Keithley 617, Quick Reference Manual

Page 1: ...xcess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals De...

Page 2: ...MODEL 617 PROGRAMMABLE ELECTROMETER QUICK REFERENCE GUIDE Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 3: ...brief operating instruc tions and some examples of typical uses Included with the programming information are several example pro grams utilizing some commonh used controllers to get the Model 617 up...

Page 4: ...RE OPERATION 42 USING HP 85 IBM PC orXT Personal Computer 43 Using Keiffiley Model 8573 Interface APPLE II Using Apple Interface 45 HP s5 46 HP 9825A _ _ _ __ __ _ 47 HP 9816 48 DECLSIll 49 PETlCBM 20...

Page 5: ...200 pA 10 fA 2nA 1oofA 20 nA 1 PA 2oanA 10 pA 2fi loopA 2 1 10 nA nA 2mA 20mA Accurecy 1 year 18 28X f rdg counts 1 6 66 1 6 7 1 6 1 0 25 5 0 25 1 0 25 1 0 15 4 0 15 0 15 1 1 0 15 4 0 15 t 1 INPUT VO...

Page 6: ...IA 200Mn 10 kn 0 3 t 1 IonA 2Gn loo kn 1 5 t 1 1flA 2cGn IMn 1 5 1 IllA 2ooGn IOMQ 1 5 1 lti MAXIMUM OPEN CIRCUIT VOLTAGE 300VDC VOLTAGE SOURCE OUTFWT 102V to t 102V in 50mV steps ACCURACY 1 year 18 W...

Page 7: ...OLTAGE IOOV psak ENVIRONMENT Operating O C to 50 C 70 relative humidity up to 35OC storage 2FPc to t65oc WARMUP 1 hour to rated accuracy ENGINEERING UNITS CONVERSION PREFIX 1 EXPONENT femto pico nano...

Page 8: ...servicing disconnect the instrument from the power line all other equipment and consult the Model 617 instruction Manual 3 Do not touch any terminals while the instrument is turned on or con nected t...

Page 9: ...the display METER Indicator Light Indicates that electrometer readings are be ing displayed SOURCE Indicator Light Indicates that the voltage source W SOURCE value is being displayed DATA Indicator L...

Page 10: ...IDDC sent or an illegal command option UDDCO sent Trigger Overrun Error Instrument triggered while processing reading from previous trigger flashing decimal points on expo nent LEDs not using stored c...

Page 11: ...panel in the same color as the shit button A secondary function is selected by first pressing the SHIFT button and then pressing the appropriate button More information on these secondary functions c...

Page 12: ...eck mode the input impedance of the Model 617 is changed as outlined in the following table INPUT IMPEDANCE WITH ZERO CHECK ENABLED IFUNCTION I RANGE 1IMPEDANCE IN ZERO CHECK Volts Reistance Coulombs...

Page 13: ...urn off 8 The instrument is now zeroed and ready to make measurements NOTES 1 The instrument can be rezeroad at any time by turning zero correct off ZERO CORRECT indicator light off and repeating step...

Page 14: ...ically removed from the circuit so that an external element can be used instead The VII mode utilizes the V Source to extend the resistance measurement capabilities of the Model 617 to lOtaD In this m...

Page 15: ...ed by turning zero check off 7 Apply the signal to the triax input connector on the rear panel I GRN SUPPLIED INPUTCABLE MODEL617 Fig 1 Voltage Resistance Current and Charge Measurements VII 1 Turn ze...

Page 16: ...ed resistance value not the current being measured will be suppressed In this case the instrument can be toggled between amps and V I ohms without cancelling the suppressed resistance value However su...

Page 17: ...ection always use the range that allows the greatest amount of resolution OPERATION AUTO The AUTO button toggles autoranging and manual ranging The instru ment is in autoranging when the AUTO indicato...

Page 18: ...is on press the AUTO button once to get into the manual ranging mode To uprange press the button showing the arrowhead pointing up To downrange press the button showing the arrowhead pointing down 16...

