Revision 1.0 SMV800 Modbus User's Guide Page 79
Pressure Module
Diagnostics – Advanced Diagnostics – Modules – Pressure Module
Key: Plain = Read only Bold = Configurable Bold underline = Method Bold italic = Table or graph
The Pressure Module Installation Date
Percent of Pressure Sensor module service life spent in
stressful conditions. Indicates the % of service life where
one or more of Differential Pressure, Static Pressure,
processor core temperature, or electronics temperature are
within 10% of respective range limits.
Percent of the expected Service Life that the Pressure
Module has been in service. Value is based on electronics
temperature. Service life accumulates faster at higher
temperatures with an exponential relationship.
Total time that the Pressure Module has been in service.
Time based on the Tranmsitter Install Date.
The highest measured value of the Differential Pressure
input
The total number of minutes that the Differential Pressure
input has exceeded the upper stress limit
The lowest measured value of the Differential Pressure input
The total number of minutes that the Differential Pressure
input has been below the lower stress limit
High Differential Pressure stress limit – if the Differential
Pressure input exceeds this limit, the DP Up Count and DP
Up Timestamp will be updated. Value is equal to “Max DP
Limit” minus 10% of limits range.
Displays time elapsed since the Differential Pressure was
last measured as exceeding the DP Up Limit
Low Differential Pressure stress limit – if the Differential
Pressure input drops below this limit, the DP Down Count
and DP Down Timestamp will be updated. Value is equal to
“Min DP Limit” plus 10% of limits range.
Displays time elapsed since the Differential Pressure was
last measured as lower than the DP Down Limit
The highest measured value of the Static Pressure input
The total number of minutes that the Static Pressure input
has exceeded the upper stress limit
High Static Pressure stress limit – if the Static Pressure input
exceeds this limit, the SP Up Count and SP Up Timestamp
will be updated. Value is equal to “Max SP Limit” minus 10%
of limits range.
Displays time elapsed since the Static Pressure was last
measured as exceeding the SP Up Limit
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