Page 192
SMV800 Modbus User's Guide
Revision 1.0
Device
Variables
Status
Bad DP
The Differential
Pressure input
measurement
is far outside the
specified range. The
meter body may be
damaged.
The status is set if
any of the critical
faults is set.
Refer register 116
status bits for more
details and
resolution.Verify that
all inputs are within
specifications.
Bit - 0
117
Bad MBT
The Meter body
Temperature
measurement
is far outside the
specified range. The
meter body may be
damaged.
The status is set if
any of the critical
faults is set.
Reset the device. If
the problem
persists,replace the
Meter body.
Refer register 116
status bits for more
details and resolution.
Bit -1
Bad PT
The Process
Temperature input
measurement is far
outside the specified
range. The
Temperature module
may be
damaged.
Refer register 116
status bits for more
details and resolution.
Verify that all inputs
are within
specifications
Bit - 2
Bad SP
The Static Pressure
input measurement is
far outside the
specified range. The
meter body may be
damaged. The status
is set if any of the
critical faults is set.
Refer register 116
status bits for more
details and resolution.
Verify that all inputs
are within
specifications
Bit - 3
Bad Flow
The Flow calculation
has failed. Possible
causes are:
• Bad
DP/SP/MBT/PT input
• Invalid flow
algorithm
configuration
• Firmware flow
control fault
• Any one critical fault
is set
If Bad
DP/MBT/SP/PT
status is set, follow
the resolution
suggested.
If Bad Flow is a result
of an invalid algorithm
configuration other
statuses will be set to
clarify the issue.
Correct the
configuration
parameters and
recheck the
calculated raw flow
(register : 389-390) .
A power cycle is
recommended here to
reset
and get correct
reading.
If a Flow Control Fault
is set, reset the
device. If the problem
persists, replace the
Meter Body.
Bit - 4
Summary of Contents for SMV800
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Page 95: ...Revision 1 0 SMV800 Modbus User s Guide Page 83 2 5 4 Review ...
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Page 103: ...Revision 1 0 SMV800 Modbus User s Guide Page 91 Maintenance Menu ...
Page 104: ...Page 92 SMV800 Modbus User s Guide Revision 1 0 2 7 1 Advanced Diagnotics Menu ...
Page 105: ...Revision 1 0 SMV800 Modbus User s Guide Page 93 2 7 2 Monitoring Menu ...
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