Honeywell SMV800 - Page 210

Page 198 SMV800 Modbus User's Guide Revision 1.0
Warning
Flow Calculation
Fault
During setup and
configuration of the
flow
algorithm
parameters,
insufficient
configuration
or invalid parameter
values have been
entered
which are causing a
division by zero math
error
in the flow calculation
Carefully review the
flow algorithm
parameter
values that have been
configured. Correct
any errors. When the
flow is showing a
good value and this
status is cleared,
reset the device to
clear any Critical
Status that may have
been generated due
to the bad flow
calculation.
Parameters to check:
For Primary Elements
/ Algorithms other
than Pitot Tube
(Algorithm Option =
ASME 1989
Algorithms) and for
any Elements
(including Average
Pitot Tube, Algorithm
Option = Advanced
Algorithms)
Pipe Diameter D
cannot be equal to
Bore Diameter d
d must be > 0
D must be > 0
d < D
For primary element /
algorithm = Pitot Tube
(applicable to
Algorithm Option =
ASME 1989
Algorithms only)
Pipe Diameter D must
be equal to Bore
Diameter d
alpha_D must be
equal to alpha_d
D = d and alpha_D =
alpha_d
D and d must be > 0
alpha_D and alpha_d
must be > 0
Primary Element =
Wedge
Segment Height H <
D H and D > 0
Viscosity and Density
Coefficeints (as
applicable)
Make sure at least
one of the Viscosity
coefficients > 0
Make sure at least
one of the Density
coefficients > 0
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