If you want to use the position control of the servo amplifier, then you must enter the specific parameters for
your drive:
1.
Axis type:
- Click on the POSITION button
- Click on the POSITION DATA button
- Select the axis type (linear, rotary or modulo)
2.
For the axis type MODULO: enter the parameters Modulo-Start-Pos. and Modulo-End-Pos.
3.
Resolution:
- Enter the denominator and numerator for the resolution. Here you adjust the path
traversed by the load in positioning units (length unit for linear axes, or °mech.
for rotary axes) to match the number of turns of the motor.
Only integer entries are permitted.
Example 1: Ratio = 3.333
mm / turn
=> resolution = 10000/3 µm/turn (all other path entries in µm)
or
=> resolution = 10/3 mm/turn (all other path entries in mm)
Example 2: Ratio = 180 °mech./turn
=> resolution = 180/1 °mech./turn (all other path entries in °mech)
4.
vmax:
- Enter the maximum traversing speed for the load that results from the resolution
at the rated speed of the motor. The dimensional unit is derived from the
resolution (°mech./sec or length units/sec).
Example 1: resolution = 10000/3 µm/turn, nnom = 3000 turns/min
=> vmax = resolution * nnom = 10000/3 * 3000 µm/min = 10 000 000 µm/min
or
=> vmax = resolution * nnom = 10/3 * 3000 mm/min = 10 000 mm/min
Example 2: resolution = 180 °mech/turn, nnom = 3000 turns/min
=> vmax = resolution * nnom = 180 * 3000 °mech/min = 9000 °mech/s
5.
t_acc/dec_min:
- Enter the time in ms that the drive requires, with the
mechanically permissible maximum acceleration,
to accelerate from zero speed to vmax.
6.
InPosition:
- Enter the window for InPosition. This value is used for the InPosition message.
The dimensional unit is derived from the resolution
(°mech. or length unit).
Typical value: e.g. approx. resolution * 1/100 turn
7.
max. following error:
- Enter the window for the following error. This value is used for the message
FOLLOWING ERROR. The dimensional unit is derived from the resolution
(°mech. or length unit).
Typical value: e.g. approx. resolution * 1/10 turn
8.
Save parameters:
- Click on the button
- Answer the query RESET AMPLIFIER with YES
18 Setup Software
Axis Commissioning Checklist Procedures 07/03 BECKHOFF
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