable calibrator external sense as indicated in procedure Set t
74. C and AC currents and resistance values Comprehensive AC and DC calibration can be performed any time by an operator either from the front panel or by using the SCPI commands sent either over the IEEE 488 bus or the RS 232 port DC only and AC only calibration may be performed individually if desired NOTE Manufacturing calibration is normally required in the field only if the Model 2010 has been repaired Environmental conditions Conduct the calibration procedures in a location that has Anambient temperature of 18 28 C 65 82 F Arelative humidity of less than 8096 unless otherwise noted Warm up period Allow the Model 2010 Multimeter to warm up for at least two hours before performing calibration If the instrument has been subjected to temperature extremes those outside the ranges stated in the above section allow extra time for the instrument s internal temperature to stabilize Typically allow one extra hour to stabilize a unit that is 10 C 18 F outside the specified temperature range Also allow the test equipment to warm up for the minimum time specified by the manufacturer Line power The Model 2010 Multimeter requires a line voltage of 100V 120V 220V 240V 10 and a line frequency of 45Hz to 66Hz or 360Hz to 440Hz Calibration 2 3 Calibration considerations When performing the calibration procedures Make sure that the equipment is properly warmed up and connected to the appropriate input jacks
75. CODE command Request comprehensive cal lock state 0 locked 1 unlocked Save cal constants to EEROM Send cal date to 2010 Request cal date from 2010 Send next due cal date to 2010 Request next due cal date from 2010 Table B 1 cont Calibration Command Reference B 3 Remote calibration command summary Command Description CALibration PROTected DC DC cal steps STEPO Rear terminal short step STEPI Front terminal short circuit STEP2 Open circuit 5 lt NRf gt 10V DC step STEPA lt NRf gt 10V DC step STEP5 lt NRf gt 100V DC step STEP6 lt NRf gt 10Q 4 wire step 5 7 lt NRf gt 4 wire step 5 8 lt NRf gt 10kQ 4 wire step 5 9 lt NRf gt 100kQ 4 wire step 5 10 lt NRf gt 4 wire step STEP11 lt NRf gt 10mA DC step 5 12 lt NRf gt 100mA DC step STEPI3 lt NRf gt 1A DC step AC AC cal steps STEPI 10mV at 1kHz step STEP2 100mV AC at IKHZ step STEP3 100mV AC at 50kHz step STEPA 1V AC at 1 KHz step STEPS 1V AC at 50kHz step STEP6 10V AC at 1kHz step 5 7 10 AC at 50kHz step STEPS 100V AC at 1kHz step STEPO 100V AC at 50kHz step STEPI0O 700V AC at 1kHz step STEP11 100mA AC at 1kHz step 5 12 1A AC at step STEPI3 2A AC at 1kHz step STEP14 1V AC at 3Hz step STEP15 1V AC at 2 step Notes DC STEPO AC STEP14 and AC STEP15 are one time factory
76. D 1 SEE DETAIL B ALIGN OPENING IN BOTTOM OF ROD OVER 2010 040 FRONT PANEL ASSEMBL A 5 SWITCH SHAFT AND EASE ROD DOWN L 2 PUSH ROD COMPLETELY ONTO SWITCH SHAFT NO 25 Se P WIRE BJ S PER DETAIL A WIRES SHOULD NOT BE WRAPPED AROUND 511 090 aS FU 99 1 FUSE ANY EXCESS OF WIRE SHOULD BE PUSHROD SEE DETAIL A FOR WIRE DRESS REF 2000 802 AND BELOW EDGE OF CHASSIS 3001 312 JACK CURRENT MODEL NEXT ASSEMBLY NEXT PROCESS STEP QTY 2001 322 FRONT REAR SWITCH ROD USED ON Sera IEEE HARDWARE KIT DIMENSIONAL TOLERANCES 775 7 SCREWLOCK FEMALE DO NOT SCALE THIS DRAWING UN ERES adie RTE SLE 0299 1 FUSE SO gae FRONT PANEL CHASSIS ASSEMBLY 4 40x5 16PPHSEM PHIL PAN HEAD SEMS SCREW XX gerta ANG 1 DRN APPR 6 32x IPPHSEM PHIL EA HEAD SEMS SCREW Keithley Instruments Inc E MATERIAL NO CC 38 2 2 CABLE TIE KEITHLEY Cleveland Ohio 44139 XXX 005 FRAC 1 64 2010 05 2001 320 PUSH ROD CONFIDENTIAL PROPRIETARY SURFACE 3 FINISH PT LJ
77. IEEE 488 interface U158 a 9914A GPIA takes care of routine bus overhead such as handshaking while U160 and U161 provide the necessary buffering and drive capabilities 4 8 Troubleshooting Trigger circuits Buffering for Trigger Link input and output is performed by U146 Trigger input and output is controlled by the IRQ4 and PB3 lines of the MPU U164 provides additional logic for the trigger input to minimize MPU control overhead At the factory trigger output is connected to line 1 of the Trigger Link connector resistor R267 installed Trigger input is connected to line 2 of the Trigger Link connector resistor R270 installed Analog circuitry Refer to Figure 4 3 for the following discussion on analog circuitry Figure 4 3 AMPS Analog circuitry block diagram Current Shunts Q165 Q164 K103 R158 R205 R386 R450 DCA AC Switching amp Gain K102 U102 U103 U105 U112 U118 U111 U110 AID spi amp Ohms MUX amp Digital 1 1 de Q101 Q102 Switching Gain Circuitry 1 1 INPUT HI 2 0104 0105 BUFCOM 0163 0177 See Figure 4 2 SSP 0106 qo U176 Q156 Q153 CR132 DCV Divider Ohms I Source R117 Q109 U133 Q123 Q125 0114 Q136 Q124 Q126 Q119 Q166 U123 SENSE HI gt SENSE LO Protection R373 Q121 Q135 Scanner Option Solid State Protection Scanner Output Scanner Scanner Control Inputs
78. ON ON OFF OEE 10 OEE ON OFF OFF ON ON 100kO OFF OFF OFF ON ON IMQ ON OFF OFF OFF ON ON 10 OFF ON OFF OFF ON ON 100MQ OFF ON OFF OFF ON ON Dry circuit 10Q ON OFF ON ON OFF OEE 1000 OFF ON OFF OFF ON ON Table 4 10 DCA signal switching Range K103 Q165 Q164 10mA ON ON OFF 100mA ON OFF ON 1A OFF OFF ON 3A OFF OFF ON Table 4 11 ACA signal switching 0105 U105 0111 0105 U103 0103 Range 103 16 1 16 8 pin 16 pin 1 1A OFF ON ON OFF OFF OFF OFF 3A OFF ON ON ON OFF OFF OFF 4 16 Troubleshooting Table 4 12 through Table 4 16 can be used to trace the analog signal through the A D multi plexer U163 to the final amplifier stage These tables show the MUX lines S3 S4 S6 S7 that are selected for measurement during the SIGNAL phase of the multiplexing cycle Also included are switching states of analog switches U176 that set up the gain for the final amplifier stage U177 Table 4 12 DCV signal multiplexing and gain Signal 0176 U176 U176 Gain U129 Range U163 pin1 pin 8 pin 9 0177 pin 16 100mV 54 OFF OFF OFF X100 ON 1V S4 OFF OFF ON X10 OFF 10V S4 OFF ON OFF XI OFF 100V 54 X10 OFF 1000V 54 OFF ON OFF XI OFF Table 4 13 ACV and ACA signal multiplexing and gain U176 U176 U176 Gain U129 Range 1
79. PLACE CHASS LTR ECA NO REVISIO ENG DATE Add Rev s Del BLKWA 8 32KEPNUT Gue 3 26 03 H 7905 Was 8 325MNUT 2010 HARNESS Was 2010 004 PIN A 219 3A CA 6 32x1 4 PPHSEM IN LBS 4 40x3 4PPH IN LBS 8 2010 1608 SCANNER BOARD DRESS RIBBON CABLE UNDER TRANSFORMER BOTTOM WIRES 4 IN LBS 12 IN LBS TO TIGHTEN NUT 6 TR 299 TRANSFORMER SEE DETAIL B FOR WIRING 0 307A SUPPORT BRACKET A 2001 366 1A RFI CLIP INSTALL ON TAB BETWEEN EARS SNAPS IN PLACE gt 7 CC 37 CABLE CLAMP USE 1 7725 CABLE CLAMP FOR TR 299 BOTTOM WIRES EDGE OF CLAMP NEXT TO BEND IN S BOTTOM INSTALL 3 1 2 FU 96 4 FUSE FROM FRONT EDGE OF CHASSIS 2010 060 CHASSIS BJ ASSEMBLY PART NO QTY DESCRIPTION 2010 060 CHASSIS BJ ASSEMBLY 2010 1608 SCANNER BOARD ASSEMBLY 2000 311A CARD GUIDE SHTELD f CA 219 3A CABLE 2001 366 1 RFI CLIP f i 1 A WAT ej 428 319A FOOT 2 REQ D 2 p H 135 FUSE HOLDER CH FU 96 4 FUSE 1 4 FH 35 1 FUSE HOLDER 6 32x1 4PFH 1 1 POWER MODULE IF VOLTAGE 1 NOT SET TO 120 2 REQ D 8 IN LBS TR 299 TRANSFORMER 010 0 4 101374PPR 5 SUIL PAN HEAD SCREW PULL FUSE HOLDER SECTION OUT 2010 201 51 Front Panel Chassis Ass y 6 32x 4PFH 2 PHIL FLAT HEAD SCREW AND ROTATE HOLDER UNTIL PROPER er it FOOT 2 REQ D MODEL NEXT
80. Press EXIT to abort calibration at this point or press any other key to return to the calibration process NOTE The Model 2010 will not respond to any remote programming commands while the ABORT CAL message is displayed 2 6 Calibration Front panel calibration Use the following steps for comprehensive DC only and AC only calibration procedures The procedures for front panel calibration include Preparing the Model 2010 for calibration Front panel short and open calibration DC voltage calibration Resistance calibration DC current calibration AC voltage calibration AC current calibration Setting calibration dates Preparing the Model 2010 for calibration 1 Turnonthe Model 2010 and allow it to warm up for at least two hours before performing calibration procedure 2 Start the calibration process as follows A Access the calibration menu by pressing SHIFT then CAL B Use the up and down range keys to scroll through the available calibration menu items until the unit displays RUN and then press ENTER C Atthe prompt enter the calibration code The default code is 002010 Use the left and right arrow keys to move among the digits use the up range key to increment numbers and press the down range key to specify alphabetic letters Confirm the code by pressing ENTER D Choose N at the prompt to proceed without changing the code and then press ENTER 3 Choose which of the calibration tests summari
81. R 418 215 R130 164 183 186 191 193 315 RES 100K 1 100MW THICK FILM R 418 100K 340 R137 143 152 154 177 230 343 RES 49 9K 1 100MW THICK FILM R 418 49 9K 349 361 364 402 424 R142 RES 10 5 125MW METAL FILM R 375 10 R145 156 161 178 184 187 213 2 RES 100 1 100MW THICK FILM R 418 100 48 257 321 322 351 R146 RES 1 1M 5 125MW METAL FILM R 375 1 1M 6 6 Replaceable Parts Table 6 1 cont Mother board parts list Circuit desig Description Keithley part no R147 RES 732K 1 1000MW THICK FILM R 418 732K R153 RES NET 3 6K MICRO DIVIDER TF 246 1 R155 169 339 387 388 427 RES 4 99K 1 1000MW THICK FILM R 418 4 99K R157 342 RES 511 1 100MW THICK FILM R 418 511 R158 RES 1 1 2W 4 TERMINAL MOLDED R 342 1 R172 RES 1 100MW THICK FILM R 418 1M R185 372 385 398 RES 1K 1 125mW METAL FILM R 391 1K R189 RES 6 65K 1 125MW METAL FILM R 391 6 65K R194 RES 644 196 3W 300V METAL FOIL R 449 644 R195 RES 64 4K 1 3W 300V METAL FOIL R 449 64 4K R196 212 217 220 221 264 RES 2 21K 1 1000MW THICK FILM R 418 2 21K R201 204 229 231 233 238 244 RES 4 75K 1 100MW THICK FILM R 418 4 75K R202 319 327 328 337 338 389 RES 10K 1 100MW THICK FILM R 418 10K 390 433 445 R205 RES 10 5 1 8W METAL FILM R 246 10 R214 218 422 441 RES 2K 1 100MW THICK FILM R 418 2K R215 RES 49 9K 1 125MW METAL FILM R 391 2 87K R216 RES 2 49K 1 125MW METAL
82. RRENT INPUT 2001 313C COVER 2000 307C COVER PANEL SCANNER 2001 372A DISPLAY LENS 2010 304A FOOT 428 319A FOOT EXTRUDED FE 22A FOOT RUBBER FE 6 FRONT PANEL 2001 302G FRONT PANEL OVERLAY 2000 303A FRONT PANEL PRINTED 2010 301A FRONT REAR SWITCH ROD 2001 322A FUSE HOLDER FH 35 1 FUSE 0 25A FU 96 4 FUSE 3A 250 FU 99 1 JACK CURRENT INPUT 2001 312D JACK CURRENT INPUT V 2001 312D LINE MODULE PM 1 1B MOTHERBOARD SHIELD 2000 306B MOUNTING EAR LEFT 428 338B MOUNTING EAR RIGHT 428 328E POWER ROD 2001 320A REAR PANEL 2000 308 SWITCHPAD 2000 310A TRANSFORMER TR 299B WIRE 16GA GRN YEL SC 73 5 6 11
83. STEP9 700V AC at 1kHz 700 000V 1kHz CAL PROT AC STEP10 AC current calibration Follow these steps for AC current calibration 1 Connect the calibrator to the AMPS and INPUT LO terminals of the Model 2010 as shown in Figure 2 3 2 Perform the calibration steps summarized in Table 2 12 For each step Set the calibrator to the indicated current and frequency and make sure the unit is in operate You must use the stated current and frequency Send the indicated programming command Wait until the Model 2010 completes each step before continuing Calibration 2 19 Table 2 12 AC current calibration programming steps Calibration step Calibrator current frequency Calibration command 100mA at 1kHz 100 0000mA 1kHz 11 1A at 1 2 1 000000A 1kHz CAL PROT AC STEPI12 2 at 1kHz 2 000000A 1kHz CAL PROT AC STEP13 Programming calibration dates Program the present calibration date and calibration due date by sending the following commands CAL PROT DATE year month day CAL PROT NDUE year month day For example the following commands assume calibration dates of 12 15 95 and 3 14 96 respectively CAL PROT DATE 1995 12 15 CAL PROT NDUE 1996 3 14 NOTE Han incorrect date is sent an error will be generated Saving calibration constants After completing the calibration procedure send the following command to save the new calibration
84. To determine how many times the Model 2010 has been calibrated Format cal prot coun Response n Calibration count Description The COUNt command lets you determine how many times the Model 2010 has been calibrated Note Use the COUNt command to help you monitor for unauthorized calibration procedures Example CAL PROT COUN Request number of times the unit has been calibrated Calibration Command Reference B 5 CALibration PROTected INITiate Purpose To initiate comprehensive and factory calibration procedures Format cal prot init Description The INIT command enables Model 2010 calibration when performing these procedures over the bus This command must be sent to the unit after sending the CODE command but before sending any other DC AC or manufacturing calibration command Note The INIT command should be sent only once before performing either DC AC or factory calibration Do not send INIT before each calibration step Example CAL PROT INIT Initiate calibration LOCK CALibration PROTected LOCK Purpose To lock out comprehensive or manufacturing calibration Format cal prot lock Description The LOCK command lets you lock out both comprehensive and manufacturing calibration after completing those procedures Thus LOCK performs the opposite of enabling calibration with the CODE command Note To unlock comprehensive calibration send the CODE command To unlock manufacturing calib
