Wika TIF52 Instrukcja Użytkownika Pobierz pdf (Strona 13)

WIKA operating instructions models TIF50, TIF52

14009686.02 03/2012 GB/D

6.1.2 Operating mode: HART

master (model DIH52)

The master mode enables the modication of the measuring range, the unit, the format,

the damping and the polling address of the connected HART

transmitter. Further

modications to the conguration of the transmitter (e.g. selection of the sensor) are not

possible.

During the starting procedure, the eld displays try to contact the connected HART

transmitter in the master mode and to apply its settings (unit and measuring range). During

the connection establishment, the status line shows the message "Connecting HART

®"

When a HART

sensor is detected, the HART

symbol is displayed. The eld indicator

switches to the HART

mode and starts operation using the settings received from the

transmitter. This procedure is repeated whenever the power supply is switched on.

When pressing any key during the starting process or the device has not detected any

HART

transmitter during approx. 70 seconds, the digital indicator switches to the basic

mode and starts operation on the basis of the factory settings.

6.2 Conguration

For conguration of the eld instrument a software (e.g. WIKA_T32) or a HART

communicator is necessary.

The following parameters can all be congured: sensor model, sensor connection, user

measuring range, output limit, alarm indication, terminal voltage monitoring, sensor break

monitoring, measuring range monitoring, measuring rate, damping, write protection, oset

values (1-point correction), TAG no. and user linearisation (custom characteristic curve).

Furthermore, a linear transformation of the process value is possible using a 2-point

correction.

User linearisation:

Via software, customer-specic sensor characteristics can be stored in the transmitter in

order to dene other sensor types. Number of auxiliary points: min. 2; max. 30. If more than

2 sensors are connected (dual sensor function) further congurations can be carried out.

With the dual sensor function, two identical sensors (resistance sensor or thermocouple)

with the same measuring range are connected and then processed together.

The eld instruments are delivered with a basic conguration (see data sheet TE 62.01) or

congured according to customer specications. If the conguration is changed afterwards,

the modications must be noted on the label using a water-resistant felt-tip pen.

A simulation of the input value is not required to congure the TIFxx. A sensor

simulation is only required for the functional test. For model TIF52 unit und

measuring range can be congured via operating unit.

6. Commissioning, operation

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