Instruction Manual
Appendix EX Rev. 1.3
January 1997
E-12 Appendices Rosemount Analytical Inc. A Division of Emerson Process Management
World Class 3000
n. Reconnect the wires to interconnect board
(14) as noted in step e.
o. Connect cable (1) to the receptacle on mi-
croprocessor board (16). Reconnect GUI
assembly cable or LDP assembly cable to
receptacles on microprocessor board if IFT
is equipped with GUI or LDP.
p. Close liner assembly front panel (22) and
secure by turning 1/4 turn fastener (21)
clockwise.
q. Close cover door (13) and secure with se-
curing screws (23).
E-9 MICROPROCESSOR BOARD
REPLACEMENT
See Safety Data Sheet 1M03296 for
safety related information.
a. Follow the Power Down procedure outlined
in Safety Data Sheet 1M03296 and the offi-
cial "codes of practice" for your country of
installation.
b. Open cover door (13) of the IFT by remov-
ing securing screws (23).
c. Open liner assembly front panel (22) of the
IFT by turning 1/4 turn fastener (21) coun-
terclockwise.
d. Disconnect cable (1) from the receptacle on
microprocessor board (16). Disconnect GUI
assembly cable or LDP assembly cable
from receptacles on microprocessor board if
IFT is equipped with GUI or LDP.
Pull up very carefully on the micro-
processor board to ensure that none
of the pins in the connection between
the microprocessor board and inter-
connect board are damaged.
e. Remove microprocessor board (16 by re-
moving five screws (2), three washers (3),
and two plastic washers (15).
f. Attach the new microprocessor board to the
interconnect board by carefully lining up the
pins on the plug.
g. Attach microprocessor board (16) to
mounting plate (17) with five screws (2),
three washers (3), and two plastic washers
(15). Use the plastic washers on MH2 and
MH3 located on top of the microprocessor
board.
h. Reconnect cable (1) to receptacle on mi-
croprocessor board. Reconnect GUI as-
sembly cable or LDP assembly cable to
receptacles on microprocessor board if IFT
is equipped with GUI or LDP.
i. Close liner assembly front panel (22) and
secure by turning 1/4 turn fastener (21)
clockwise.
j. Close cover door (13) and secure with se-
curing screws (23).
E-10 INTERCONNECT BOARD REPLACEMENT
See Safety Data Sheet 1M03296 for
safety related information.
a. Follow the Power Down procedure outlined
in Safety Data Sheet 1M03296 and the offi-
cial "codes of practice" for your country of
installation.
b. Open cover door (13) of the IFT by remov-
ing securing screws (23).
c. Open liner assembly front panel (22) of the
IFT by turning 1/4 turn fastener (21) coun-
terclockwise.
d. Carefully tagging wires, remove the wires
from terminal strip on interconnect board
(14).
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