Devclr; Devint - Keithley 4200A-SCS Reference Manual

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Model 4200A-SCS Parameter Analyzer Reference Manual

devclr

This command sets all sources to a zero state.

int devclr(void);

This command clears all sources sequentially in the reverse order from which they were originally

forced. Before clearing all Keithley supported instruments, GPIB-based instruments are cleared by

sending all strings defined with the kibdefclr command.

devclr is implicitly called by clrcon, devint, execut, and tstdsl.

For C-V testing, this command turns off the DC bias voltage.

(on page 13-199)

(on page 13-13)

(on page 13-16)

(on page 13-22)

(on page 13-50)

This command resets all active instruments in the system to their default states.

int devint(void);

Resets all active instruments in the system to their default states. It clears the system by opening all

relays and disconnecting the pathways. Meters and sources are reset to their default states. Refer to

the hardware manuals for the instruments in your system for listings of available ranges and the

default conditions and ranges.

The devint command is implicitly called by the execut command.

To abort a running pulse_exec pulse test, see dev_abort.

devint does the following:

1. Clears all sources by calling devclr.

2. Clears the matrix crosspoints by calling clrcon.

3. Clears the trigger tables by calling clrtrg.

4. Clears the sweep tables by calling clrscn.

5. Resets GPIB instruments by sending the string defined with kibdefint.

6. Resets the active instrument cards.

Instrument cards are reset in the following order:

1. SMU instrument cards

2. CVU instrument cards

3. Pulse instrument cards (4225-PMU or 4220-PGU)

4200A-901-01 Rev. C / February 2017

Section 13: LPT library function reference