National Instruments USB-621 Series User Manual

Index
NI USB-621x User Manual I-8 ni.com
O
on-demand
acquisitions, 4-8
edge counting, 8-2
timing, 4-8
order of channels for scanning, 4-6
other software, 1-1
output signal
glitches, B-3
minimizing glitches, 5-2
overview, 2-1
P
panel mounting, 1-7
pause trigger, 8-33
period measurement, 8-6
buffered, 8-7
single, 8-6
PFI, 7-1
connecting input signals, 7-4
exporting timing output signals using PFI
terminals, 7-3
filters, 7-4
I/O protection, 7-6
programmable power-up states, 7-6
terminals as static digital I/Os, 7-3
using terminals as static digital I/Os, 7-3
using terminals as timing input
signals, 7-2
pin assignments. See pinouts
pinouts
counter default, 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, default, 8-32
position measurement, 8-15
buffered, 8-18
power, +5 V, 3-3
input, 3-3
output, 3-3
power-up states
PFI, 7-6
USB-6212/6216, 6-6
prescaling, 8-36
programmable
function interface, 7-1
power-up 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 resources), C-1
pulse
encoders, 8-18
generation for ETS, 8-26
train generation, 8-23
cont
inuo
us, 8-23
pulse-width measurement, 8-4
buffered, 8-5
single, 8-4
PWR LED, 3-6
Q
quadrature encoders, 8-16

National Instruments USB-621 Series Specifications

General

Brand	National Instruments
Model	USB-621 Series
Category	Measuring Instruments
Language	English