85. XT PROCESS STEP QTY USED ON 0 303 STAKING REF 2010530 0 10H DISPLAY BOARD ASSEMBLY OT SCALE THIS DRAWING DATE 7 18 95 SCALE EE TITLE 00 3038 OVERLAY SO FRONT PANEL ASSEMBLY OP6 10 304 DISPLAY LENS XX 015 ANG 1 DRN Mat bera LJS 00 3104 CONDUCTIVE RUBBER SWITCH TENE EORR 01 311 2 P C BOARD STOP ders Wem E Res 005 ERO 21764 PS E 2010 040 CONFIDENTIAL PROPRIETARY SURFACE MAX Za FUELS 52 050 0104 DETAIL B WHT VIO POWER MODULE TRANSFORMER WIRING AN PLACE CC 38 2 CABLE TIE AROUND ALL WIRES INSTALL AFTER GROUND WIRE IS INSTALLED TO CHASSIS AX 2010 HARNESS SC 73 GRN YEL a2 A 2000 31 IA CARD GUIDE SHIELD PLACE LARGE SLOT ON STUDS IN CHASSIS SLIDE GUIDE UNTIL STUDS LOCK INTO SMALL 6 32KEPNUT 10 GRN YEL FROM MODULE LUG MUST DRESS TOWARDS REAR PANEL 1 1 POWER MODULE SEE DETAIL B FOR WIRING IN LBS SLOT 6 2 REQ D 4 4 40x3 8 PPH J 8 32KEPNUT mE REQ D USE T 7895 A 2 gd J 7s CC 31
86. Y IC 768 U104 170 171 IC MOSFET DRIVER TLP591B IC 877 U106 109 121 130 134 182 IC 8 STAGE SHIFT STORE MC14094BD IC 772 U107 108 172 IC PHOTO DARLINGTON TRANS IC 911 U110 IC TRMS TO DC CONVERTER 637JR IC 796 0112 J FET OP AMP 0825 966 6 8 Replaceable Parts Table 6 1 cont Mother board parts list Circuit desig Description Keithley part no U114 168 173 IC DUAL J FET OP AMP OP 282GS IC 968 U115 120 IC QUAD COMPARATOR LM339D IC 774 U116 IC DARLINGTON ARRAY ULN2003L IC 969 U117 145 IC VOLT COMPARATOR LM311M IC 776 U123 IC DUAL PICOAMP OP AMP AD706JR IC 910 U124 IC 5V REGULATOR 500mA 7805 IC 93 U131 178 IC VOLT COMPARATOR LM393D IC 775 U133 176 IC CMOS ANAL SWITCH DG444DY IC 866 U135 IC 16BIT MICROPROCESSOR MC68306FC16 LSI 154 U136 IC SERIAL EPROM 24LC16B LSI 153 U137 184 IC OP AMP AD744KR IC 1068 U138 INTEGRATED CIRCUIT OPA177GS IC 960 U139 166 IC DUAL BIPOLAR OP AMP LT1124CS8 IC 955 10141 IC PRECISION REFERENCE LM399 196 600A U142 IC OP AMP NE5534D IC 802 U144 IC LOW DROPOUT REGULATOR LM295T 962 0146 NAND GATES INVERT 7 14 656 U147 164 192 IC DUAL D TYPE F F 74HC74 IC 773 U148 153 IC QUAD 2 IN NOR 74 02 IC 809 U149 IC NCHAN LAT DMOS QUADFET SD5400CY IC 893 U150 155 IC OPTOCOUPLER 2601 IC 239 U151 152 IC 32KX8 STAT CMOS RAM D43256C LSI 93 100 U154 IC QUAD D FLIP FLOP W CLK RESET 74HC175 IC 923 U156 PROGRAMMED ROM 20
87. actors sr A 6 Calibration Command Reference IntrodUCtoh aer unan Sua NSS ete des B 2 Command summary a B 2 Miscellaneous calibration commands B 4 DC calibration commands eee B 8 AC calibration commands sura B 12 Manufacturing calibration commands B 14 Remote error reporting rra B 14 Error summary rra B 15 H M 17 Status byte EA V Error Available bit B 17 Generating an SRQ on error rra B 17 Detecting calibration step completion B 17 Using the OPC query rra B 17 Using OPC command rra B 18 Generating an SRQ on calibration complete B 18 Calibration Program Itt dU CON i a C 2 Computer hardware requirements rra C 2 Software requirements a C 2 Calibration equipment ra C 2 General program instructions rra C 3 M 1 1 List of Illustrations 1 Figure 1 1 Figure 1 2 Figure 1 3 Figure 1 4 Figure 1 5 Figure 1 6 Figure 1 7 Figure 1 8 2 Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 2 6 Figure 2 7 3 Figure 3 1 4 Figure 4 1 Figure 4 2 Figure 4 3 5 Figure 5 1 Performance Verification Connections for DC volts verification aa 1 6 Connections for AC volts verification 2 1 7 Connectio
88. and 3A ranges AC SYSTEM SPEEDS 25 FUNCTION RANGE CHANGE 6 4 5 AC NOTES AUTORANGE TIME lt 3 s 1 Specifications are for SLOW rate and sinewave inputs gt 5 of range ASCII READINGS TO RS 232 19 2K BAUD 4 50 s 2 Speeds are for 60Hz 50Hz operation using factory default operating conditions RST Auto zero off Auto range off Display off includes MAX INTERNAL TRIGGER RATE 4 300 5 measurement and binary data transfer out the GPIB MAX EXTERNAL TRIGGER RATE 4 300 s 3 0 01 of step settling error Trigger delay 400ms 4 Trigger delay 0 5 DETector BANDwidth 300 NPLC 0 01 ADDITIONAL LOW FREQUENCY ERRORS 6 Maximum useful limit with trigger delay 175ms of reading 7 Applies to non sine waves gt 5Hz and 500Hz Guaranteed by design for SLOW MED FAST Crest Factors gt 4 3 8 Applies to 0 18 C and 28 50 C 20 Hz 30 Hz 0 0 3 v 9 For signal levels gt 2 2A add additional 0 4 to of reading uncertainty 30Hz 50Hz 0 0 HR 10 Typical uncertainties Typical represents two sigma or 95 of manufac 50 Hz 100 Hz 0 0 1 0 tured units measure lt 0 35 of reading and three sigma or 99 7 lt 100 Hz 200 Hz 0 0 0 18 1 06 of reading 200 Hz 300 Hz 0 0 0 10 gt 300 Hz 0 0 0 HW 9 5 03 Rev C 2010 Low Noise Multimeter FREQUENCY AND PERIOD CHARACTERISTICS 12 RESOLUTION ACCURACY ACV FREQUENCY PERIOD GATE ppm of 90 Day 1 Year RANGE RANGE RANGE TIME reading of reading
89. and accessories as defined in the specifications and operating information and as shown on the instrument or test fixture panels or switching card When fuses are used in a product replace with the same type and rating for continued protection against fire hazard Chassis connections must only be used as shield connections for measuring circuits NOT as safety earth ground connections If you are using a test fixture keep the lid closed while power is applied to the device under test Safe operation requires the use of a lid interlock Screw is present connect it to safety earth ground using the wire recommended in the user documentation The symbol on an instrument indicates that the user should refer to the operating instructions located in the documentation The symbol on an instrument shows that it can source or measure 1000 volts or more including the combined effect of normal and common mode voltages Use standard safety precautions to avoid personal contact with these voltages The N symbol on an instrument shows that the surface may be hot Avoid personal contact to prevent burns The E symbol indicates a connection terminal to the equipment frame If this symbol is on a product it indicates that mercury is present in the display lamp Please note that the lamp must be properly disposed of according to federal state and local laws The WARNING heading in the user documentation explains dangers that might resul
90. and then routed to the display board Each DC supply uses a rectifier and a capacitive filter and many supplies use an IC regulator Table 4 1 summarizes rectifier filter and regulator circuits for the various DC supplies Table 4 1 Power supply components Supply Rectifier Filter Regulator 5VD CR104 C156 C175 U144 37V CR116 CR117 C104 U101 15V CR102 C148 U180 15V CR102 C131 U179 5V 5VRL CR103 C146 U124 25V CR136 CR140 CR141 C281 25 CR137 CR138 CR139 C284 _ 18V CR102 _ _ 18V CR102 _ _ 20V 279 281 U187 Troubleshooting Figure 4 1 CR104 5VD Power supply block diagram C175 C156 U144 O D Common CR116 CR117 7 C108 U101 O D Common Line Power Power O Switch bizio Transformer CR102 O 15V C131 C148 A Common U179 U180 15V 5V 5VRL O A Common O 18V CR102 CR136 O A Common CR137 CR138 18V CR139 CR140 CR141 C281 25V C284 A Common 25 20 O A Common 4 6 Troubleshooting Display board Display board components are shown in the digital circuitry block diagram in Figure 4 2 Microcontroller U401 is the display board microcontroller that controls the display and interprets key data The microcontroller uses three internal peripheral I O ports for the various control and read functions Display data is serially transmitted to the microcontroller from the digital section via th
91. arrow keys and the range keys to set the calibration date and then press ENTER 2 The unit will then prompt you to enter the next calibration due date with this prompt CAL NDUE mm dd yy Use the left and right arrow keys and the range keys to set the calibration due date and then press ENTER 3 The unit will prompt you to save new calibration constants with this message SAVE CAL YES To save the new constants press ENTER If you do not want to save the new constants press the down range key to toggle to NO and then press ENTER NOTE Calibration constants calculated during the current calibration procedure will not be saved unless you choose the YES option Previous calibration constants will be retained if you select NO If an incorrect date is entered the INVALID DATE message will be displayed The menu will remain until a valid date is entered Calibration 2 13 Remote calibration Use the following steps to perform comprehensive DC only and AC only calibration procedures by remote See Appendix B for a detailed list and description of SCPI calibration commands When sending calibration commands be sure that the Model 2010 completes each step before sending the next command You can do so by observing the front panel CALIBRATING message or by detecting the completion of each step over the bus The procedures for calibrating the Model 2010 using SCPI commands include Preparing the Model 2010 for calibration Fron
92. ary to independently verify the accuracy of temperature measurements As long as the DC volts and ohms functions meet or exceed their respective specifications temperature function accuracy is automatically verified However temperature verification procedures are provided below for those who wish to separately verify temperature accuracy Thermocouple temperature 1 Connect the DC voltage calibrator output terminals to the Model 2010 INPUT jacks using low thermal shielded connections Use 2 wire connections similar to those shown in Figure 1 1 2 Configure the Model 2010 for C units type J temperature sensor and 0 C simulated reference junction as follows A B F Ea Press SHIFT then SENSOR and note the unit displays the temperature units UNITS C If necessary use the cursor and range keys to select C units Press ENTER and note the unit displays the sensor type SENS TCOUPLE Use the cursor and range keys to select a thermocouple type temperature sensor Press ENTER The unit then displays the thermocouple type TYPE J Select a type J temperature sensor and then press ENTER The unit displays the reference junction type JUNC SIM Make sure the simulated reference junction type is selected and then press ENTER The unit displays the current simulated reference junction temperature SIM 023 Using the cursor and range keys set the reference junction temperature to 0 C and then press ENTER to complete t
93. ate AC voltages at specific frequencies from the AC voltage calibrator to the Model 2010 inputs and verifying that the displayed readings fall within specified ranges CAUTION Do not exceed 1000V peak between INPUT HI and INPUT LO or 8 x 1 07 VeHz input because instrument damage may occur Follow these steps to verify AC voltage accuracy 1 Connect the Model 2010 HI and LO INPUT jacks to the AC voltage calibrator as shown in Figure 1 2 Figure 1 2 5725 Amplifier Connect to calibrator Connections for AC volts verification Note 5725 Amplifier required only for 700V 50kHz output 000 000 Model 2010 Input HI Output HI GO O LO Output LO Shielded cable 5700A Calibrator Output AC Voltage 2 Select the AC volts function by pressing the ACV key Set the Model 2010 for the 100mV range make sure that REL is disabled 4 Source IKHz and 50kHz AC voltages for each of the ranges summarized in Table 1 3 and make sure that the respective Model 2010 readings fall within stated limits p Table 1 3 ACV reading limits Reading limits 1 year 18 28 ACV Applied range AC voltage 1kHz 50kHz 100mV 100 0000mV_ 99 910 to 100 090mV 99 830 to 100 170mV 1V 1 000000 0 99910 to 1 00090V 0 99830 to 1 00170V
94. ation that the user should incorporate immediately into the manual Addenda are numbered 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 Revision includes a revised copy of this print history page Revision A Document Number 2010 902 01 nnne Revision B Document Number 2010 902 01 sa Addendum B Document Number 2010 902 02 eese Revision C Document Number 2010 902 01 Revision D Document Number 2010 902 01 sr All Keithley product names are trademarks or registered trademarks of Keithley Instruments Inc Other brand names are trademarks or registered trademarks of their respective holders September 1999 September 1999 Safety Precautions The following safety precautions should be observed before using this product and any associated instrumentation Although some instruments and accessories would normally be used with non hazardous voltages there are situations where hazardous conditions may be present This product is intended for use by qualified personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury Read and follow all installation operation and maintenance information carefully before using the product Refer to the user documentation
95. ations ranges and input signal values A 6 Specifications Additional derating factors In some cases additional derating factors must be applied to calculate certain accuracy values For example an additional derating factor of 0 02ppm V must be added to DCV specifications for voltages over 500V Before calculating accuracy study the associated specifications very carefully to see if any derating factors apply Calibration Command Reference B 2 Calibration Command Reference Introduction This appendix contains detailed information about the various Model 2010 remote calibration commands Section 2 of this manual covers detailed calibration procedures For information about additional commands to control other instrument functions refer to the Model 2010 User s Manual Command summary Table B 1 summarizes Model 2010 calibration commands Table B 1 Remote calibration command summary Command Description CALibration Calibration root command PROTected All commands in this subsystem are protected by the calibration lock CODE lt up to 8 char string COUNt INITiate LOCK SAVE DATE lt year gt lt month gt day DATE NDUE year month day NDUE except queries and CODE Calibration code or password default KI002010 Request the number of times the unit has been calibrated Initiate calibration Lock out calibration opposite of enabling cal with
