National Instruments USB-621 Series, User Manual

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Index
NI USB-621x User Manual I-8 ni.com
O
on-demand
acq u isitions, 4-8
edge co u nting, 8-2
timing, 4-8
order of channels for scanning, 4-6
other software, 1-1
o
u tp u t signal
glitches, B-3
minimizing glitches, 5-2
overview, 2-1
P
panel mo u nting, 1-7
pa u se trigger, 8-33
period meas u rement, 8-6
b u ffered, 8-7
single, 8-6
PFI, 7-1
connecting inp u t signals, 7-4
exporting timing o u tp u t signals u sing PFI
terminals, 7-3
filters, 7-4
I/O protection, 7-6
programmable power-
u p states, 7-6
terminals as static digital I/Os, 7-3
u sing terminals as static digital I/Os, 7-3
u sing terminals as timing inp u t
signals, 7-2
pin assignments. See pino u ts
pino u ts
co u nter defa u lt, 8-32
device, 1-2
USB-6210, A-2
USB-6211, A-4
USB-6212 BNC, A-13
USB-6212 Mass Termination, A-8
USB-6212 Screw Terminal, A-6
USB-6215, A-4
USB-6216 BNC, A-13
USB-6216 Mass Termination, A-8
USB-6216 Screw Terminal, A-6
USB-6218 BNC, A-21
USB-6218 Screw Terminal, A-19
pins, defa u lt, 8-32
position meas u rement, 8-15
b u ffered, 8-18
power, +5 V, 3-3
inp u t, 3-3
o u tp u t, 3-3
power- u p states
PFI, 7-6
USB-6212/6216, 6-6
prescaling, 8-36
programmable
f u nction interface, 7-1
power- u p states
PFI, 7-6
USB-6212/6216, 6-6
programmed I/O, 11-1
changing data transfer methods, 11-2
programming devices in software, 2-5
programming examples (NI reso
u rces), C-1
p u lse
encoders, 8-18
generation for ETS, 8-26
train generation, 8-23
contin u o u s, 8-23
p u lse-width meas u rement, 8-4
b u ffered, 8-5
single, 8-4
PWR LED, 3-6
Q
q u adrat u re encoders, 8-16