Endress+Hauser Prosonic Flow 90, Operating Instructions Manual

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Proline Prosonic Flow 90 4 Wiring
Hauser 41
Flowrate measuring sensors U (clamp-on)
The flowrate measuring sensors U fulfill all the requirements for IP 54 degree of protection.
Compliance with the following points is mandatory following installation in the field or servicing,
in order to ensure that IP 54 protection is maintained:
• Only use cables supplied by Hauser with the corresponding sensor connectors.
• The BNC cable connectors (1) must be clean, dry and undamaged.
• Insert the BNC cable connectors (1), do not cant and then tighten them to the stop.
A0001140
Fig. 40: Installation instructions for IP 54 degree of protection for BNC sensor connectors
4.5 Connection check
Perform the following checks after completing electrical installation of the measuring device:
Device condition and specifications Notes
Are cables or the device damaged (visual inspection)?
−
Electrical connection Notes
Does the supply voltage match the specifications on the nameplate? 85...260 V AC (45...65 Hz)
20...55 V AC (45...65 Hz)
16...62 V DC
Do the cables comply with the specifications? see Page 36, 97
Do the cables have adequate strain relief?
−
Cables correctly segregated by type?
Without loops and crossovers?
−
Are the power supply and sensor cables correctly connected? See the wiring diagram inside
the cover of the terminal com-
partment
Are all screw terminals firmly tightened?
−
Have the measures for grounding/potential equalisation been correctly
implemented? see Page 40 ff.
Are all cable entries installed, firmly tightened and correctly sealed? see Page 40
Are all housing covers installed and firmly tightened?
−
1