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Control System - Battery Version 28Service Manual – SC450

Connectors on the Function Electronic Board

P200010

J1 - 8 WAY-CONNECTOR

PIN Description Voltage Ref. to B -

1 CS Switch power supply 24V

2 BS Brush switch activation 24V

3 VS Vacuum system switch 24V

4 LR Red LED (<=> EB2 PIN 2) 0V

5 LG Yellow LED (<=> EB2 PIN 3) 0V

6 LV Green LED (<=> EB2 PIN 4) 0V

7 LC Common LED (<=> EB2 PIN 1) 5V

8 KY Brush system switch 24V

J2 - 8 WAY-CONNECTOR

PIN Description Voltage Ref. to B -

1 CT Relay power supply 24V

2 BT Brush relay power supply 0V

3 VT Vacuum system relay power supply 0V

4 S- Brush motor current detection - 0V

5 S+ Brush motor current detection + 0V

6 V- Power supply - 0V

7 V+ Power supply + 24V

8 BL Not used -

J3 - 3 WAY-CONNECTOR

PIN Description Voltage Ref. to B -

1 W+ Solenoid valve + 24V

2 W- Solenoid valve - 0V

F1 - FASTON

PIN Description Voltage Ref. to B -

1 6.3 mm Power supply from battery charger 24V 24V 24V (*)

2 4.8 mm Not used -

Nilfisk-Advance SC450 Service Manual

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