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Observe the following items when routing cables:
•
A magnet coil cable (red and brown) is run parallel to the signal lines (violet and blue). As a
result, only one cable is required between the sensor and the transmitter. Do not run the
cable over junction boxes or terminal blocks
•
The signal cable carries a voltage signal of only a few millivolts and therefore must be routed
the shortest distance possible. The max. allowable signal cable length is 50 m (164 ft)
(without pre-amplifier) and 200 m (656 ft) (with pre-amplifier).
•
Avoid routing the cable in 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.
•
All leads must be shielded and connected to earth ground.
•
To shield against magnetic interference, the cable contains outer shielding that is attached to
the SE clamp.
•
The supplied steel wire is also connected to the SE clamp.
•
Do not damage the sheathing of the cable during installation.
•
Make sure during installation that the cable
is provided with a water trap (1). For vertical
installation, align the cable glands pointing
downward.
CI/FEP300/FEH300-EN
ProcessMaster / HygienicMaster
Fig. 25
Installation
EN - 21
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