
Rockwell Automation Publication 20P-IN071B-EN-P - June 2011 11
PowerFlex
®
DC Drive Resolver Feedback Option Module
4. Secure the resolver feedback board to the stand-offs using three screws
with captive washers. Tightening torque is 0.7 N•m (6.2 lb•in).
Step 5: Wire the
Resolver Interface and
Feedback Boards
Wiring the Resolver Interface Board
Table 1 - Resolver Interface Board TB1 Wire Size and Tightening Torque
Terminal block TB1 on the resolver interface (bottom) board provides
connection points for an external 24V DC power supply input, resolver feedback
board voltage status output and resolver feedback board reset input. Tabl e 2 on
page 12 details the connections.
The resolver feedback module can be powered via an internal or external
(customer-supplied) 24V supply. The voltage source is selected by switch S2 on
the resolver interface board. See Figure 3 on page 13
for the location of switch S2.
The customer-supplied, external 24V power supply is only needed when using
the resolver interface board with a PowerFlex DC frame A drive or Stand-Alone
Regulator under the following conditions.
• A resolver is wired to the resolver feedback board (terminal block P1)
• A digital encoder is wired to the control board
• The frame A drive has a fan(s)
S15
XR
XA
XP3
P2 P3
S2
XRE
S1
TB1 TB2
P4
P2 P3
P1
S1
Install screws
Resolver feedback board
Wire Size and Type
Tightening Torque N
•m (lb•in)Flexible (mm
2
) Multi-core (mm
2
)AWG
0.140…1.500 0.140…1.500 26…16 0.4 (3.5)
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