NI 9930 Motion Control Accessories User Guide
46
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When you are finished the Stepper Settings page will look similar to Figure 34.
Figure 34.
Axis Configuration Stepper Page
e.
In the
Position Error
section, change the
Position Error Limit
to an acceptable value for
your system. Exceeding the specified position error limit causes NI SoftMotion to disable the
drive and turn off the Drive Enable signal.
5.
Click the
Digital I/O
button to open the
Digital I/O
page and map the following status inputs.
a.
Map DI 1
to
Servo/Drive Ready
. This signal is active when the drive is enabled.
1)
Double-click the text in the
Mapping
column and select
Servo/Drive Ready
from the
dropdown list.
2)
Ensure that the DI 1 settings match the following:
•
Input Type
—Sourcing
•
Active State
—On
•
Digital Filter
—50 µs
b.
Map DI 2 to
In-Position
. The
In-Position
signal from the drive is active when the current
position is within a user-specified distance from the target position. This is a drive setting.
1)
Double-click the text in the
Mapping
column and select
In-Position
from the dropdown
list.
2)
Ensure that the DI 2 settings match the following:
•
Input Type
—Sourcing
•
Active State
—On
•
Digital Filter
—50 µs
c.
Map DI 3 to
Drive Fault/Alarm
. When the
Drive Fault/Alarm
signal is active, the module
does not generate command signals.
1)
Double-click the text in the
Mapping
column and select
Drive Fault/Alarm
from the
dropdown list.
2)
Ensure that the DI 3 settings match the following:
•
Input Type
—Sourcing
•
Active State
—Off
•
Digital Filter
—50 µs
Содержание NI 9930
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