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Reference Manual
00809-0100-4444, Rev AC
Section 5: Advanced Configuration Functionality
January 2015
Advanced Configuration Functionality
5.4 Additional parameters
The following parameters may be required for detailed configuration settings based on your
application.
5.4.1 Coil drive frequency
Use coil drive frequency to change the pulse rate of the coils. Choose one of the following options:
5 Hz - The standard coil drive frequency is 5 Hz, which is sufficient for nearly all
applications.
37 Hz - If the process fluid causes a noisy or unstable output, increase the coil drive
frequency to 37.5 Hz. If the 37 Hz mode is selected, perform the auto zero function for
optimum performance.
See “Auto zero” on page 131.
5.4.2 Process density
Use the process density value to convert from a volumetric flow rate to a mass flow rate using the
following equation:
Qm = Qv x p
Where:
Qm is the mass flow rate
Qv is the volumetric flow rate, and
p is the fluid density
5.4.3 Reverse flow
Use reverse flow to enable or disable the transmitter's ability to read flow in the opposite
direction of the flow direction arrow (see Figure 2-4 on page 12). This may occur when the
process has bi-directional flow, or when either the electrode wires or the coil wires are reversed
(see Troubleshooting 9.3.3: Remote wiring). This also enables the totalizer to count in the
reverse direction.
LOI menu path
Detailed Setup, More Params, Coil Frequency
Traditional fast keys
1,4,3,1
Device dashboard
2,2,8,3
LOI menu path Detailed Setup, More Params, Proc Density
Traditional fast keys 1,4,3,1
Device dashboard 2,2,8,2
LOI menu path
Detailed Setup, Output Config, Reverse Flow
Traditional fast keys
1,4,3,1
Device dashboard
2,2,5,1,5