48 FEP630, FEH630 ELECTROMAGNETIC FLOWMETER | OI/FEP630/FEH630-EN REV. D
… 6 Electrical connections
… Pin assignment
Flowmeter sensor
Aluminum terminal box Plastic terminal box
A Signal cable from the sensor
1 Terminal for potential equalization
2 Terminals for signal cable
3 Terminals for signal cable shielding
Figure 64: Connection to sensor in remote mount design (example)
Change from one to tw o columns
NOTICE
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 23 to open and close the housing safely.
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)
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.
≥ 60 °C (≥ 140 °F)
additionally insulate the wires with the enclosed silicone
hoses.
• Close unused cable entries using suited plugs.
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