Emerson Rosemount OCX 8800 - Page 9

7.12 Input selector (ISEL) function block ............................................................................................ 181
7.12.1 Block errors ................................................................................................................. 185
7.12.2 Modes ......................................................................................................................... 185
7.12.3 Alarm detection ...........................................................................................................186
7.12.4 Block execution ........................................................................................................... 186
7.12.5 Status handling ............................................................................................................187
7.12.6 Application information ...............................................................................................187
7.12.7 Troubleshooting ..........................................................................................................189
7.13 Operation with Emerson DeltaV ................................................................................................. 189
7.13.1 About AMS and DeltaV software ..................................................................................189
Chapter 8 Troubleshooting .......................................................................................................... 193
8.1 Overview ....................................................................................................................................193
8.1.1 Grounding ................................................................................................................... 193
8.1.2 Electrical noise .............................................................................................................193
8.1.3 Electrostatic discharge ................................................................................................ 193
8.1.4 Total power loss ...........................................................................................................194
8.2 Diagnostic alarms .......................................................................................................................196
8.3 Fault isolation .............................................................................................................................196
8.4 Alarm relay events ......................................................................................................................205
Chapter 9 Maintenance and service .............................................................................................. 209
9.1 Overview ....................................................................................................................................209
9.2 Removal and installation ............................................................................................................ 209
9.2.1 OCX with integral electronics ...................................................................................... 209
9.2.2 OCX with remote electronics ....................................................................................... 213
9.2.3 Repair sensor housing ..................................................................................................216
9.2.4 Sensor housing assembly .............................................................................................233
9.3 Repair electronics housing ......................................................................................................... 248
9.3.1 Electronics housing disassembly ..................................................................................248
9.3.2 Electronics housing assembly ...................................................................................... 252
Chapter 10 Replacement parts ....................................................................................................... 255
10.1 Sensor housing ...........................................................................................................................255
10.2 Electronics housing .................................................................................................................... 259
10.3 O
2
cell and heater strut assembly ............................................................................................... 262
Appendices and reference
Appendix A Safety data ................................................................................................................... 265
A.1 Safety Instructions ..................................................................................................................... 265
A.2 Safety data sheet for ceramic fiber products .............................................................................. 266
A.2.1 Identification ............................................................................................................... 266
A.2.2 Physical data ................................................................................................................266
A.2.3 Hazardous ingredients .................................................................................................267
A.2.4 Fire and explosion data ................................................................................................ 267
A.2.5 Health hazard data ...................................................................................................... 267
A.2.6 Reactivity data .............................................................................................................269
A.2.7 Spill or leak procedures ................................................................................................269
A.2.8 Special precautions ......................................................................................................269
Contents
Reference Manual v