17
WIKA operating instructions process transmitter, model UPT-2x
14111166.02 04/2015 EN/DE
EN
5. Commissioning, operation
5.2 Electrical installation
DANGER!
Danger to life from explosion
Incorrect mounting and non-compliance with the contents of this chapter
can lead to a risk of explosion.
▶
Carefully read and comply with the following sub-chapters.
Observe the information given in the type examination certificate and the country-specific
regulations for installation and use in hazardous areas (e.g. IEC 60079-14, NEC, CEC). If
this is not observed, serious injuries and damage could occur.
→ Type examination certificate is available for download at www.wika.com.
5.2.1 Safety instructions
■
Only connect with the voltage disconnected.
■
If any overvoltage is expected, install surge protection devices.
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Exposed cables must not run close to bare metal components. Maintain a minimum
clearance of 5 mm.
■
Ensure that the cables are properly installed and the cable gland or plug connections
are securely closed and sealed.
5.2.2 Requirements for connection cable
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Use and assemble connection cable that is suitable for the application. For cables
with flexible wires, always use ferrules appropriate for the wire cross-section.
■
Where there is electromagnetic radiation above the test values per EN 61326, a
shielded connection cable must be used.
■
When using an M12 x 1 (4-pin) circular connector, the mating connector is supplied
by the customer. Ensure the matching design from the connector manufacturer.
Electrical connections
Cable gland M20 x 1.5 and spring-loaded
terminals
Ingress protection: IP 66/67
Cable diameter: 7 ... 12 mm
Wire cross-section max. 2.5 mm
2
(AWG 14)
Single cable: 0.13 ... 2.5 mm²
End splices: 0.13 ... 1.5 mm²
For cable diameters outside of 7 ... 12 mm,
change the seal and cable gland
Angular connector DIN 175301-803A with
mating connector
Ingress protection: IP 65
Cable diameter: 6 ... 8 mm
Wire cross-section: max. 1.5 mm²
Circular connector M12 x 1 (4-pin) without
mating connector
Ingress protection: IP 65
Observe manufacturer's specifications
Ground screw, inside
0.13 ... 2.5 mm²
Ground screw, outside
0.13 ... 4 mm²