KROHNE UFM 3030 Service EN - Manual (Page 13)

UFM 3030 13
•
It is not allowed to use the protective conductor terminal for any other connection
than the protective earth conductor.
•
IP 67 is only warranted when using suitable cabling with the cable glands and
covers mounted as specified.
The power supply terminals
has three connections
:
There is a separate earthing
that must be connected:
Terminal Function Specification
10 Reserved Ground connection Not for protective earthing
L / L1 Live power supply Mains voltage AC supply:
100 V AC < U < 240 V AC: -15%, +10%
SELV AC/DC supply:
DC: 18-32 V dc
AC: 24 V AC: -10% +15%
N / N1
Neutral power supply
PE: Protective ground connection
FE: Functional ground connection Protective conductor clamp terminal.
Conductors up to 4 mm² (11 AWG) need
to be connected to this terminal.
3.4 Connection of sensor cables (UFM 3030 F only)
For the UFM 3030 F the sensors must be connected using the factory supplied MR06 cable
between the flow sensor terminal box and the converter housing terminal box. For the UFM
3030C this is connected at the factory.
Both the flow sensor terminals and the converter sensor terminals should be connected using the
appropriate numbers indicated on the sensor cable.)
Cable diameter: 11 mm (0,433 inch), minimum bending radius: 8 x cable diameter.