96. bration Command Reference B 15 Error summary Table B 4 summarizes Model 2010 calibration errors Table B 4 Calibration error summary Error number Description 400 10 vdc zero error 401 100 vdc zero error 402 10 vdc full scale error 403 10 vdc full scale error 404 100 vdc full scale error 405 100 vdc full scale error 406 1k 2 w zero error 407 10k 2 w zero error 408 100k 2 w zero error 409 10M 2 w zero error 410 10M 2 w full scale error 411 10M 2 w open error 412 1k 4 w zero error 413 10k 4 w zero error 414 100k 4 w zero error 415 10M 4 w sense lo zero error 416 1k 4 w full scale error 417 10k 4 w full scale error 418 100k 4 w full scale error 419 1M 4 w full scale error 420 10M 4 w full scale error 421 10m ade zero error 422 100m adc zero error 423 10m adc full scale error 424 100m adc full scale error 425 1 adc full scale error 438 Date of calibration not set 439 Next date of calibration not set 440 Gain aperture correction error 450 100m vac dac error 451 1 vac dac error 452 10 vac dac error 453 100 vac dac error B 16 Calibration Command Reference Table B 4 cont Calibration error summary Error number Description 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478
97. brium Press in and hold the OPEN key while turning on the power Press SHIFT then CAL select RUN then enter the appropriate calibration code default 002010 Select ALL at the CAL RUN prompt Press ENTER Perform the entire front panel comprehensive calibration procedure discussed earlier in this section See Comprehensive calibration earlier in this section Connect the synthesizer to the Model 2010 front panel INPUT jacks as shown in Figure 2 7 Select the front input jacks with the INPUTS switch After the last AC current calibration step the instrument will prompt you to enter 3Hz at 1V RMS and 1kHz with the following prompts Low frequency cal Set the synthesizer to output a RMS 3Hz sine wave Use the left and right arrow keys and the range keys to adjust the display to agree with the synthesizer amplitude you measured previously then press ENTER Frequency cal Set the synthesizer to output a RMS 1kHz sine wave Enter 1 000000kHz at the prompt then press ENTER Set the calibration dates then save calibration to complete the process Calibration 2 25 Remote manufacturing calibration firmware A13 and lower 1 Connect the low thermal short to the rear panel input Jacks and select the rear inputs with the INPUTS switch Allow three minutes for thermal equilibrium 2 Press in and hold the OPEN key while turning on the power 3 Enable calibration by sending the CODE command For example
98. calibration rrura 2 5 Front panel calibration rra 2 6 Preparing the Model 2010 for calibration 2 6 Front panel short and open calibration 2 7 DC volts calibration rra 2 8 Resistance calibration rra 2 9 DC current calibration rra 2 10 AC voltage calibration rra 2 11 AC current calibration rra 2 12 Setting calibration dates rr 2 12 Remote calibration iiic tette 2 13 Preparing the Model 2010 for calibration 2 14 Short and open calibration rrun 2 14 DC volts calibration rra 2 15 Resistance calibration rra 2 16 DC current calibration rra 2 17 AC voltage calibration 2 18 AC current calibration rra 2 18 Programming calibration dates rra 2 19 Saving calibration constants ra 2 19 Locking out calibration rra 2 19 Manufacturing calibration rra 2 20 Firmware revision level rra 2 20 Recommended test equipment rra 2 20 Test equipment connections 2 2 21 Unlocking manufacturing calibration 2 22 Calibration for firmware revision A14 and higher 2 22 Calibration for firmware revision A13 and lower 2 24 Routine Maintenance Introd ctiom u 3 2 Setting the line voltage and replacing the line fuse 3 2 Replacing the AMPS fuse rrua 3 3 Troubleshooting Introd ction EE 4 2 Repair considerations atara a errar 4 2 Power on self test aurata arraia e
99. crews that secure the case to the chassis They are located on the bottom of the case at the back 5 Remove Cover To remove the case grasp the front bezel of the instrument and carefully slide the chassis forward Slide the chassis out of the metal case NOTE To gain access to the components under the motherboard shields remove the shields which are secured to the motherboard by their appropriate screw Changing trigger link lines The Model 2010 uses two lines of the Trigger Link rear panel connector as External Trigger EXT TRIG input and Voltmeter Complete VMC output At the factory line 1 is configured as VMC and line 2 as EXT TRIG NOTE Line 1 3 or 5 of the Trigger Link can be configured as VMC while line 2 4 or 6 can be configured as EXT TRIG You can change trigger link line configurations by moving the position of resistors inside the unit Perform the following steps to change trigger link lines WARNING Make sure the instrument is disconnected from the power line and other equipment before performing the following procedure Disassembly 5 5 Figure 5 1 Trigger link connectors Remove the cover from the instrument as explained in Case cover removal The resistors used to select the trigger link lines are located next to the Trigger Link connector as shown in Figure 5 1 The resistors are actually solder beads that bridge pc board pads If the factory default lines are selected the solder beads will be
100. current 1 year 18 C 28 C 10mA 10 0000mA 9 994200 to 10 005800mA 100mA 100 0000mA_ 99 94200 to 100 05800mA 1A 1 000000A 0 9991200 to 1 0008800A 3A 2 20000A 2 197240 to 2 202760A Source positive and negative currents with values shown Performance Verification 1 9 Verifying AC current Check AC current accuracy by applying accurate AC current at specific frequencies from the AC current calibrator to the Model 2010 input and verifying that the displayed readings fall within specified limits Follow these steps to verify AC current 1 Connect the Model 2010 AMPS and INPUT LO jacks to the calibrator as shown in Figure 1 4 2 Select the AC current function by pressing the ACI key Set the Model 2010 for the 1A range 4 Source 1A and 2 2A 1kHz full scale AC currents as summarized in Table 1 5 and verify that the readings are within stated limits bei Figure 1 4 Connections for AC Model 2010 current verification Output HI CO C O Input Q Amps Outs 5700 Calibrator Output AC Current Table 1 5 ACI limits ACI Applied DC Reading limits range current 1 year 18 28 1kHz lA 1 000000A 0 99860 to 1 00140A 3A 2 20000A 2 1949 to 2 2051A 1 10 Performance Verification Verify
101. d the response to clear the standard event status register or 2 Send the CLS command to clear the status registers Note that sending CLS will also clear the error queue and operation complete status Generating an SRQ on calibration complete An IEEE 488 bus SRQ service request can be used to detect operation complete instead of repeatedly polling the Model 2010 To use this method send both ESE 1 and SRE 32 to the instrument then include the OPC command at the end of each calibration command line as covered above Refer to your controller s documentation for information on detecting and servicing SRQs Calibration Program C 2 Calibration Program Introduction This appendix includes a calibration program written in BASIC to help you in calibrate the Model 2010 Refer to Section 2 for more details on calibration procedures equipment and connections Computer hardware requirements The following computer hardware is required to run the calibration program BM PC AT or compatible computer Keithley KPC 488 2 KPS 488 2 or KPC 488 2AT or CEC PC 488 IEEE 488 interface for the computer Two shielded IEEE 488 connecting cables Keithley Model 7007 Software requirements In order to use the calibration program you will need the following software Microsoft QBasic supplied with MS DOS 5 0 or later MS DOS version 5 0 or later HP style Universal Language Driver CECHP EXE supplied with
102. drawing 2010 050 as a reference and replace the wires as follows Top wire Gray Right top Violet Right bottom White Left top Red Left bottom Blue Remove the two nuts that secure the transformer to the bottom of the chassis Pull the black ground wire off the threaded stud and remove the power transformer from the chassis WARNING To avoid electrical shock which could result in injury or death the black ground wire of the transformer must be connected to chassis ground When installing the power transformer be sure to re connect the black ground wire to the mounting stud on bottom of the chassis Power module removal Perform the following steps to remove the power module 1 Remove motherboard Unplug the transformer wires that attach to the power module at the rear panel During re assembly use drawing 2010 050 as a reference and replace the wires as follows Top wire Gray Right top Violet Right bottom White Left top Red Left bottom Blue Disassembly 5 9 3 Disconnect the power module s ground wire This green and yellow wire connects to a threaded stud on the chassis with a kep nut 4 Squeeze the latches on either side of the power module while pushing the module from the access hole WARNING To avoid electrical shock which could result in injury or death the ground wire of the power module must be connected to chassis ground When installing the power module be sure to re connect the green a
103. e use the Model 2010 left and right arrow keys and the range keys to adjust the Model 2010 display to agree with the calibrator resistance Press the ENTER key to calibrate each point Wait for the Model 2010 to complete each step before continuing Table 2 4 Ohms calibration summary Calibration step Calibrator resistance Allowable range 100 100 90 to 110 1kQ IKU 0 9kQ to 1 1kQ 10kQ IUK 9kQ to 11kQ 100kQ 100kQ 90kQ to 110kQ IMO IMO 0 9MQ to 1 1MQ Nominal resistance Adjust Model 2010 calibration parameter to agree with actual value 2 10 Calibration DC current calibration After the 1MQ resistance point has been calibrated the unit will prompt you for 10mA Follow these steps for DC current calibration 1 Connect the calibrator to the AMPS and INPUT LO terminals of the Model 2010 as shown in Figure 2 3 Figure 2 3 5700A Calibrator Connections for DC and AC amps Model 2010 dak comprehensive calibration Output HI d OOD C CO o C Amps GO C Q Output LO Note Be sure calibrator is set for normal current output 2 Calibrate each current step summarized in Table 2 5 For each step Set the calibrator to the indicated DC current and make sure the unit is in operate Make sure the Model 2010 display indicates the
104. e 2 9 Table 2 10 Table 2 11 Table 2 12 Table 2 13 Table 2 14 3 Table 3 1 4 Table 4 1 Table 4 2 Table 4 3 Table 4 4 Table 4 5 Table 4 6 Table 4 7 Table 4 8 Performance Verification Recommended verification equipment rr 1 3 DCV gata ala tetra 1 6 reading limits rra e edi oe edere Ges 1 7 Ib olini 1 8 ACT DUTE GU Er EE M ee 1 9 Limits for resistance verification rra 1 11 Thermocouple temperature verification reading limits 1 12 Four wire RTD temperature verification reading limits 1 13 Calibration Recommended equipment for comprehensive DC only or AC only calibration iiec eerte gaurr 2 5 Comprehensive calibration procedures ra 2 6 DC volts calibration summary rr 2 9 Ohms calibration summary rr 2 9 DC current calibration summary rra 2 10 AC voltage calibration summary rra 2 11 AC current calibration summary rrura 2 12 DC voltage calibration programming steps eee 2 15 Resistance calibration programming steps ra 2 16 DC current calibration programming steps 2222222 2 17 AC voltage calibration programming steps rra 2 18 AC current calibration programming steps rra 2 19 Recommended equipment for manufacturing calibration 2 20 frequency errors 2 2 23 Routine Maintenance Power line fuse eaa Rt ete Pria etr tenete c
105. e TXB line to the microcontroller RDI terminal In a similar manner key data is serially sent back to the digital section through the RXB line via TDO The 4MHz clock for the microcontroller is generated by crystal Y401 Display DS401 is the display module which can display up to 12 alphanumeric characters and includes the various annunciators The display uses a common multiplexing scheme with each character refreshed in sequence U402 and U403 are the drivers for the display characters and annunciators Note that data for the drivers is serially transmitted from the microcontroller MOSI and PC1 Filament voltage for the display is derived from the power supply transformer F1 and F2 The display drivers require 37VDC and 5VDC which are supplied by U144 5VD and U101 37V Key matrix The front panel keys S401 S430 are organized into a row column matrix to minimize the number of microcontroller peripheral lines required to read the keyboard A key is read by strobing the columns and reading all rows for each strobed column Key down data is interpreted by the display microcontroller and sent back to the main microprocessor using proprietary encoding schemes Digital circuitry Refer to Figure 4 2 for the following discussion on digital circuitry Microprocessor U135 is a 68306 microprocessor that oversees all operating aspects of the instrument The MPU has a 16 bit data bus and provides an 18 bit address bus It also has
