Endress+Hauser Proline Cubemass C 100 HART, Руководство по эксплуатации

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Electrical connection Proline Cubemass C 100 HART
26 Hauser
7 Electrical connection
NOTICE
The measuring device does not have an internal circuit breaker.
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For this reason, assign the measuring device a switch or power-circuit breaker so that
the power supply line can be easily disconnected from the mains.
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Although the measuring device is equipped with a fuse, additional overcurrent
protection (maximum 16 A) should be integrated into the system installation.
7.1 Electrical safety
In accordance with applicable federal/national regulations.
7.2 Connection conditions
7.2.1 Required tools
• For cable entries: Use corresponding tools
• For securing clamp (on aluminum housing): Allen screw3 mm
• For securing screw (for stainless steel housing): open-ended wrench 8 mm
• Wire stripper
• When using stranded cables: crimper for wire end ferrule
7.2.2 Requirements for connecting cable
The connecting cables provided by the customer must fulfill the following requirements.
Permitted temperature range
• The installation guidelines that apply in the country of installation must be observed.
• The cables must be suitable for the minimum and maximum temperatures to be
expected.
Power supply cable (incl. conductor for the inner ground terminal)
Standard installation cable is sufficient.
Signal cable
Current output 4 to 20 mA HART
A shielded cable is recommended. Observe grounding concept of the plant.
Pulse/frequency/switch output
Standard installation cable is sufficient.
Cable diameter
• Cable glands supplied:
M20 × 1.5 with cable ⌀ 6 to 12 mm (0.24 to 0.47 in)
• Spring terminals:
Wire cross-sections 0.5 to 2.5 mm 2 (20 to 14 AWG)