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Attachment and installation
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3 Attachment and installation
3.1 Tractor requirements
Before installing the electronic machine control unit, ensure that your tractor
meets the following requirements:

A minimum voltage of 11V must always be guaranteed, even if multiple loads
are connected simultaneously (e.g. air conditioning system, lights).

The PTO speed can be adjusted to 750 rpm and must be adhered to (basic
requirement for correct working width).

9-pin socket (ISO 11783) located at the rear of the tractor for connecting the
machine control unit with the ISOBUS.

9-pin terminal plug (ISO 11783) for connecting an ISOBUS terminal to the
ISOBUS.
3.2 Connections, sockets
3.2.1 Power supply
The power supply of the electronic machine control unit is implemented via the 9-
pin socket at the rear of the tractor.
NOTICE
On tractors without load-switchable transmission, the forward speed must be se-
lected by using the correct gear ratio in such a way that it corresponds to a PTO
speed of
750 rpm .
NOTICE
If the tractor is not equipped with a 9-pin socket at the rear, a tractor assembly
set including a 9-pin socket for the tractor (ISO 11783) and a forward speed sen-
sor may be purchased additionally as special equipment.
NOTICE
If the terminal is to be connected to already existing ISOBUS basic equipment,
its compatibility with
the international standard ISO 11783 “Tractors and ma-
chinery for agriculture and forestry - Serial control and communications data net-
work” is to be checked in advance.
NOTICE
For details on the connection of the terminal, please refer to the operating man-
ual of the terminal manufacturer.