106. e keys set the unit for the following display TYPE PT385 F Press ENTER to complete the temperature configuration process moo p Select the temperature function by pressing the TEMP key 4 Set the decade resistance box to each of the values shown in Table 1 8 and verify that the temperature readings are within the required limits Table 1 8 Four wire RTD temperature verification reading limits Reading limits C Applied resistance 1 year 18 28 22 800 190 14 189 86 100 000 0 08 to 0 08 313 590 599 86 to 600 14 C Based on a 0 00385 See text 1 14 Performance Verification Verifying frequency Follow the steps below to verify the Model 2010 frequency function Connect the frequency synthesizer to the Model 2010 INPUT jacks See Figure 1 7 Set the synthesizer to output a IKHz RMS sine wave Select the Model 2010 frequency function by pressing the FREQ key Verify that the Model 2010 frequency reading is between 0 99992kHz and 1 00008kHz didi GE Figure 1 7 BNC to Dual Model 3930A or 3940 Synthesizer Connections for Banana Plug frequency verification Model 2010 Adapter fell Main Function 50Q BNC Coaxial Cable Verifying ratio CAUTION When verifying ratio or using sense volts the SENSE LO terminal must be referenced to INPUT
107. e unit The drawings are located at the end of this section Front Panel Assembly 2010 040 Chassis Transformer Power Module Assembly 2010 050 Front Panel Chassis Assembly 2010 051 e Chassis Assembly 2010 052 5 4 Disassembly Case cover removal Follow the steps below to remove the case cover to gain access to internal parts WARNING _ Before removing the case cover disconnect the line cord and any test leads from the instrument 1 Remove Handle The handle serves as an adjustable tilt bail Adjust its position by gently pulling it away from the sides of the instrument case and swinging it up or down To remove the handle swing the handle below the bottom surface of the case and back until the orientation arrows on the handles line up with the orientation arrows on the mounting ears With the arrows lined up pull the ends of the handle away from the case 2 Remove Mounting Ears Remove the screw that secures each mounting ear Pull down and out on each mounting ear NOTE When re installing the mounting ears make sure to mount the right ear to the right side of the chassis and the left ear to the left side of the chassis Each ear is marked RIGHT or LEFT on its inside surface 3 Remove Rear Bezel To remove the rear bezel loosen the two captive screws that secure the rear bezel to the chassis Pull the bezel away from the case 4 Removing Grounding Screws Remove the two grounding s
108. g signal switching states at the end of this section for a summary of switching states of these FETs for the various DCV and OHMS ranges Note that the reference current for OHMS is generated by the Ohms I Source circuit For 4 wire ohms measurements SENSE LO is connected to the circuit by controlling U163 Signal switching and gain for ACV FREQ and ACA is done by the AC Switching amp Gain circuit which is primarily made up of K102 U102 U103 U105 U112 U118 U111 and U110 See Analog signal switching states Note that U111 is used for frequency adjustment The states of these analog switches vary from range to range Multiplexer and A D converter All input signals except FREQ are routed to the A D MUX amp Gain circuit The multiplexer U163 switches the various signals for measurement In addition to the input signal the multiplexer also switches among reference and zero signals at various phases of the measurement cycle When the input signal is selected by the MUX it is amplified by a composite operational amplifier made up of Q156 and U177 Tables in Analog signal switching states at the end of this section provide the switch states of U176 which determine the gain for Q156 and U177 The multiplexed signals of the measurement cycle are routed to the A D Converter U165 where it converts the analog signals to digital form The digital signals are then routed through an opto isolator to the MPU to calculate a reading
109. ge 6142 4 50 44 1 5 PLC 7 100nV 110nV 11 12ygV 60 dB 140 dB 562 4 260 220 0 1 1 PLC 6 120nV 125nV L3gV 14 60 dB 140 dB 4 490 440 01 0 1 PLC 5 1 9 pV 19gV ION 11 5 80 dB 564 1000 1000 0 04 0 01 4 29 135pV 139 80 dB 4 4 2000 1800 0 01 DC NOTES DC SYSTEM 5 535 1 For the following ranges add 4ppm to the range accuracy specification 100mV 100 1000 10 RANGE CHANGE 2 50 s 42 s FUNCTION CHANGE 2 45 s 38 s AUTORANGE TIME 29 lt 30ms lt 35ms ASCII READINGS TO RS 232 19 2K BAUD 55 s 55 s MAX INTERNAL TRIGGER RATE 2000 s 2000 s MAX EXTERNAL TRIGGER RATE 480 s 480 s RATIO SPEED 2 10 5 8 5 DC GENERAL LINEARITY OF 10VDC RANGE 2ppm of reading 1ppm of range DCV 2 TEMPERATURE CONTINUITY DIODE TEST INPUT PROTECTION 1000V all ranges MAXIMUM LEAD RESISTANCE 5 of range per lead for 100 1000 and 1kQ ranges 1kQ per lead for all other ranges DC CURRENT INPUT PROTECTION 3A 250V fuse SHUNT RESISTOR 0 10 for and 1A ranges 10 for 100mA range 100 for 10mA range CONTINUITY THRESHOLD Adjustable 10 to 10000 OVERRANGE 120 of range except on 1000V 3A and Diode OFFSET COMPENSATION Available for 10kQ and lower ranges only 15 16 17 18 100mA and 1A Dry Circuit function add 40ppm Speeds include measurement and binary data transfer out the GPIB Speeds
110. he calibrator to output DC volts and turn external sense off Perform the steps listed in Table 2 3 to complete DC volts calibration For each calibration step Set the calibrator to the indicated value and make sure it is in operate Press the ENTER key to calibrate that step Wait until the Model 2010 finishes each step The unit will display the CALIBRATING message while calibrating Calibration NOTE lfyour calibrator cannot output the values recommended in Table 2 3 use the left and right arrow keys and the up and down range keys to set the Model 2010 display value to match the calibrator output voltage Table 2 3 DC volts calibration summary Calibration step Calibrator voltage Allowable range 10V 10 00000V 9V to 11V 10V 10 00000V 9V to 11V 100V 100 0000V 90V to 110V Resistance calibration Completing the 100V DC calibration step ends the DC voltage calibration procedure The Model 2010 will then prompt you to connect 10Q Follow these steps for resistance calibration 1 Set the calibrator output for resistance and turn on external sense NOTE Use external sense 4 wire 2 when calibrating all resistance ranges Be sure that the calibrator external sense mode is turned on 2 Perform the calibration steps summarized in Table 2 4 For each step Set the calibrator to the indicated value and place the unit in operate If the calibrator cannot output the exact resistance valu
111. he temperature configuration process Select the temperature function by pressing the TEMP key 4 Source each of the voltages summarized in Table 1 7 and verify that the temperature readings are within limits Be sure to select the appropriate thermocouple type for each group of readings See step 2 Table 1 7 Thermocouple temperature verification reading limits Thermocouple Applied DC Reading limits type voltage 1 year 18 28 J 7 659mV 190 60 to 189 40 C OmV 0 50 to 0 50 C 42 281mV 749 50 to 750 50 C K 5 730mV 190 60 to 189 40 C OmV 0 50 to 0 50 C 54 138mV 1349 20 to 1350 80 C Voltages shown are based on ITS 90 standard using 0 C reference junction temperature See text for procedure to set reference junction temperature Performance Verification 1 13 RTD temperature 1 Connect the precision decade resistance box listed in Table 1 1 to the Model 2010 INPUT and SENSE jacks using 4 wire connections See Figure 1 1 for a similar connecting scheme 2 Configure the Model 2010 temperature function for C units and RTD temperature sensor 0 0 00385 as follows A Press SHIFT then SENSOR and note the unit displays the temperature units UNITS C Press ENTER and note the unit displays the sensor type SENS TCOUPLE Using the cursor and range keys set the display as follows SENS 4W RTD Press ENTER and note the unit displays TYPE PT100 Using the cursor and rang
112. hley part number Factory service If the instrument is to be returned to Keithley Instruments for repair perform the following Call the Repair Department at 1 800 552 1115 for a Return Material Authorization RMA number Complete the service form at the back of this manual and include it with the instrument Carefully pack the instrument in the original packing carton Write ATTENTION REPAIR DEPARTMENT and the RMA number on the shipping label Component layouts The component layouts are provided in the following pages Motherboard 2010 250 pages 1 and 2 Connector board 2010 250 pages 1 and 2 Display board 2010 110 pages 1 and 2 Replaceable Parts 6 3 Table 6 1 Mother board parts list Circuit desig Description Keithley part no 101 DUAL HIGH CMR SPEED HCPL 2631 IC 588 C101 103 111 116 118 122 124 CAP 1UF 1096 25V CERAMIC C 495 1 128 133 135 136 138 139 142 149 152 153 159 163 167 170 173 174 178 180 183 186 187 190 193 197 198 201 208 210 212 218 221 223 225 227 230 232 233 249 250 290 299 C102 CAP 01UF 10 1000V CERAMIC C 64 01 C104 CAP 100UF 20 63V ALUM ELEC C 403 100 C105 CAP 22UF 20 400V FILM C 513 22 C106 CAP 15P 1 100V CERAMIC C 512 15P C107 117 147 151 182 185 191 CAP 1UF 20 50V CERAMIC C 418 1 194 199 234 237 259 261 263 279 280 282 283 285 287 291 293 294 C109 CAP 2 2UF 20 63V POLYCARB C 480 2 2 C110 14
113. ibration steps are only performed at the factory or when the unit has been repaired CALibration PROTected AC STEP14 IN AC at 3Hz CALibration PROTected AC STEP15 1V AC at IKHz CALibration PROTected DC STEPO Rear terminal short circuit ACSSTEP 14115 CALibration PROTected AC STEP 14 15 gt Purpose To program individual AC manufacturing calibration steps Format cal prot ac stepl4 Cal voltage cal prot ac stepl5 Cal frequency Parameter Cal voltage 1 nominal Cal frequency 1E3 1kHz nominal Description The AC STEP14 and AC STEP 15 commands program the two manufacturing AC calibration steps The appropriate signal must be connected to the instrument when programming each step as summarized by the parameters listed above Examples CAL PROT AC STEP14 1 Program AC step 14 CAL PROT AC STEP15 1E3 Program AC step 15 DC STEPO CALibration PROTected DC STEPO Purpose To perform rear terminal short circuit calibration Format cal prot dc stepO Description STEPO performs the rear short circuit calibration step in the manufacturing calibration procedure Connect a low thermal short Model 8610 to the rear panel input jacks and select the rear inputs before sending this command Example CAL PROT DC STEPO Perform rear short circuit calibration Remote error reporting Methods to detect and determine the nature of calibration errors are discussed in the following paragraphs Cali
114. ibrator Rev 1 0 9 11 95 OPEN IEEE FOR OUTPUT AS 1 Open IEEE 488 output path OPEN IEEE FOR INPUT AS 2 Open IEEE 488 input path PRINT 1 INTERM CRLF Set input terminator PRINT 1 OUTTERM LF Set output terminator PRINT 1 REMOTE 4 16 Put 2010 5700A in remote PRINT 1 CLEAR Send DCL PRINT 1 OUTPUT 16 SYST PRES CLS Initialize 2010 PRINT 1 OUTPUT 16 ESE 1 SRE 32 Enable OPC and SRO PRINT 1 OUTPUT 4 RST CLS STBY Reset 5700A calibrator PRINT 1 OUTPUT 4 CUR POST NORMAL Normal current output C CAL PROT 2010 partial command header 1 CLS Clear CRT PRINT Model 2010 Multimeter Comprehensive Calibration Program PRINT 1 OUTPUT 16 CAL PROT CODE KI002010 Send KI002010 cal code PRINT 1 OUTPUT 16 CAL PROT INIT Initiate calibration GOSUB ErrCheck RESTORE CmdList FOR I 1 TO 26 Loop for all cal points READ Msg Cmd Read message cal strings SELECT CASE I Select cal sequence CASE 1 2 PRINT Msg GOSUB KeyCheck CASE 3 PRINT Connect calibrator to INPUT and SENSE jacks PRINT Wait 3 minutes GOSUB KeyCheck PRINT 1 OUTPUT 4 EXTSENSE OFF PRINT 1 OUTPUT 4 Msg PRINT 1 OUTPUT 4 OPER CASE 4 5 12 13 15 TO 23 25 26 PRINT 1 OUTPUT 4 Msg PRINT 1 OUTPUT 4 OPER CASE 6 TO 10 PRINT 1 OUTPUT 4 Msg PRINT 1 OUTPUT 4 EXTSENSE ON PRINT 1 OUTPUT 4 OPER PRINT 1 OUTPUT 4 OUT P RINT H
115. ing resistance Check resistance by connecting accurate resistance values to the Model 2010 and verifying that its resistance readings are within the specified limits CAUTION Do not apply more 1000V peak between INPUT HI and LO or more than 350V peak between SENSE HI and LO or instrument damage could occur Follow these steps to verify resistance accuracy 1 Using shielded 4 wire connections connect the Model 2010 INPUT and SENSE jacks to the calibrator as shown in Figure 1 5 Figure 1 5 5700A Calibrator Sense HI 5 4 Sense HI resistance verification Model 2010 10Q 10MQ ranges Sense LO Sense LO Note Use shielded low thermal cables to minimize noise Enable or disable calibrator external sense as indicated in procedure 2 Setthe calibrator for 4 wire resistance with external sense on Select the Model 2010 4 wire resistance function by pressing the 04 key 4 Set the Model 2010 for the 10Q range and make sure the FILTER is on Set the calibrator output to 0Q then enable Model 2010 REL 5 Recalculate reading limits based on actual calibrator resistance values p Performance Verification 1 11 6 Source the nominal full scale resistance values for the 10Q 10MQ ranges summarized in Table 1 6 and verify that the readings are within calculated limi
