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1. Operation State
1.3 Run Not Ready
II-3
1.3 Run Not Ready
The operation preparation not ready state means that the system is not ready to run because of the
controller or because of the machine, even though power is supplied to the NC unit is control circuit. The
RUN READY lamp on the setting and display unit is OFF.
(1) From power OFF to not ready (transition 2))
• When POWER ON signal is input from the machine.
(2) From ready to not ready (transition 3))
• When EMG (emergency stop) is displayed on the setting and display unit; or
• When any of the following alarms is displayed on the setting and display unit;
Servo alarm, feedback alarm, excessive error alarm, watch dog, MCP alarm.
1.4 Ready
The operating preparation ready state means that power is supplied to the NC unit control circuit and the
system is ready to run. The READY lamp on the setting and display unit is ON.
The state is furthermore classified into the following four:
1.4.1 Reset
The reset state means that the controller is reset.
(1) From not ready to reset (transition 2))
This state is also called initial state.
• When about four seconds have passed after the power is turned ON.
(2) From another ready state to reset (transition 5))
• When the RESET key on the setting and display unit is turned ON;
• When external reset signal is input from the machine; or
• When M02 or M30 is executed (depending on the machine specifications).
1.4.2 Automatic Operation Start
The automatic operation start state means starting in automatic mode. The IN-AUTO OPERATION lamp on
the machine operation panel is ON.
(1) From another ready state to automatic operation start (transition 6))
• When the CYCLE START switch on the machine operation panel is pressed in automatic mode.
CAUTION
Stay out of the moveable range of the machine during automatic operation. During rotation, keep
hands, feet and face away from the spindle.