Rockwell Automation Publication 20C-PM001F-EN-P - March 2012 87
Appendix B
Application Notes
External Brake Resistor
Figure 3 - External Brake Resistor Circuitry
Minimum Speed
See Reverse Speed Limit on page 96
For Information on… See page… For Information on… See page…
External Brake Resistor Below Process PI 93
Minimum Speed Below Reverse Speed Limit 96
Motor Control Technology 88 Skip Frequency 97
Motor Overload 89 Sleep Wake Mode 99
Overspeed 91 Start At Power Up 101
Power Loss Ride Through 91 Stop Modes 101
Power On
R (L1)
S (L2)
T (L3)
Power Source DB Resistor Thermostat
Power Off
M
M
(Input Contactor) M
Three-Phase
AC Input