116. ion for more information Calibration cycle Perform comprehensive calibration at least every other year once a year or every 90 days to ensure the unit meets the corresponding specifications Recommended equipment Calibration Table 2 1 lists the recommended equipment you need for comprehensive DC only and AC only calibration procedures You can use alternate equipment such as a DC transfer standard and characterized resistors as long as that equipment has specifications at least as good as those listed in the table Table 2 1 Recommended equipment for comprehensive DC only or AC only calibration Fluke 57004 calibrator AC voltage AC current DC voltage 1kHz 50kHz DC current 1kHz Resistance 10V t5ppm 10mV 710ppm 10mA 60ppm 100mA 190ppm 10Q 28ppm 100V 7ppm 100mV 200ppm 100mA 70ppm 1 690 1kQ 12ppm 1 0 82 1A 110ppm 2A 670ppm 10kQ 1 1ppm 10 82 100kQ 13ppm 100 90 1MQ 18ppm 700V 85ppm Keithley 8610 Low thermal shorting plug IkHz specifications 10mV and 700V points require 1kHz only All calibrator specifications are 90 day 23 C 5 specifications and indicate total absolute uncertainty at specified output Aborting calibration You can abort the front panel calibration process at any time by pressing EXIT The instrument will then ask you to confirm your decision to abort with the following message ABORT CAL
117. ists additional troubleshooting will be required Disassembly 5 2 Disassembly Introduction This section explains how to handle clean and disassemble the Model 2010 Multimeter Disassembly drawings are located at the end of this section Handling and cleaning To avoid contaminating PC board traces with body oil or other foreign matter avoid touching the PC board traces while you are repairing the instrument Motherboard areas covered by the shields have high impedance devices or sensitive circuitry where contamination could cause degraded performance Handling PC boards Observe the following precautions when handling PC boards Wear cotton gloves Only handle PC boards by the edges and shields Do not touch any board traces or components not associated with repair Do not touch areas adjacent to electrical contacts Use dry nitrogen gas to clean dust off PC boards Solder repairs Observe the following precautions when soldering a circuit board Use an OA based organic activated flux and take care not to spread the flux to other areas of the circuit board Remove the flux from the work area when you have finished the repair by using pure water with clean foam tipped swabs or a clean soft brush Once you have removed the flux swab only the repair area with methanol then blow dry the board with dry nitrogen gas After cleaning allow the board to dry in a 50 C low humidity envir
118. ith parameter limits Table B 2 DC calibration commands Command Description e meter imits CALibration PROTected DC STEP1 Front terminal short circuit STEP2 Open circuit STEP3 lt NRf gt 10V DC calibration step 9 to 11 STEP4 lt NRf gt 10V DC calibration step 9 to 11 STEP5 lt NRf gt 100V DC calibration step 90 to 110 STEP6 lt NRf gt 10Q 4 wire calibration step 91011 STEP7 lt NRf gt 1kQ 4 wire calibration step 900 to 1 1E3 5 8 lt NRf gt 10kQ 4 wire calibration step 9E3 to 11E3 STEP9 lt NRf gt 100kQ 4 wire calibration step 90E3 to 110E3 5 0 4 wire calibration step 900E3 to 1 1E6 STEP11 lt NRf gt 10mA DC calibration step 9E 3 to 11E 3 STEP12 lt NRf gt 100mA DC calibration step 90E 3 to 110E 3 STEP13 lt NRf gt 1A DC calibration step 0 9 to 1 1 STEP1 CALibration PROTected DC STEP1 Purpose Format Description Example To perform front terminal short circuit calibration cal prot dc stepli STEPI performs the short circuit calibration step in the comprehensive calibration procedure Connect a low thermal short Model 8610 to the front panel input jacks before sending this command CAL PROT DC STEP1 Perform short circuit calibration Calibration Command Reference B 9 STEP2 CALibration PROTected DC STEP2 Purpose To perform front terminal open circuit calibration Format cal prot dc step2 Descri
119. mA 15 9 36 9 52 9 90 10 8 6 1 0000000 5 100 1 mA 15 2 33 2 50 2 80 2 8 1 10 000000 5 1 mQ 100 pA 15 2 32 2 50 2 80 2 8 1 100 00000 10 mQ 10 pA 15 4 40 4 70 4 120 4 8 1 1 0000000 18 100 mQ 10 pA 20 3 50 4 70 4 125 4 8 1 10 000000 MQ 1018 h D 640 nA 10MO 150 4 200 4 400 4 500 4 70 1 100 00000 MQ 1018 10 Q 640 nA 10MQ 800 4 1500 4 1500 4 1800 4 385 1 Dry Circuit 10 00000 10 1 mA 20 mV 25 90 50 90 70 90 120 90 8 60 Resistance 15 100 0000 Q 100 uQ 100 pA 20 mV 25 90 50 90 70 90 120 90 8 60 Current 10 000000 mA 10 nA 015 V 60 30 300 80 500 80 740 80 50 5 100 00000 mA 100 nA 018 V 100 300 300 800 500 800 740 800 50 5 1 0000000 1 pA 035 V 2004 30 500 80 800 80 1200 80 50 5 3 000000 A 10 pA EVI 1000 15 1200 40 1200 40 1800 40 50 5 Continuity 2W 1kQ 100 mQ 1 mA 40 100 100 100 120 100 190 10 8 1 Diode Test 10 000000 V 1 uV 1mA 20 6 30 7 40 7 55 7 8 1 4 400000 V 1 100 pA 20 6 30 7 40 7 55 7 8 1 10 000000 V 1 10 pA 20 6 30 7 40 7 55 7 8 1 DCV DCV 100 mV Ratio accuracy accuracy of selected sense input range Ratio 16 101000 V accuracy of selected input range DC OPERATING CHARACTERISTICS 5 DC NOISE PERFORMANCE FUNCTION DIGITS READINGS s PLCs RMS NOISE RMS NOISE DCV all ranges 7 4 3 5 100mV RANGE 10V RANGE DCI all ranges and 6126 30 27 1 RATE DIGITS 10sec 2min 10sec 2min NMRR CMRR 12 Ohms lt 10M ran
120. malin RR SE OUS FRAc 1 64 MATERIA I cem ooo Wo m A e PEUT CONFIDENTIAL PROPRIETARY SURFACE 63 FINISH F 5 1 OF 2 C a B
121. n Keithley part no C413 CAP 22UF 20 6 3 TANTALUM C 417 22 C401 402 411 CAP 1UF 20 50V CERAMIC C 418 1 C406 408 CAP 33PF 10 100V CERAMIC C 451 33P C414 CAP 47PF 10 100V CERAMIC C 451 47P C403 405 407 409 CAP 1UF 1096 25V CERAMIC C 495 1 410 412 CR401 402 DIODE MBRO0520LTI RF 103 DS401 DISPLAY DD 52 P1014 CABLE ASSEMBLY CA 123 16A R419 RES 10M 5 125MW METAL FILM R 375 10M R405 408 410 412 RES 12 1 1 125MW METAL FILM R 391 12 1 R420 421 RES 10K 1 10OMW THICK FILM R 418 10K R413 RES 13K 1 100MW THICK FILM R 418 13K R401 404 406 409 RES 15K 1 100MW THICK FILM R 418 15K 411 415 416 0401 PROGRAMMED ROM 2000 800 U402 403 IC LATCHED DRIVERS UCN 5812EPF 1 IC 732 IC 8 BIT MICROCON MC68HC705C8P PLCC LSI 105 Y401 CRYSTAL 4MHZ CR 36 4 Order current firmware revision level Table 6 3 Connector board parts list Circuit desig Description Keithley part no C101 CAP 1UF 10 25V CERAMIC C 495 1 C302 305 CAP 47P 596 100V CERAMIC C 465 47P J1034 CONN MALE RT ANGLE 32 PIN CS 456 P1017 CABLE ASSEMBLY CA 123 14A R196 RES 2 21K 1 1OOMW THICK FILM R 418 2 21K Replaceable Parts Table 6 4 Mechanical parts list Description Keithley part no BANANA JACK PUSH IN BLACK BJ 13 0 BANANA JACK PUSH IN RED BJ 13 2 BEZEL REAR 428 303D CARD GUIDE SHIELD 2000 311A CHASSIS 2000 305 CHASSIS ASSEMBLY 2000 309F CHASSIS ASSEMBLY 2010 6 CONTACT CU
122. nalog circuit section see Figure 4 3 0101 0102 0153 0114 0136 0109 K101 0113 0105 0104 0108 0167 K102 0103 0105 0111 0133 0123 0125 0124 0126 0120 K103 0164 0165 0163 0177 0176 SSP Solid State Protection DCV Divider DCV amp Ohms Switching AC Switching amp Gain Ohms I Source Current Shunts A D Mux amp Gain 4 18 Troubleshooting No comm link error A No Comm Link error indicates that the front panel processor has ceased communication with the main processor which is located on the mother board This error indicates that there may be a problem with the cable connection from the front panel display or one of the main processor ROMs may require re seating in its socket Check to be sure there is a proper cable connection from the front panel display ROMs may be reseated as follows 1 Turn off the power and disconnect the line cord and all other test leads and cables from the instrument 2 Remove the case cover as outlined in Section 5 3 Find the two firmware ROMs U156 0157 located on the mother board These are the only ICs installed in sockets Refer to the component layout drawing at the end of Section 6 for exact locations 4 Carefully push down on each ROM IC to make sure it is properly seated in its socket CAUTION Be careful not to push down excessively or you might crack the mother board 5 Connect the line cord and turn on the power If the problem pers
123. nd yellow ground wire to the threaded stud on the chassis Instrument re assembly Re assemble the instrument by reversing the previous disassembly procedures Make sure that all parts are properly seated and secured and that all connections are properly made To ensure proper operation replace and securely fasten the shield WARNING To ensure continued protection against electrical shock verify that power line ground green and yellow wire attached to the power module and the power transformer ground black wire are connected to the chassis OvO O102 2000 3038 REF 2010 301B SS SN PART NO LTR ECA NO REVISION ENG DATE AS 24283 2010 110 1 Was 2010 011 11 ST 4 3 00 A6 24623 2010 1106 WAS 2010 110FI ST 1 24 00 Al 24934 2010 303 WAS 2010 303C CHG D PART LIST ST 9 21 00 A8 26114 Add T 1188 ST 1 22 02 A9 2142 2010 110H Was 2010 1106 ST 1 8 02 STEP 2 ANANAS 3 ET 2 REQ D 2010 110H DISPLAY BOARD ASS Y SNAP TOP OF BOARD INTO FRONT PANEL REF FRONT PANEL RUBBER SWITCH 5 2010 3048 DISPLAY LENS DO NOT REMOVE GREEN MASK FROM THE LENS USE T 7788 2000 310A CONDUCTIVE P C BOARD STOP PLACE ON FRONT PANEL TABS AND SLIDE TOWARDS OUTSIDE EDGE OF PANEL 2010 2010 051 FP CHASSIS ASS Y MODEL NEXT ASSEMBLY NE
124. ns for DC current verification aaa 1 8 Connections for AC current verification aa 1 9 Connections for resistance verification 10Q 10MQ ranges 1 10 Connections for resistance verification LOOMQ range 1 11 Connections for frequency verification rr 1 14 VOT YING 1 14 Calibration Low thermal short connections aaa 2 7 Calibrator connections for DC volts and ohms portion of comprehensive calibration 2 8 Connections for DC AC amps comprehensive calibration 2 10 Connections for AC volts calibration 2 11 Calibrator connections for manufacturing calibration firmware revision A14 and higher 2 21 Function generator connections for manufacturing calibration firmware revision A14 and higher 2 21 Synthesizer connections for manufacturing calibration firmware revision A13 and lower 2 22 Routine Maintenance Power ua AEE 3 2 Troubleshooting Power supply block diagram rrua 4 5 Digital circuitry block diagram rra 4 7 Analog circuitry block diagram 2 4 8 Disassembly Trigger link connectors rrua 5 5 List of Tables 1 Table 1 1 Table 1 2 Table 1 3 Table 1 4 Table 1 5 Table 1 6 Table 1 7 Table 1 8 2 Table 2 1 Table 2 2 Table 2 3 Table 2 4 Table 2 5 Table 2 6 Table 2 7 Table 2 8 Tabl
125. oepit Troubleshooting Power supply components rra 4 4 Display board checks eite EAR 4 10 Power supply gala 4 11 Digital circuitry checks rrua 4 12 DCV signal switching ith lettore ines 4 13 and FREQ signal switching rra 4 13 QA signal Switching sortiert REF SERE RR Re rex e pueda 4 14 SKA RURA LSA 4 14 Table 4 9 Table 4 10 Table 4 11 Table 4 12 Table 4 13 Table 4 14 Table 4 15 Table 4 16 Table 4 17 6 Table 6 1 Table 6 2 Table 6 3 Table 6 4 B Table B 1 Table B 2 Table B 3 Table B 4 2 O4 reference switching rra 4 15 DCA signal switching tier 4 15 signal switching antera araka aeta 4 15 DCV signal multiplexing and gain rrura 4 16 and ACA signal multiplexing and gain rrura 4 16 DCA signal multiplexing and gain rrura 4 16 02 signal multiplexing and gain rrura 4 17 OA signal multiplexing and gain rrura 4 17 Circuit section locations for switching devices a 4 17 Replaceable Parts Mother board parts list sur 6 3 Display board lagu A etre reme teneas 6 10 Connector board parts list rra 6 10 Mechanical Ar 6 11 Calibration Command Reference Remote calibration command summary ra B 2 DC calibration commands a B 8 AC calibration commands sua B 12 Calibration error summary B 15 Performance Verification 1 2 Performance Verification Introduction Use the procedures in this section to verify that the Model
126. onment for several hours Disassembly 5 3 Static sensitive devices CMOS devices operate at very high impedance levels Therefore any static that builds up on you or your clothing may be sufficient to destroy these devices if they are not handled properly Use the following precautions to avoid damaging them CAUTION Many CMOS devices are installed in the Model 2010 Handle all semiconductor devices as being static sensitive Transport and handle ICs only in containers specially designed to prevent static build up Typically you will receive these parts in anti static containers made of plastic or foam Keep these devices in their original containers until ready for installation Remove the devices from their protective containers only at a properly grounded work station Also ground yourself with a suitable wrist strap Handle the devices only by the body do not touch the pins Ground any printed circuit board into which a semiconductor device is to be inserted to the bench or table Use only anti static type desoldering tools Use only grounded tip solder irons Once the device is installed in the PC board it is normally adequately protected and you can handle the boards normally Assembly drawings Use the following assembly drawings to assist you as you disassemble and re assemble the Model 2010 Also refer to these drawings for information about the Keithley part numbers of most mechanical parts in th
