Emerson Rosemount OCX8800 Instruction Manual page 16

Table of
Contents
April 2017
Section 8: Troubleshooting
Section 9:Maintenance and Service
VI
7.15.1 Block Errors ......................................................................................... 160
7.15.2 Modes ................................................................................................. 161
7.15.3 Alarm Detection .................................................................................. 161
7.15.4 Block Execution ................................................................................... 161
7.15.5 Status Handling ................................................................................... 162
7.15.6 Application Information ...................................................................... 162
7.15.7 Troubleshooting ................................................................................. 164
7.16 Operation with Emerson DeltaV ....................................................................... 164
7.16.1 About AMS and DeltaV Software ......................................................... 164
8.1 Section contents ................................................................................................ 167
8.2 Overview ....................................................................................................... 167
8.2.1 Grounding ........................................................................................... 167
8.2.2 Electrical Noise .................................................................................... 167
8.2.3 Electrostatic Discharge ........................................................................ 167
8.2.4 Total Power Loss.................................................................................. 167
8.3 Diagnostic Alarms .............................................................................................. 168
8.4 Fault Isolation ..................................................................................................... 169
8.5 Alarm Relay Events ............................................................................................. 177
9.1 Section contents ................................................................................................ 179
9.2 Overview ............................................................................................................ 179
9.3 OCX 8800 Removal and Installation .................................................................... 180
9.3.1 OCX with Integral Electronics .............................................................. 180
9.3.2 Install Hazardous Area OCX 8800 ........................................................ 183
9.3.3 OCX with Remote Electronics .............................................................. 183
9.3.4 Install Sensor Housing ......................................................................... 185
9.3.5 Remove Remote Electronics Housing .................................................. 186
9.3.6 Install Remote Electronics Housing ...................................................... 188
9.4 Repair Sensor Housing ........................................................................................ 189
9.4.1 Sensor Housing Disassembly ............................................................... 189
9.4.2 Remove O2 Cell and Heater Strut Assembly ......................................... 191
9.4.3 Remove Sample Block Heater Rods ..................................................... 191
9.4.4 Remove COe Sensor Assembly ............................................................ 192
9.4.5 Remove Eductor .................................................................................. 196
9.4.6 Disassemble COe Sensor Assembly ...................................................... 202
9.4.7 Sensor Housing Assembly ................................................................... 203
9.4.8 Assemble O2 Sensor and Heater Strut Assembly .................................. 205
9.4.9 Install Sample and Exhaust Tubes ........................................................ 205
9.4.10 Install Eductor ..................................................................................... 206
9.4.11 Install COe Sensor Assembly ................................................................ 208
9.4.12 Install Sample Block Heater Rods ......................................................... 212
Instruction Manual
IM-106-880C, OI
Section 8:
Troubleshooting