Front control system, area setting method and control panel for construction machine

摘要

A setting device (7) comprises a direct setting switch (7a) for instructing the direct teaching setting, a numeral input key (7b) consisted of up- and down-keys (7b1, 7b2) for instructing the numeral input setting, a setting changeover switch (7c1) for changing over a setting mode from the direct teaching setting to the numeral input setting, an LED (7c2) lighting up when the setting changeover switch (7c1) is pushed, an area limiting switch (7d1) for staring the area limiting excavation control, an LED (7d2) lighting up when the area limiting switch (7d1) is pushed, and a display screen (7e) comprised of liquid crystals, etc. for indicating the position of a bucket end of a front device (1A) in terms of a numeral value when the setting changeover switch (7c1) is not pushed, and indicating the numeral value input with the numeral input setting when the setting changeover switch (7c1) is pushed. In a front control system for a construction machine, therefore, the operator can always select optimum area setting means in any of work sites and take appropriate and prompt actions for various types of works.