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Chapter 3 Hardware Overview
© National Instruments Corporation 3-13 NI 6115/6120 User Manual
In PCI, you can access all seven RTSI lines (RTSI<0..6>) through their
RTSI cable. With the NI PXI-6115/6120, RTSI<0..5> connects to PXI
Trigger <0..5>, respectively, through the NI PXI-6115/6120 backplane.
In PXI, RTSI<6> connects to the PXI Star Trigger line, allowing the
NI 6115/6120 to receive triggers from any Star Trigger controller plugged
into slot 2 of the chassis. For more information on the Star Trigger, refer to
the PXI Specification Revision 2.0.
Figure 3-12. PCI RTSI Bus Signal Connection
RTSI Bus Connector
Clock
DAQ-STC
TRIG1
TRIG2
CONVERT*
UPDATE*
WFTRIG
GPCTR0_SOURCE
GPCTR0_GATE
GPCTR0_OUT
STARTSCAN
AIGATE
SISOURCE
UISOURSE
GPCTR1_SOURCE
GPCTR1_GATE
RTSI_OSC (20 MHz)
RTSI Switch
Switch
Trigger
7