Rockwell-automation 20P PowerFlex DC Drive - Frame B Field SCR Module Manual de usuario descargar pdf (Pagina 13)

PowerFlex® DC Drive - Frame B Field SCR Module 13

Step 5: Install the Field

Board and New Field SCR

Module

Install the Field board and new Field SCR module in reverse order of

removal as detailed in Step 4: Remove the Field Board and Existing Field

SCR Module on page 12.

• Apply thermal grease to the bottom of the SCR module before securing

it to the heatsink.

• Tightening torque for the screws connecting the Field SCR module to the

heatsink and the screws connecting the Field board to the Field SCR and

Dual Diode modules is 2.5…4.0 N•m (22…35 lb•in).

• Inspect the existing X3 and XFCD cables for burn marks, cracks or loose

connectors. If necessary, replace the cables on the Field board with the

new cables provided.

Step 6: Install the Pulse

Transformer and Switching

Power Supply Boards

Install the Pulse Transformer and Switching Power Supply boards in reverse

order of removal as detailed in Step 3: Remove the Pulse Transformer and

Switching Power Supply Boards on page 5.

• Verify that the four plastic board stabilizers mounted on the top air flow

plate are placed one on either side of each of the Pulse Transformer and

Switching Power Supply boards.

ATTENTION: Thermal grease must be applied to the bottom of

the Field SCR module before securing it to the heatsink or

damage to the drive may occur.

ATTENTION: Each gate lead cable must be connected to the

exact connector from which it was removed on the Pulse

Transformer circuit board or damage to the drive may occur.

One plastic stabilizer should be on either side of each boardAir flow plate

Plastic

stabilizers

Top view of Pulse Transformer boardSide cut-away view

Pulse Transformer board

Switching Power Supply board

1 2 ... 8 9 10 11 12 13 14

Sin comentarios

Rockwell-automation 20P PowerFlex DC Drive - Frame B Field SCR Module Manual de usuario Pagina 13