Recommended Connection; Degree Of Protection; Post-Connection Check - Endress+Hauser Levelflex M FMP40 Operating Instructions Manual

Run time measurement
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Levelflex M FMP40 with HART/4...20 mA
"
Endress + Hauser
4.3

Recommended connection

4.3.1
Equipotential bonding
Connect the Equipotential bonding to the external ground terminal (1) of the transmitter.
F12/F23 housing
1
4.3.2
Wiring screened cable
Caution!
In Ex applications, the instrument must only be grounded on the sensor side. Further safety
instructions are given in the separate documentation for applications in explosion hazardous areas.
4.4

Degree of protection

• with closed housing tested according to
– IP68, NEMA6P (24 h at 1.83 m under water surface)
– IP66, NEMA4X
• with open housing: IP20, NEMA1 (also ingress protection of the display)
4.5

Post-connection check

After wiring the measuring instrument, perform the following checks:
• Is the terminal allocation correct (see → ä 36 and → ä 37)?
• Is the cable gland tight?
• Is the housing cover screwed tight?
• If auxiliary power is available:
Is the instrument ready for operation and is the liquid crystal display visible?
T12 housing
1
L00-FMP4xxxx-17-00-00-en-032
Wiring
41

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