Bobcat E55W, E60, E80 Excavator Electronic Control System Manual

Page 86

CONTROL FUNCTIONS (CONT’D) Application Interface Outline (Cont’d) •

Control failure A failure detected by the E-ECU may cause the engine to stop. For details see "Engine/control failure detection" sections.

Figure 10-40-40

ECU close

Engine stop

Stop SW When stop SW is ON (standard)

open NO SHUDNSW(E15)

Disconnection

Stop SW Operation (Normally Open contact type: NC) OFF(open)

Permitted

ON(close)

Stop

Disconnection(open)

Permitted

Stop2 SW (Normally Open contact type: NO)

CAN input

Operation

OFF(open)

0

Permitted

ON(close)

1

Stop

Disconnection(open)

-

Permitted

APP-IP7(E13) Disconnection

NO

open close

Stop2 SW When stop2 SW is ON (standard)

Engine stop

Figure 10-40-41

ECU

Immobilizer key Power supply short

SHUDNSW (E15)

Logic setting of SHUDNSW terminal=NC (optional) NC

Disconnection

Body short

10-40-38 86 of 182

Condition of engine stop switch (NC)

Engine operation

OFF(close)

Permitted

ON(open)

Prohibited

Disconnection (open)

Prohibited

Body short

Prohibited

Power supply short

Permitted

E55W, E60, E80 Electronic Control System Manual


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