Replacing The Adapter Board; Removing/Replacing The Cpu Board; Removing The Cpu Board - Emerson FB2100 Field Replacement Manual

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

Replacing the Adapter Board

1. Gently slide the adapter board onto the CPU board connector.
2. Once on the connector, carefully lift it just enough so it moves to sit inside the
3. Replace the two CPU board screws nearest to the adapter board. Torque the
4. Replace the CPU enclosure cover. See Replacing the CPU Enclosure Cover (Top) on
5. Attach the entire CPU enclosure assembly to the battery compartment inside the
6. Re-connect the cable between the CPU enclosure and the sensor.
7. Replace the HMI module. See Replacing the HMI Module on page 7.

Removing/Replacing the CPU Board

UL Listed CPU Board Field Installed Accessory Kit for Use in Class I, Division 2, Groups
A, B, C, D
 Flow Computer CPU Board Field Installed Accessory Kit Part No.621678-01-0 for
The CPU board resides inside the CPU enclosure. You would remove/replace the CPU
board if it fails, or as a step in the field replacement of the 6-channel expansion I/O
board, the connectivity board, or the CPU enclosure (bottom).

Removing the CPU Board

1. Remove the HMI module. See Removing the HMI Module on page 6.
2. Disconnect the cable between the CPU enclosure and the sensor. See
3. Detach the CPU enclosure from the battery compartment. See Detaching the CPU
4. Remove the CPU enclosure cover. See Removing the CPU Enclosure Cover (Top) on
5. Remove the adapter board. See Removing the Adapter Board on page 12.
14
four plastic tabs on the bottom of the CPU enclosure.
screws to 1 to 2 in-lbs (0.1 to 0.2 N m).
page 11.
flow computer enclosure. See Re-attaching the CPU Enclosure to the Battery
Compartment on page 9.
use with UL Listed Model Series FB2100 and FB2200.
Disconnecting the Cable Between the CPU Enclosure and the Sensor on page 7.
Enclosure from the Battery Compartment on page 7.
page 10.