Honeywell ST 700 - Basic Setup Page; Pressure Transfer Fn; Low Flow Cutoff Mode; Device Information

Page 82 ST 700 Series HART/DE Option User’s Manual Revision 4.0
9.2.9 AVDD Tracking Diagnostics
Table 24 – Maximum and Minimum AVDD Tracking
Max AVDD
Parameter
Description
Maximum Sensor Supply Voltage
experienced by device since last reset of
voltage parameters.
Time since last
AVDD Up
Method
Description
Displays time since last Sensor Supply
Voltage was above last Max AVDD
Min AVDD
Method
Description
Minimum Sensor Supply voltage experienced
by device since last reset of voltage
parameters.
Time since
Last AVDD
Down
Method
Description
Displays time since last Sensor Supply
Voltage was below last Min AVDD
9.2.10 Sensor CPU Temperature Tracking Diagnostics
Table 25 – Maximum Sensor CPU Temperature Tracking
Max Sensor CPU
Temp.
Parameter
Description
Maximum Sensor CPU Temperature
experienced by device
Set-up
None.
Time Above
Upper Stress
Limit
Parameter
Description
Accumulation of minutes that Sensor
CPU Temperature has been above
the value of Max Sensor CPU Temp.
Set-up
None.
NVM
Update every 8 hours.
Time Since Last
Sensor CPU
Temp. Up
Method
Description
Time that has passed since the last
time Sensor CPU Temp. has passed
above the value of “Max Sensor CPU
Temp” (in days, hours and minutes).
Set-up
None.
NVM
Update every 8 hours.
Table 26 – Minimum Sensor CPU Temperature Tracking
Min Sensor CPU
Temp.
Parameter
Description
Minimum Sensor CPU Temperature
experienced by device
Set-up
None.
Time Below
Upper Stress
Limit
Parameter
Description
Accumulation of minutes that Sensor
CPU Temperature has been below
the value or Min Sensor CPU Temp.
Set-up
none
NVM
Update every 8 hours.
Time Since Last
Sensor CPU
Temp. Down
Method
Description
Time that has passed since the last
time Sensor CPU Temperature has
passed below the value of “Min
Sensor CPU Temp” (in days, hours
and minutes).
Set-up
None.
NVM
Update every 8 hours.