Page 19: ...l already established Once a suppress level is established for a measurement function that stored level will be scaled according to what range the Model 617 is on It is important to note that the supp...

Page 20: ...d level will be algebraically subtracted from all subsequent measurements NOTE Suppress can be turned off by again pressing the SUPPRESS button TYPICAL USE 1 Cancel external source offset i e calibrat...

Page 21: ...indicator light will turn on 2 To trigger a reading press the TRIG button once The display will blank momentarily to indicate that one reading was triggered Changing Fmm Single To Continuous Trigger 1...

Page 22: ...mA to the V SOURCE OUTPUT binding posts on the mar panel of the Model 617 OPERATION WARNING Hazardous voltages may be present at the output Make sure that the OPERATE indicator light is off before con...

Page 23: ...he reading adjust rate will increase if an AD JUST button is held in For an even faster adjust rate press the SHIFT button and then hold in an ADJUST button 4 Press the OPERATE button to output the di...

Page 24: ...tion to extend the resistance measurement capabilities of the Model 617 to lOl 2 The V Source can also be used to deliver test voltages to external cir cuits 22 Artisan Technology Group Quality Instru...

Page 25: ...m readings are continuously updated at the rate of three readings per second regardless of the selected rate while data store is on 100 POINT DATA STORAGE 1 Press and hold in the Data Store ON OFF but...

Page 26: ...from the recall mode by pressing the SHIFT button and then the RECALL MIT button The DATA indicator light will turn off 4 Turn off the data store cycle by pressing the ON OFF button The in dicator lig...

Page 27: ...re cycle by pressing the ON OFF button The in dicator light will turn off The minimum maximum readings along with the other data will be retained until a new store cycle is started NOTE There must be...

Page 28: ...IEEE ADDRESS AND TALK ONLY To display and change the IEEE address 1 Press and release the SELECT button until IEEE and the present ad dress number are displayed 2 To change the address adjust the dis...

Page 29: ...ress and release the SELECT button until dlSP is displayed 2 Press and release either of the ADJUST buttons The exponent mode will toggle 3 Press the SELECT button to store the displayed exponent mode...

Page 30: ...OM binding posts on the rear panel All ranges wil output 2v at full range The output is in verted when in volts and ohms TYPICAL USE Connect a chart recorder to the analog output to monitor drii of th...

Page 31: ...and COM terminals The output is inverted when in amps or coulombs WARNING Hazardous voltage levels may be present on the PREAMP OUT terminal FUNCTION Amps Ohms Coulombs PREAMP OUT Absolute Value1 FUL...

Page 32: ...ro check off SUPPLIED INPUT CABLE MODEL 617 Fig 3 External Feedback NOTES 1 The negative of the voltage drop across the feedback element will be displayed 2 To exit the external feedback mode turn zer...

Page 33: ...sed when making resistance measurements above lOOMl2 or voltage measure ments that have high source resistances See Fig 4 for guarded measurement corrections 00 w uo cl MODEL 617 IF COM TO CHASSIS LIN...

Page 34: ...e volts or ohms function 4 Select appropriate range or autorange 5 Connect input as shown in the illustration 6 Release zero check and take the reading TYPICAL USE Measure Insulation Resistance The gu...

Page 35: ...he switch is closed one reading will be triggered OPERATION 1 Set the Model 617 to the single trigger mode sea TRIG 2 Input an appropriate debounced trigger pulse source to the MTER NAL TRIGGER INPUT...

Page 36: ...cable connect the METER COMPLETE OUTPUT of the Model 617 locatacl on rear panel to the atierna trigger input of another instrument TYPICAL USES 1 Trigger a scanner to switch to the next available chan...

Page 37: ...o off Ol f Auto on 2oOpc 2llC 20nC 20nC 20nC 2Onc 20nC 2Onc 2Onc 2Onc 2Onc Auto off X Fdbk Auto on 200mV 2v 20 v 20 v 20 v 20 v 20 v 20 v 20V 20 v 20 v Auto off V I Auto or 2oom 2OTB 2m 2Gn 200Mn 20Mn...

