Rockwell Automation 23P PowerFlex DC Stand-Alone Regulator (SAR) Field Circuit Board - Manual (Page 6)

6 Rockwell Automation Publication 23P-IN003A-EN-P - June 2011
10. Remove the cooling vent mounting screws (4) on top of the stand-alone regulator,
and save for reassembly.
11. Disconnect the fan plug from the XV connector on the switching power supply
circuit board.
12. Remove the cooling vent and fan assembly.
13. Carefully slide the power interface circuit board and the switching power supply
circuit board assembly out of the chassis.
Step 5: Remove the
Field Circuit Board
1. Label and disconnect the plug at X3.
Cooling Vent Mounting
Screws (4)
Tightening torque:
1.0 N•m (8.9 lb•in)
Fan plug XV connector
(behind cooling vent)
IMPORTANT The screws for the field circuit board are different lengths. Be sure to replace
the correct length screw back to the correct fastener location when reinstalling
the field circuit board.
Also, note the location of the mounting points for the transducer cable for
reassembly.
Field Power Terminal
Screws (4, long)
X3
Transducer
Cable Mounting
Screw (1, short)
Dual Diode Module
Bus Screws
(3, medium) Field SCR Module
Bus Screws
(3, medium)
Stand-off
XFCD Ribbon Cable and
Hoop Harness (plastic tie is
beneath the black casing) Note: Tightening
torque for all screws:
2.5 N•m (22.0 lb•in)