Instruction Manual

ManualsBrandsRockwell Automation ManualsEquipment20D Power Module/SCR Replacement - Frame 6

Installation Instructions

Optional

Communications

Module

L2L1T3T2T1 L3

INPUTOUTPUT

USE 75 C

COPPER WIRE

ONLY

TORQUE

52 IN-LB

(6 N-M)

BR2

PS+

PS–

BR1 DC+ DC–

USE 75 C COPPER WIRE ONLY, TORQUE 52 IN-LB (6 N-M)

22-10

AWG

5.3 IN-LB

(0.6 N-M)

WIRE STRIP

DC–DC+

SCR, Brake IGBT and Power Module Replacement - Frame 6

L1 L2 L3

A. Remove front covers.

B. Disconnect cables from cassette.

C. Remove the plastic shield by taking out the screws.

D. Remove the six screws securing the HIM Support

Plate. Disconnect cables.

E. Remove HIM Support Plate and set aside.

F. Remove the junction box on the bottom of the drive by

taking out the four screws.

G. Remove the right-side enclosure panel by taking out

the appropriate screws.

Important: It will be necessary to remove the

terminal end block near “T (L3)” to gain

screw access.

H. Remove the two screws securing the fan cover.

I. Pull-up fan enclosure, disconnect wires and set aside.

HIM Support Plate

Fan Cover

Plastic Shield

Right-Side Enclosure Panel

Precharge Board

HIM Support Plate

Summary of content (4 pages)

PAGE 1
Installation Instructions SCR, Brake IGBT and Power Module Replacement - Frame 6 1 L1 L2 L3 2 I Optional Communications Module O PS+ PS– WIRE STRIP 0V 22-10 AWG 5.3 IN-LB (0.6 N-M) BR2 BR1 DC+ DC– USE 75 C COPPER WIRE ONLY, TORQUE 52 IN-LB (6 N-M) = DC+ DC– USE 75 C COPPER WIRE ONLY TORQUE 52 IN-LB (6 N-M) T1 T2 OUTPUT T3 L1 L2 INPUT L3 0V 3 A. Remove front covers. E. Remove HIM Support Plate and set aside. B. Disconnect cables from cassette. Precharge Board C.
PAGE 2
F. Replace the Gate Leads and verify correct lead placement. Note: Placement is the same for all SCR’s. 4 SCR Replacement Brake IGBT (Not on All drives) R Snubber Board Module Gate Leads S SCR Bus Bars T 125-150 HP Shown A. Locate SCR to be replaced. Note cable placement and disconnect Gate Leads. B. Disconnect the “SCR+” and “SCR–” cables. Remove the SCR Bus Bars and Snubber Board. C. Disconnect the “R,” “S” or “T” cable from the SCR being replaced. D.
PAGE 3
1 H. Remove the Plastic Clamp by taking out the two screws. 4 I. Remove the Power Module Bus Bar and three Snubber Capacitors by taking out the six screws. 3 J. Remove the eight screws securing the Power Module. Remove Module. 2 Brake IGBT Torque Sequence First Sequence: 0.7 ±0.2 N-m (6.0 ±2.0 lbf.-in.) Second Sequence: 1.6 ±0.4 N-m (14 ±4.0 lbf.-in.) Final Sequence: 5.2 ±0.8 N-m (46 ±7.0 lbf.-in.) D. Re-assemble in reverse order. Tighten cable screws to 4.0 ±1.0 N-m (35 ±9.0 lbf.-in.). E.
PAGE 4
Brake Bus Bars (Not On All Drives) Power Module Bus Bar J1 x8 U J2 V J3 Power Module W x6 x3 Terminal Spacer Snubber Capacitors Plastic Clamp Current Transducer x3 U.S. Allen-Bradley Drives Technical Support - Tel: (1) 262.512.8176, Fax: (1) 262.512.2222, E-mail: support@drives.ra.rockwell.com, Online: www.ab.com/support/abdrives www.rockwellautomation.