Rockwell Automation Motion Analyzer Software - Manual (Page 251)

Rockwell Automation Publication MOTION-UM004B-EN-P - October 2012 251
Understanding Your System Solution Chapter 3
Figure 196 - Controlled Stop Details Dialog Box
Table 147 - Controlled Stop Details Properties (refer to Figure 196 )
Parameters Description
Decel Distance
This is the critical deceleration distance. It is common to find that the mechanical design does
not allow enough distance to stop, if a fault occurs at the end of normal travel. This display
helps to predict the required distances on both the motor side and the load side.
Decel Time The time required to come to a complete stop.
Amplifier Utilization
This mimics the internal drive protection algorithm. In the event that 100% is exceeded, the
drive faults and the motor coasts to a stop.
Energy Absorbed
This is an indication of the energy that must be handled during a controlled stop and may help
to size dump resistors.
IMPORTANT Amplifier utilization is critical because it may indicate that a bigger drive is
necessary to achieve the required stopping time and/or distance.