164 Rockwell Automation Publication 750-IN001P-EN-P - April 2017
Chapter 4 Power Wiring
Floor Mount Frames 8…10
Bus Bar Locations
Figure 98 - Bus Bar Locations, AC Input Drives
No. Name Description
1 Power bus R/L1, S/L2, T/L3 (drive only.)
2 DC bus DC+, DC- (The DC bus is included with frame 9 and 10 drives. Frame 8 drives
require the field installed kit 20-750-BUS1A-F8.)
3 Power bus U/T1, V/T2, W/T3 (drive only or cabinet options bay without power output
options.)
4 PE grounding bar Terminating point to chassis ground for incoming AC line and motor shield.
5 DC+ and DC- Bus voltage test points
R / L1
S / L2
T / L3
DC+
DC–
U / T1
V / T2
W / T3
PE
1
2
3
4
5
PE