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Volvo EC330B Excavator Electronic Control System Overview

Volvo ECB330B Excavator Electronic control system overview 

Volvo ECB330B Electronic control system is composed of various computers and its communication line. In our system, 2 computer (EECU, VECU) is programmable and 1 computer (MDU) is not.Volvo Tech Tool
Communication is important thing to control the machine properly.
We use two communication lines that is international protocol.
The line is twisted to protect the bus from electrical interference.


CAN bus (SAE J1939)
CAN stands for Control Area Network. Actually this signal control machine and is very fast.


Information bus (SAE J1708)
This bus is connected to all control units and the service socket and have back-up function for the control bus of E-ECU. The system status is continuously updated. By using this bus, we can use MATRIS and VCADS Pro and can program the ECU.Volvo 88890300
 

MID (Message Identification Description):
Unique number for each control unit
 

PID (Parameter Identification Description):
Unique number for each parameter
 

PPID (Proprietary Parameter Identification Description):
Volvo-Unique number for each parameter
 

SID (Subsystem Identification Description)

Unique number for component Volvo Prosis Free Download


PSID (Proprietary Subsystem Identification Description)
Volvo-Unique number for component

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