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Table 20 – Advanced Display with PV Format Display Indications
Display Indicator
Diagnostic / Maintenance
These indicators are
displayed in the upper
left corner of the screen
when the associated
conditions are present in
the transmitter.
PV Value
PV Status
ST 800 Pressure Transmitter User's Manual
86
D
Diagnostic condition present
This indicator is displayed any time a diagnostic is present in the
transmitter, either Critical or Non-Critical. If a Critical Diagnostic is
present, the message "Critical Diag" will flash at the top of the screen and
the appropriate Diagnostic screen will be inserted into the normal screen
rotation.
To determine which Non-Critical diagnostics are active, use the local
buttons to call up the Non-Critical diagnostics menu (Main
Menu\Diagnostics\Non-Critical. Refer to
concerning the Non-Critical diagnostics.
M
Maintenance Mode is active
This indicator is set by the Experion DCS. When this Mode is active, a
screen with the text "Available for Maintenance" will be inserted into the
normal screen rotation to make it easy to identify transmitters that are
available for maintenance.
User Configurable. This field has 7 characters.
Maximum allowable numeric value is 9999999 or -999999.
If fractional decimals are configured, the fractional positions will be dropped
as required.
If the PV exceeds 9999999 or -999999, the PV is divided by 1000 and "K" is
appended to the result, allowing a maximum value with multiplier of 999999K or
-99999K.
If the PV exceeds 999999K or -99999K, the PV is divided by 1,000,000 and
"M" is appended to the result, allowing a maximum value with multiplier of
999999M or -99999M.
Good The transmitter is operating normally
Bad
The transmitter has detected a fault condition.
The PV Status field will flash when this condition is present, and the PV
Value will be displayed on a black background as shown below:
Unc
Uncertain (this status is only available for FF transmitters) The
PV Value is outside of normal limits.
What It Means
Table 10
for details
Revision 15
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