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

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

Recommended connection

4.3.1 Potential equalization
Connect the potential equalization to the external ground terminal (1) of the transmitter.
F12/F23 housing
1
4.3.2 Wiring a shielded cable
Caution!
In Ex applications, the device must only be grounded on the sensor side. Further safety instructions
are given in the separate documentation for applications in hazardous areas (→ ä 80).
4.4

Degree of protection

• With closed housing tested according to:
– Housing F12/T12: IP68, NEMA6P (24 h at 1.83 m under water)
– Housing F23: IP69K in conjunction with the cable entries M20 G ½ and NPT ½
– IP66, NEMA4X
• With open housing: IP20, NEMA1 (also ingress protection of the display)
4.5

Post-connection check

After wiring the measuring device, perform the following checks:
• Is the terminal assignment correct (see → ä 28 and → ä 29)?
• Is the cable gland tight?
• Is the housing cover screwed tight?
• If power is supplied:
Is the device ready for operation and is the liquid crystal display lit?
T12 housing
1
L00-FMP41Cxx-17-00-00-en-003
Wiring
33