D877 MGB Rev01 HE250.docx
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8.4
Diagram of functioning control devices
M1
BOARD INPUT CONNECTION
M2
SOLENOID
VALVES
INPUT
CONNECTION
M3 SOLENOID VALVES CONENCTION
ENR
VNR VALVE UNBLOCK SOLENOID
VALVE
ERS
VSC VALVE UNBLOCK SOLENOID
VALVE
ZERO VSC VALVE POSITION SENSOR
TF
FLOW SENSOR
TP1
PRESSURE SENSOR
TT
TEMPERATURE SENSOR
MPP VSC
VALVE
COMAMND
STEPPER
MOTOR
D-MPP STEPPER MOTOR CONTROL DRIVER
RM STEPPER
MOTOR
CONNECTION
RELAY
CN1-5 BOARD SENSOR INPUT CONNECTIONS
CN6-8 BOARD SIGNALS INPUT CONNECTIONS
CN9-16 BOARD
SIGNALS
OUTPUTCONNECTIONS
CN20 STEP
MOTOR
CONNECTOR
CONNECTION
CAN LINE COMMUNICATION AND SIGNALS
CONFIGURATION
EN81-20 DOWNWARD DOWNWARD COMMAND
DEVICES
EN81-20TRAVEL UPWARD AND DOWNWARD
COMMAND DEVICES
MAIN CARD
(MASTER)
SECONDARYCARD
(SLAVE)
DOWNWARD
EN81-20
TRAVEL
EN81-20
ELECTRIC
PANEL
TRAVEL EN81-
20
DOWNWARD
EN81-20