890SD Standalone Drive 5-2 
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D 
Step 1: Mechanical Installation 
Install the 890 units and associated equipment into the cubicle. The diagram shows a typical layout using 
Star Point earthing for EMC compliance. Refer to Appendix C for further information. 
 
KEY 
A 
Analog Clean 
Earth 
B 
Back plate 
C 
Cubicle 
E 
Dirty Earth 
F 
Filter (optional)  
G 
Star Point Earth 
P 
Fuse or 
circuit breaker 
R 
AC Line Reactor 
(optional) 
S 
Signal/Control 
Screen Earth 
T 
24V Power Supply 
(optional) 
Figure 5.1  A Typical Cubicle Layout (wiring not shown)