Wika TIF52 Manual do Utilizador descarregar pdf (Página 12)

WIKA operating instructions models TIF50, TIF52

14009686.02 03/2012 GB/D

6. Commissioning, operation

In hazardous areas, only use eld instruments that are approved for those

hazardous areas. The approval is marked on the product label.

6.1 Operating modes

The following operating modes are possible:

■

Transmitter + HART

slave display (TIF50)

■

Transmitter + HART

master display (TIF52)

6.1.1 Operating mode: HART

slave (model DIH50)

The digital indicators powered via the same current loop as the corresponding transmitters

monitor permanently the HART

communication. When modifying the unit or measuring

range of the connected transmitter, the unit of the digital indicator and the corresponding

indication range are adapted automatically.

However, it is required that the unit set in the transmitter is also set in the devices.

A ashing ♥ symbol is shown on the display when a HART

communication takes place for

the rst time and the digital indicators are thus switched to the HART

mode. The ♥ symbol

is displayed permanently when the HART

communication is terminated and the digital

indicator is congured according to the measuring range and the unit of the connected

transmitter.

After the power supply was interrupted or the digital indicator was set manually, the ♥

symbol is no longer displayed.

During operation in the basic mode, the ♥ symbol is not displayed.

CAUTION!

The instruments react only to the HART

standard commands 15 and 35. If

a connected HART

transmitter is congured by means of other commands,

automatic setting is not possible!

The HART

function, i.e. the automatic adaptation of the display to the con-

gured data of the transmitter, requires a HART

communication between the

transmitter and the HART

software (e.g. WIKA_T32) or between the transmit-

ter and the eld communicator (e.g. FC375/FC475, MFC4150 etc.).

6. Commissioning, operation

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