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Electrical connection – WIKA TGT73 User Manual

Page 18

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GB

14028755.02 08/2012 GB/D/F/E

18

WIKA operating instructions model TGT73

8. Electrical connection

The electrical connection of the transmitter is made through an

angular connector. The exact pin assignments can be found in the

following drawings. In addition, the pin assignment, output signal and

the required power supply are stated on the product label.

Explanation of the terminal assignments used:

U

B+

Positive terminal of the power supply

0 V

Negative terminal of the power supply

Sig+ Positive terminal of the output signal

Sig- Negative terminal of the output signal
The instruments must be connected to the equipotential bonding of

the plant.

Designation of terminal connectors

Terminals 1 and 2 are the connection terminals for the signal

output and the power supply, respectively. The terminal labelled

PE (protective earth) is internally connected to the casing. The

connections 3 to 6 or 4 to 6 in the 3-wire variant, should be left free

and must not be used as points (see also chapter 3 "Specifications").

WARNING!

The gas-actuated thermometer with integrated rotary

encoder must be grounded through the thermometer

housing and through the ground terminal in the angular

connector.

8. Electrical connection