HAKO Scrubmaster B175 R, Manual

Page: 85 / 124

9. Drive
9.1.1 Connection description
– drive control unit Front
Sheet 85
A1
– forwards (active when B- is connected) from A02:X109.3
A2
– reverse (active when B- is connected) from A02:X109.4
A3
– release for driving from speed control potentiometer switch B03 (active when B- is connected)
A4
– release from machine control unit (seat contact) (active when B- is present) from A01/X13.11
A5
– not used
A6
– with single wheel drive at battery minus via bridge on X11/ not used for 4-wheel drive
A7
– foot brake input from switch S10; if B- is connected, the machine is slowed down until standstill
A8
– supply speed control B03 (negative)
A9
– setpoint from speed control B03
A10
– control voltage from key switch (36V)
A11
– control power supply for small consumers (max. 3A) (e.g. K02 and brake)
A12
– main relay release (B-) –K02 – power supply for drive control unit
A13
– brake release (B-)
A14
– not used for single wheel drive / safety control from A05:C3 with 4-wheel drive
A15
– 12 V supply for encoder
A16
– 5 V supply for speed control B03