YASKAWA SVC User Manual page 87

3.4 Motion Parameter Details
3.4.1 Fixed Parameter Details
Encoder Settings
 Rated Motor Speed (Rotary Motor)
Set the rated motor speed in revolutions per minute.
No.
34
Setting Precautions
Set this parameter based on the specifications of the motor.
 Rated Speed (Linear Motor)
Set the rated speed.
No.
34
Setting Precautions
• Set this parameter according to the specifications of the linear motor.
• When fixed parameter No. 4 (Reference Unit Selection) is set to 0 (Pulses), the setting unit is
either 0.1 m/s or 0.1 mm/s.
Use 0.1 m/s for the rated speed unit when the linear scale pitch is set in μm.
Use 0.1 mm/s for the rated speed unit when the linear scale pitch is set in nm.
• When fixed parameter No. 4 (Reference Unit Selection) is set to 1 (mm), the setting unit is 0.1
m/s.
• When fixed parameter No. 4 (Reference Unit Selection) is set to 4 (μm), the setting unit is 0.1
mm/s.
Refer to the following section for details on the linear scale.
5.1.8 Linear Scale Pitch and Rated Speed on page 5-15
 Number of Pulses Per Motor Rotation (Rotary Motor)
Set the number of feedback pulses per motor rotation.
No.
36
Setting Precautions
Set this parameter based on the specifications of the motor. If you are using a 24-bit encoder,
refer to the following section and set the number of pulses per motor rotation.
5.4 Absolute Encoders with 24-Bit Resolution on page 5-53
Example
 Number of Pulses Per Linear Scale Pitch (Linear Motor)
Set the number of pulses that is equivalent to the value that is set for fixed parameter No. 6
(Linear Scale Pitch).
No.
36
Setting Precautions
Set this parameter according to the specifications of the linear scale.
3-34
Name
Rated Motor Speed (Rotary
Motor)
Name
Rated Speed (Linear Motor)
Name
Number of Pulses Per Motor
Rotation (Rotary Motor)
16
For a 16-bit encoder, set 2
Name
Number of Pulses Per Linear
Scale Pitch (Linear Motor)
SVC SVR
Setting Range
1 to 100,000
min
SVC SVR
Setting Range
0.1 m/s,
1 to 100,000
0.1 mm/s
Setting Range
−1
31
pulse
1 to 2
= 65,536.
Setting Range
pulses/linear scale
−1
31
1 to 2
pitch
Setting Unit Default
-1
3,000
Setting Unit Default
3,000
SVC SVR
Setting Unit Default
65,536
SVC
Setting Unit Default
65,536
SVR