Tecfluid TH7 Manuel d'utilisateur télécharger pdf (Page 10)

6 HART TRANSMITTERS

The TH7H and TH7TH transmitters have a modem for HART communication.

TH7H transmitters are fully compatible with the HART Server software from HART

Communication Foundation.

Tecfluid S.A. do not guarantee that the TH7H transmitter is compatible with the different

servers on the market.

When connecting the transmitter, an external resistor (R ext.) should be included. Its

minimum value is be 200  and the maximum value depends on the power supply as

follows:

In this case the power supply voltage needs to be 18 VDC minimum.

In order to establish HART communication, it is necessary to connect a terminal or PC

with a HART modem, in one of the points indicated in the following figure.

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 19 20

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Tecfluid TH7 Manuel d'utilisateur Page 10