Connecting; Safety Notes - Siemens SITRANS TH400 Operating Instructions Manual

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Connecting

5.1

Note

National regulations

Be sure to observe the regulations valid and relevant in your country.

Note

To improve the interference immunity:

• Lay signal cables separately from cables with voltages > 60 V.

• Use cables with twisted wires.

• Avoid getting too close to large electrical systems or use shielded cables.

• Use shielded cable to guarantee the full specification according to PROFIBUS PA or

• Use only cable entries and covers that are approved for the relevant use.

• At an ambient temperature T ≥ 60 °C, use heat-resistant cables approved for an ambient

• Use cables with wires that have a maximum cross-sectional area of 2.5 mm

See also

Connection diagrams (Page 24)

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

• Tighten the cable glands in accordance with the torques specified in Chapter "Technical

• When replacing cable glands use only cable glands of the same type.

• After installation check that the cables are seated firmly.

SITRANS TH400

Operating Instructions, 03/2014, A5E01018688-03

FOUNDATION Fieldbus.

temperature of at least 20 K higher.

WARNING

Chapter "Technical data".

data".

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