Replacing The Cpu Board - Emerson FB2100 Field Replacement Manual

FB2100/FB2200 Flow Computer CPU Enclosure and Electronics Field Replacement Guide
D301803X012
June 2018

Replacing the CPU Board

1. Gently slide the CPU board into its connector on the connectivity board. Make
2. Attach the CPU board using the screws saved from when you removed it but leave
3. Gently slide the adapter board onto its mating connector on the CPU board and
4. Connect the intermediate cable to its mating connector on the CPU board. Ensure
5. If you removed the SRAM backup battery, slide it into its slot on the CPU board. Be
6. Replace the CPU enclosure cover. See Replacing the CPU Enclosure Cover (Top) on
7. Reattach the CPU enclosure to the battery compartment. See Re-attaching the
8. Re-connect the cable between the CPU enclosure and the sensor.
9. Reattach the HMI module. See Replacing the HMI Module on page 7.
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sure it is firmly in place.
the two screws nearest the adapter board off.
move it so it fits between the four plastic tabs on the bottom of the CPU
enclosure. Now finish attaching the CPU board using the two screws nearest the
adapter board Torque all CPU board screws to 1 to 2 in-lbs (0.1 to 0.2 N m).
that the other end of the cable goes out the round hole in the bottom of the CPU
enclosure.
sure to align the positive side properly as marked on the battery housing.
page 11.
CPU Enclosure to the Battery Compartment on page 9.