Siemens SITRANS TH Notice De Service page 11

Note
Reverse polarity protection
The display module has integrated reverse polarity protection. The display module will not function if the polarity is
reversed, but will not be damaged. Make sure the polarity is correct. If the display module does not function, reverse the
polarity of the plug-in connector.
5. Using the two M4 screws
the SITRANS TF field housing.
Torque approx. 2.5 Nm.
6. Use the three buttons to assign parameters to the display module
7. Screw the cover back into place. We recommend using a cover with an inspection window, e.g. 7MF4997-1BE.
8. To remove the display module, follow the reverse procedure.
4 Connection
WARNING
Unsuitable cables and/or cable glands
Danger of explosion in hazardous areas.
● Only use suitable cables and cable glands complying with the requirements specified in Chapter "Technical data
(Page 26)".
● Tighten the cable glands in accordance with the torques specified in Chapter "Technical data (Page 26)".
● When replacing cable glands use only cable glands of the same type.
● After installation check that the cables are seated firmly.
WARNING
Dangerous contact voltage
Danger of electric shock in case of incorrect connection.
● For the electrical connection specifications, refer to the information in Chapter "Technical data (Page 26)".
● At the mounting location of the device observe the applicable directives and laws for installation of electrical power
installations with rated voltages below 1000 V.
NOTICE
Ambient temperature too high
Damage to cable sheath.
● At an ambient temperature ≥ 60 °C (140 °F), use heat-resistant cables suitable for an ambient temperature at least 20
°C (68 °F) higher.
WARNING
Improper power supply
Danger of explosion in hazardous areas as result of incorrect power supply, e.g. using direct current instead of alternating
current.
● Connect the device in accordance with the specified power supply and signal circuits. The relevant specifications can
be found in the certificates, in Chapter "Technical data (Page 26)" or on the nameplate.
SITRANS TH/TR/TF
A5E32363963-02, 09/2021
⑧
supplied, attach the display module to the two spacers
⑤
in the electronics compartment of
②
.
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