Rockwell Automation 8720MC High Performance Drives Installation Manual - Manual (Page 90)

Publication 8720MC-IN001D-EN-P — December 2002
3-28 Connecting Your 8720MC
Wiring Your Precharge
Board (Frames C and D) This procedure is for C and D frames only. Refer to Figure 2.3 for the
location of the precharge board.
To wire your precharge board:
1. Bring in 24V dc to TB1-T1 on the precharge board.
2. Connect the return to TB1-T3 on the precharge board.
3. Jumper pins W1-1 to W1-2 on the precharge board in order to use
24V dc.
Figure 3.12
Wiring the Precharge Board
W1
1
3
TB1
1
2
3
Note: Jumper W1 must be
set between pins 1
and 2 in order to use
+24V dc.
Pre-Charge Board
24V dc Return
(P5-23)
24V dc (P5-22)