User Manual

<2. Basic Operation of the HART Communicator (Model 275)>

2-2

IM 11M12D01-51E

2.2 Display

The HART Communicator automatically searches for AV550G on the 4 to 20 mA loop when it is

turned on. When the HART Communicator is connected to a AV550G, it displays “Online” menu as

shown below.

(If AV550G is not found, the communicator displays the message “No Device Found. Press OK....”

Press the OK ‘F4’ function key and the main menu appears. Please retry after conrming the

connection with the AV550G.)

Figure 2.2 Display

<1> appears and ashes during communication between the HART Communicator and

the AV550G. In Burst mode*, appears.

<2> The current display menu title appears.

<3> Each item in menu of <2> appears.

<4> and/or appear when the items are scrolled out of the display.

<5> On any given menu, the label appearing above a function key indicates the function of that key

in the current menu.

Note: (*) Refer to “3.2.1 Burst Mode”.

AV550G:

Device setup

Online

2 PV

3 PV URV

4 PV LRV

21.64

SAVE

F020201.ai

Manufacturer’s Field Device

Type Code

Tag (8 Characters)

<1>

<2>

<3>

<4>

<5>

appears when the voltage

level of the battery is low

Function keys

The highlighting cursor

Pressing one of the SHIFT keys

makes the arrow mark

orresponding to the pressed key

appear.