Degree Of Protection; Post-Connection Check - Endress+Hauser RID16 Bedienungsanleitung

Wiring
5.3

Degree of protection

The devices fulfill the requirements for IP 67 degree of protection. Compliance with the follow-
ing points is mandatory to ensure IP 67 protection is guaranteed after installation or after ser-
vice work:
• The housing seal must be clean and undamaged when it is inserted into the groove. The seal
should be cleaned, dried or replaced.
• The connecting cables must be of the specified outer diameter (e.g. M16 x 1.5, cable diameter
5 to 10 mm).
• Replace all unused cable entries with dummy plugs.
• The cable entry seal may not be removed from the cable entry.
• The housing cover and cable entry/entries must be closed securely.
• Install the device in such a way that the cable entries point downwards.
5.4

Post-connection check

After the electrical installation of the device, always run the following final checks:
Device condition and specifications
Are cables or the device damaged (visual inspection)?
Electrical connection
Does the supply voltage match the specifications on the nameplate?
Do the cables used comply with the specifications?
Do the cables have adequate strain relief?
Are the power supply and signal cables correctly connected?
Are all the screw terminals well tightened and have the connections of the spring
Are all the cable entries installed, tightened and sealed?
Are all housing covers installed and firmly tightened?
Electrical connection, fieldbus system
Are all the connection components (T-box, junction boxes, connectors, etc.) cor-
Has each fieldbus segment been terminated by a bus terminator at both ends?
Has the max. length of the fieldbus cable, as defined in the fieldbus specifications,
Has the max. length of the spurs, as defined in the fieldbus specifications, been
Is the fieldbus cable completely shielded (90%) and correctly grounded?
38
Notes
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Notes
9 to 32 V DC
See the notes in the Operating
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 ä 34
Notes
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See the notes in the Operating
Instructions provided
Endress+Hauser
RID16