For Internal Office Use Only
9.3 A4:X51 PLUG ASSIGNMENT
PIN
Plug assignment (measured to battery minus) (X51)
1
not connected
2
Drive control unit release;
U
= 24V or battery voltage if key switch has
closed
3
Drive rheostat;
U
= 0V
4
Forward drive direction;
U
= 0V after forward mode has been selected
and ‘S8’ drive rheostat switch and contact on control unit A1 have closed.
5
Reverse drive direction;
U
= 0V after reverse mode has been selected
and ‘S8’ drive rheostat switch and contact on control unit A1 have closed.
6
not connected