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D877 MGB Rev01 HE250.docx
2.13 Command device working diagram
M1
BOARD INPUT CONNECTION
M2
SOLENOID VALVES INPUT CONNECTION
M3
SOLENOID VALVES CONNECTION
V-ENR ENR INPUT CONTROL
V-ERS ERS INPUT CONTROL
A-ENR ENR CURRENT CONTROL
A-ERS ERS CURRENT CONTROL
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 COMAMNDS TEPPER MOTOR
D-MPP STEPPER MOTOR CONTROL DRIVER
RM
STEPPER MOTOR CONNECTION RELAY
A1-A2 STEPPER MOTOR A PHASE
B1-B2 STEPPER MOTOR B PHASE
CN 1-5 BOARD SENSORS CONNECTIONS
CN6-8 BOARDSIGNALS INPUTCONNECTIONS
CN9-16 BOARD SIGNALS OUTPUT CONNECTIONS
CN20 BOARD MPP MOTOR CONNECTION
EN81-20DOWNWARD: DOWNWARD COMMAND DEVICES
EN81-20TRAVEL:
UPWARD / DOWNWARD COMMAND DEVICES