Honeywell SmartLine STT700 DE, User Manual

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Page 98
STT700 Series HART/DE Option User’s Manual
Revision 1
8.2.5 Installation and Device Life
The below table provides the diagnostic details related to installation and device life such as install
dates of transmitter sensors, service life and time in service recorded, and saving of the record into
Non-Volatile Memory (NVM) of the transmitter
.
Table 18
– Installation and Device Life Diagnostics
Transmitter
Install Date Parameter Description Transmitter install date written into device
Set-up None
NVM Update into NVM immediately
Note One time writable into device
Sensor 1 Install
date Parameter Description Sensor1 Install date written into device
Set-up None
NVM Update into NVM immediately
Sensor 2 Install
Date Parameter Description Sensor2 Install date written into device
Set-up None
NVM Update into NVM immediately
Time in Service
Parameter Description Total time of the device being operational in
minutes.
Set-up None.
NVM Update into NVM immediately
Service Life Parameter Description Value of the device life already consumed.
Set-up None
– units always in %.
NVM Update every 7.5 hour.
8.2.6 Operating Voltage Diagnostics
The below table provides the diagnostic details related to operating voltage parameters such as
minimum, current output voltages, terminal voltage and Vcc recorded and retention of the record
into Non-Volatile Memory (NVM) of the transmitter
.
The table lists the methods to read the diagnostic
parameter values.
Table 19
– Operating Voltage Diagnostics
Current Op
Voltage Parameter Description Operating voltage available at device
terminals.
Set-up None
– units always in volts.
NVM None
– no action
Note Accuracy is not specified for this
measurement.
This value is intended to be used for
informational purposes only and should not
be used for control.
Min Op Voltage Parameter Description Minimum operating voltage experienced by
device at terminals since last reset of
operating voltage parameters.
Set-up User can reset as desired using method
described in item below.
NVM Backup once each 7.5 hour period