Reference Manual
00809-0100-4664, Rev BA
January 2010
C-15
Rosemount 8712
Coil Signature
The Coil Signature is a measurement of the magnetic field strength. This
value is used as a baseline to determine if a sensor calibration shift has
occurred when the 8714i Meter Verification diagnostic is initiated.
Electrode Circuit Resistance
The Electrode Circuit Resistance is a measurement of the electrode circuit
health. This value is used as a baseline to determine if the electrode circuit is
still operating correctly when the 8714i Meter Verification diagnostic is
initiated.
8714i Meter Verification Measurements
The 8714i Meter Verification test will make measurements of the coil
resistance, coil signature, and electrode resistance and compare these values
to the values taken during the sensor signature process to determine the
sensor calibration deviation, the coil circuit health, and the electrode circuit
health. In addition, the measurements taken by this test can provide additional
information when troubleshooting the meter.
Coil Circuit Resistance
The Coil Circuit Resistance is a measurement of the coil circuit health. This
value is compared to the coil circuit resistance baseline measurement taken
during the sensor signature process to determine coil circuit health.
Coil Signature
The Coil Signature is a measurement of the magnetic field strength. This
value is compared to the coil signature baseline measurement taken during
the sensor signature process to determine tube calibration deviation.
Electrode Circuit Resistance
The Electrode Circuit Resistance is a measurement of the electrode circuit
health. This value is compared to the electrode circuit resistance baseline
measurement taken during the sensor signature process to determine
electrode circuit health.
HART Fast Keys 1,2,3,3,3,1,2
LOI Key XMTR INFO
AMS Tab Config/Setup, 8714i
HART Fast Keys 1,2,3,3,3,1,3
LOI Key XMTR INFO
AMS Tab Config/Setup, 8714i
HART Fast Keys 1,2,3,3,5,1
LOI Key XMTR INFO
AMS Tab Config/Setup, 8714i
HART Fast Keys 1,2,3,3,5,2
LOI Key XMTR INFO
AMS Tab Config/Setup, 8714i
HART Fast Keys 1,2,3,3,5,3
LOI Key XMTR INFO
AMS Tab Config/Setup, 8714i
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