Glossary
G-8
ni.com
S
s
seconds
sinking device
An output device that provides a current path to ground. Also referred to as
a low-side switch.
sourcing device
An output device that provides a current supply to power. Also referred to
as a high-side switch.
stepper
Specifies an axis that controls a stepper motor.
T
toggle
Changing state from high to low, back to high, and so on.
torque
Force tending to produce rotation.
trapezoidal profile
A typical motion trajectory, where a motor accelerates up to the
programmed velocity using the programmed acceleration, traverses at
the programmed velocity, then decelerates at the programmed acceleration
to the target position
trigger
Any event that causes or starts some form of data capture.
TTL
transistor-transistor logic
V
V
volts
V
CC
Positive voltage supply.
velocity mode
Move the axis continuously at the specified velocity.
W
watchdog
A timer task that shuts down (resets) the motion control controller if any
serious error occurs.
word
The standard number of bits that a processor or memory manipulates at
one time, typically 8-, 16-, or 32-bit.