Micropilot S FMR533 4 to 20 mA HART
Wiring
Hauser
27
4.3
Recommended connection
4.3.1
Equipotential bonding
Connect the Equipotential bonding to the external ground terminal of the transmitter.
4.3.2
Wiring screened 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 explosion hazardous areas.
4.4
Degree of protection
• housing: IP68, NEMA 6P (open housing and removed liquid crystal display: IP20, NEMA 1)
• antenna: IP68 (NEMA 6P)
4.5
Post-connection check
After wiring the measuring device, perform the following checks:
• Is the terminal allocation correct (
22)?
• Is the cable gland tight?
• Is the housing cover screwed tight?
• If auxiliary power is available:
Is the device ready for operation and does the liquid crystal display show any value?
• Is grounding (tank potential) correct?