Keysight M9037A PXIe Embedded Controller User Guide 17
M9037A Functional Description Introduction
PXI Trigger (TRIG)
The front panel PXI trigger connector is an SMB connector and is used to route
an external trigger signal to or from the PXI backplane or from a
software-generated trigger. The TRIG port connects directly to Trigger Bus
Segment 1 on the PXI chassis backplane. Trigger signals are TTL compatible and
edge sensitive. The M9037A provides the following trigger routing possibilities:
- From the front panel PXI trigger connector to any PXI backplane trigger bus
line.
- From any PXI backplane trigger bus line to the front panel PXI trigger
connector.
- From a software-generated trigger to any PXI backplane trigger bus line.
- From a software-generated trigger to the front panel SMB connector via any
PXI backplane trigger bus line.
Trigger IO Functions All trigger modes are programmable through the
factory-installed IVI trigger driver (M9037). You can learn more about the trigger
functions by using the M9037A Soft Front Panel software available from the
Window’s Start menu, under Keysight, look for Embedded Controller SFP.
Refer to the Trigger Driver help files for information on using the trigger
functions. The help files are available on “Windows Embedded Standard 7” by
selecting the Windows Start button > Keysight Instrument Drivers folder > IVI-COM-C
Drivers > AgPxiPc PXIe Embedded Controller > AgPxiPci IVI Driver Help. The help files
are available on “Windows 10 Enterprise 2016 LTSB” by selecting the Windows
Start button, Keysight Instrument Drivers, then AgPxiPC IVI Driver Help.
- The default trigger route (the path established at power on or at
ResetRoute) has no internal connection to the front panel SMB connector
and no connection to any of the PXI backplane trigger lines.
- If you read the current trigger routing (GetRoute) at power on or after
executing a ResetRoute, it will return the string:
_____AgPxiPcTriggerRouteNone.
- Trigger routes other than the four described above and in the following
diagrams are invalid and result in an error. For example, you cannot route a
trigger from one backplane trigger bus line to another backplane trigger bus
line. Similarly, you cannot route a trigger sourced by the front panel SMB
connector back to itself.
Refer to the following diagrams and explanations. Also, for an example program,
refer to the IVI program examples; go to:
C:\Program Files\IVI Foundation\IVI\Drivers\AgPxiPc
or
C:\Program Files (x86)\IVI Foundation\IVI\Drivers\AgPxiPc
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