Filter
Top Products
1-5
LIQUID CRYSTAL DISPLAY (LCD)
The LCD is an 8-line by 21-character display that provides communication
between you and the connected device. When you connect to a HART-
compatible device, the top line of each Online menu displays the model
name of the device and its tag. The bottom line of each menu is reserved for
the dynamic labels for each software-defined function key, F1-F4 (found
directly below the display).
These dynamic labels display available functions. For example, the label
appears above the F1 key when access to online help is available.
See Software-Defined Function Keys on page 1-6 for more information.
The Communicator does not store key strokes in its memory. The LCD
should be fully displayed before you press a key to do the next action.
THE ACTION KEYS
Theactionkeys(Figure 1-1) are the six blue, white, and black keys located
above the alphanumeric keys. The function of each key is described as
follows:
On/Off Key
Use this key to power up and power off the HART Communicator.
When you power up the Communicator, it automatically searches for
a HART-compatible device on the 4-20 mA loop. If a device is not found, the
Communicator displays the message “No Device Found. Press OK....” Press
the OK ‘F4’ function key and the Main menu displays on the screen. See
Main Menu on page 1-12.
If a HART-compatible device is found, the Communicator displays the Online
menu. See Online Menu on page 1-19.
Refer to Getting to Know the HART Communicator on page 1-9,
Section 3, or your device-specific manual for more information about Online
menu options.
You can select the Polling option to direct the HART Communicator to look
for devices at multidrop addresses. See Polling Menu on page 1-23 for
details.
During certain operations, the message “OFF KEY DISABLED” indicates
that you cannot turn the HART Communicator off. This feature helps you
avoid unintentionally turning off the power to the HART Communicator while
the output of a device is fixed or when you are editing a device variable.
HELP