ELECTRICAL SYSTEM MLC650 SERVICE/MAINTENANCE MANUAL
3-24
Published 09-09-16, Control # 229-09
Table 3-7. SCMD01 (WBT1, Boom Top) Test Voltages
Pin I/O Network Function Voltages
PD-1 +UB Control Module Battery Power
24 V
DC
PD-2 ODH1A7 Power to Main Right Strut Collapse Solenoid
24 V
DC
PD-3 ODH1A6
Power Bus:
• Jib Butt Angle Sensor
• Luffing Jib Maximum Angle Limit Switch
• Luffing Jib Minimum Angle Limit Switch
• Jib Stop Left Cylinder Position Limit Switch
• Jib Stop Right Cylinder Position Limit Switch
24 V
DC
PD-4 ODH1A5
Power Bus:
• Boom-Top Angle Sensor
• Wind Speed Sensor
24 V
DC
PD-5 ODH1A4
Power Bus:
• Drum 1 Proximity Sensor A
• Drum 1 Proximity Sensor B
• Drum 2 Proximity Sensor A
• Drum 2 Proximity Sensor B
24 V
DC
PD-6 ODH1A3
Power Bus:
• Lower Boom Point Block-Up Limit Switch
• Lower Boom Point Block-Up Slow Down Switch
24 V
DC
PD-7 ODH1A2 Power to Main Left Strut Collapse Solenoid
24 V
DC
PD-8 ODH1A1
Power Bus:
• Left Strap Load Link
• Right Strap Load Link
24 V
DC
PD-9 IDF1 Drum 2 Proximity Sensor A
0V
DC
Open, 22 V
DC
Closed
PD-10 IDF2 Drum 2 Proximity Sensor B
0V
DC
Open, 22 V
DC
Closed
PD-11 IDF3 Drum 1 Proximity Sensor A
0V
DC
Open, 22 V
DC
Closed
PD-12 IDF4 Drum 1 Proximity Sensor B
0V
DC
Open, 22 V
DC
Closed
PD-13 ID5 Lower and Upper Boom Point Block-Up Limit Switches
0V
DC
Open, 22 V
DC
Closed
PD-14
+U
E
Battery Power for Control Module Outputs
24 V
DC
PD-15 ODH2A8
Power Bus:
• Jib Stop Left Cylinder Collapse Solenoid
• Jib Stop Right Cylinder Collapse Solenoid
24 V
DC
PD-16 No Connection
PD-17 No Connection
PD-18 No Connection
PD-19 No Connection
PD-20 No Connection