ELECTRICAL SYSTEM MLC80A-1/MLC90A-1/MLC100A-1/MLC100-1 SERVICE/MAINTENANCE MANUAL
3-24
Published 10-09-2020, Control # 259-06
Table 3-11. IOSA22 Test Voltages
Pin Net Function Voltages
P1-1 GND Ground (from cab ground bus-bar)
0 V
DC
P1-2 KL15 Control Module Ignition Power (from engine RUN switch)
24 V
DC
P1-3 ID01 DPF Regen Initiate
0 V
DC
Open, 24 V
DC
Closed
P1-4 ID02 DPF Regen Disable
0 V
DC
Open, 24 V
DC
Closed
P1-5 OPH6A01
24 V
DC
Power Bus:
• Free Fall Enable
• Crawler Extend Cylinder
• Gantry Raise and Lower Cylinder
• Drum High Speed
24 V
DC
P1-6 OPH6A02 Heater Valve Motor Power
0 V
DC
Open, 24 V
DC
Closed
P1-9 IMID1 Module Identifier Input (from cab ground bus-bar)
0 V
DC
P1-10 CAN_A—H CAN Bus A—High N/A
P1-11 8C45 (+UB) Battery Power for Control Module Outputs (from CB32)
24 V
DC
P1-12 6C8A (+UE) Control Module Battery Power (from K5)
24 V
DC
P1-13 ID03 Limit Bypass
0 V
DC
Open, 24 V
DC
Closed
P1-14 ID04 Crawler Extend
0 V
DC
Open, 24 V
DC
Closed
P1-15 ID05 Crawler Retract
0 V
DC
Open, 24 V
DC
Closed
P1-16 ID06 Raise Gantry
0 V
DC
Open, 24 V
DC
Closed
P1-17 IDF12 Not Used
0 V
DC
P1-19 CAN_A—L CAN Bus A—Low N/A
P1-20 8C45 (+UB) Battery Power for Control Module Outputs (from CB32)
24 V
DC
P1-21 IDO7 Lower Gantry
0 V
DC
Open, 24 V
DC
Closed
P1-22 ID08 Drum High Speed
0 V
DC
Open, 24 V
DC
Closed
P1-23 ID09 Drum High Speed
0 V
DC
Open, 24 V
DC
Closed
P1-24 ID10 Drum 1 Free Fall Enabled
0 V
DC
Open, 24 V
DC
Closed
P1-25 ID11 Drum 2 Free Fall Enabled
0 V
DC
Open, 24 V
DC
Closed
P1-26 IDF13 Not Used
0 V
DC
P1-27 ID11 Drum 2 Free Fall Control
0 V
DC
Open, 24 V
DC
Closed
P1-28 ID11 Drum 2 Free Fall Control
0 V
DC
Open, 24 V
DC
Closed
P1-29 IMID3 Module Identifier Input (from cab ground bus bar)
0 V
DC
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