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4
Electrical connection
4.1
General
Observe the corresponding instructions for the electrical installation. Only connect in dead-
voltage state!
Since the sensor and transmitter have no switch-off elements, overvoltage protection devices,
lightning protection or voltage separation capacity must be provided on the plant side.
The following applies to devices with a transmitter: Energy supply and signal are routed in the
same line and are to be implemented as SELV or PELV circuit according to norm (standard
version).
In the ignition-proof version, the guidelines according to the ignition-proof norms are to be
adhered to. It must be checked whether the existing power supply corresponds with the
specifications on the model plate and in the technical specifications (see chapter "Technical
specifications" and/or data sheet).
Note
The electrical connection is carried out with the temperature sensor/transmitter in the installed
state.
The signal cable wires must be provided with wire end sleeves.
The maximum connectable conductor cross-section amounts to 1.5 mm
head screws of the connection terminals are tightened with a size 1 screwdriver (3.5 mm or 4
mm). Observe the diameter of the selected cable gland. (See the installation chapter).
4.1.1
Cables and wires
•
Only use isolated cables and wires whose tested voltage between wire - ground, wire -
shielding and shielding - ground amounts to at least 500 V AC.
•
Use wire end sleeves for fine-wire wires.
•
The cables used must fulfill the valid requirements with regards to strength and temperature
for the particular application case.
•
The electrical connection wires must be run so that mechanical damage is impossible.
•
For the use of PROFIBUS, the running of the wires is performed according to EN 50 170 for
PROFIBUS PA.
•
For the use of FOUNDATION Fieldbus the running of the wires is performed according to
IEC61158.
4.1.2
Electrical connection in explosion risk area
The electrical installation may only be performed by specialist personnel who have knowledge
of the concept of the corresponding Ex or ignition-proof types. Compliance with the Ex
temperature classes must be ensured through suitable measures.
The documents belonging to the EC prototype inspection document are explicitly part of these
operating instructions and must be mandatorily complied with.
The temperature sensors must be included in the potential equalization.
CI/TSP-X1
SensyTemp TSP
Electrical connection
2
(AWG14). The cross-
EN - 11
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