Advanced Process Diagnostic Messages
(continued)
Table 12-2:
Error message
Potential cause
Corrective action
Use integral mount transmitter
Set coil drive frequency to 37Hz
Electrode Coating Level
1
Coating is starting to buildup on elec-
trode and interfering with measure-
ment signal
Schedule maintenance to clean electrode
Use bullet nose electrodes
Downsize sensor to increase flow rate above 3ft/s
(1ms)
Process fluid conductivity has changed Verify process fluid conductivity
Electrode Coating Level
2
Coating has built-up on electrode and
is interfering with measurement signal
Schedule maintenance to clean electrode
Use bullet nose electrodes
Downsize sensor to increase flow rate above 3ft/s
(1ms)
Process fluid conductivity has changed Verify process fluid conductivity
Advanced Meter Verification Messages
Table 12-3:
Error message
Potential cause
Corrective action
8714i Failed
Transmitter calibration verification
test failed
Verify pass/fail criteria
Rerun SMART
™
Meter Verification (8714i) under no
flow conditions
Verify calibration using 8714 Calibration Standard
Perform digital trim
Replace electronics board
Sensor calibration test failed
Verify pass/fail criteria
Rerun SMART Meter Verification (8714i)
Perform sensor tests - see
Sensor coil circuit test failed
Verify pass/fail criteria
Rerun SMART Meter Verification (8714i)
Perform sensor tests - see
Sensor electrode circuit test failed
Verify electrode resistance has a baseline (signa-
ture) value from a full pipe baseline
Verify test condition was selected properly
Verify pass/fail criteria
Rerun SMART Meter Verification (8714i)
Perform sensor tests - see
4-20 mA loop verifica-
tion failed
Analog loop not powered
Check 4-20 mA internal/external loop power switch
- see
Check external supply voltage to the transmitter
Troubleshooting
160
Rosemount
®
8732EM Transmitter with HART Protocol Reference Manual
Содержание Rosemount 8732EM
Страница 2: ......
Страница 6: ...Contents iv Rosemount 8732EM Transmitter with HART Protocol Reference Manual ...
Страница 10: ...Safety messages 4 Rosemount 8732EM Transmitter with HART Protocol Reference Manual ...
Страница 14: ...Introduction 8 Rosemount 8732EM Transmitter with HART Protocol Reference Manual ...
Страница 30: ...Sensor Installation 24 Rosemount 8732EM Transmitter with HART Protocol Reference Manual ...
Страница 87: ...Field Communicator Dashboard Menu Tree HART v5 4 part 2 Figure 7 8 Operation Reference manual 81 ...
Страница 92: ...Operation 86 Rosemount 8732EM Transmitter with HART Protocol Reference Manual ...
Страница 138: ...Advanced Diagnostics Configuration 132 Rosemount 8732EM Transmitter with HART Protocol Reference Manual ...
Страница 158: ...Maintenance 152 Rosemount 8732EM Transmitter with HART Protocol Reference Manual ...
Страница 214: ...Product Certifications 208 Rosemount 8732EM Transmitter with HART Protocol Reference Manual ...
Страница 217: ...Wiring 8732EM using combination cable Figure C 2 Wiring Diagrams Reference manual 211 ...
Страница 221: ...Wiring Diagram 475 Field Communicator with 8732EM External Analog Power Figure C 6 Wiring Diagrams Reference manual 215 ...
Страница 222: ...Wiring Diagrams 216 Rosemount 8732EM Transmitter with HART Protocol Reference Manual ...
Страница 253: ...Implementing a Universal Transmitter Reference manual 247 ...