Wiring Levelflex M FMP40 and FMP45
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4.3 Recommended connection
4.3.1 Equipotential bonding
Connect the Equipotential bonding to the external ground terminal (1) of the transmitter.
L00-FMP41Cxx-17-00-00-en-003
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
• housing: IP 68, NEMA 6P (open housing: IP20, NEMA 1)
• probe: IP 68 (NEMA 6P)
4.5 Post-connection check
After wiring the measuring instrument, perform the following checks:
• Is the terminal allocation correct (see Page 23 ff. and Page 24)?
• 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?
1
1
F12/F23 housing T12 housing
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