Mitsubishi C70

1. Operation State
1.2 Power OFF
II - 3
1.2 Power OFF
The power OFF state means that no power is supplied to the control circuit.
(1) From any other state to power OFF (transition 1.)
• When the POWER OFF switch of the setting display unit is pressed.
• When POWER OFF signal is input from the machine.
• When power supplied from the machine to NC unit is turned OFF.
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;
Servo alarm, spindle alarm, MCP alarm, system alarm