Emerson Rosemount 936 Reference Manual page 6

Contents
October 2021
6.6 Functional check........................................................................................................................57
Chapter 7 Maintenance............................................................................................................ 59
7.1 General maintenance................................................................................................................ 59
7.2 Periodic maintenance................................................................................................................ 59
Chapter 8 Troubleshooting...................................................................................................... 61
8.1 Maintenance call........................................................................................................................61
8.2 NQ Ratio below the permitted limit........................................................................................... 61
8.3 NQ Ratio above the permitted limit........................................................................................... 62
8.4 Ratio out of the limit.................................................................................................................. 62
8.5 Voltage less than 16 Vdc............................................................................................................62
Appendix A Wiring configurations.............................................................................................. 63
A.1 RS-485 communication network............................................................................................... 67
Appendix B SIL-2 features........................................................................................................... 69
B.1 Safety relevant parameters........................................................................................................ 69
B.2 General conditions for safe use.................................................................................................. 69
Appendix C Support....................................................................................................................71
C.1 Return of material......................................................................................................................71
Appendix D Short range model................................................................................................... 73
Appendix E Declaration of Conformity........................................................................................75
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Reference Manual
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