Skip to main content

Archive

Show more

What Is Electronic Diesel Control



What Is Electronic Diesel Control

In this article, we will talk about Volvo TAD engine electronic diesel control. The TAD Series engines are direct injection in-line 4 and 6 cylinder diesel engine equipped with electronically controlled fuel management (EDC 4), turbocharger, thermostatically controlled cooling systems and electronic speed control. All TAD engines are also fitted with charge air-coolers.

EDC 4 (Electronic Diesel Control) is an electronic system with CAN (Controller Area Network) or potentiometer communications for diesel engine control. The system includes fuel management and diagnostic functions.

Overview

The system includes sensors, control unit and an engine speed regulator. The sensors send input signals to the control unit, which in turn governs the injection pump control rack by means of an actuator in the engine speed regulator.

Input signals

The control unit receives input signals about engine operating conditions from the following components:

1. rpm sensor, camshaft
2. coolant temperature sensor
3. charge pressure sensor
4. oil pressure sensor
5. fuel temperature sensor
6. coolant level sensor (the function is implemented in the control unit as standard, but no sensor is supplied with the engine as a standard feature.)


Output signals


The control module uses the input signals to control the following components:

1. engine speed regulator (with position sensor for the control rack and actuator)
2. electric air preheating (option)


Information from the sensors provides exact information about current operation conditions and allows the processor to calculate the correct fuel volume, check engine status etc.

Diagnostics function

The task of the diagnostics function is to detect and localize any malfunctions in the EDC 4 system, to protect the engine and to ensure operation in the event of serious malfunction.

If a malfunction is detected, notification is made either by the diagnostic function, by warning lamps or via the CAN network. Pressing the diagnostic button will provide the operator with a fault code for guidance in any fault-tracing. Fault codes can also be read off via the CAN interface or using the Volvo VODIA tool (including Penta EDC 4 software) at an authorized Volvo Penta workshop.

If there is a serious malfunction, the engine is shut down altogether. Here too, fault codes can be flashed out via the diagnostics connector, the CAN interface or with the Volvo VODIA tool (including th Penta EDC4 software) at an authorized Volvo Penta workshop.

Instruments and Controls

Gauges

The engines are not supplied with instruments and controls. The choice of instruments and controls is up to the customer. Below is a description of the functions available.

A. Rpm-potentiometer (Throttle control)
B. CAN interface SAE J 1939
C. VODIA input
D. Droop switch
E. 1500/1800 switch
F. Diagnostics button
G. Tachometer
H. Warning lamp, oil pressure
J. Diagnostics lamp
K. Warning lamp, coolant temperature
L. Fuse15A
M. Main switch
N. Battery (orange indication) (24/12 V)



Comments

Popular posts from this blog

New Yuchai engine YC6K600-D30 power for diesel generator 50Hz

Technical Parameters of Boduan 500KW Weichai Generator Set 6M33D572E200

  The 6M33D633E200 diesel engine is a special-purpose diesel engine for land-based power generation in the M33 series. It is a new-structure power generation diesel engine with a centrally - located turbocharger developed by Weichai Power Co., Ltd. in 2016. Continuous Power (COP): The maximum power at which the diesel engine can run continuously under a constant load with no limit on the annual operating hours. It is the ISO standard power. Prime Power (PRP): The maximum power at which the diesel engine can run continuously under variable loads with no limit on the annual operating hours. It is an ISO standard power that allows a 10% overload. Standby Power (ESP): The maximum power in a certain variable - power series that the diesel engine can operate for up to 200 hours per year. It is an ISO standard power with limited fuel consumption.   Operating Conditions and Applications of Baudouin  500KW Weichai Generator Set  Diesel Engine Power Classification Operating Co...

How to know and solve faults of genset voltage transformer

 Today Starlight Power shares the common faults for voltage transformer of diesel generator set. Hope it is helpful to you. 1) The insulation between iron chips is damaged. Fault phenomenon: temperature rises during operation. The possible causes of the failure are: poor insulation between iron chips, bad use of environmental conditions or long-term operation under high temperature, which promote the insulation aging between iron chips. (2) Poor contact between grounding plate and iron core. Fault phenomenon: there is discharge sound between iron core and oil tank during operation. Cause of failure: the grounding plate is not inserted tightly, and the mounting screw is not tightened. (3) The iron core is loose. Fault phenomenon: abnormal vibration or noise during operation. The cause of failure: the iron core clamp is not clamped, and the iron chip is loose. (4) Turn to turn short circuit of winding. Fault phenomenon: during operation, the temperature rises, there is ...