User Manual

Electric System LEXION 500 TIC
28a-2 Lex-e-28a 03/05
28a AUTOPILOT – Laser system
Key to diagram:
Coordinates
A9 AUTOPILOT module ........................................................... 2-i-20
B5 Working hydraulics / Autopilot oil pressure sensor ............ 4-n-19
(for pressure-controlled equipment)
B6 AUTOPILOT wheel angle sensor........................................6-r-18
B50 R AUTOPILOT laser sensor, left............................................ 6-e-10
B50 L AUTOPILOT laser sensor, right ......................................... 6-e-26
B83 AUTOPILOT OFF sensor (overrider switch) ...................... 5-g-18
DO Master valve diode PCB...................................................... 4-i-20
DS Diagnosis plug (63-pin) VIA................................................. 3-i-20
H2 AUTOPILOT signal light ..................................................... 4-g-18
K14 Threshing mechanism relay ................................................ 4-i-20
K52 Power supply relay .............................................................. 4-i-20
R3 AUTOPILOT centralizing switch (set value)....................... 3-h-17
S9 AUTOPILOT ON switch...................................................... 4-g-17
S10 AUTOPILOT main switch ................................................... 3-h-17
S96 AUTOPILOT laser right/left switch ..................................... 3-h-17
X4 Steering column indicator lights connector ........................ 4-g-18
XB Multifunction coupling B connector ..................................... 8-f-20
XC Multifunction coupling C connector ..................................... 8-f-20
XV3 AUTOPILOT variant plug connector ................................... 8-f-20
Y9 AUTOPILOT left solenoid coil ............................................ 4-n-19
Y10 AUTOPILOT right solenoid coil .......................................... 4-n-19
Z5 Seat contact actual value switch ........................................ 4-h-18
a- provided depending on equipment fitted
Measured value table:
Item Component Measured value Remark
B5 Working hydraulics /
Autopilot oil pressure
12 V
0.25 V - 4.75 V
0.25 V = 0 bar
4.75 V = 250 bar
Power supply
Signal / linear,
Master valve (Y77)
circuit via module
(A9)
- On at 135 bar
- Off at 165 bar
B6 AUTOPILOT wheel
angle
12 V
0.25 V – 4.75 V
Power supply
Signal
B50 AUTOPILOT laser 6° - 0° - 6°
1.0 V - 2.5 V - 4.0 V
See Description of
function
R3 Potentiometer
4.70 kΩ
1.7 - 6.4 kΩ
(Pin A-E) coil
(Pin S-E) slider
Y 9
Y10
Solenoid coil 3.8 A
3.2 Ω
See inscription,
without diode