Appendix E Sequence Examples
E-10
E.4 Auto Search Execution Example
This section describes an example procedure for Auto Search with respect
to DEMUX.
Using Auto Search sets the optimum Vth, Delay for the input Data.
Table E.4-1 Auto Search execution setting example
Remote Commands Explanation of Commands
:SYST:CFUN OFF
:SYST:CFUN ASE32
:SENS:MEAS:ASE:SLAS
:SENS:MEAS:ASE:SMOD COAR
:SENS:MEAS:ASE:MODE PTHR
:SENS:MEAS:ASE:STAR
:SENS:MEAS:ASE:STAT?
:SENS:MEAS:ASE:STAT?
:SYST:CFUN OFF
Closes the Automatic Measurement screen
currently open.
Opens the Auto Search screen.
Enables all modules allowing Auto Search.
Selects Auto Search Coarse.
Selects Search for the Vth, Phase direction.
Starts Auto Search.
About 20 seconds are required for DEMUX Auto
Search (Coarse) to complete. (When the DEMUX
Input Condition is Single ended)
Determines that Auto Search has started. A
return value of "1" indicates that measurement
has started.*
Determines that Auto Search has ended. A return
value of "0" indicates that measurement has
ended, and a value of "–1" indicates that
measurement failed.*
Closes the Auto Search screen.
*: Use processing corresponding to C language "for" and "While"
statements for this processing to send queries until the expected
value is detected. Set the sending interval between queries to at
least 200 ms to avoid overloading the instrument used for the
measurement processing. Execute the next command after the
expected value has been detected.
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