Manitowoc Published 09-09-16, Control # 229-09 3-35
MLC650 SERVICE/MAINTENANCE MANUAL ELECTRICAL SYSTEM
Table 3-12. CCMB11 Test Voltages
PC2-12 OPH3A24 Drum 1 Right Motor Control
0V
DC
Open, 24 V
DC
Closed
PC2-13 ODH3A01
Power Bus:
• Drums 1 and 2 Minimum Bail Normally Closed Limit
Switches
• Boom Angle Sensor
24 V
DC
PC2-14 ODH3A07 Drum 6 Pawls In Solenoid
0V
DC
Off, 24 V
DC
On
PC2-15 ODH3A06 Drum 2 Left Brake Release Solenoid
0V
DC
Off, 24 V
DC
On
PC2-16 ODH3A14 Drum 5 Right Brake Release Solenoid
0V
DC
Off, 24 V
DC
On
PC2-17 No Connection
PC2-18
+U
B
SW2
Battery Power for Control Module Outputs
24 V
DC
PC2-19 No Connection
PC2-20
+U
B
SW1
Battery Power for Control Module Outputs
24 V
DC
PC2-21 ODH3A02 Drum 1 Left Brake Release Solenoid
0V
DC
Off, 24 V
DC
On
PC2-22 ODH3A04 Not Used—For Possible Future Expansion
0V
DC
PC2-23 ODH3A10
Power Bus:
• Drum 5 Minimum Bail Normally Closed Limit Switch
• Mast Position Limit Switch
• Fixed Mast Cylinder System Pressure Transducer
• Drum 5 Pawl Normally Open Limit Switch
24 V
DC
PC2-24 ODH3A11 Diesel Heater
0V
DC
Off, 24 V
DC
On
PC2-25 ODH3A12 Drum 5 Pawls In Solenoid
0V
DC
Off, 24 V
DC
On
PC2-26 ODH3A16
Power Bus:
• Rotating Bed Level Sensor
• Drum 3 Minimum Bail Normally Closed Limit Switch
24 V
DC
PC2-27 No Connection
PC2-28 No Connection
PC2-29
+U
B
SW2
Battery Power for Control Module Outputs
24 V
DC
Pin I/O Network Function Voltages
Pin I/O Network Function Voltages
PB1-1 OPH3A23 Left Front Carbody Jack Raise Solenoid
0V
DC
Off, 24 V
DC
On
PB1-2 OPH3A28 Left Rear Carbody Jack Lower Solenoid
0V
DC
Off, 24 V
DC
On
PB1-3 ID21 Left Crawler Grease Pressure Switch
0V
DC
Open, 24 V
DC
Closed
PB1-4 IDF09 Not Used—For Possible Future Expansion
0V
DC
PB1-5 IDF10 Not Used—For Possible Future Expansion
0V
DC
PB1-6 ID22 Right Crawler Grease Pressure Switch
0V
DC
Open, 24 V
DC
Closed