Chapter 8
Real-Time System Integration Bus (RTSI)
8-2
ni.com
Figure 8-1.
PCI E Series Signal Connection Scheme
Refer to the
for a description of the signals shown in Figure 8-1.
Note
In NI-DAQmx, you can indirectly route timing signals not shown in the above
diagrams to RTSI. For a detailed description of which routes are possible on your device,
in MAX, select
Devices and Interfaces
, your device, then select the
Device Routes
tab.
PXI E Series Devices
The RTSI trigger lines connect to other devices through the PXI bus on the
PXI backplane. RTSI <0..5> connect to PXI Trigger <0..5>, respectively.
This signal connection scheme is shown in Figure 8-2. The RTSI Clock is
connected to PXI Trigger 7. In PXI, RTSI 6 connects to the PXI star trigger
line, allowing the device to receive triggers from any star trigger controller
R
T
SI Bus Connector
RTSI Trigger 7
DAQ-STC
ai/StartTrigger
ai/ReferenceTrigger
ao/SampleClock
ao/StartTrigger
Ctr0Source
Ctr0Gate
Ctr0InternalOutput
Ctr0Out
ai/SampleClock
ai/PauseTrigger
ai/SampleClockTimebase
ao/SampleClockTimebase
Ctr1Source
Ctr1Gate
20MHz Timebase
Master Timebase
R
T
SI Switch
Switch
Trigger <0..6>
ai/ConvertClock
ao/PauseTrigger
