Product Overview 3-2 
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D 
Product Range 
The 890 range is designed to control standard 3-phase ac induction motors and brushless servo motors. 
There are three main types of 890: 
890CS Common Bus Supply 
The Common Bus Supply connects to AC and provides DC to 
the Common Bus Drive (s) via busbars.  
890CD Common Bus Drive  
The Common Bus Drive (s) receives DC from the Common Bus 
Supply. It provides control for the motor. 
The figure shows a Frame B Common Bus Supply linked to 
three Frame B Common Bus Drives. 
890SD Standalone Drive 
The Standalone Drive is AC supplied 
and provides control for the motor. 
The figure shows a Frame B Standalone 
Drive. 
   
STANDALONE DRIVE
AC 3-phase
890SD