Remove the switching power supply circuit board – Rockwell Automation 23P PowerFlex DC Stand-Alone Regulator (SAR) Power Interface Circuit Board User Manual

Page 8

Rockwell Automation Publication 23P-IN001A-EN-P - June 2011

Step 5: Remove the
Switching Power
Supply Circuit
Board

1. Remove the stand-off mounting screw (1) next to the XR ribbon cable connector on

the power interface circuit board, and save for reassembly.

2. Label and disconnect the plug at connector XUV.

3. Remove the mounting screws (4), and save for reassembly.
4. Carefully pull the two boards apart, pulling the XSW and XSW1 plugs on the

switching power supply circuit board out of the pins on the power interface circuit
board.

5. Save the switching power supply circuit board for reassembly.
6. Dispose of the power interface circuit board properly.

Step 6: Install the
New Power
Interface Circuit
Board and
Reassemble the
SAR

1. Install the switching power supply circuit board onto the new power interface circuit

board in reverse order of removal. See

2. Install the new power interface circuit board in reverse order of removal. See

3. Install the control circuit board in reverse order of removal. See

Mounting Screws (4)
Tightening torque:
1.0 N•m (8.9 lb•in)

XUV

Stand-off mounting
screw (1) is removed at
XR on the power
interface circuit board

IMPORTANT
XSW and XSW1
plugs on the
switching power
supply circuit board
fit into the pins on
the power interface
circuit board.