YASKAWA SVC User Manual page 357

5.1 Motion Parameters
5.1.8 Linear Scale Pitch and Rated Speed
 Example Settings 2
The following table lists example settings for the following linear motor specifications.
• Linear scale pitch: 400 (nm)
• Serial converter resolution: 9 (bits)
• Rated speed: 1.5 (m/s)
Fixed parame-
ter No. 4
(Reference
Unit Selection)
pulse
mm
μm
Important
5-16
Unit and Number of Digits
below the Decimal Point for
the Linear Scale Pitch and
Rated Speed
Linear scale pitch: nm
Rated speed: 0.1 m/s
Number of digits below the
decimal point: 5
Number of digits below the
decimal point: 3
1. In the following case, set fixed parameter No. 34 (Rated Speed) in units of 0.1 m/s.
• When fixed parameter No. 4 (Reference Unit Selection) is set to 0 (Pulses)
• When fixed parameter No. 6 (Linear Scale Pitch) is set in μm
2. In the following case, set fixed parameter No. 34 (Rated Speed) in units of 0.1 mm/s.
• When fixed parameter No. 6 (Linear Scale Pitch) is set in nm
Example Settings
Linear scale pitch: 400 (nm)
Rated speed: 15,000 (0.1 mm/s)
Number of pulses per linear scale pitch: 512 (pulses) = 2
Linear scale pitch: 40 (reference units)
400(nm)=40 (0.00001 mm)
Rated speed: 15 (0.1 m/s)
Number of pulses per linear scale pitch: 512 (pulses) = 2
Linear scale pitch: 400 (reference units)
400(nm)=400 (0.001 μm)
Rated speed: 15,000 (0.1 mm/s)
Number of pulses per linear scale pitch: 512 (pulses) = 2
9
9
9