Buy HITACHI EX120-5 EX200-5 SERIES MAIN CONTROLLER COMPUTER | Tonkee®

The main controller computer plays a pivotal role in ensuring the efficient and safe operation of these excavators.

It receives input from various sensors and operators' commands and processes this information to make real-time decisions that optimize performance and prevent potential issues.

One of the primary functions of the main controller computer is to manage the engine's operation. It monitors data from sensors such as the throttle position sensor, engine temperature sensor, and oxygen sensor to regulate fuel injection, air intake, and exhaust emissions. This precise control enhances fuel efficiency, reduces emissions, and extends the lifespan of the engine.

Additionally, the main controller computer is responsible for overseeing the hydraulic system, which is crucial for the excavator's digging and lifting capabilities. It controls the flow and pressure of hydraulic fluid to ensure smooth and accurate movements of the boom, arm, and bucket. By fine-tuning these parameters, the excavator can perform a wide range of tasks with precision.

Safety is another critical aspect of the main controller computer's functionality. It constantly monitors the machine's vital signs, such as oil pressure and coolant temperature, to detect any anomalies. In the event of a potential issue, the controller can activate warning lights or alarms to alert the operator and prevent further damage. It may also initiate safety shutdown procedures to protect both the machine and its operators.

Furthermore, the main controller computer is responsible for collecting and storing diagnostic data.

This data can be accessed by service technicians using specialized tools, allowing for quick and accurate troubleshooting when issues arise. It records error codes, sensor readings, and operational history, providing valuable insights into the excavator's performance and maintenance needs.

The ECM or ECU also plays a role in reducing operator fatigue and enhancing comfort. It can control features such as automatic engine idle speed, which reduces noise and fuel consumption when the machine is not actively working. Additionally, it can be integrated with the excavator's cabin controls, allowing the operator to customize settings for a more ergonomic and efficient experience.

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