Table of Contents
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Symbol /
Name
Abbreviation
TO
Technical manual (Operational principle)
TT
Technical manual (Troubleshooting)
T/M
Technical manual
W, W/M
Workshop manual
MC1
Main Controller 1
MC2
Main Controller 2
ECM
Engine Control Module
DLU
Data Logging Unit
GSM
Global System for Mobile communications
controller
BPU
Basic Performance Monitoring Unit
CSU
Contamination Sensing Unit
FMU
Fatigue Monitoring Unit
ODR
Operation Data Recorder
RPU
Radiation Performance monitoring Unit
WIU
Wireless Interface Unit
GPS
Global Positioning System
CAN
Controller Area Network
WKAA90-EN-00
SYMBOL AND ABBREVIATION
Explanation
Technical manual (Operational Principle).
Technical manual (Troubleshooting).
Technical manual.
Workshop manual (Removal and Installation, Disassembly
and Assembly).
Main controller 1. MC1 controls the engine, pump, and valve
according to the machine operating condition.
Main controller 2. MC2 controls the lights, wiper, washer, and
sliding fold-in ladder alarm.
Engine controller. ECM controls fuel injection amount
according to the machine operating condition.
Data logging unit. DLU records the information from each
controller.
Communication controller. GSM is a type of wireless
communication system, is used in more than on 100
countries around Europe and Asia, and becomes the factual
global standards of the mobile telephone.
Basic performance monitoring unit. BPU semiautomatically
measures the basic performance.
Contamination sensing unit. CSU senses contaminants in
the drain circuits of the main pump, swing motor, and travel
motor.
Mechanical fatigue monitoring unit. FMU monitors
mechanical fatigue of the structures.
Operation data recorder. ODR automatically records the data
related to the detected information which has been set.
RPU monitors the oil cooler state and the engine cooling
system including the radiator by using each temperature
sensor.
WIU outputs the machine operation data to PC via wireless
LAN.
Global positioning system.
CAN communication. CAN is a serial communications
protocol internationally-standardized by ISO (International
Organization for Standardization).
SY-1
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