Not Ready; Ready; Reset; Automatic Operation Start - Mitsubishi Electric MELDAS C6 Instruction Manual

1.3 Not Ready

The operation preparation not ready state means that the system is not ready to run because of the
NC unit itself or because of the machine, even though power is supplied to the NC unit control circuit.
The READY lamp on the setting display unit is OFF.
(1) From power OFF to not ready (transition 2.)
• When the POWER ON switch of the setting display unit is pressed.
• 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 display unit screen.
• When any of the following alarms is displayed on the setting display unit screen;

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.
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Servo alarm, spindle alarm, MCP alarm, system alarm
CAUTION
Stay out of the moveable range of the machine during automatic operation. During rotation,
keep hands, feet and face away from the spindle.
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1. Operation State
1.3 Not Ready
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