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FEM630 | ELECTROMAGNETIC FLOWMETER | OI/FEM630-EN REV. A
6 ...Electrical connections
Notes on signal cable installation
(only for remote mount design)
Observe the following points when installing the signal cable:
• The maximum signal cable length is 164 ft (50 m).
• Only used signal cable which is in accordance with the
following cable specifications.
• Avoid the vicinity of electrical equipment or switching
elements that can create stray fields, switching pulses
and induction. If this is not possible, run the signal /
magnet coil cable through a metal pipe and connect this
to the station ground.
• To shield against magnetic interspersion, the cable
contains outer shielding. This should be connected to the
SE clamp.
• Do not damage the sheathing of the cable during
installation.
The signal cable used for the connection of the transmitter
and sensor must fulfill at least the following technical
specifications. For sensors with IP rating IP 68, the maximum flooding height
is 16.4 ft (5 m).
The supplied signal cable fulfills all the submersion
requirements.
The sensor is type-tested in accordance with EN 60529. Test
conditions:
• 14 days at a flooding height of 16.4 ft (5 m).
Recommended cables
It is recommended to use an ABB signal cable with the order
The ABB signal cable fulfills the above-mentioned cable
specification and can be utilized unrestrictedly up to an
For marine applications, an appropriate certified signal cable
G10171
1
Maximum flooding height 164 ft (50 m)
1
Figure 36 Maximum flooding height for IP 68 sensors
Connection with IP rating IP 68
Cable specification
Impedance
Withstand voltage
Outer diameter
Cable design
Two wire pairs as a star-quad cable
Conductor cross-section
Length-dependent
Shield
Temperature range
Depends on application.
Maximum signal cable length
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