Emerson 4500 Manuel D’Utilisation
Reference Manual
00809-0100-4027, Rev AA
December 2005
Rosemount 4500
4-10
10. Click Next at the “Setting fld dev output to 20mA” screen.
output value.
12. Select Next to acknowledge the loop can be returned to automatic
control.
13. Select Finish to acknowledge the method is complete.
Diagnostic Messages
In addition to output, the LCD display displays abbreviated operation, error,
and warning messages for troubleshooting. Messages appear according to
their priority; normal operating messages appear last. To determine the cause
of a message, use a HART Communicator or AMS to further interrogate the
transmitter. A description of each LCD diagnostic message follows.
and warning messages for troubleshooting. Messages appear according to
their priority; normal operating messages appear last. To determine the cause
of a message, use a HART Communicator or AMS to further interrogate the
transmitter. A description of each LCD diagnostic message follows.
Error Indicator
An error indicator message appears on the LCD display to warn of serious
problems affecting the operation of the transmitter. The meter displays an
error message until the error condition is corrected, and analog output is
driven to the specified alarm level. No other transmitter information is
displayed during an alarm condition.
problems affecting the operation of the transmitter. The meter displays an
error message until the error condition is corrected, and analog output is
driven to the specified alarm level. No other transmitter information is
displayed during an alarm condition.
FAIL MODULE
The transmitter is malfunctioning. Possible sources of problems include:
•
Pressure or temperature updates are not being received in the
Transmitter.
Transmitter.
•
A non-volatile memory fault that will affect transmitter operation has
been detected in the module by the memory verification routine.
been detected in the module by the memory verification routine.
Some non-volatile memory faults are user-repairable. Use a HART
Communicator or AMS to diagnose the error and determine if it is repairable.
Any error message that ends in “Factory” is not repairable.
Communicator or AMS to diagnose the error and determine if it is repairable.
Any error message that ends in “Factory” is not repairable.
FAIL CONFIG
A memory fault has been detected in a location that could effect transmitter
operation, and is user-accessible. To correct this problem, use a HART
Communicator or AMS to interrogate and reconfigure the appropriate portion
of the transmitter memory.
operation, and is user-accessible. To correct this problem, use a HART
Communicator or AMS to interrogate and reconfigure the appropriate portion
of the transmitter memory.
Warnings
Warnings appear on the LCD display to alert you of user-repairable problems
with the transmitter, or current transmitter operations. Warnings appear
alternately with other transmitter information until the warning condition is
corrected or the transmitter completes the operation that warrants the warning
message.
with the transmitter, or current transmitter operations. Warnings appear
alternately with other transmitter information until the warning condition is
corrected or the transmitter completes the operation that warrants the warning
message.
PV LIMIT
The process variable read by the transmitter is outside of the transmitter’s
range.
range.