3 – 666 HEIDENHAIN Service Manual iTNC 530
3.3.2 Nominal speed value monitoring
For the axes, the nominal speed value monitoring is effective only in operation with velocity
feedforward.
For the spindle, it is effective in operation with following error as long as the position control loop
is closed (orientation).
If the nominal speed value calculated by the position controller is greater than the maximum
possible nominal value, the error message NOMINAL SPEED VALUE TOO HIGH <AXIS> appears and
the control-is-ready output is reset.
Problem or error The machine does not reach the set acceleration and braking ramps.
It has lost its dynamic!
Possible remedies The list does not claim to be complete; ask your machine tool builder!
You may add your own experiences!
For analag axes: Check the tachometer and carbon brushes, adjust the servo amplifier again
For digital axes: New adjustment of the control loops by the machine manufacturer
Overhaul the mechanics
Eliminate the hardware error in the control loop
Maximum nominal value
Analog Axes Analog Spindles Digital axes
10 V 20 V Maximum motor speed from the motor table
Entries in the motor table must not be changed!
To Next Page
Loading...
