Disconnecting The Cable Between The Cpu Enclosure And The Sensor; Detaching/Re-Attaching The Cpu Enclosure From/To The Battery Compartment; Detaching The Cpu Enclosure From The Battery Compartment - Emerson FB2100 Field Replacement Manual

FB2100/FB2200 Flow Computer CPU Enclosure & Electronics Field Replacement Guide

Disconnecting the Cable Between the CPU Enclosure and the Sensor

Disconnect the cable between the CPU enclosure and the sensor module. To do this, press down on
the outer edge of the connection tab, then pull the connectors apart.

Detaching/Re-Attaching the CPU Enclosure from/to the Battery Compartment

UL Listed CPU Box Field Installed Accessory Kit for Use in Class I, Division 2, Groups A, B, C, and D
Flow Computer CPU Box Option 1 Field Installed Accessory Kit Part No. 621673-01-0 for use

with UL Listed Model Series FB2100 and FB2200.
Flow Computer CPU Box Option 2 Field Installed Accessory Kit Part No. 621674-01-0 for use

with UL Listed Model Series FB2100 and FB2200.
Flow Computer CPU Box Option 3 Field Installed Accessory Kit Part No. 621675-01-0 for use

with UL Listed Model Series FB2100 and FB2200.
Flow Computer CPU Box Option 4 Field Installed Accessory Kit Part No. 621676-01-0 for use

with UL Listed Model Series FB2100 and FB2200.
This procedure applies if you are replacing an entire CPU enclosure with its electronics. In addition,
most field replacements of components inside the CPU enclosure require you to remove the CPU
enclosure from the flow computer enclosure.

Detaching the CPU Enclosure from the Battery Compartment

1. Remove the HMI module. See
2. Disconnect the cable between the CPU enclosure and the sensor. See
Between the CPU Enclosure and the Sensor
3. Use a #2 Phillips-head screwdriver to loosen the four captive fastening screws that hold the
CPU enclosure to the battery compartment.
Removing the HMI Module
on page 7.
D301803X012
November 2020
on page 6 for details.
Disconnecting the Cable
7