National Instruments 7334 - Manual (Page 41)

Chapter 5 Signal Connections
7344/7334 Hardware User Manual 5-16 ni.com
RTSI Signal Considerations
The 7344/7334 motion controllers allow you to use the RTSI signals as
sources for trigger inputs, or as destinations for breakpoint outputs and
encoder signals. The RTSI bus can also be used as a generic digital I/O port.
Breakpoint outputs are output-only signals that generate an active-high
pulse of 90
−120 ns duration, as shown in Figure 5-9.
Figure 5-9. Breakpoint Across RTSI
Encoder and Index signals are output-only signals across RTSI that are
the digitally-filtered versions of the raw signals coming into the controller.
If you are using the RTSI bus for trigger inputs or generic digital I/O, all
signals are passed through unaltered.
tw
tw = 90 - 120 ns