Indicator Lamps; Control Unit Ready; Automatic Operation Busy; Automatic Operation Start Busy - Mitsubishi Electric MELDAS 600M Series Instruction Manual

2. Indicator Lamps

2.1 "Control Unit Ready"

The NC UNIT READY lamp indicates that the NC unit is ready to run. The lamp goes OFF at
emergency stop or when an alarm occurs in the drive or operation block.

2.2 Automatic operation busy

The AUTO BUSY lamp is on from CYCLE START switch turning on in the automatic operation mode
(program run, or MDI) to the program end after M02 or M30 execution, reset, or emergency stop.
2.3 Automatic operation start b
The AUTO START BUSY lamp indicates that the NC unit is executing control in the automatic
operation mode. It is ON from the automatic operation start state entered when the CYCLE START
switch is pressed in the automatic operation mode (program run, or MDI) to the automatic operation
start end such as the automatic operation pause busy state entered when the FEED HOLD switch is
pressed or block completion stop (block stop).

2.4 Automatic operation pause busy

The AUTO PAUSE lamp is on from FEED HOLD switch turning on to CYCLE START switch turning
ON or when the mode selection switch is changed from the automatic to manual mode during the
automatic operation.
2.5 Return to reference point
Output is executed when the controlled axis arrives at the reference point during manual and
automatic reference point return.
2.6 NC alarm
The ALARM lamp goes on when an alarm occurs during NC operation.
2.7 M00
If M00 given in a program is executed during automatic operation, automatic operation stop is
performed after execution of the M00 block is completed. The M00 lamp is turned on. (This depends
on PLC processing.)
2.8 M02/M30
When M02 or M30 is executed during automatic operation, the NC unit reaches the program end
and the M02 or M30 lamp is turned ON. (This depends on PLC processing.)
Downloaded from ManualsNet.com
CHAPTER 2 MACHINE OPERATIONS
search engine
2. Indicator Lamps
usy
II – 5