127. ow additional time for the instrument s internal temperature to stabilize Typically allow one extra hour to stabilize a unit that is 10 C 18 F outside the specified temperature range Performance Verification 1 3 Also allow the test equipment to warm up for the minimum time specified by the manufacturer Line power The Model 2010 Multimeter requires a line voltage of 100V 120V 220V 240V 10 and a line frequency of 45Hz to 66Hz and 360Hz to 440Hz Recommended test equipment Table 1 1 summarizes recommended verification equipment Use the Fluke Model 5700A Calibrator or the equivalent to verify Model 2010 Multimeter measurement accuracy You can use alternate equipment as long as that equipment has specifications at least as good as those listed in Table 1 1 Keep in mind however that the calibrator will add to the uncertainty of each measurement Table 1 1 lists the uncertainties of the recommended Fluke 5700A at each source value Table 1 1 Recommended verification equipment Fluke 5700A Calibrator AC voltage AC current DC voltage 1kHz SOkHz DC current 1kHz Resistance 100mV 14ppm 100mV 200ppm 10mA 60ppm 1A 690ppm 100 28 1 0 7 1 0 82 100mA 70ppm 2 2A 682ppm 100 17ppm 10V 5ppm 10V 82ppm 1A 110ppm 1kQ 12ppm 100 7 100 90 2 2 94 10kQ 1 1ppm 1000 9 700 85 100kQ 13ppm 1MQ 18ppm 10MQ 37ppm 100MQ 1
128. panel input jacks Also make sure that the front panel input jacks are selected with the INPUTS switch Donotuse autoranging for any verification tests because autorange hysteresis may cause the Model 2010 to be on an incorrect range For each test signal you must manually set the correct range for the Model 2010 using the range keys Make sure the calibrator is in operate before you verify each measurement Always let the source signal settle before taking a reading Do not connect test equipment to the Model 2010 through a scanner or other switching equipment WARNING maximum common mode voltage voltage between INPUT LO and chassis ground is 500V peak Exceeding this value may cause a breakdown in insulation creating a shock hazard Some of the procedures in this section may expose you to dangerous voltages Use standard safety precautions when such dangerous voltages are encountered to avoid personal injury caused by electric shock 1 6 Performance Verification Verifying DC voltage Check DC voltage accuracy by applying accurate voltages from the DC voltage calibrator to the Model 2010 INPUT jacks and verifying that the displayed readings fall within specified limits Follow these steps to verify the DC voltage CAUTION Do not exceed 1000V peak between INPUT HI and INPUT LO because instrument damage may occur 1 Connect the Model 2010 HI and LO INPUT jacks to the DC voltage calibrator as shown in Figure 1 1
129. ption STEP2 performs the open circuit calibration step in the comprehensive calibration procedure Disconnect all cables and accessories from the input jacks before sending this command Example CAL PROT DC STEP2 Perform open circuit calibration STEP3 CALibration PROTected DC STEP3 Program To program the 10V comprehensive calibration step Format cal prot dc step3 Cal voltage Parameter Cal voltage 9 to 11 V Description STEP3 programs the 10V DC comprehensive calibration step The allowable range of the calibration voltage parameter is from 9 to 11 but 10 is recommended for best results Example CAL PROT DC STEP3 10 Program 10V step STEPA CALibration PROTected DC STEP4 Purpose To program the 10V DC comprehensive calibration step Format cal prot dc step4 Cal voltage Parameter Cal voltage 9 to 11 V Description STEP4 programs the 10V DC comprehensive calibration step The allow able range of the calibration voltage parameter is from 9 to 11 but 10 is recommended for best results Example CAL PROT DC STEP4 10 Program 10V step STEPS CALibration PROTected DC STEP5 Purpose To program the 100V DC comprehensive calibration step Format cal prot dc step5 Cal voltage Parameter Cal voltage 90 to 110 V Description STEPS programs the 100V DC comprehensive calibration step The allow able range of the calibration voltage parameter is from 90 to 110 but 100 i
130. qualified service personnel only Do not perform these procedures unless you are qualified to do so Some of these procedures may expose you to hazardous voltages that could cause personal injury or death Use caution when working with hazardous voltages Repair considerations Before making any repairs to the Model 2010 be sure to read the following considerations CAUTION The PC boards are built using surface mount techniques and require specialized equipment and skills for repair If you are not equipped andlor qualified it is strongly recommended that you send the unit back to the factory for repairs or limit repairs to the PC board replacement level Without proper equipment and training you could damage a PC board beyond repair Repairs will require various degrees of disassembly However it is recommended that the Front Panel Tests be performed prior to any disassembly The disassembly instructions for the Model 2010 are contained in Section 5 of this manual Do not make repairs to surface mount PC boards unless equipped and qualified to do so see previous CAUTION When working inside the unit and replacing parts be sure to adhere to the handling precautions and cleaning procedures explained in Section 5 Many CMOS devices are installed in the Model 2010 These static sensitive devices require special handling as explained in Section 5 Whenever a circuit board is removed or a component is replaced the Model 2010 must be
131. r to Table 2 14 for troubleshooting Frequency cal Connect the function generator to the front panel INPUT jacks Figure 2 6 Set the generator to output a 1V RMS 1kHz sine wave Enter 1 000000kHz at the prompt then press ENTER 8 Setthe calibration dates then save calibration to complete the process Table 2 14 10Hz frequency errors Revision A13 and lower Revision A14 and higher 1V 3Hz calibration No 499 error Error 499 Correct results Failed cal step 1V 10Hz calibration No 499 error No 499 error Incorrect results Correct results Remote manufacturing calibration firmware A14 and higher 1 Connect the low thermal short to the rear panel input jacks and select the rear inputs with the INPUTS switch Allow three minutes for thermal equilibrium 2 Press in and hold the OPEN key while turning on the power 3 Enable calibration by sending the CODE command For example the default command is CAL PROT CODE K1002010 4 Initiate calibration by sending the following command CAL PROT INIT 5 Calibrate step 0 with the following command CAL PROT DC STEPO 6 Perform the entire remote comprehensive calibration procedure discussed earlier in this section See Comprehensive calibration earlier in this section 7 Connect the calibrator to the front panel INPUT jacks Figure 2 5 Select the front input jacks with the INPUTS switch Set the calibrator to outp
132. ration hold in the OPEN key while turning on the power Example CAL PROT LOCK Lock out calibration LOCK CALibration PROTected L OCK Purpose To read comprehensive calibration lock status Format cal prot lock Purpose 0 Comprehensive calibration locked 1 Comprehensive calibration unlocked Description The LOCK query requests status from the Model 2010 on calibration locked unlocked state Calibration must be enabled sending the CODE command before calibration can be performed Example CAL PROT LOCK Request cal lock state B 6 Calibration Command Reference CALibration PROTected SAVE Purpose To save calibration constants in EEROM after the calibration procedure Format cal prot save Description The SAVE command stores internally calculated calibration constants derived during both comprehensive and manufacturing calibration in EEROM EEROM is non volatile memory Calibration constants will be retained indefinitely once saved Generally SAVE is sent after all other calibration steps except for LOCK Note Calibration will be temporary unless the SAVE command is sent to permanently store calibration constants Example CAL PROT SAVE Save calibration constants DATE CALibration PROTected DATE Purpose To send the calibration date to the instrument Format cal prot date year month lt day gt Parameters year 1995 to 2094 month 1 to 12 day 1 to 31
133. re to follow instructions THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE THE REMEDIES PROVIDED HEREIN ARE THE BUYER S SOLE AND EXCLUSIVE REMEDIES NEITHER KEITHLEY INSTRUMENTS INC NOR ANY OF ITS EMPLOYEES SHALL BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF ITS INSTRUMENTS AND SOFTWARE EVEN IF KEITHLEY INSTRUMENTS INC HAS BEEN ADVISED IN ADVANCE OF THE POSSIBILITY OF SUCH DAMAGES SUCH EXCLUDED DAMAGES SHALL INCLUDE BUT ARE NOT LIMITED TO COST OF REMOVAL AND INSTALLATION LOSSES SUSTAINED AS THE RESULT OF INJURY TO ANY PERSON OR DAMAGE TO PROPERTY KEITHLEY A GREATER MEASURE OF CONFIDENCE Keithley Instruments Inc Corporate Headquarters 28775 Aurora Road Cleveland Ohio 44139 440 248 0400 Fax 440 248 6168 1 888 KEITHLEY 1 888 534 8453 www keithley com 3 07 Model 2010 Multimeter Service Manual 1996 Keithley Instruments Inc All rights reserved Cleveland Ohio U S A Fourth Printing October 2003 Document Number 2010 902 01 Rev D Manual Print History The print history shown below lists the printing dates of all Revisions and Addenda created for this manual The Revision Level letter increases alphabetically as the manual undergoes subsequent updates Addenda which are released between Revisions contain important change inform
134. reading limits must be recalculated based on the actual calibration resistance values supplied by the equipment manufacturer Calculations are performed in the same manner as shown in the preceding example except you should use the actual calibration resistance values instead of the nominal values when performing your calculations Restoring factory defaults Before performing the verification procedures restore the instrument to its factory defaults as follows 1 Press SHIFT and then SETUP The instrument will display the following prompt RESTORE FACT NOTE Pressing either range key toggles the RESTORE selection between USER and FACT 2 Select FACT and then restore the factory default conditions by pressing ENTER 3 Factory defaults will be set as follows Speed medium Filter 10 readings Performance Verification 1 5 Performing the verification test procedures Test summary Verification test procedures include DC volts AC volts DC current AC current Resistance Temperature Frequency e Ratio If the Model 2010 is not within specifications and not under warranty see the calibration procedures in Section 2 Test considerations When performing the verification procedures Besure to restore factory defaults as outlined above Restore factory defaults and choose the measurement function to be tested Make sure that the equipment is properly warmed up and connected to the front
135. recalibrated See Section 2 for details on calibrating the unit Power on self test During the power on sequence the Model 2010 will perform a checksum test on its EPROM U156 and U157 and test its RAM U151 and U152 If one of these tests fails the instrument will lock up Troubleshooting 4 3 Front panel tests There are two front panel tests one to test the functionality of the front panel keys and one to test the display In the event of a test failure refer to Display board checks for details on troubleshooting the display board KEY test The KEY test allows you to check the functionality of each front panel key Perform the following steps to run the KEY test 1 Press SHIFT and then TEST to access the self test options Use the up or down RANGE key to display TEST KEY 3 Press ENTER to start the test When a key is pressed the label name for that key is displayed to indicate that it is functioning properly When the key is released the NO KEY PRESS message is displayed 4 Pressing EXIT tests the EXIT key However the second consecutive press of EXIT aborts the test and returns the instrument to normal operation DISP test The display test allows you to verify that each segment and annunciator in the vacuum fluorescent display is working properly Perform the following steps to run the display test 1 Press SHIFT and then TEST to access the self test options Use the up or down RANGE key to display TEST
