Emerson 3051S Spezifikationen Seite 114

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24
Reference Manual
00809-0100-4803, Rev DA
Section 4: Operation and Maintenance
April 2013
Operation and Maintenance
Upgrading or replacing the housing assembly including feature
board electronics
Remove the feature board
The 3051S MultiVariable Transmitter feature board is located opposite the field terminal side in
the PlantWeb housing. To remove the feature board, perform the following procedure:
1. Remove the housing cover opposite the field terminal side.
2. Remove the LCD Display, if applicable. To do this, hold in the two clips and pull outward.
This will provide better access to the two screws located on the feature board.
3. Loosen the two captive screws located on the feature board.
4. Pull out the feature board to expose and locate the SuperModule connector, see
Figure 4-10.
5. Press the locking tabs and pull the SuperModule connector upwards (avoid pulling
wires). Housing rotation may be required to access locking tabs. See “Housing
Rotation” on page 5 for more information.
Figure 4-9. SuperModule connector view
Separate the SuperModule assembly from the housing
1. To prevent damage to the SuperModule connector, remove the feature board from the
SuperModule assembly and remove the connector before separating the SuperModule
assembly from the housing.
2. Loosen the housing rotation set screw by one full turn with a
3
/32-in. hex wrench.
3. Unscrew the housing from the SuperModule threads.
SuperModule
Connector
Feature Board
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