Mitsubishi Electric C70 Setup Manual page 460

004E NC command mode error
Details
An error was detected in the control mode send from the NC.
- Servo stop method: Deceleration stop enabled
- Spindle stop method: Deceleration stop enabled
004F Instantaneous power interrupt
Details
The control power supply has been shut down for 50ms or more.
- Servo stop method: Deceleration stop enabled
- Spindle stop method: Deceleration stop enabled
0050 Overload 1
Details
Overload detection level became 100% or more. The motor or the drive unit is overloaded.
- Servo stop method: Deceleration stop enabled
- Spindle stop method: Deceleration stop enabled
0051 Overload 2
Details
In a servo system, current command of 95% or more of the unit's max. current was given continuously
for 1 second or longer. In a spindle system, current command of 95% or more of the motor's max.
current was given continuously for 1 second or longer.
- Servo stop method: Deceleration stop enabled
- Spindle stop method: Deceleration stop enabled
0052 Excessive error 1
Details
A position tracking error during servo ON was excessive.
- Servo stop method: Deceleration stop enabled
- Spindle stop method: Deceleration stop enabled
0053 Excessive error 2
Details
A position tracking error during servo OFF was excessive.
- Servo stop method: Dynamic stop
0054 Excessive error 3
Details
There was no motor current feedback when the alarm "Excessive error 1" was detected.
- Servo stop method: Dynamic stop
- Spindle stop method: Coast to a stop
0056 Commanded speed error
Details
In the C-axis control mode, excessive speed error was detected.
- Spindle stop method: Deceleration stop enabled
0058 Collision detection 1: G0
Details
A disturbance torque exceeded the allowable value in rapid traverse modal (G0).
- Servo stop method: Maximum capacity deceleration stop
0059 Collision detection 1: G1
Details
A disturbance torque exceeded the allowable value in the cutting feed modal (G1).
- Servo stop method: Maximum capacity deceleration stop
C70 Setup Manual
Appendix 2.3 Servo/Spindle Alarms (S)
443