Checking the acceleration
The acceleration/deceleration can be changed using the motor datasheet through to the
maximum values, although this depends on the associated application. Enter appropriate
values for the application. In our example, a short acceleration/braking time is requested.
Number Designation Value
p0640 Current limit (p0305 motor rated current * 1.5) 32 A
p1520 CO: Torque limit upper/motorized M_max upper/mot 20.7 Nm
p1521 CO: Torque limit lower/regenerative / M_max lower/gen -20.7 Nm
p1530 Power limit motorized / P_max mot 13 kW
p1531 Power limit regenerative / P_max gen -13 kW
Enter the maximum values from the motor datasheet in the appropriate drive data: e.g.
1PH8089-1_M0, 1PH8089-1_M1 asynchronous motor
Figure 6-7 1PH8 induction motor
Recording a new trace
Procedure:
1. Execute the Spindle and Trace function. The time required for acceleration to the speed
setpoint can now be checked.
Trace selection: Actual speed
2. Set MD35200 so that it meets the machine manufacturer's requirements for the spindle
acceleration:
MD35200[0] $MA_GEAR_STEP_SPEEDCTRL_ACCEL
MD35200[1] $MA_GEAR_STEP_SPEEDCTRL_ACCEL
Tuning
6.5 Optimize the spindle
CNC commissioning
Commissioning Manual, 10/2015, 6FC5397-3DP40-5BA3 201
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