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SCPI Commands for the Digital to Analog Converter
VX4101A MultiPaq Instrument User Manual
3–189
Parameter Values
<time delay> 0 seconds
<event count> 0 = pass through, 1 to 65,535 triggers in 1 ms steps
<polarity> NORMal | INVerted
<mode> SAMPle|SEGMent|(SEQuence, <sequence count>)
<source> BUS, TTLTRG0, TTLTRG1, TTLTRG2, TTLTRG3, TTLTRG4,
TTLTRG5, TTLTRG6, TTLTRG7, COMMAND0, COMMAND1,
COMMAND2, COMMAND3, COMMAND4, SUREPATH, DMM,
COUNTER, CTR_EXTARM, DAC, DIGI, DIGO, HANDSHAKE
INITiate:IMMediate
TRIGger ([:SEQuence1] |:STARt)[:LAYer]:DELay <time delay>
Specifies a time delay to occur after receipt of a trigger prior to actually
triggering. If the trigger source selected is fixed, this command will have no
effect on the instrument triggering. This command always zeros the event count
delay, so specifying a delay of zero places the trigger subsystem in pass-through
mode. In this mode, the instrument triggers immediately upon receipt of a
trigger.
TRIGger ([:SEQuence1] |:STARt)[:LAYer]:ECOunt <event count>
Specifies the number of triggers to count prior to triggering. Upon receipt of
trigger N (where N is the number specified in the command), the instrument will
enter the triggered state. If the trigger source selected is fixed, this command will
have no effect on the instrument triggering. This command always zeros the
delay by time parameter, so specifying an event count of zero places the trigger
subsystem in pass-through mode. In this mode, the instrument triggers immedi-
ately upon receipt of a trigger.
TRIGger([:SEQuence1]|:STARt)[:LAYer]:HANDshake:POLarity:REQuest|:STRobe
<polarity>
Specifies the active edge of the signals to be received and driven on the external
handshake lines. NORMal indicates that the rising edge is active. INVerted
indicates that the falling edge is active.
TRIGger ([:SEQuence1] |:STARt)[:LAYer]:IMMediate
Causes a one time entry into the triggered state without receiving the specified
trigger. This command is often used to “prime the pump” in cases such as setting
up a scan list measurement.
TRIGger ([:SEQuence1] |:STARt)[:LAYer]:MODE <mode>
After receipt of an initiate, if the <mode> is SAMPle, then on receipt of a trigger,
Limits
Related Commands
Command Description