IM 01C22T01-01E
2-2
2. HART COMMUNICATOR OPERATION
2.2 Basic Operation of the HART Communicator (Model 275)
2.2.1 Keys and Functions
LCD (Liquid crystal display)
(21 characters
×
8 lines)
Communication Cable
Function keys
Functions of the keys are indicated on the
display.
Pressing (HOME) when the display is
as shown changes the display to “Online”
menu. (See 2.2.2 “Display”.)
Hot key
Call up setting menu
1. Keypad Input
2. Enable Write
3. New Password
Shift keys
Use to enter alphabetic characters.
1. Changes the display contents.
2. Moves the position where a number or
character is to be entered.
Pressing calls up the display
corresponding to the item pointed with the
highlighting cursor.
Pressing returns to the previous
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.
Moves the highlighting cursor on the display to
select the desired item.
To enter “7”,
To enter “C”,
“7”
“C”
(Press)
(ENTER)
Power ON/OFF
F0202.EPS
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
Figure 2.2.1 The HART Communicator