136. remove the test leads before changing the firmware 1 Remove the case cover as described earlier in this section 2 Locate U156 EVEN and U157 ODD EPROMs on the main PC board They are the only devices installed in chip carriers sockets CAUTION EPROMs U156 and U157 are static sensitive devices Be sure to follow the handling precautions explained in Static sensitive devices 3 Using an appropriate chip extractor remove U156 from its chip carrier 4 Position the new U156 EPROM on the appropriate chip carrier Make sure the notched corner of the chip is aligned with the notch in the chip carrier NOTE sure to install the correct EPROMs at the ODD and EVEN locations The instrument will not function if the EPROMs are installed in the wrong sockets 5 With the EPROM properly positioned push down on the chip until it completely seats into the chip carrier 6 Repeat steps 3 through 5 for EPROM U157 7 After installation make sure the instrument powers up normally before replacing the cover 5 8 Disassembly Removing power components The following procedures for removing the power transformer and or power module require that the case cover and motherboard be removed as previously explained Power transformer removal Perform the following steps to remove the power transformer 1 EO Remove motherboard Unplug the transformer wires that attach to the power module at the rear panel During re assembly use
137. require cleaning if handled according to instructions If the board becomes contaminated and operation is affected the board should be returned to the factory for proper cleaning servicing Table of Contents 1 Performance Verification URU au 1 2 Verification test requirements raa 1 2 Environmental conditions ra 1 2 Warm up AAA 1 2 Line Iq 1 3 Recommended test equipment rra 1 3 Verification limits eine iine tht 1 4 Restoring factory defaults rr 1 4 Performing the verification test procedures 1 5 urrutietara 1 5 Test considerations arrana aro 1 5 Verifying DC voltage raa 1 6 Veritying AC voltage err itatea patatari 1 7 Verifying DC c trent aurata drag 1 8 Verifying AC Current Jeder iro a ite eei ege 1 9 Venifyimg aurrearen 1 10 Verifying temperature sr 1 12 Thermocouple temperature rra 1 12 RTD temperature 22 22 1 13 Verifying frequency 1 14 uuu 6 ET 1 14 2 Calibration pe 2 2 Environmental conditions raa 2 2 Warm up period AAE 2 2 Line S SSS ERE ER UE 2 2 Calibration considerations rra 2 3 Calibration code rra 2 3 Front panel AAA 2 3 Remote command code rra 2 4 Comprehensive calibration rra 2 4 Calibration cycle rra 2 4 Recommended equipment rra 2 5 Aborting
138. rld Highway LLC Company Specifications are subject to change without notice All Keithley trademarks and trade names are the property of Keithley Instruments Inc All other trademarks and trade names are the property of their respective companies KEITHLEY A GREATER MEASURE Q F CO Nika DP E Keithley Instruments Inc Corporate Headquarters 28775 Aurora Road Cleveland Ohio 44139 440 248 0400 Fax 440 248 6168 1 888 KEITHLEY www keithley com 12 06
139. s recommended for best results Example CAL PROT DC STEP5 100 Program 100V step B 10 Calibration Command Reference STEP6 CALibration PROTected DC STEP6 Purpose Format Parameter Description Example To program the 100 4 wire comprehensive calibration step cal prot dc step6 Cal resistance Cal resistance 9 to 11 Q STEP6 programs the 100 4 wire resistance comprehensive calibration step The allowable range of the calibration resistance parameter is from 9 to 11 but 10 is recommended for best results CAL PROT DC STEP6 10 Program 10Q step STEP7 CALibration PROTected DC STEP7 Purpose Format Parameter Description Example To program the 1kQ 4 wire comprehensive calibration step cal prot dc step7 lt Cal_resistance gt lt Cal_resistance gt 900 to 1 1E3 Q STEP7 programs the 1k 4 wire resistance comprehensive calibration step The allowable range of the calibration resistance parameter is from 900 to 1 1E3 but 1E3 is recommended for best results CAL PROT DC STEP7 1E3 Program 1kQ step STEPS CALibration PROTected DC STEP8 Purpose Format Parameter Description Example To program the 10kQ 4 wire comprehensive calibration step cal prot dc step8 Cal resistance Cal resistance 9E3 to 11E3 Q STEPS programs the 10kQ 4 wire resistance comprehensive calibration step The allowable range of the calibration resistance parameter is from 9E3 to 11E3 b
140. switching cards directly to AC mains When connecting sources to switching cards install protective devices to limit fault current and voltage to the card Before operating an instrument make sure the line cord is connected to a properly grounded power receptacle Inspect the connecting cables test leads and jumpers for possible wear cracks or breaks before each use When installing equipment where access to the main power cord is restricted such as rack mounting a separate main input power disconnect device must be provided in close proximity to the equipment and within easy reach of the operator 11 07 For maximum safety do not touch the product test cables or any other instruments while power is applied to the circuit under test ALWAYS remove power from the entire test system and discharge any capacitors before connecting or disconnecting cables or jumpers installing or removing switching cards or making internal changes such as installing or removing jumpers Do not touch any object that could provide a current path to the common side of the circuit under test or power line earth ground Always make measurements with dry hands while standing on a dry insulated surface capable of withstanding the voltage being measured The instrument and accessories must be used in accordance with specifications and operating instructions or the safety of the equipment may be impaired Do not exceed the maximum signal levels of the instruments
141. t 1 9 Verifying AC voltage 1 7 Verifying DC current 1 8 Verifying DC voltage 1 6 Verifying frequency 1 14 Verifying ratio 1 14 Verifying resistance 1 10 Verifying temperature 1 12 Warm up period 1 2 2 2 KEITHLEY Service Form Model No Serial No Date Name and Telephone No Company List all control settings describe problem and check boxes that apply to problem J Intermittent LJ Analog output follows display J Particular range or function bad specify IEEE failure J Obvious problem on power up Batteries and fuses are OK Front panel operational All ranges or functions are bad Checked all cables Display or output check one J Drifts Unable to zero J Unstable Will not read applied input J Overload J Calibration only Certificate of calibration required Data required attach any additional sheets as necessary Show a block diagram of your measurement system including all instruments connected whether power is turned on or not Also describe signal source Where is the measurement being performed factory controlled laboratory out of doors etc What power line voltage is used Ambient temperature F Relative humidity Other Any additional information If special modifications have been made by the user please describe Be sure to include your name and phone number on this service form 12 06 Equipment An Interwo
142. t and rear before replacing the line fuse The power line fuse is located in the power module next to the AC power receptacle see Figure 3 1 If the line voltage must be changed or if the line fuse requires replacement perform the following steps 1 Place the tip of a flat blade screwdriver into the power module by the fuse holder assembly see Figure 3 1 Gently push in and turn to the left Release pressure on the assembly and its internal spring will push it out of the power module Figure 3 1 Model 2010 Power module elitera Sd IEE EE Window Fuse Holder Assembly Routine Maintenance 3 3 2 Remove the fuse and replace it with the type listed in Table 3 1 Table 3 1 Power line fuse Line voltage Rating Keithley part no 100 120V 0 25A slow blow _ FU 96 4 220 240V 0 125 slow blow FU 91 Note 5 x 20mm fuses required CAUTION For continued protection against fire or instrument damage replace the fuse only with the type and rating listed If the instrument repeatedly blows fuses locate and correct the cause of the trouble before replacing the fuse 3 Ifconfiguring the instrument for a different line voltage remove the line voltage selector from the assembly and rotate it to the proper position When the selector is installed into the fuse holder assembly the correct line voltage appears inverted in the window 4 Install the fuse holder assembly into the
143. t in personal injury or death Always read the associated information very carefully before performing the indicated procedure The CAUTION heading in the user documentation explains hazards that could damage the instrument Such damage may invalidate the warranty Instrumentation and accessories shall not be connected to humans Before performing any maintenance disconnect the line cord and all test cables To maintain protection from electric shock and fire replacement components in mains circuits including the power transformer test leads and input jacks must be purchased from Keithley Instruments Standard fuses with applicable national safety approvals may be used if the rating and type are the same Other components that are not safety related may be purchased from other suppliers as long as they are equivalent to the original component note that selected parts should be purchased only through Keithley Instruments to maintain accuracy and functionality of the product If you are unsure about the applicability of a replacement component call a Keithley Instruments office for information To clean an instrument use a damp cloth or mild water based cleaner Clean the exterior of the instrument only Do not apply cleaner directly to the instrument or allow liquids to enter or spill on the instrument Products that consist of a circuit board with no case or chassis e g data acquisition board for installation into a computer should never
144. t panel short and open calibration DC volts calibration Resistance calibration DC current calibration AC volts calibration AC current calibration Programming calibration dates Saving calibration constants Locking out calibration NOTE As with front panel calibration you can choose to perform comprehensive DC only or AC only calibration Be sure to include a space character between each command and parameter 2 14 Calibration Preparing the Model 2010 for calibration 1 Connect the Model 2010 to the IEEE 488 bus of the computer using a shielded IEEE 488 cable such as the Keithley Model 7007 or connect the unit to a computer through the RS 232 port using a straight through 9 pin to 9 pin cable use a 9 25 pin adapter if necessary 2 Turnon the Model 2010 and allow it to warm up for two hours before performing calibration Select the DCV function and choose SLOW as the rate integration time 5PLC 4 Make sure the primary address of the Model 2010 is the same as the address specified in the program that you will be using to send commands Use the GPIB key 5 Unlock the calibration function by sending this command CAL PROT CODE 1002010 9 above command shows the default code KI002010 Substitute the correct code if changed 6 Sendthe following command to initiate calibration Short and open calibration 1 Connect the Model 8610 low thermal
145. t switch and the front input terminal wires as described in earlier in this section 1 Unplug the display board ribbon cable from connector J1014 2 Remove the front panel assembly This assembly has four retaining clips that snap onto the chassis over four pem nut studs Two retaining clips are located on each side of the front panel Pull the retaining clips outward and at the same time pull the front panel assembly forward until it separates from the chassis Disassembly 5 7 3 Using a thin bladed screw driver pry the plastic PC board stop located at the bottom of the display board until the bar separates from the casing Pull the display board from the front panel 4 Remove the switch pad by pulling it from the front panel Main CPU firmware replacement Changing the firmware may be necessary as upgrades become available The firmware revision levels for the main and front panel CPUs are displayed during the power on sequence The main firmware revision level is displayed on the left the front panel firmware revision level is displayed on the right For example REV A01 A02 indicates a main firmware revision level of A01 and a front panel firmware revision level of A02 The firmware for the main CPU is located in the EPROMs U156 EVEN and U157 ODD leadless ICs that reside in chip carriers on the PC board To replace the CPU firmware perform the following WARNING Disconnect the instrument from the power lines and
146. the calibrator to the indicated voltage and make sure the unit is in operate Use the recommended voltage if possible Send the indicated programming command Change the voltage parameter if you are using a different calibration voltage Wait until the Model 2010 completes each step before continuing Table 2 8 DC voltage calibration programming steps Calibration Calibrator Calibration command Parameter step voltage range 10V 10 00000 CAL PROT DC STEP3 10 9 to 11 10V 10 00000V CAL PROT DC STEP4 10 9 to 11 100V 100 0000 _ CAL PROT DC STEP5 100 90 to 110 Change parameter accordingly if using a different calibrator voltage 2 16 Calibration Resistance calibration Follow these steps for resistance calibration 1 Set the calibrator to the resistance mode and turn on external sensing NOTE Use external sense 4 wire 2 when calibrating all resistance ranges Be sure that the calibrator external sense mode is turned on 2 Perform the calibration steps summarized in Table 2 9 For each step Setthe calibrator to the indicated resistance and make sure the unit is in operate Use the recommended resistance or the closest available value Sendthe indicated programming command Change the command parameter if you are using a different calibration resistance than that shown Wait until the Model 2010 completes each step before continuing Table 2 9
