2.2 Basic Operation of the HART Communicator (Model 275)
2.2.1 Keys and Functions
LCD (Liquid crystal display)
(21 characters 8 lines)
Power ON/OFF
Shift keys
Use to enter alphabetic characters.
Figure 2.2.1 The HART Communicator
EJA:YOKOGAWA
Process variables
1 Pres
0.00 mmH2O
2 % rnge
0.00 %
3 A01 Out
4.000mA
4 Snsr temp
37.0C
5 Static Pres
HELP
HOME
2. HART COMMUNICATOR OPERATION
Communication Cable
Function keys
Functions of the keys are indicated on the
display.
Pressing
as shown changes the display to "Online"
menu. (See 2.2.2 "Display".)
Moves the highlighting cursor on the display to
select the desired item.
Hot key
Call up setting menu
1. Keypad Input
2. Enable Write
3. New Password
1. Changes the display contents.
2. Moves the position where a number or
character is to be entered.
Pressing
corresponding to the item pointed with the
highlighting cursor.
Pressing
display. (See 2.2.3.)
Alphanumeric keys
1. Enters numbers and characters.
2. Selects the desired menu item with the
corresponding number. (See 2.2.4.)
Pressing single key enters the number.
Pressing the key with shift key enters the
alphabetic character.
To enter "7",
To enter "C",
2-2
(HOME) when the display is
calls up the display
returns to the previous
(Press)
(ENTER)
"7"
"C"
F0202.EPS
IM 01C22T01-01E