Agilent Technologies B2902 Manuale di Servizio Pagina 165

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Agilent B2900 SCPI Command Reference, Edition 2 4- 43
Subsystem Commands
LXI Trigger Events
Instrument Specific Events
B2900 has the ARM-TRIGger model for each channel and actions (transition
and acquire), and provides following events.
WaitingForAcquireArm1, WaitingForAcquireArm2
WaitingForAcquireTrigger1, WaitingForAcquireTrigger2
WaitingForTransitionArm1, WaitingForTransitionArm2
WaitingForTransitionTrigger1, WaitingForTransitionTrigger2
Measuring1, Measuring2
Settling1, Settling2
All events can be configured by the signal level (or edge), destination, and other
parameters defined in IVI 3.15.
Figure 4-2 Trigger State Machine Signal Relationships
Limitations
LXI trigger event functions provided by B2900 are a subset of the IEEE-1588
required by LXI Class-B. The following limitations exist for B2900.
Timestamp in the event are ignored. (immediate trigger only)
Delay and other timing parameters cannot be set. (always 0)
It is not allowed to add/delete any events.
The :ARM:LXI:COUNt command is not effective. (ignored)
WaitingForAcquireArm[n]
WaitingForTransitionArm[n]
WaitingForAcquireTrigger[n]
WaitingForTransitionTrigger[n]
Measuring[n]
Settling[n]
May be repeated
May be repeated
High
Low
High
Low
High
Low
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