Rockwell Automation 1784-PM16SE SoftLogix Motion Card Setup and Configuration Manual - Manual (Page 175)

Publication 1784-UM003A-EN-P – June 2003
Naming & Configuring Your Motion Axis 167
Select one of the following fault actions for each fault type:
• Shutdown - If a fault action is set to Shutdown, then when the
associated fault occurs, axis servo action is immediately disabled, the
servo amplifier output is zeroed, and the appropriate drive enable
output is deactivated. Shutdown is the most severe action to a fault and
it is usually reserved for faults that could endanger the machine or the
operator if power is not removed as quickly and completely as possible.
• Disable Drive - If a fault action is set to Disable Drive, then when the
associated fault occurs, it brings the axis to a stop by applying the
Stopping Torque for up to the Stopping Time Limit. During this period
the servo is active but no longer tracking the command reference from
logix. Once the axis is stopped (or the stopping limit is exceeded) the
servo and power structure are disabled.
• Stop Motion - If a fault action is set to Stop Motion, then when the
associated fault occurs, the axis immediately starts decelerating the axis
command position to a stop at the configured Maximum Deceleration
Rate without disabling servo action or the servo modules Drive Enable
output. This is the gentlest stopping mechanism in response to a fault. It
is usually used for less severe faults. After the stop command fault action
has stopped the axis, no further motion can be generated until the fault
is first cleared.
• Status Only - If a fault action is set to Status Only, then when the
associated fault occurs, no action is taken. The application program
must handle any motion faults. In general, this setting should only be
used in applications where the standard fault actions are not appropriate.
Drive Thermal
Specifies the fault action to be taken when a Drive Thermal Fault is detected,
for an axis configured as Servo (in the General tab of this dialog). The available
actions for this fault are Shutdown, Disable Drive, Stop Motion, and Status
Only.
ATTENTION
!
Selecting the wrong fault action for your application can
cause a dangerous condition. Keep clear of moving
machinery.