Keithley 617 User Manual

IEEE-488 Bus Digital Calibration 5. After all functions are calibrated, the program will
prompt for permanent storage of calibration constants
After completing the manual calibration adjustments, per-
in NVRAM (lie 880). This provides the user the op-
form the following procedure to digitally calibrate the
porhmity to stop at this point in order to avoid perma-
Model 263 over the IEEE-488 bus.
nent calibration. The calibration constants will be lost
when the instrument is turned off.
1. Connect the Models 263 and 617 to the GPIB interface
6. Storage of calibration constants into NVRAM is per-
of the HP 85 computer.
formed by lie 940 of the program, and is indicated by
2. Set the IEEE-488 address of the Model 263 to 8 and set
the “Stof’ message on the Model 617. If instead the
the address of the Model 617 to 27.
message “out” is displayed, then the calibration jumper
3. Enter the calibration program into the HI’ 85 computer.
is in the disable position and calibration constants will
4. To calibrate the instrument, simply press the RUN key
be lost when the Model 617 is turned off.
on the computer and follow the instructions on the CKI
display.
10 CLEAR 727,708 @ CLEAR @ BEEP
20 IlISP i i CI:IWEI:T THE 263 TO THE 6.17 <FIG F::> kHIl THE E:::T I.~-S~ILIRI~E <FIG 9::~ ? ?
30 DISP "SET EXT U-SOURCE TO OUTPUT
!90.000V TO 263.- @ OISP
40 DISP "PRESS 'CONT' TO CONTINUE."
50 PAUSE
60 CLEfiR
70 OUTPUT 708 ;"FiR3'J190E-12X" ! 263; program for 150pA.
80 DATA 3,.
00000000019,5,.000000013,9,.000019,11,.013
30 FOR I=1 TO 4
100 REPlD R
110 OUTPUT 727 ;"FIR";R;'X" ! 617; select I range.
120 OUTPUT 708 ;"R";R;"X" ! 263; select I range.
130 OUTPUT 708 ;"ZIOlX'
! 263; output 06 to 617.
140 WtiIT 2000
150 OUTPUT 727 :"ZlX'
! 617; zero correct display.
160 WAIT 1000
170 OUTPUT 727 ;"COX"
! 617; disable zero check.
180 WAIT 5000
190 OUTPUT 727 ;"NIX"
! 617; zero display with euppress.
200 OUTPUT 708 ;"ZOX"
! 263; output programmed I to 617.
210 IF I,1 THEN 230
220 WAIT 35000
230 WFIIT 3000
240 READ R
250 BEEP 2,200 @ OUTPUT 727 ;"fi';R;"X"
! 617; send cdl value.
260 W&IT 2000
270 OUTPUT 727 ;"NQZBCIX" ! 617; disable 5uppres5 and zero sorrect, and enable z
280 NEXT I
230 OUTPUT 709 ; "00X"
! 263; place I" standby.
300 PRINT "AMPS RANGES CfiLIERATED:'
310 PRINT "200pA, 20nF1, ZOuA, 20mA" @ PRINT
3.70 WfiIT 2000 @ CLEAR
330 OUTPUT 727 ;"F3R3Z1X"
! 617; select 20nC range and zero correct display.
817 CALIBRATION PROGRAM

Keithley 617 Specifications

General

Brand	Keithley
Model	617
Category	Measuring Instruments
Language	English