User manual

F-14 Contact Check Function 2400 Series SourceMeter
®
User’s Manual
Remote contact check operation
Contact check remote commands
Tab l e F - 3 summarizes contact check remote commands. Commands specific to
contact check operation are covered in detail later in this appendix, while remain-
ing commands are covered in Section 18.
Table F-3
Contact check remote commands
Command Description
*OPT? Queries installed options. Response message indicates the
presence or absence of options. For example:
0 No options present
CONTACT-CHECK Contact check board present
:SOURce2
:BSIZe 3 | 4 Set digital I/O port bit size; 3 or 4.
:BSIZe? Query bit size of digital I/O port.
:CALCulate2
:CLIMits
:MODE GRADING | SORTING Selects limit testing mode; grading or sorting (Figure F-4 and
Figure F-5).
:MODE? Query limit testing mode.
:BCONtrol IMMEDIATE | END Selects binning control for grading mode; immediate (at fail-
ure) or end (of sweep).
:BCONtrol? Query binning control mode.
:LIMit4 Bit 10 of the Measurement Event Register represents the
result of the LIMit4 test.
:STATe ON | OFF Enables or disables contact check. If there is an open lead,
the limit test fails. LIMit4 is performed before all other limit
tests.
:STATe? Query contact check pass/fail state.
:CALCulate2
Pattern to be placed on the I/O lines if Limit4 test fails; <NRf>
= 0 to 7 for 3-bit, or 0 to 15 for 4-bit.
:LIMIT4
Query I/O pattern for Limit4 test failure.
:SOURce2<NRf>
:SOURce2?
:FAIL?
Query if contact check failed (1 = fail).
Specify the STATus data element.
:FORMat:ELEMents:CALCulate STATus Bit 18 (262144) of the status word returned by READ?,
FETCh?, MEASure?, MEASure:VOLTage?, MEASure:CUR-
Rent?, MEASure:RESistance?, TRACe:DATA?, CALCulatel
:DATA?, or :CALCulate2:DATA? signifies the status of contact
check (1 = open lead, 0 = OK). If LIMIT 4 is enabled, then
pass/fail status for that limit is also returned.