World class 3000, Instruction bulletin – Emerson ROSEMOUNT 3000 User Manual

Page 165

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Instruction Bulletin

Appendix E Rev. 4.6

May 2005

Rosemount Analytical Inc. A Division of Emerson Process Management

Appendices E-15

World Class 3000

37840028

7

6

4

3

2

1

5

E-16 REPLACE GUI ASSEMBLY OR

RIBBON CABLE

Use the following instructions to replace the GUI
assembly or the mating ribbon cable.

a. Unplug ribbon cable (1, Figure E-10) from

microprocessor board.

b. Remove caps (2), screws (3), washers (4),

and GUI assembly (5) from enclosure cover
(6).

c. Unplug ribbon cable (1) from back of GUI

assembly (5). Replace damaged GUI as-
sembly or ribbon cable.

d. Plug ribbon cable (1) into back of GUI as-

sembly (5).

e. Install GUI assembly (5) on inside surface of

enclosure cover (6).

f. Secure GUI assembly with washers (4) and

screws (3). Install caps (2).

g. Reconnect ribbon cable (1) cable to micro-

processor assembly (10, Figure E-9).

E-17 CLOSE COVER AND RESTORE POWER

a. Close enclosure cover (6, Figure E-10) and

tighten cover screws (7).

b. Remove lock out and tag out at the main

disconnect box. Turn on power to the IFT
system.

1. Ribbon

Cable

2. Cap

3. Screw

4. Washer

5. GUI

Assembly

6. Enclosure

Cover

7. Captive

Screw

Figure E-10. Replacing the GUI Assembly

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