Table of Contents
Advertisement
7.
Click the Motion button to launch the Pulse & Direction Control dialog box.
a.
Set Steps/Rev to 20,000.
b.
(Optional) Set the Step Smoothing Filter and Input Noise Filter as appropriate for
your application. Refer to the NI Stepper Configuration Utility Help for information
about these settings.
8.
Click Download to Drive to apply the updated settings to the drive.
Step 6: Enable and Test the Drive Using LabVIEW
Use the Interactive Test Panel to test and debug your motion system and configuration settings
on the selected axis. With the Interactive Test Panel you can perform a simple straight-line move
and monitor feedback position and position error information, move and I/O status information,
change move constraints, get information about software errors and faults, and view position or
velocity plots of the move.
Complete the following steps to test your setup after configuring the axis using the Axis
Configuration dialog box.
1.
Right-click the axis in the Project Explorer window and select Interactive Test Panel
from the shortcut menu. Opening this dialog box sends the axis settings to the hardware and
activates the I/O on the module.
2.
On the Move tab set Move Mode to Relative Position and Target Position to 20 rev.
3.
On the Move Constraints tab set Velocity to 2 rev/sec, Acceleration and Deceleration to
2
20 rev/sec
, and Acceleration Jerk and Deceleration Jerk to 200 rev/sec
encoder counts per revolution and stepper steps per revolution values specified in this
tutorial the motor will move 20 revolutions at 120 rpm.
Click the Help button (
Tip
information about the items available in this dialog box.
4.
Click the Enable button (
5.
Click the Start button (
configured options.
6.
Use the Status and Plots tabs to monitor the move while it is in progress.
Finalize your motion system setup by connecting and configuring additional I/O such as
limits as required by your system using the 37-pin terminal block.
20 | ni.com | Getting Started with NI SMD-7620/7621 and NI 9512 Modules
) on the bottom of the dialog box for detailed
) on the bottom of the dialog box to enable the drive.
) on the bottom of the dialog box to start the move with the
3
. Using the
Advertisement
Table of Contents
