Hitachi ZW180, Техническое руководство

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SYSTEM / Control System
T2-1-1
GENERAL
There are four controllers as shown below with MC –
Main Controller – installed at their center.
•
MC: Main Controller
•
ICF: Information Controller
•
ECM: Engine Control Module
•
Monitor Unit
The controllers are mutually connected through CAN,
and each controller uploads the analog signals de-
tected by the sensors and switches as well as the
analog output signals to the solenoid valves on CAN
by converting them into the digital signals.
As the signals are processed into the digital signals, a
large amount of signals detected by each controller
can be transmitted through few wires in a shirt time.
MC, ECM and the monitor unit display indications on
the monitors and make various controls of the vehicle
body by using the analog signals received by each
controller as well as the digital signals detected on
CAN.
ICF stores machine history, receives the digital signals
for various adjustments from Dr. ZX, transmits them to
CAN, and transmits the vehicle body information
(digital signal) received by each controller to Dr. ZX.
A GPS-provision (optional) vehicle makes location
arithmetic operation, utilising the signals received by
artificial satellites and transmits body information to the
e-service host computer through the artificial satellites.
(Refer to the TROUBLESHOOTING/e-wheel group.)
ECM
Monitor
Unit
ICF
CAN
Sensors, Switches and
Solenoid Valves
S
S
S
Dr. ZX
MC
GPS
Receipt and Transmission by
Analog Signal
Receipt and Trans-
mission by Digital
Signal