PLATFORM GP-OPERATOR 3423625 - Caterpillar

Illustration 1 g02202033
Rear of cab (1) Machine ECMThe electronic control system consists of electronic control modules for the machine (1), the monitor, and the engine. The machine ECM (1) receives input signals from various components on the machine. The machine ECM continuously monitors the input signals. The input signals are monitored in order to control the output flow rates. The flow rates pertain to the main pumps, engine speed, and various components of the machine hydraulic systems.Movement of the joysticks and/or the travel levers/pedals creates an electrical input signal that is sent to the machine ECM. The machine ECM sends an electrical output to the proportional solenoids on the main control valve and the swing control valve. The outputs are used in order to control machine movement and implement movement. At the same time, the machine ECM controls the flow of swing pump and the torque of the main pump. The machine ECM (1) also sends a signal to the engine ECM in order to control the engine speed.The ECM for the monitor displays abnormalities on the message center if an abnormality occurs on the machine. ReferenceFor more information concerning the electronic control system, refer to Systems Operation/Troubleshooting/Testing and Adjusting, "Machine Electronic Control System".