47
FEM630 |
ELECTROMAGNETIC FLOWMETER | OI/FEM630-EN REV. A
6 . . .Electrical connections
. . .Pin assignment
Flowmeter sensor
Figure 57 Connection to sensor in remote mount design (example)
Aluminum terminal box
Plastic terminal box
Observe the following points when connecting to an electrical
supply:
• Lead the signal cable into the housing as shown.
• Connect the cables in accordance with the electrical
connection. If present, connect the cable shielding to the
earthing clamp provided.
• Use wire end ferrules when connecting.
• From an ambient temperature of T
amb
. ≥ 140 °F (≥ 60 °C)
additionally insulate the wires with the enclosed silicone
hoses.
• Close unused cable entries using suited plugs.
If the O-ring gasket is seated incorrectly or damaged,
this may have an adverse effect on the housing
protection class .
Follow the instructions in
Opening and closing the
housing
on page 22 to open and close the housing safely.
NOTICE
Terminal
ABB signal cable
3KQZ407123U0100
HELKAMA signal cable
20522
GND
Blue
Blue (4)
U
FE
White
white (3)
A
Yellow
Blue (2)
B
Orange
white (1)
Signal cable from the sensor
Terminal for potential equalization
Terminals for signal cable
Terminals for signal cable shielding
A
1
2
3