Control System 28Service Manual – Focus II / Scrubtec R6 Rider Autoscrubber
Controller I/O Table
Designation Pin Type Nominal Ref. Range Comments
Det. Pump (+) J1-1 PWM 24 V B- 20-26V -24V in FWD, +24V in REV
Not Used J1-2
Det. Pump (-) J1-3 PWM -24 V B+ 20-26V -24V in FWD, +24V in REV
Brush Act. (+) J1-4 DC Voltage 24 V B- 20-26V +24V in FWD, -24V in REV
Brush Act. (-) J1-5 DC Voltage -24 V B+ 20-26V -24V in FWD, +24V in REV
Not Used J1-6
Not Used J1-7
Battery - J1-8
Squeegee Act. (-) J1-9 DC Voltage -24 V B+ 20-26V -24V in FWD, +24V in REV
Squeegee Act. (+) J1-10 DC Voltage 24 V B- 20-26V +24V in FWD, -24V in REV
Ground J2-1 DC voltage 24 V B+ 20-26 DC voltage
Ground J2-2 DC voltage 24 V B+ 20-26 DC voltage
Charger Comm J2-3 Digital 0-5 B- 0 - 5 Communication with charger
Spd Pot Output J2-4 Analog 0-5 B- 0 - 5 Analog output
Spd Pot Low J2-5 DC voltage 0 B- 0 Digital input
Spd Pot High J2-6 Ground 5 B- 5 Digital input
Ground J2-7 DC voltage 24 V B+ 20-26 DC voltage
Ground J2-8 DC voltage 24 V B+ 20-26 DC voltage
Vacuum Current J2-9 Voltage Drop 1) 88 mV
2) 176 mV
B- Voltage drop 4.1mV per amp,
Single vac tank full = 74 mV
Dual vac tank full = 148mV
Brush Current J2-10 Voltage Drop 130 mV B- Voltage drop 1.74 mV per amp
Position 2 Switch J2-11 Switch B- Normally Open
Position 1 Switch J2-12 Switch B- Normally Open
Power J3-1 DC voltage 24 V B- 20-26 DC voltage
Ground J3-2 DC voltage 24 V B+ 20-26 DC voltage
Reverse_out J3-3 DC Voltage 24V B- 0-24V Reverse signal to speed controller
Seat Switch J3-4 DC Voltage 24 V B- 20 -26 Digital input
Reverse Signal J3-5 DC Voltage 24 V B- Forward is Low ( 1 to 0V),
Reverse is High (20 to 26 V)
Fwd/Rev Signal J3-6 DC Voltage 24 V B- Neutral is Low ( 1 to 0V),
Moving is High (20 to 26 V)
Drive Status J3-7 DC Voltage 24 V B- Pulsed signal equal to the fault code
Power J3-8 DC voltage 24 V B- 20-26 DC voltage
Horn- J3-9 DC Voltage 15V B- 0-15V
Horn+ J3-10 DC Voltage 15V B- 0-15V
Solution
Solenoid1
J3-11 DC Voltage 24 V B- 20-26V (Solenoid voltage is pulsed between 24V
and 0V at a rate of about 1 Hz)
Vac Contactor J3-12 PWM 24 V B- 18-24V (5KHz, 80% duty cycle )
Brush Contactor J3-13 PWM 24 V B- 18-24V (5KHz, 80% duty cycle )
Key Switch J3-14 DC Voltage 24 V B- 20 -26 Digital input
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