Ensuring Potential Equalization; Ensuring The Degree Of Protection; Post-Connection Check - Endress+Hauser Dosimass Modbus RS485 Operating Instructions Manual

Electrical connection
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7.4

Ensuring potential equalization

No special measures for potential equalization are required.
7.5

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:
‣
Tighten all device plugs.
7.6

Post-connection check

Is the measuring instrument undamaged (visual inspection)?
Does the supply voltage in the system match the data on the nameplate of the measuring
instrument →  12?
Do the cables used meet the necessary specifications →  26?
Are the mounted cables relieved of tension?
Is the terminal assignment correct →  27?
Is the protective earthing established correctly →  29?
Are the maximum values for voltage and current observed at the Modbus interface, switch
outputs, status output and status input →  58?
Dosimass Modbus RS485
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Endress+Hauser