Endress+Hauser Proline Promag H 500, Руководство по эксплуатации

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Proline Promag H 500 PROFIBUS DP Electrical connection
Hauser 63
7.7 Ensuring the degree of protection
The measuring device fulfills all the requirements for the IP66/67 degree of protection,
Type 4X enclosure.
To guarantee IP66/67 degree of protection, Type 4X enclosure, carry out the following
steps after the electrical connection:
1. Check that the housing seals are clean and fitted correctly.
2. Dry, clean or replace the seals if necessary.
3. Tighten all housing screws and screw covers.
4. Firmly tighten the cable glands.
5. To ensure that moisture does not enter the cable entry:
Route the cable so that it loops down before the cable entry ("water trap").
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6. Insert dummy plugs into unused cable entries.
7.8 Post-connection check
Are cables or the device undamaged (visual inspection)? 
Do the cables used meet the requirements? 
Do the cables have adequate strain relief? 
Are all the cable glands installed, firmly tightened and leak-tight? Cable run with "water trap"
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Is the potential equalization established correctly ? 