Wiring RIA16
12 Endress+Hauser
5.3 Degree of protection
The devices fulfill all the requirements for IP 67 degree of protection. Compliance with the
following points is mandatory following installation or servicing in order to ensure that IP 67
protection is maintained:
• The housing seal must be clean and undamaged when inserted into the seal groove. The seal may
have to be cleaned, dried or replaced.
• The cables used for connection must be of the correct specified outside diameter (e.g. M16 x 1.5,
cable diameter from 5 to 10 mm).
• Replace any unused cable entries with dummy plugs.
• The grommet used should not be removed from the cable entry.
• The housing cover and the cable entry must be well tightened.
• Install the device upright in such a way that the cable entries point downwards.
5.4 Post-connection check
Perform the following checks after completing electrical installation of the device:
Device condition and specification Note
Are the device or the cables damaged? Visual inspection
Electrical connection Note
Is the cable type route completely isolated - without loops
and cross-overs?
-
Are the cables strain relieved? -
Is the terminal assignment correct? Compare with the
connection diagram of the terminal block
→ Chap. 5.1
Are all terminal screws tightened? Visual inspection
Is the cable gland sealed? Visual inspection
Is the housing cover tightened? Visual inspection
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