Wiring Levelflex M FMP40 FOUNDATION Fieldbus
22 Endress+Hauser
3.8 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)
3.9 Post-connection check
After wiring the measuring device, perform the following checks:
• Is the terminal allocation correct (→ ä 20)?
• Is the cable gland tight?
• Is the FOUNDATION Fieldbus connector screwed tight?
• Is the housing cover screwed tight?
• If auxiliary power is available:
Is the device ready for operation and is the liquid crystal display visible?
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