Step 5a: remove the resolver feedback module – Rockwell Automation 20P, 23P PowerFlex DC Drive and SAR Control Circuit Board Installation Instructions User Manual
Page 8

Publication 20P-IN004B-EN-P
8
Step 5: Remove the
Existing Connections and
Option Board(s)
If the optional resolver feedback module, I/O expansion, and 115V AC to
24V DC converter boards are not installed on the control board, continue with
Step 6:
Remove the Existing Control Board on page 13
.
Important: Mark all connections and wires before removing to avoid incorrect
wiring during reassembly.
Step 5A: Remove the Resolver Feedback Module
If the optional resolver feedback module is not installed, continue with
Remove the Optional I/O Expansion Board on page 10
Important: The resolver feedback module can only be used with PowerFlex DC
drives with firmware version 5.002 or higher.
Important: The resolver feedback module consists of an interface board and a
feedback board. For this procedure, both boards of the resolver
feedback module are removed together, as an assembly.
1. Remove the three plug-in I/O terminal blocks from the resolver feedback
module assembly.
2. Remove the four mounting screws for the resolver interface board.
S15
XR
XA
XP3
XRE
XFCD
S21
S4
J1
J2
P1
S
1
TB1
TB2
P4
P2
P
3
P1
S
2
=
Remove four screws
(resolver interface board)
Tightening torque is
0.7 N•m (6.2 lb•in)
Resolver interface board
Resolver feedback board
Plug-in I/O terminal blocks