Manitowoc 777 Service And Maintenance Manual

Reference Only
ELECTRIC SYSTEM 777 SERVICE MANUAL
3-26 Published 10-01-2012, Control # 045-08
Table 3-6 D1 (Digital Outputs)
*Binary
**These digital ports are pulsed for auxiliary pump control. For both
ports a digital ON is displayed when pulsing, to prevent a flickering
number for the corresponding bank.
Table 3-7 D2 (Digital Inputs)
Identifier* Component
Bank 1
1 Front Drum Band Brake
2 Rear Drum Band Brake
4 Boom Up Enable
8 Travel Park Brake
16 Boom Down Enable
32 Right Front Drum Clutch Free Fall
64 Right Rear Drum Clutch Free Fall
128 Front Drum Disc Brake
Bank 2
1 Rear Drum Disc Brake
2Spare
Bank 3
1 Auxiliary Drum Disc Brake
2Spare
4 Swing & Travel Alarm
8 Operating Limit Alarm
16 System Fault Alarm
32 Boom Pump Enable Valve
64 Left Front Drum Clutch Free Fall
128 Left Rear Drum Clutch Free Fall
Bank 4
1 Front Drum Free Fall Light
2 Rear Drum Free Fall Light
Bank 5
1Spare
2 Front Drum Rotation Indicator
4 Rear Drum Rotation Indicator
8 Boom Cylinder Up/Down Indicator
16 Auxiliary Drum Rotation Indicator
32 2-Speed Travel Valve
64 Spare Digital Output-27
128 Spare Digital Output-28
Bank 6
1 Spare Digital Output-29
2 Spare Digital Output-30
Bank 7
1 Spare Digital Output-31
2 Spare Digital Output-32
4 Spare Digital Output-33
8 Spare Digital Output-34
16 Spare Digital Output-35
32 Auxiliary Drum Pump Control – Up
64 Auxiliary Drum Pump Control – Down
Identifier* Component
Bank 1
1 Travel Detent Set/Cancel
2 Maximum Bail Limit – Front Drum
4 Minimum Bail Limit – Front Drum
8 Left Side Counterweight Limit Switch
16 Right Side Counterweight Limit Switch
32 Boom Point Block-Up Limit
64 Maximum Bail Limit – Rear Drum
128 Minimum Bail Limit – Rear Drum
Bank 2
1 Select Mode
2 Confirm Mode
4 Max Boom/Luffing Angle Limit Bypass
8 Boom Maximum Up Limit
16 Boom Maximum Down Limit
32 Luffing Jib Maximum Up Limit
Bank 3
1 Luffing Jib Maximum Down Limit
2 Minimum Hydraulic Fluid Level
4 Maximum Hydraulic Fluid Temperature
8 Engine Oil Pressure
16 Engine Coolant Temperature
32 Left Front Drum Clutch Switch
64 Rear Drum Free Fall Safety Switch
128 Right Front Drum Clutch Switch
Bank 4
1 Front Drum Free Fall Safety Switch
2 Rated Capacity Indicator/Limiter
4Limit Bypass
8 Display Scroll Up
16 Setup Remote – Boom Up
32 Setup Remote – Boom Down
Bank 5
1 Front Drum Pawl In
2 Rear Drum Pawl In
4 Left Rear Drum Clutch Switch
8 Auxiliary Drum Pawl In
16 Display Scroll Down
32 Seat Switch
64 High-Speed Travel
128 Right Rear Drum Clutch Switch
Bank 6
1 Front Drum Disc Brake
2 Rear Drum Disc Brake
4 Boom Cylinder Enable
8 Travel Park Brake
16 Auxiliary Drum Disc Brake
32 Auxiliary Drum Minimum Bail Limit
Bank 7
1 Spare
2 Swing Park Brake
4 Hydraulic Filter Alarm 1
8 Hydraulic Filter Alarm 2
16 Hydraulic Filter Alarm 3
32 Hydraulic Filter Alarm 4
64 Hydraulic Filter Alarm 5
128 Boom Cylinders Hold
Bank 8
1 Spare
2 Boom Right Cylinder Encoder Channel A7
4 Boom Right Cylinder Encoder Channel B7
8 Boom Left Cylinder Encoder Channel A8
16 Boom Left Cylinder Encoder Channel B8
32 Hydraulic Filter Alarm 6

Manitowoc 777 Specifications

General

Brand	Manitowoc
Model	777
Category	Construction Equipment
Language	English