Emerson MICRO MOTION 2700 - Page 7

12.3 Flow measurement problems ....................................................................................................220
12.4 Density measurement problems ...............................................................................................222
12.5 Temperature measurement problems .......................................................................................223
12.6 Milliamp output problems .........................................................................................................224
12.7 Frequency output problems ......................................................................................................225
12.8 Use sensor simulation for troubleshooting ................................................................................226
12.9 Check power supply wiring ........................................................................................................227
12.10 Check sensor-to-transmitter wiring ...........................................................................................227
12.11 Check grounding .......................................................................................................................228
12.12 Perform loop tests .....................................................................................................................228
12.12.1 Perform loop tests using the display ...........................................................................228
12.12.2 Perform loop tests using ProLink II ..............................................................................230
12.12.3 Perform loop tests using ProLink III .............................................................................231
12.12.4 Perform loop tests using the Field Communicator ......................................................233
12.13 Check for radio frequency interference (RFI) ..............................................................................234
12.14 Check the HART communication loop .......................................................................................235
12.15 Check HART Address and Loop Current Mode ............................................................................235
12.16 Check HART burst mode ............................................................................................................236
12.17 Check the trimming of the mA output .......................................................................................236
12.18 Check Lower Range Value and Upper Range Value ....................................................................236
12.19 Check mA Output Fault Action ..................................................................................................236
12.20 Check Frequency Output Maximum Pulse Width .......................................................................237
12.21 Check Frequency Output Scaling Method ..................................................................................237
12.22 Check Frequency Output Fault Action .......................................................................................237
12.23 Check Flow Direction .................................................................................................................237
12.24 Check the cutoffs ......................................................................................................................238
12.25 Check for slug flow (two-phase flow) .........................................................................................238
12.26 Check the drive gain ..................................................................................................................239
12.26.1 Collect drive gain data ................................................................................................240
12.27 Check the pickoff voltage ..........................................................................................................240
12.27.1 Collect pickoff voltage data ........................................................................................241
12.28 Check for electrical shorts ..........................................................................................................241
12.28.1 Check the sensor coils .................................................................................................242
12.29 Check the core processor LED ....................................................................................................243
12.29.1 Core processor LED states ...........................................................................................246
12.30 Perform a core processor resistance test ...................................................................................247
Appendices and reference
Appendix A Using the transmitter display .......................................................................................251
A.1 Components of the transmitter interface ..................................................................................251
A.2 Use the optical switches ............................................................................................................252
A.3 Access and use the display menu system ...................................................................................253
A.3.1 Enter a floating-point value using the display ..............................................................254
A.4 Display codes for process variables ............................................................................................257
A.5 Codes and abbreviations used in display menus ........................................................................259
A.6 Menu maps for the transmitter display ......................................................................................262
Appendix B Using ProLink II with the transmitter ...........................................................................273
B.1 Basic information about ProLink II ..............................................................................................273
B.2 Connect with ProLink II ..............................................................................................................274
B.2.1 ProLink II connection types .........................................................................................274
Contents
Configuration and Use Manual v