147. the status byte by using the STB query or by 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 the output queue repeatedly test MAV again until it clears At this point the calibration step is completed B 18 Calibration Command Reference Using the OPC command The OPC operation complete command can also be used to detect the completion of each calibration step To use OPC to detect the end of each calibration step you must do the following 1 Enable operation complete by sending ESE 1 This command sets the OPC operation complete bit in the standard event enable register allowing operation complete status from the standard event status register to set the ESB event summary bit in the status byte when operation complete is detected Send the OPC command immediately following each calibration command For example CAL PROT DC STEP1 OPC Note that you must include the semicolon to separate the two commands and that the OPC command must appear on the same line as the calibration command After sending a calibration command repeatedly test the ESB Event Summary bit bit 5 in the status byte until it is set Use either the STB query or serial polling to request the status byte Once operation complete has been detected clear OPC status using one of two methods 1 Use the ESR query and then rea
148. ts Table 1 6 Limits for resistance verification Nominal applied Nominal reading limits Q range resistance 1 year 18 C 28 C Recalculated limits 10Q 10Q 9 999310 to 10 000690Q to Q 100Q 1000 99 99390 to 100 006109 to Q IK 10 9999480 to 1 0000520kQ to 10kQ 10kQ 9 999480 to 10 000520kQ to kQ 100kQ 100k 2 99 99260 to 100 00740kQ to kQ IMQ 1 0 9999260 to 1 0000740MQ to MQ 10 0 10MQ 9 995960 to 10 004040MQ to MQ 100MQ 100MQ 99 84960 to 100 15040MQ to MQ See verification limits 7 Connect the Model 2010 INPUT and SENSE jacks to the calibrator as shown in Figure 1 6 8 Disable external sense on the calibrator 9 Set the Model 2010 for the 100 range 10 Source a nominal 100M resistance value and verify that the reading is within calculated limits for the 100 range Figure 1 6 5700A Calibrator Output 2 wire Resistance Connections for Sense HI resistance verification Model 2010 100M range Sense LO Note Use shielded cables to minimize noise Disable calibrator external sense mode 1 12 Performance Verification Verifying temperature Thermocouple and RTD temperature readings are derived from DC volts and ohms readings respectively For this reason it is not necess
149. uery The Model 2010 will respond with the appropriate error message as summarized in Table B 4 Status byte EAV Error Available bit Whenever an error is available in the error queue the EAV Error Available bit bit 2 of the status byte will be set Use the STB query or serial polling to obtain the status byte and then test bit 2 to see if it is set If the EAV bit is set an error has occurred and you can use the SYST ERR query to read the error and at the same time clear bit in the status byte Generating an SRQ on error To program the instrument to generate an IEEE 488 bus SRQ when an error occurs send the SRE 4 command This command will enable SRQ when the EAV bit is set You can then read the status byte and error queue as outlined above to check for errors and to determine the exact nature of the error Detecting calibration step completion When sending remote calibration commands you must wait until the instrument completes the current operation before sending a command You can use either OPC or OPC to help determine when each calibration step is completed Using the OPC query With the OPC operation complete query the instrument will place an ASCII 1 in the output queue when it has completed each step To determine when the OPC response is ready perform the following 1 Repeatedly test the Message Available bit bit 4 in the status byte and wait until it is set You can request
150. uf o E e U U lt C lt 5 Tin n E n N i OO uM Lo to Lo Lo gy JA OO ZE ete a OO 25 e 2 2 u us OO ei eles 101 b E CD CD D ORIBE jS OO ES x ix 244 OO OO i gt Yo S ETSI 99 E ele ele e GO U GA id Ts OO O G os a Y SEA Ge ERO ve FR OO ere ga Za I LOL n zd DIN OO 8367 R283 m SE 2 NM SN N N YN 9 R324 Y R101 du 226 gt C e 5 E 102 m e a AZA rz r P OOOOOO zx D OOOOOOO ce45 m O 219 OOO mo 105 5 55 C103 gt 2 4 zo I M jaja Ge x 2 x x O O O 5 x x C111 pm P E ca ZOR Eze n O T C a u lulu k O O O Z on t 1 ei R111 GO OO OO E EXFL 0 lolo eu C136 U O s R130 ZE a lolo ale Se Q O O ou R172 FIA 0 o n no H H O M O 2 gt gt OO O x R272 T o fr 1 MC cy Gees Q R361 OO O 2 o R364 9 Lu zo 0 KIE ES ecis2 d E3g amp NR154
151. ut 10E3 is recommended for best results CAL PROT DC STEP8 10E3 Program 10kQ step STEP9 CALibration PROTected DC STEP9 Purpose Format Parameter Description Example To program the 100kQ 4 wire comprehensive calibration step cal prot dc step9 Cal resistance Cal resistance 90E3 to 1 10E3 STEP9 programs the 100kQ 4 wire resistance comprehensive calibration step The allowable range of the calibration resistance parameter is from 90E3 to 1 10E3 but 100E3 is recommended for best results CAL PROT DC STEP9 100E3 Program 100kQ step Calibration Command Reference B 11 STEP10 CALibration PROTected DC STEP1 0 Purpose To program the comprehensive calibration step Format cal prot dc stepl0 Cal resistance Parameter Cal resistance 900E3 to 1 1E6 O Description STEP10 programs the 1MQ comprehensive calibration step The allowable range of the calibration resistance parameter is from 900E3 to 1 1E6 Use the 1E6 value whenever possible or the closest possible value Example CAL PROT DC STEP10 Program 1MQ calibration step STEP11 CALibration PROTected DC STEP11 Purpose To program the 10mA comprehensive calibration step Format cal prot dc stepll Cal current Parameter Cal current 9 3 to 1 1E 3 A Description STEP11 programs the 10mA comprehensive calibration step The allowable range of the calibration current parameter is from 9E 3 to 1 1E 3 Use the
152. ut a 1V RMS 10Hz sine wave then send the following command CAL PROT AC STEP14 Cal voltage Here Cal voltage is the actual 10Hz calibrator signal amplitude If an error is reported performing this step see Table 2 14 for troubleshooting 2 24 Calibration 10 Connect the function generator to the Model 2010 INPUT jacks as shown in Figure 2 6 Set the generator to output a 1V RMS 1kHz sine wave then send the following command CAL PROT AC STEPI5 1E3 Send the following commands to set calibration dates save calibration and lock out calibration CAL PROT DATE year month day CAL PROT NDUE year month day CAL PROT SAVE CAL PROT LOCK Calibration for firmware revision A13 and lower Measuring synthesizer signal amplitude The 3Hz synthesizer signal amplitude must be accurately measured using the digital multimeter listed in Table 2 13 Proceed as follows 1 Connect the synthesizer output to the digital multimeter INPUT jacks See Figure 2 7 for typical connections Turn on the synthesizer and multimeter and allow a one hour warm up period before measuring Set the synthesizer to output a 1V RMS sine wave at 3Hz measure and record the signal amplitude Front panel manufacturing calibration firmware A13 and lower 1 Connect the low thermal short to the rear panel input jacks and select the rear inputs with the INPUTS switch Allow three minutes for thermal equili
153. verification test procedures 1 5 Power module removal 5 8 Power supply 4 4 Power supply checks 4 11 Power transformer removal 5 8 Power on self test 4 2 Preparing the Model 2010 for calibration 2 6 2 14 Principles of operation 4 4 Programming calibration dates 2 19 Recommended equipment 2 5 Recommended test equipment 1 3 2 20 Remote calibration 2 13 Remote command code 2 4 Remote error reporting B 14 Remote manufacturing calibration firmware A13 and lower 2 25 Remote manufacturing calibration firmware A14 and higher 2 23 Removing power components 5 8 Repair considerations 4 2 Replaceable Parts 6 1 Replacing the AMPS fuse 3 3 Resistance calibration 2 9 2 16 Restoring factory defaults 1 4 Routine Maintenance 3 1 RS 232 interface 4 7 RTD temperature 1 13 Saving calibration constants 2 19 Setting calibration dates 2 12 Setting the line voltage and replacing the line fuse 3 2 Short and open calibration 2 14 Signal switching 4 9 Software requirements C 2 Solder repairs 5 2 Specifications A 1 Static sensitive devices 5 3 Status byte EAV Error Available bit B 17 Test considerations 1 5 Test equipment connections 2 21 Test summary 1 5 Thermocouple temperature 1 12 Trigger circuits 4 8 Troubleshooting 4 1 4 10 Unlocking manufacturing calibration 2 22 Using the OPC command B 18 Using the OPC query B 17 Verification limits 1 4 Verification test requirements 1 2 Verifying AC curren
154. y for both DC and AC characteristics Calculating DC characteristics accuracy DC characteristics accuracy is calculated as follows Accuracy ppm of reading ppm of range ppm parts per million and 10ppm 0 001 As an example of how to calculate the actual reading limits assume that you are measuring 5V on the 10V range You can compute the reading limit range from one year DCV accuracy specifications as follows Accuracy 24ppm of reading 4ppm of range 24ppm x 5V 4ppm x 10V 120 40nV 160uV Thus the actual reading range is 5V 160uV or from 4 99984V to 5 00016V DC current and resistance calculations are performed in exactly the same manner using the pertinent specifications ranges and input signal values Calculating AC characteristics accuracy AC characteristics accuracy is calculated similarly except that AC specifications are given as follows Accuracy of reading of range As an example of how to calculate the actual reading limits assume that you are measuring 120V 60Hz on the 750V range You can compute the reading limit range from ACV one year accuracy specifications as follows Accuracy 0 06 of reading 0 03 of range 0 0006 x 120V 0 0003 x 750V 0 072 0 225V 0 297 In this case the actual reading range is 20 0 297V or from 119 703V to 120 297V AC current calculations are performed in exactly the same manner using the pertinent specific
155. z 100 0000V 50kHz 700V AC at 1kHz 700 000V 1kHz NOTE Do not exceed 15 peak between sense LO LO You may have to remove the external sense leads before calibrating AC volts Even though some calibrators can turn off their external sense the AC voltage can still cause excess voltage to appear between sense LO and LO 2 12 Calibration AC current calibration After the 700V AC at 1kHz point has been calibrated the unit will prompt you for 100mA at 1kHz Follow these steps for AC current calibration 1 Connect the calibrator to the AMPS and INPUT LO terminals of the Model 2010 as shown in Figure 2 3 2 Perform the calibration steps summarized in Table 2 7 For each step Set the calibrator to the indicated current and frequency and make sure the unit is in operate Press ENTER to complete each calibration step Allow the unit to complete each step before continuing Table 2 7 AC current calibration summary Calibration step Calibrator current frequency 100mA at 1kHz 100 0000mA 1kHz at 2 1 000000 1kHz 2A at kHz 2 000000A 1kHz Setting calibration dates At the end of the calibration procedure the instrument will display the CALIBRATION COMPLETE message Press ENTER to continue and the Model 2010 will prompt you to enter the calibration date and the calibration due date Set these dates as follows 1 Atthe CAL DATE mm dd yy prompt use the left and right
156. zed in Table 2 2 you want to run at the CAL RUN prompt Use the up and down range keys to scroll through the options select your choice by pressing ENTER Table 2 2 Comprehensive calibration procedures Procedure Menu choice Procedures Full calibration ALL All comprehensive calibration steps DCV DCI and ohms DC DC voltage DC current and resistance calibration ACV and ACI AC AC voltage and AC current Calibration 2 7 Front panel short and open calibration At the Model 2010 prompt for a front panel short perform the following 1 Connect the Model 8610 low thermal short to the instrument front panel INPUT and SENSE terminals as shown in Figure 2 1 Make sure the INPUTS button is not pressed in so that the front inputs are selected Wait at least three minutes before proceeding to allow for thermal equilibrium NOTE sure to connect the low thermal short properly to the HI LO and SENSE terminals Keep drafts away from low thermal connections to avoid thermal drift which could affect calibration accuracy Low thermal short connections Figure 2 1 Model 2010 5 Model 8610 low thermal short 2 Press ENTER to start short circuit calibration While the unit is calibrating the unit will display CALIBRATING 3 When the unit is done calibrating it will display the following prompt OPEN CIRCUIT 4 Remove the calibration short and press ENTER During this phase the CALIBR

Model 2010 Multimeter

Contents

Download Pdf Manuals

Related Search

Related Contents