Data Protection Key (Y319) - Mitsubishi Electric C70 Setup Manual

C70 Setup Manual
6.1 Machine Parameters and Setting Screen Configuration

6.1.3 Data Protection Key (Y319)

The data protection key must be turned ON before writing parameters in a CNC.
Turning the data protection key ON protects data, such as user parameters, common variables, CNC ladder, R
register, C register, and T register. When the data protection key is turned OFF, setting operations for parameters
and common variables are prohibited.
For details, refer to "C70 PLC Interface Manual".
For a setting from the CNC screen, go to "I/F diagnosis" screen on CNC monitor, enter "Y319" to "Device" and "1"to
"Data", then touch "Input" key.
For a setting with a PLC program, turn ON the data protection key 2 (G+01/Y319).
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