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3. Reset Switch and Emergency Stop Button
3.1 Reset Switch
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3. Reset Switch and Emergency Stop Button
3.1 Reset Switch
The controller is reset by turning ON the RESET switch on the machine operation panel or the RESET key
on the setting and display unit. When the RESET switch or key is turned ON while the controller is running,
the unit is placed in one of the following states.
on the setting and display unit. When the RESET switch or key is turned ON while the controller is running,
the unit is placed in one of the following states.
(1) If a move command is being executed, move stops with deceleration and the remaining distance in the
executing block is cleared.
(2) If miscellaneous function such as M, S, or T is being executed, execution of the miscellaneous function
is interrupted.
(3) The active and buffer memory contents and display are cleared.
(4) If a program error occurs and remains, the program error state is cleared and the ALARM lamp goes
OFF.
(5) If the reset switch is turned ON while the input/output device is running, the power will be cut off.
(6) When the reset switch is turned ON, the modal state will return to its original state.
3.2 Emergency Stop Button
The EMERGENCY STOP button is a red mushroom-shape pushbutton. The unready state is set by
pressing the EMERGENCY STOP button. During emergency stop, the READY lamp goes OFF and
automatic operation and manual operation do not work. The controller is reset.
pressing the EMERGENCY STOP button. During emergency stop, the READY lamp goes OFF and
automatic operation and manual operation do not work. The controller is reset.
If the EMERGENCY STOP button is pressed when a move command is executed, the moving axis stops
and all other machine motions also stop.
and all other machine motions also stop.
When the EMERGENCY STOP button is released, the READY lamp goes ON in about one second and
operation enable state (READY state) is entered.
operation enable state (READY state) is entered.
When parameter is emergency stop hold type, if the EMERGENCY STOP button is pressed, the emergency
stop state is held. To release the emergency stop state, turn ON the RESET switch.
stop state is held. To release the emergency stop state, turn ON the RESET switch.
If the EMERGENCY STOP LIMIT switch of each axis works, the same state as if the EMERGENCY STOP
button were pressed may be entered depending on the machine specifications.
button were pressed may be entered depending on the machine specifications.
CAUTION
If the axis overruns or emits an abnormal noise, immediately press the emergency stop button and
stop the axis.
stop the axis.