User Manual Bearing System RT-300
Issue: 2017/06/27 [Rev 1.04.c] Page 68 of 79 12-9-1-0013-9-2-0001-3-1-60
With a flat screwdriver screw the fixing M4 fastening bolts in the screw jacks of the DCU.
Do not tighten the bolts to hard. If, at the attachment site, noticeable vibrations occur (e.g.
diesel generator), secure the bolts with LOCTITE-Threadlocker.
Plug in the connectors for power supply, bearing antenna and other additional devices.
Place the DCU into the installing cut-out and fix it using the delivered M4 allen screws.
7.1.2 Connecting Power Supply
The „Power Connector“ (see Fig. 2 ) is connecting the DCU and
power supply.
Wiring pattern:
PIN 5: GND (ground respectively negative pole).
PIN 9: Voltage supply (+12 ... 28V)
The content of delivery contains a prepared power supply cable. The red cable with integrated
fuse holder is to be connected to the positive pole of the voltage supply (+12V ... 28V). The
black cable is to be connected to the negative pole of the voltage supply.
7.1.3 Connecting the DCU to Ground
The ground connector (Fig. 2 ) of the bearing system has to be connected to the ground of the
vehicle. For stationary installations the ground connector has to be connected to earth potential.
Use cables of sufficient cross-sectional area.
312 45
67 89
Fig. 99
ATTENTION
We strongly point out, that reversing polarity of the poles will damage the system!
Never connect the black cable (PIN 5) to positive voltage. PIN 5 is connected to the
ground of the housing and causes a short circuit, which damages the system!
ATTENTION
- The power supply has to be equipped with a fuse of 1A, inert.
- If the bearing system is to be operated floating, a DC/DC converter has to be
adapted between Battery and DCU. The GND-connection is connected
alvanicall
to the housin
!
ATTENTION
In case of strong UV radiation, the front foil of the DCU can age and break. This
could allow water to enter into the device. As a result, the function of the
electronics is not guaranteed.
Recommendation:
The front cover of the DCU must be checked for damage regularly.
The front foil, which is under constant influence of UV, has to be exchanged
every 5 years; otherwise damage of the equipment is possible.
GND
+12 .. 28V
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