352 Rockwell Automation Publication MOTION-RM003I-EN-P - February 2018
Bit Name Description
2 SoftTravelLimitNegativeAlarm
SoftTravelLimitNegativeFault
This exception condition occurs when Soft Travel Checking is
enabled and when actual position has exceeded the configured Soft
Travel Limit - Negative attribute value while commanding motion
in the negative direction.
If the Motion Exception Action for this bit is set for Stop Planner, the
faulted axis can be moved or jogged back inside the soft travel
limits. Any attempt, however, to move the axis further beyond the
Soft Travel Limit - Negative value using a motion instruction will
result in an instruction error.
For commanded axes, the Soft Travel Limit Fault can be cleared
with a Fault Reset while the axis position is beyond the Soft Travel
Limit - Negative value to allow the axis to be moved back within the
Soft Travel Limits. As long as the axis is not commanded to move
further away from the travel limit, no Soft Travel Limit Fault shall be
generated.
3...31 Reserved -
See also
Event Capture Attributes on page 247
Exceptions on page 41
Event Capture Attributes on page 247
APR Fault Attributes on page 279
The following are the Motion Database Storage attributes associated with a
Motion Control Axis.
System Acceleration Base
Usage Access T
Data
Type
Default Min Max Semantics of Values
Required - All Set
REAL 0
DB
- - Motor Units/sec
2
@ 100 % Rated
This floating point value represents the acceleration of the selected unloaded
motor based on 100% Rated current and used to compute System Inertia. This
attribute is used to store the original System Acceleration value for subsequent
upload.
Drive Model Time Constant Base
Usage Access T
Data
Type
Default Min Max Semantics of Values
Required - All Set
REAL .0015
DB
- - Sec
Attributes
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