Page 38: ...ous GET T3 Single GET T4 Continuous X T Single x T6 Continuous External l7 Single External Trigger always starts a new reading regardless of mode singlelcontinuousl UO Send machine status word Ul Send...

Page 39: ...NS MODE Function Range Zero Check zero cormct supprass Trigger V Source Operate Read Mode Data Format Display Data Store Control SRQ EOI Teninator V Source Value St US Cal Value STATUS see machine sta...

Page 40: ...COUL DCX EXTERNAL FEEDBACK l VSCR WHEN READING V SOURCE 184 STATUS BYTE DECIMAL 128 64 32 16 8 4 2 1 1 ERROR 1 I I BUFFER FULL 1 READY 1 READING DONE 38 Artisan Technology Group Quality Instrumentatio...

Page 41: ...Status lJ2 TEMP V SOURCE N CAL OVERLOAD 0 Oorl Oorl Oorl 0 or 1 0 0 0 0 FALSE 1 TRUE EXAMPLE 6171ooOOOOOO BUFFER FULL IEEE ADDRESS SELECTION A front panel program is used to display end change the IE...

Page 42: ...lk only mode with prafix or to 41 for talk only mode without prefix 3 Store Program Press the SHIFT button end then the SELECT EXIT button 4 To select a different talk rate A Press and hold in the Dat...

Page 43: ...e using the HP 85 computer All 100 readings stored in the buffer will be displayed The rest of the programs display one reading at the output of the con troller Each program provides an ASCII string v...

Page 44: ...he program wiU enable the buffer wait for the buffer to fill turn on the buffer output and then request and display all 100 readings PROGRAM COMMENTS 10 DIM AsI 20 REMOTE 727 30 OUTPUT 727 QOX 40 S SP...

Page 45: ...rpretive BASICA language 4 Place the interface software disc in the default drive type LOAD DECL and press the return key 5 Enter the following program into the computer pressing the return key after...

Page 46: ...for ccmmand string Sea if pmgram is to be halted If null command string go back and get another Address 617 to listen and send command string Assign reading input buffer Address 617 to Talk and input...

Page 47: ...a reading type in FlR7TlX and depress the RETURN key 7 The display will read NDCA O WOOOE 06 when the Model 617 is in zero check PROGRAM COMMENTS 20 20 CHRW6 30 INPUT ITEST SETlJP B 40 PRW 50 INW 60...

Page 48: ...The display will read TEST SETUP 6 To program the Model 617 to the A range and take a reading type in FlR7TlX and depress the END LINE key 7 The display will read NDCA O OOOOOE 06 when the Model 617...

Page 49: ...to the A range and take a reading typ in FlR7TlX and depress the CONT key 7 The print out will read NDCA O OOOOOE 06when the Model 617 is in zero check PROGRAM COMMENTS 0 dim A f2Ol B f201 1 dev 617 7...

Page 50: ...9816 RUN key 6 The display will read TEST SETUP 7 To program the Model 617 to the w range and to take a reading type in FlR7TlX and press the ENTER key 8 The display will read NDCA O OOOOOE 06when the...

Page 51: ...11 IEEE cable 3 Enter the following program using the editor under RT 11 end the name IPHILD 4 Compile using the fortran compiler as follows FORTRAN IPHILD 5 Link with the system and IB libraries as...

Page 52: ...T SETUP CALL GETSTR l5 MSG 721 CALL IBSEOI MSG 1 PRIADR 18 I lBRECV INPUT BO PRIADR lNPUT l 1 0 CALL PUTSTR 7 lNPUT O CALL IBUNT GOT0 12 END ITurn off IB errors IAllow 5 error 15 s IAllow 1 second bus...

Page 53: ...ding type in FlR7l2X and depress the RETURN key 7 The display will read NDCA O OOLIOOE 06when the Model 617 is in zero check PROGRAM COMMENTS 10 OPEN 6 27 Open file 6 primary address 27 20 INPUT TEST...

Page 54: ...Test Instrumentation Group 28775 Aurora Road Cleveland Ohio 44139 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

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