Bobcat E55W, E60, E80 Excavator Electronic Control System Manual

Page 77

CONTROL FUNCTIONS (CONT’D) Application Interface Outline (Cont’d) Utilizing features 1 and 2 above permits establishing a remote (auto) start/stop system that can be operated through an external sequence. See [Figure 10-40-30] for details. In the figure, a machine start recognition signal (E8) is given from an external control device in place of the key switch.

Figure 10-40-30 External controller (Ex.: PLC) 12V Run signal 12V

Start signal

Run signal • Goes off when the engine stops. Start signal • Must be tuned off when it is detected that the engine has started. • Must be turned off within 160 seconds if it is not detected that the engine has started.

External switch APP-IP1 E24 E39 E40

CAN communication

ECU

Relay (NO)

E20 APP-OP1 E8 Engine start recognition

S

Starter

B

Battery

The engine run signal goes on at engine start and goes off at engine stop. The start signal must be turned off within 160 seconds as a guideline. Otherwise, the starter tries to start the engine repeatedly in intervals of 30 seconds when the engine may not be able to start for some reason.

10-40-29 77 of 182

E55W, E60, E80 Electronic Control System Manual


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