Rosemount 8732 Series, Справочное руководство

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Reference Manual
00809-0100-4663, Rev BA
January 2010
3-5
Rosemount 8732
DIAGNOSTIC
MESSAGES
The following error messages may appear on the LOI screen. See Table 6-4
on page 6-5 for potential causes and corrective actions for these errors:
• Electronics Failure
• Coil open circuit
• Digital trim failure
• Auto zero failure
• Auto trim failure
• Flowrate > sensor limit
• Analog out of range
• PZR activated
• Electronics Temp Fail
• Pulse out of range
• Empty pipe
• Reverse flow
• Electronics temp out of range
The following error messages may appear on the LOI screen. See Table 6-4
on page 6-5 for potential causes and corrective actions for these errors:
• High Process Noise
• Grounding/Wiring Fault
• 4-20 mA Loop Verification Failed
• 8714i Failed
Review
The 8732 includes a capability that enables you to review the configuration
variable settings.
The flowmeter configuration parameters set at the factory should be reviewed
to ensure accuracy and compatibility with your particular application of the
flowmeter.
NOTE
If you are using the LOI to review variables, each variable must be accessed
as if you were going to change its setting. The value displayed on the LOI
screen is the configured value of the variable.
PROCESS VARIABLES
The process variables measure flow in several ways that reflect your needs
and the configuration of your flowmeter. When commissioning a flowmeter,
review each process variable, its function and output, and take corrective
action if necessary before using the flowmeter in a process application
Process Variable (PV) – The actual measured flow rate in the line. Use the
Process Variable Units function to select the units for your application.
Percent of Range – The process variable as a percentage of the Analog
Output range, provides an indication where the current flow of the meter is
within the configured range of the flowmeter. For example, the Analog Output
range may be defined as 0 gal/min to 20 gal/min. If the measured flow is 10
gal/min, the percent of range is 50 percent.
Fast Keys 1, 5
Fast Keys 1, 1