Emerson Rosemount 935, Reference Manual

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7.2 Detector is in constant Obscuration mode.................................................................................49
7.3 Detector is in constant Saturation mode....................................................................................49
7.4 Detector is in constant Misalignment mode...............................................................................50
7.5 Detector at V fault..................................................................................................................... 50
7.6 Internal fault.............................................................................................................................. 50
7.7 NQ Ratio below the permitted limit........................................................................................... 51
7.8 NQ Ratio above the permitted limit........................................................................................... 51
7.9 Ratio out of the limit.................................................................................................................. 51
7.10 Source fault............................................................................................................................. 51
Appendix A Ordering information...............................................................................................53
A.1 Online product configurator...................................................................................................... 53
A.2 Model codes.............................................................................................................................. 53
A.3 Specifications and options.........................................................................................................53
A.4 Source (Transmitter)................................................................................................................. 53
A.5 Detector (Receiver)................................................................................................................... 54
Appendix B Specifications...........................................................................................................57
B.1 General specifications................................................................................................................57
B.2 Electrical specifications..............................................................................................................57
B.3 Mechanical specifications.......................................................................................................... 59
B.4 Environmental specifications..................................................................................................... 60
Appendix C Product certifications...............................................................................................63
C.1 ATEX and IECEx..........................................................................................................................63
C.2 UK CA........................................................................................................................................ 63
C.3 FM/FMC.....................................................................................................................................63
C.4 SIL-2.......................................................................................................................................... 63
C.5 Functional approval................................................................................................................... 64
Appendix D Wiring configurations.............................................................................................. 65
D.1 RS-485 communication network............................................................................................... 69
Appendix E SIL-2 features........................................................................................................... 71
E.1 Safety relevant parameters........................................................................................................ 71
E.2 General conditions for safe use.................................................................................................. 71
Appendix F Support....................................................................................................................73
F.1 Return of material...................................................................................................................... 73
Appendix G Declaration of Conformity........................................................................................75
Contents Reference Manual
May 2022 00809-0100-4035
6 Emerson.com/Rosemount