Table Of Contents - Emerson FB2100 Field Replacement Manual

FB2100/FB2200 Flow Computer CPU Enclosure and Electronics Field Replacement Guide
Replacing the CPU Enclosure, Electronics
You can replace the CPU enclosure and its individual boards in the field provided that
the replacement has the exact same part number and version.
There is considerable overlap between the different field replacement procedures for
the items covered in this guide. This guide presents several discrete tasks which are
used, and then references them in procedures as they are needed.
Required Tools
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Contents
Removing/Restoring Main Power ............................................................................. 3
Replacing the HMI Module ....................................................................................... 6
Disconnecting the Cable Between the CPU Enclosure and the Sensor ....................... 7
Detaching/Re-Attaching the CPU Enclosure from/to the Battery Compartment ........ 7
Removing/Replacing the CPU Enclosure Cover (Top) .............................................. 10
Removing/Replacing the Adapter Board ................................................................. 12
Removing/Replacing the CPU Board ....................................................................... 14
Removing/Replacing the Optional 6-Channel Expansion I/O Board ......................... 17
Removing/Replacing the Connectivity Board .......................................................... 19
Removing/Replacing the CPU Enclosure (Bottom) .................................................. 22
Restriction
Hazardous area approvals require that any part replaced in the field be the exact same
part (like for like). Upgrading or substituting different parts violates hazardous area
certification.
#1 Phillips-head screwdriver
#2 Phillips-head screwdriver
Torque wrench(es) covering ranges: 1 to 2 in-lbs. (0.1 to 0.2 N m), 4 to 6 in-lbs.
(0.5 to 0.7 N m), 5 to 7 in-lbs. (0.6 to 0.8 N m), 7 to 9 in-lbs. (0.8 to 1.0 N m)
Removing Main Power ..................................................................................... 4
Restoring Main Power ...................................................................................... 5
Removing the HMI Module ............................................................................... 6
Replacing the HMI Module ............................................................................... 7
Detaching the CPU Enclosure from the Battery Compartment .......................... 7
Re-attaching the CPU Enclosure to the Battery Compartment .......................... 9
Removing the CPU Enclosure Cover (Top) ...................................................... 10
Replacing the CPU Enclosure Cover (Top) ....................................................... 11
Removing the Adapter Board ......................................................................... 12
Replacing the Adapter Board .......................................................................... 14
Removing the CPU Board ............................................................................... 14
Replacing the CPU Board ................................................................................ 16
Removing the Optional 6-Channel Expansion I/O Board ................................. 18
Replacing the 6-Channel Expansion I/O Board ................................................ 18
Removing the Connectivity Board .................................................................. 20
Replacing the Connectivity Board ................................................................... 21
Removing the CPU Enclosure (Bottom) .......................................................... 22
Replacing the CPU Enclosure (Bottom) ........................................................... 23
D301803X012
June 2018
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