T-Series/Commands/Set Microstep Resolution/A-Series Motorized Devices/A-Series Resolutions

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The default value on most devices is 64. Valid range of microstep resolution is 1 to 256 for version 6.06 and above.

For firmware version 6.01 to 6.05, available microstep resolutions are:

1, 2, 4, 8, 16, 32, 64, 128, 256
3, 6, 12, 24, 48, 96, 192
5, 10, 20, 40, 80, 160
9, 18, 36, 72, 144
15, 30, 60, 120, 240
25, 50, 100, 200
27, 54, 108, 216
45, 90, 180

All position related settings are in units of microsteps. When you change the microstep resolution, microstep related settings are automatically restored to their default values and then adjusted to match the scale of the new resolution.

If you have previously changed any settings, you will need to reconfigure them after setting a new microstep resolution. The device should be homed after assigning a new microstep resolution.

The following example shows affected settings when resolution is changed from 64 to 32:

Setting Default Before After
Microstep Resolution * 64 64 32
Current Position n/a 10501 ** 5250 **
Target Speed * 153600 ignored 76800
Knob Velocity Scale * 153600 ignored 76800
Home Speed * 50000 ignored 25000
Maximum Position * 280000 ignored 140000
Minimum Position * 0 ignored 0
Home Offset * 0 ignored 0
Acceleration * 205 ** ignored 102 **
Deceleration * 205 ** ignored 102 **

* The settings for these commands are saved in non-volatile memory.

** Note that if a number is divided by two, it is rounded down to the nearest whole number.

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