chapter 5000
page 26
1,2 - 2,0 t A.C.
SERVICE MANUAL
Electric
036-0410-07
The arm card, located inside the seat arm is present in fingertips /
joysticks truck version. It is supplied by the dc / dc converter with
24 V.
The fingertips /joysticks version requires also the use of an
additional logic unit (Mhyrio)
FUNCTIONS
It controls and converts from analogic to digital the fingertips /
joysticks potentiometers signals in order to drive, via Mhyrio, the
electric distibutor, equipped with solenoid valves.
It also controls the push buttons signals of the forward / backward
directions and of the horn.
CONNECTIONS
The card is connected by the cab-bus wiring to the light card
SETTINGS
In order to inform the card about the potentiometers type used, the
following setting is required:
JOYSTICKS all the dip switches (layout, pos. 9) are
setted on OFF position.
FINGERTIPS the dip switch n° 2 (layout, pos. 9) is setted
on ON position
(In case this is not enabled the logic unit
shows the alarm INCORRECT START)
The potentiometres replacement does not require any calibration
by the console
ARM CARD
LAY-OUT
1. Connector for the lifting potentiometer (finger/joystick)
2. Connector for the tilt potentiometer (finger/joystick)
3. Connector for the sideshift potentiometer (finger/joystick)
4. Connector for the 4th way potentiometer (finger/joystick)
5. Connector for the 5th way potentiometer (finger/joystick)
6. Connector for the auxiliary funtions: push buttons for the
horn and for the directions.
7. Connector for the CAN-BUS
8. Connector for the programming of the microchip.
9. Dip switches
see wiring diagram
1
2 543 6
7
8
9
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