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MITSUBISHI CNC
III Functional Specifications
15.1 Safety Switches
15.1.1 Emergency Stop
M720VW
M system
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L system
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All operations are stopped by the emergency stop signal input and, at the same time, the drive section is
stopped and the movement of the machine is stopped.
At this time, the READY lamp on the setting and display unit goes OFF and the servo ready signal is turned
OFF.
15.1.2 Data Protection Key
M720VW
M system
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L system
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With the input from the user PLC, it is possible to prohibit the parameter setting or deletion, and the program
edit on setting and display unit.
Data protection is divided into the following groups.
Group 1 : For protecting the tool data and protecting the coordinate system presettings as based on
origin setting (zero)
Group 2 : For protecting the user parameters and common variables
Group 3 : For protecting the machining programs
III - 330
M730VW
M750VW
M720VS
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M730VW
M750VW
M720VS
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M730VS
M750VS
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M730VS
M750VS
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