Varec 2920, Инструкция по установке и эксплуатации, Страница: 61 / 194

Varec, Inc. 51
Chapter 5
Display and Configuration Interface
The 2920 FTT local display serves two functions: It displays tank information and
communication status indicators as well as allows you to program all features and functions of
the 2920 FTT. A hot work permit is not required when configuring the Transmitter. The display
provides a system of menus that navigates you through the set up process. The digital display
is shown in the following figure.
Indicators
By default, the display shows the Tank Level, Tank Temperature, and status indicators on both
the left and right lower portion of the display, as shown below:
The left status indicators display when the unit is communicating with other components, as
follows:
Indicator
Symbol Description
F Field communications that shows valid communication transactions with a Host system.
The indicator clears after a few seconds of inactivity.
L Local communications that shows valid communication transactions with ViewRTU
using the local RS-232 port. The indicator clears after a few seconds of inactivity.
H HART communications that shows valid communication transactions with one or more
HART Slave devices. The indicator clears after a few seconds of inactivity.
Field
Local
HART
Input
Output
Heartbeat
TANK Level
10.314 ft
F
L
H
TANK Temp
180.7 F
0
0