ECON-4 1.4.0 Global Guide
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2 System overview
2.1 Description of the governor system
ECON-4 is a flexible speed governor capable to operate in various configurations. Possible configurations can
be:
a. Control via CAN – it reads the values of control bits and required analog values from the CAN bus line and
not from its terminals (expect from BIN S4.6 Run/Stop, this signal must be present in all 3 modes)
b. Control via Binary signals
c. Control via Analogue and binary inputs.
Speed and power of a single fuel engine is always controlled by the actuator connected to ACT terminals or
Analog Output in case of actuator with 0-20mA(4-20mA) usage. This actuator can control a fuel rack for diesel
engines or a mixture throttle valve for gas engines.
ECON-4 ADV is advanced version, it is dedicated specially to control of engine in island operations where load
steps are expected.
2.1.1 Control by CAN-bus
ECON-4 can receive values of some binary and analog control inputs via CAN-bus communication line from
engine controller, (see setpoints Speed request (page 49) or CB request (page 50) for more information). This
arrangement can significantly simplify the wiring on site.
Control of speed request by CAN-bus is active only if setpoint Speed request (page 49) has value DATA
Control of GCB and MCB feedback by CAN-bus is active only if setpoint CB request (page 50) has value DATA.
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