Siemens SITRANS TH100, Operating Instructions Manual

Page: 19 / 50

SITRANS TH100
Operating Instructions, 06/2010, A5E00331168-02
19
Connecting
5
5.1 Safety information on connecting up
5.1.1 General safety notes on the connection
Note
To improve the resistance:

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 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
temperature of at least 20 K higher.
 Use cables with wires that have a maximum cross-sectional area of 2.5 mm
2
.