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3-28 Remote Operation Model 6517A Getting Started Manual

Test Sequence — staircase sweep

The following program performs a staircase sweep. Using the source voltage measure cur-

rent (FVMI) method, this test will measure the current through a DUT (see Figure 2-8) at

eleven voltage steps (0V through 10V). The eleven readings are stored in the buffer and

displayed on the computer CRT at the conclusion of the test.

'Quick Basic 4.5, KPC-488.2/CEC card

'$INCLUDE: 'ieeeqb.bi'

CALL initialize(21, 0)

CLS

CALL send(27, "*rst", status%)

CALL send(27, "*CLS", status%)

CALL spoll(27, KIspoll%, status%)

'Configure status model to SRQ on Buffer Full:

CALL send(27, "stat:meas:enab 512", status%)

CALL SEND(27, "*sre 1", status%)

'Select autoranging amps:

CALL send(27, ":SENS:FUNC 'CURR'", status%)

CALL send(27, ":SENS:CURR:RANG:AUTO ON", status%)

'Configure Staircase Sweep from 0V to 10V in 1V steps:

CALL send(27, ":TSEQ:TYPE STSW", status%)

CALL send(27, ":TSEQ:STSW:STAR 0", status%)

CALL send(27, ":TSEQ:STSW:STOP 10", status%)

CALL send(27, ":TSEQ:STSW:STEP 1", status%)

CALL send(27, ":TSEQ:STSW:STIM 0.3", status%)

CALL send(27, ":TSEQ:TSO imm", status%)

'Wait for commands to complete processing:

DATA1$ = SPACE$(600)

CALL send(27, "*OPC?", status%)

CALL enter(DATA1$, length%, 27, status%)

' Start Test Sequence:

CALL send(27, ":TSEQ:ARM", status%)

'Wait for SRQ (buffer full):

Keithley 6517A Getting Started Guide

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