1. Operation State
1.4 Ready
II - 4
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 display unit is ON.
The state is furthermore classified into the following four states.
1.4.1 Reset
The reset state means that the NC unit is reset.
(1) From not ready to reset (transition 4.)
This state is also called initial state.
(2) From another ready to reset (transition 5.)
• When the RESET key on the setting display unit is turned ON.
• When external reset signal is input from the machine.
• 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 AUTO START BUSY lamp on the
machine operation panel is ON.
(1) From another ready 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 movable range of the machine during automatic operation. During rotation, keep
hands, feet and face away from the spindle.
Carry out the dry run before the actual machining to confirm the machining program, tool offset
amount and workpiece coordinate system offset amount.
1.4.3 Automatic Operation Pause
The automatic operation pause state means that operation or motion temporarily pauses during execution of
one block during the automatic operation start. The AUTO PAUSE lamp on the machine operation panel is
ON and the AUTO START lamp is OFF.
(1) From automatic operation start to automatic operation pause (transition 7.)
• When the FEED HOLD switch on the machine operation panel is pressed.
• When automatic mode input is out.
1.4.4 Automatic Operation Stop
The automatic operation stop state means that execution of one block is completed and stopped during
automatic operation start. Both the AUTO START and AUTO PAUSE lamps on the machine operation panel
are OFF.
(1) From automatic operation start to automatic operation stop (transition 8.)
• When the SINGLE BLOCK switch on the machine operation panel is turned ON and execution of the
block is completed.
• When the automatic mode input changes to another automatic mode input.
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