4-1 890CS & 890CD Common Bus Units   
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D 
 
890CS & 890CD Common Bus Units 
This chapter describes the mechanical and electrical installation of the Common Bus Units (890CS 
Common Bus Supply and 890CD Common Bus Drive). It discusses configuring your system, and 
how to turn the motor
 for the first time. 
Follow the Steps for a successful installation.
 
  Step 1: Mechanical installation 
Mechanical Installation diagram 
Enclosure details 
Mounting dimensions 
  Step 2: Connecting power 
Wiring Diagram 
  Step 3: Control Connections 
  Control connection diagram 
  890CS Common Bus Supply terminals 
  890CD Common Bus Drive terminals 
♦  Step 4: Checking the system 
  Power-up with 24V DC 
  Configure the 890CD Common Bus Drive 
  Set-up parameters 
  Step 5: Run the motor 
  890CS Common Bus Drive - voltage check 
  Powering-up the units 
  The Autotune Feature 
  Initial start-up routines