Process Display; Error Messages On The Hart® Lcd Display - ABB TTH300 Series Operating Instruction

34 TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E
... 11 Operation

Process display

1 -
25.7
PV
3
1 Measuring point tagging (Device
TAG)
2 Current process values
Figure 25: Process display (example)
The process display appears on the LCD display when the device
is powered on. It shows information about the device and
current process values.
The way in which the current process values are shown can be
adjusted on the configuration level.
The symbols at the bottom of the process display are used to
indicate the functions of the operating buttons
addition to other information.
Symbol Description
Call up information level.
Call up configuration level.
The device is protected against changes in the parametrization.
2
°C
100%
4 3
A11124
3 'Button function' symbol
4 'Parameterization protected'
symbol
and
Error messages on the HART® LCD display
If the event of an error, a message consisting of a symbol or
letter (device status) and a number (DIAG NO.) will appear at the
bottom of the process display.
Process display
Application F72
The diagnostic messages are divided into the following groups
in accordance with the NAMUR classification scheme:
Symbol - Description
Letter
I OK or Information
C Check Function
, in
S Off Specification
M Maintenance
Required
F Failure
The error can then be read in plain-text format on the 'Diagnosis'
information level.
Additionally, the diagnostic messages are divided into the
following areas:
Range
Electronics
Sensor
Installation /
Configuration
Operating conditions
Note
For a detailed description of the errors and notices on
troubleshooting, see Diagnosis / error messages on page 54.
Device is functioning or information is
available
Device is undergoing maintenance (for
example simulation)
Device or measuring point is being
operated outside of the specifications
Request service to prevent the measuring
point from failing
Error; measuring point has failed
Description
Diagnosis for device hardware.
Diagnosis for sensor elements and connection
lines.
Diagnosis for communication interface and
parameterization / configuration
Diagnosis for ambient and process conditions.