Part No: 4417341 Revision 10 Installation Manual 27
954 SmartServo FlexLine
Electrical Connections
CAUTION!
Cables must always comply with the defined cable specifications.
5.6.1. Grounding
The 954 SmartServo FlexLine housing must be properly grounded to the ground reference
(generally the tank), according to local regulations. This is a safety grounding requirement.
WARNING!
When measuring the ground resistance, use a suitable instrument that is approved for
use in hazardous areas.
WARNING!
Safety depends on proper grounding. Check the resistance of the ground connection
directly after installation. The measured ground resistance must be below the maximum
prescribed by local and/or national grounding requirements.
5.6.2. Connections
WARNING!
The intrinsically safe options have been certified for use in hazardous areas. Make sure
that the certificate of approval is available on site and act in accordance with the
instructions as given in the certificate.
WARNING!
Intrinsically safe wiring must be separated from all other wiring. The cable lay-out must
be in accordance with local and/or national regulations.
NOTE:
Connect the armoring of the cable externally in the cable gland at both ends of the cable
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