©
National Instruments Corporation
1-1
1
Getting Started
NI USB-621
x
devices feat
u
re
u
p to 32 analog inp
u
t (AI) channels,
u
p to
two analog o
u
tp
u
t (AO) channels, two co
u
nters, and
u
p to eight lines
of digital inp
u
t (DI) and
u
p to eight lines of digital o
u
tp
u
t (DO), or
32 bidirectional static DIO lines.
Installing NI-DAQmx
The
NI-DAQmx for USB Devices Getting Started Guide
, which yo
u
can
download from
ni.com/manual
s
, offers NI-DAQmx
u
sers step-by-step
instr
u
ctions for installing software and hardware, config
u
ring channels and
tasks, and getting started developing an application.
Installing Other Software
If yo
u
are
u
sing other software, refer to the installation instr
u
ctions that
accompany yo
u
r software.
Installing the Hardware
The
NI-DAQmx for USB Devices Getting Started Guide
contains
non-software-specific information abo
u
t how to install USB devices.
Before installing yo
u
r DAQ device, yo
u
m
u
st install the software yo
u
plan
to
u
se with the device.
