Isolated Analog Input Device User's Manual

Chapter 4 Theory of Operation
NI PXI-4224 User Manual 4-8 ni.com
Figure 4-4 shows this signal connection scheme.
Figure 4-4. NI PXI-4224 PXI Trigger Bus Signal Connection
PXI Bus Connector
Switch
RTSI Switch
PXI Trigger<7>
PXI Trigger<0..5>
DAQ-STC
AI START TRIG
AI REF TRIG
AI CONV CLK
AI SAMP CLK
AI PAUSE TRIG
AI SAMPLE CLK TIMEBASE
Master Timebase
PXI Star