
B-63943EN-1/02 11.SPINDLE SPEED FUNCTION
- 1243 -
3731 Compensation value for the offset voltage of spindle speed analog output
[Input type] Parameter input
[Data type] Word spindle
[Unit of data] Velo
[Valid data range] -1024 to 1024
Set a compensation value for the offset voltage of spindle speed
analog output.
Setting = -8191 × offset voltage (V)/12.5
[Adjustment method] <1> Assign standard value 0 to the parameter.
<2> Specify the spindle speed so that the analog output of the spindle
speed is 0.
<3> Measure the output voltage.
<4> Assign the value obtained by the following equation to parameter
No.3731.
Setting value = (-8191 × Offset voltage (V)) / 12.5
<5> After setting the parameter, specify the spindle speed so that the
analog output of the spindle speed is 0. Confirm that the output
voltage is 0V.
NOTE
This parameter needs not to be set for serial
spindles.
3732
The spindle speed during spindle orientation or the spindle motor speed
during spindle gear shift
[Input type] Parameter input
[Data type] 2-word path
[Valid data range] 0 to 20000
Set the spindle speed during spindle orientation or the spindle motor
speed during gear shift.
When GST, #1 of parameter 3705, is set to 0, set the spindle speed
during spindle orientation in min
-1
.
When GST, #1 of parameter 3705, is set to 1, set the spindle motor
speed during spindle gear shift calculated from the following formula.
For a serial spindle
Setting value =
(Spindle motor speed during spindle gear shift / Maximum
spindle motor speed) × 16383
For an analog spindle
Setting value =
(Spindle motor speed during spindle gear shift / Maximum
spindle motor speed) × 4095