ELECTRICAL SYSTEM MLC650 SERVICE/MAINTENANCE MANUAL
3-28
Published 09-09-16, Control # 229-09
Table 3-9. SCMD02 (WJT1, Jib CSM) Test Voltages
Pin I/O Network Function Voltages
PD-1 +UB Battery Power for Control Module Outputs
24 V
DC
PD-2 No Connection
PD-3 ODH1A6 Power to Upper Boom Point Load Pin
24 V
DC
PD-4 ODH1A5
Power Bus:
• Drum 2 Proximity Sensor A
• Drum 2 Proximity Sensor B
24 V
DC
PD-5 ODH1A4
Power Bus:
• Drum 1 Proximity Sensor A
• Drum 1 Proximity Sensor B
24 V
DC
PD-6 ODH1A3
Power to Upper and Lower Boom Point Block-Up Slow
Down Limit Switches
24 V
DC
PD-7 ODH1A2 Lower Boom Point Block-Up Limit Switch
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 Upper and Lower Boom Point Block-Up Limit Switches
0V
DC
Open, 22 V
DC
Closed
PD-14
+U
E
Control Module Battery Power
24 V
DC
PD-15 ODH2A8
Power Bus:
• Wind Speed Sensor
• Boom-Top Angle Sensor
24 V
DC
PD-16 No Connection
PD-17 No Connection
PD-18 No Connection
PD-19 No Connection
PD-20 IMID1 Module Identifier Input (ground from load center)
0V
DC
PD-21 ID6
Upper and Lower Boom Point Block-Up Slow Down Limit
Switches
0V
DC
Open, 22 V
DC
Closed
PD-22 IACV11 Right Strap Load Link
2 mA @ No Load
20 mA @ 238,140 kg (525,009 lb)
PD-23 IACV12 Left Strap Load Link
2 mA @ No Load
20 mA @ 238,140 kg (525,009 lb)
PD-24 IACV13 Boom-Top Angle Sensor 2 to 20 mA (90 µA/°)
PD-25 No Connection