ELECTRICAL SYSTEM MLC165-1 SERVICE/MAINTENANCE MANUAL
3-20
Published 05-26-17, Control # 238-02
Node 2 — Alarms, Switches, and Gauge Panel
See Electrical Schematic 81019880, Sheets 7 through 9 and 19 (at end of this section).
Connector
Number
Function
Type
Description Test Voltages
CAN Packet
Number
J1 Receptacle – Controls (Not Used Terminal are Omitted)
P51-11 CAN-H
CAN High Data Line N/A
P51-12 CAN-L
CAN Low Data Line N/A
P51-3 AI-2
Handle 4y Swing Holding Brake Switch 0 Volts Off; 24 Volts On CAN0-2-32
P51-6 AI-14
Hand Throttle Input Signal
Low Idle 0.5 Volts;
High Idle 4.5 Volts
CAN3-4
1
P51-9 DI-2
Self Assembly Cylinder Retract 0 Volts Off; 24 Volts On CAN36-1-2
P51-10 DI-3
Self Assembly Cylinder Extend 0 Volts Off; 24 Volts On CAN36-1-4
P51-11 CAN-H
CAN High Data Line to Node 1 N/A
P51-12 CAN-L
CAN Low Data Line to Node 1 N/A
P51-13 AI-4
Switch - Boom Hinge Pins Engage 0 Volts Off; 24 Volts On CAN0-2-128
P51-14 AI-6
Switch - Boom Hinge Pins Disengage 0 Volts Off; 24 Volts On CAN1-2-32
P51-19 DI-1
Free Fall Safety Switch Left Pedal 0 Volts Off; 24 Volts On CAN36-1-1
P51-20 DI-4
Free Fall Safety Switch Right Pedal 0 Volts Off; 24 Volts On CAN36-1-8
P51-21 Ground
Foot Throttle Ground
P51-22 Ground
Hand Throttle Ground
P51-23 AI-1
Foot Throttle Input Signal
Low Idle 2.9 – 3.0 Volts;
High Idle 0.9 – 1.0 Volts
CAN0-2
1
P51-29 DI-15
Travel Speed 0 Volts Off; 24 Volts On CAN36-2-64
P51-30 DI-14
Drum Speed 0 Volts Off; 24 Volts On CAN36-2-32
P51-31 5 Volts DC
Hand Throttle 5 Volts
P51-32 NS1
Node Select 1 Jumper to Ground 0 Volts (With Jumper)
P51-37 DI-8
Seat Safety Switch 0 Volts Off; 24 Volts On CAN36-1-128
P51-38 DI-6
Cab Tilt - Down Switch 0 Volts Off; 24 Volts On CAN36-1-32
P51-39 DI-13
Cab Tilt - Up Switch 0 Volts Off; 24 Volts On CAN36-2-16
P51-40 DI-5
Air Conditioning - On 0 Volts Off; 24 Volts On CAN36-1-16
J2 Receptacle – Controls (Not Used Terminal are Omitted)
P52-1 DO-7
Drum 1 Handle (H1) Rotation Indicator 24 Volts Nominal CAN20-1-64
P52-2 DO-3
Drum 2 Handle (H2) Rotation Indicator 24 Volts Nominal CAN20-1-4
P52-3 DO-6
Drum 3 Handle (H3) Rotation Indicator 24 Volts Nominal CAN20-1-32
P52-4 DO-2
Drum 4 Handle (H4) Rotation Indicator 24 Volts Nominal CAN20-1-2
P52-5 DO-5
RCI Beacon – Light Red 0 Volts Off, 24 Volts On CAN20-1-16
P52-6 DO-13
Engine Coolant Temperature 24 Volts Nominal CAN20-2-16
P52-7 DO-16
Engine Oil Pressure 24 Volts Nominal CAN20-2-128
P52-8 DO-9
Cab Tilt, Drum Speed, Travel Speed Switches 24 Volts Nominal CAN20-2-1
P52-9 DO-19
Handle 4y Swing Holding Brake Switch 24 Volts Nominal CAN20-3-4
P52-10 DO-12
Self Assembly Cylinder 24 Volts Nominal CAN20-2-8
P52-11 DO-4
RCI Beacon Light Amber 0 Volts Off, 24 Volts On CAN20-1-8
P52-12 DO-8
Free Fall Safety Switch Right Pedal 24 Volts Nominal CAN20-1-128
P52-13 DO-8
Free Fall Safety Switch Left Pedal 24 Volts Nominal CAN20-1-128
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