GAC ESD5400

The GAC ESD5400 Series speed control unit is an all-electronic device designed to control engine speed with fast and precise response to transient load changes.

It is similar to the ESD5200, but is designed for use with position feedback actuators.

Features of the GAC ESD5400 include:

  • Speed ramping control
  • Fuel limit
  • Switchable dual gain settings
  • and additional control loop tuning facilities.

The closed loop control, when connected to a proportional electric actuator and supplied with a magnetic speed sensor signal, will control a wide variety of engines in an isochronous or droop mode. It is designed for high reliability and built ruggedly to withstand the engine environment.

Simplicity of installation and adjustment was foremost in the design. Non-interacting performance controls allow near optimum response to be easily obtained.
Other features include adjustable droop and idle operation, inputs for accessories used in multiengine or special applications, protection against reverse battery voltage, transient voltages, accidental short circuit of the actuator and fail safe design in the event of loss of speed sensor signal or battery supply.

The fuel metering lever inside the fuel injection pump makes the system a secure system without the need for any external linkages.

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