Stall Protection And Jam Detection - Rockwell Automation SMC Dialog Plus User Manual

1-8 Product Overview
Protection and Diagnostics
(cont.)

Stall Protection and Jam Detection

The SMC Dialog Plus controller provides both stall protection and
jam detection for enhanced motor and system protection.
• Stall protection is user-adjustable from 0.0 to 10.0 seconds (in
addition to the ramp time programmed).
• Jam detection allows the user to determine the jam level (up to
999% of the motor's FLC rating) and the delay time (up to 10.0
seconds) for application flexibility.
Figure 1.8 Stall Protection
600%
Percent
Full
Load
Current
Programmed Start Time
Figure 1.9 Jam Detection
Percent
Full
Load
Current
100%
①
Jam detection is disabled during slow speed and braking operation.
Time (seconds)
①
User Programmed Trip Level
Running
Time (seconds)
Stall
Jam