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

36 TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. G
... 10 Operation

Process display

1 Measuring point tagging (Device
TAG)
2 Current process values
Figure 24: 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.
From SW-Rev. 3.00, two process variables can also be optionally
displayed: one is displayed on top of the other.
Symbol Description
Call up information level.
Call up configuration level.
The device is protected against changes in the parametrization.
3 'Button function' symbol
4 'Parameterization protected'
symbol
and , in
Error messages in the HART® LCD display
In the event of an error, different information appears
depending on the revision:
• To SW-Rev. 1.03: A symbol or letter (Device Status) and a
number (DIAG.NO.)
• As of SW-Rev. 3.00: Corresponding device status symbol
and associated diagnostics group.
Process display
Application F72
Process display
Sensor
The diagnostic messages are divided into the following groups
in accordance with the NAMUR classification scheme:
Symbol Status Description
letter* symbols
according to
NAMUR NE
107**
I not OK or Information
applicable
C Check Function
S Off Specification
M Maintenance Required Request service to prevent
F Failure
* To SW-Rev. 1.03
** From SW-Rev. 3.00
To SW-Rev. 1.03
From SW-Rev. 3.00
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
the measuring point from
failing
Error; measuring point has
failed