Making The Electrical Connection - WIKA TSD-30 Manual De Instrucciones

6. Commissioning, operation

6.2 Making the electrical connection

The instrument must be earthed via the process connection.
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The power supply for the temperature switch must be made via an energy-limited electrical circuit in
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EN
accordance with section 9.3 of UL/EN/IEC 61010-1 or an LPS to UL/EN/IEC 60950-1 or class 2 in
accordance with UL1310/UL1585 (NEC or CEC).
The power supply must be suitable for operation above 2,000 m should the temperature switch be
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used at this altitude.
For cable outlets, make sure that no moisture enters at the cable end.
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Connection diagramms
Circular connector M12 x 1, 4-pin
Assignment
U+ U-
1 3
20
S+ SP1 / C SP2
2 4 2
Circular connector M12 x 1, 5-pin
Assignment
U+ U-
1 3
WIKA operating instructions temperature switch, model TSD-30
S+ SP1 / C SP2
5 4 2