Chapter 2
Device Overview
2-12
ni.com
will be 10 MHz ± 5.63 ppb after 375 days of operation. Calibration does
not affect the drift in freq
u
ency; it only changes the stable freq
u
ency.
Calibration
When yo
u
are ready to calibrate yo
u
r device to correct for drift in
freq
u
ency, refer to the
NI 6601/6602 Calibration Procedure
or the
NI
6608 Timing I/O Device Calibration Procedure
available at
ni.com/
calibration
. Yo
u
can calibrate these devices in Traditional NI-DAQ
(Legacy) only.
Register-Level Programming Information
Caution
NI is
not
liable for any damage or inj
u
ry that res
u
lts from register-level
programming the TIO Series devices.
For information abo
u
t programming the NI 660
x
devices at the register
level, refer to the
NI 660X Register-Level Programmer Manual
, available
from
ni.com/manual
s
.
The National Instr
u
ments Meas
u
rement Hardware DDK provides
development tools and a register-level programming interface for NI data
acq
u
isition hardware. The NI Meas
u
rement Hardware DDK provides
access to the f
u
ll register map of each device and offers examples for
completing common meas
u
rement and control f
u
nctions. The
Meas
u
rement Hardware DDK works with TIO Series digital I/O and
co
u
nter/timer I/O devices. Refer to
ni.com
for more information.