3
ELECTRICAL CONNECTIONS
8
MFC 400
www.krohne.com
12/2017 - 4006097501 - AD MFC 400 Profinet R01 en
3.1 Safety instructions
3.2 Shielding and grounding
•
Only shielded cables with at least Category 5 must be used for PROFINET IO communication
(for details refer to
PROFINET IO cable types
on page 9), otherwise EMI protection of the
signal converter cannot be assured
•
The cable shield must be grounded at least at one end
•
If the cable shield is grounded at both ends, it shall have a connection to a common ground
DANGER!
Cables may only be connected when the power is switched off.
WARNING!
•
The device must be grounded in accordance with regulations in order to protect personnel
against electric shocks.
•
Follow the local health and safety regulations. Any work done on the electrical components of
the measuring device may only be carried out by properly trained specialists.
INFORMATION!
•
Special grounding instructions for the various flow sensors are contained in the handbook for
the signal converter.
