Cable Specifications; Potential Equalization; Ensuring The Degree Of Protection; Post-Connection Check - Endress+Hauser Dosimag Operating Instructions Manual

Dosimag
Endress+Hauser
 9 Ground connection
6.2.3

Cable specifications

Use connecting cables with a cross-section of at least 0.25 mm
AWG23). The temperature specification of the cable must be at least 20 °C (68 °F) higher
than the maximum ambient temperature in the application.
6.2.4

Potential equalization

No special measures for potential equalization are required.
6.3

Ensuring the degree of protection

The measuring device fulfills all the requirements for IP67 degree of protection, Type 4X
enclosure.
To guarantee IP67 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. Dry, clean or replace the
seals if necessary.
2. Tighten all housing screws and screw covers.
3. Firmly tighten the cable glands.
6.4

Post-connection check

Is the device undamaged (visual inspection)?
Does the supply voltage in the system match the data on the nameplate of the device?
(→  1,  11)
Do the cables used meet the necessary specifications?
Are the maximum values for voltage and current observed at the pulse and status output?
(→  51)
Do the cables have adequate strain relief?
Is the cable type route completely isolated?
Without loops and cross-overs?
Are the power supply and signal cables correctly connected?
Electrical connection
A0003838
2 (0.0004 in 2 ) (e.g.
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