Rockwell Automation 8520 9/Series Hardware TAB 5 User Manual
Page 70
Section 5A
9/440 Resolver–based CNC/Drive System
5A-68
System Grounding
Figure 5A.49 and Figure 5A.50 illustrate the recommended 9/440
resolver–based grounding scheme. All grounds terminate on a single
point. Note there are two separate ground wires going to the system
module. One ground connects to PE of the system module power terminal
block, the other connects to the ground stud found just beneath the wiring
board on the mounting bracket for the 9/440 Resolver–based CNC
assembly.
Figure 5A.49
Recommended Resolver–based Grounding Scheme (Series A/B)
9/440 Resolver–based
System Module
Open
cover
9/440
Resolver–based CNC
Assembly
PE Stud
Power Terminal Block
PE Power Terminal Block Ground
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