National Instruments NI 9516 Operating Instructions And Specifications - page 18
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NI 9516 Operating Instructions and Specifications
Limit and Digital Input Signals
You can configure the Forward Limit, Reverse Limit, and
Digital Input <1..2> signals in software for sinking or sourcing
output devices and set the active state of the inputs in software to
on or off. To use the Drive Fault signal referenced in Figure 1, you
can map an available digital input in software. Figure 7 shows an
example of wiring the input signals to a sourcing output device.
Figure 7. Limit or Digital Input Circuit Configured for Sinking
PNP (Sourcing)
Output Device
COM
NI 9516
V–
V+
Out
Current
Limiting
Circuit
Limit, Home,
or Digital Input
(Reference)
Limit, Home,
or Digital Input