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National Instruments Corporation
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Introduction
This chapter includes information about the features of the NI PCI-7390
controller and information about operating the device.
About the PCI-7390 Controller
The PCI-7390 controller features advanced motion control with
easy-to-use software tools and add-on motion VI libraries for use with
LabVIEW.
Features
The PCI-7390 is a position-command (p-command) stepper motion
controller with isolation designed for use with drives that support
p-command mode or step (pulse) command input. The PCI-7390 has
accessories specifically designed for direct connectivity to Yaskawa
Sigma II, Mitsubishi MR-J2S and Panasonic Minas A drives.
The PCI-7390 provides fully programmable motion control for up to
four independent or coordinated axes of motion, with dedicated motion I/O
for limit and home switches and additional I/O for general-purpose
functions.
You can use the PCI-7390 controller for point-to-point and straight-line
vector moves. The PCI-7390 also performs arbitrary and complex motion
trajectories through circular, spherical, or helical interpolation.
Stepper axes can operate in open or closed-loop mode. The PCI-7390 uses
quadrature encoders for position and velocity feedback (closed-loop only),
and provides advanced encoder functions such as trigger (position capture)
and breakpoint (position compare). The PCI-7390 provides step/direction
or clockwise (CW) /counter-clockwise (CCW) digital command outputs.
The controller supports full, half, and microstepping applications on all
four axes.
