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DVC5000 Series
4
Printed Wiring Board Assembly
Refer to figure 4-1 for parts identification. The printed
wiring board assembly is located on the back of the
module base assembly.
Removing the Printed Wiring Board
Assembly
1. Remove the master module according to
instructions in this manual.
2. Remove three screws.
3. Lift the printed wiring board assembly straight out
of the module base.
4. Ensure that the O-ring is attached to the pressure
sensor or sensor plug after the printed wiring board
assembly has been removed from the module base.
Replacing the Printed Wiring Board
Assembly and Setting the Mode Switches
1. Apply sealant to the pressure sensor O-ring.
4-4
I/P CONVERTER
A7027 / IL
Figure 4-4. I/P Converter
SHROUD
SOCKET-HEAD
SCREWS (4)
BOOTS
2. Properly orient the printed wiring board assembly
as you install it into the module base. The two
electrical leads from the I/P converter must guide into
their receptacles in the pwb assembly and the
pressure sensor or sensor plug on the printed wiring
board assembly must fit into its receptacle in the
module base.
3. Push the printed wiring board assembly into its
cavity in the module base.
4. Install and tighten three screws to a torque of 10.1
lbfSin (1 NSm).
5. Set the DIP switches on the printed wiring board
assembly according to table 4-1.
Note
Be sure the multidrop switch is set for
operation in a point-to-point loop and
the auxiliary switch is set for switch
operation, i.e., both switches down.
November 1999
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