4.2 Basic Functions Settings
4-9
Related Parameter
4.2.4 Electronic Gear
The electronic gear enables the workpiece travel distance per reference unit input from the host controller. The
minimum unit of the position data moving a load is called a reference unit.
Parameter Meaning When Enabled Classification
Pn00D
n.0
[Factory setting]
Does not detect overtravel warning.
After restart Setup
n.1 Detects overtravel warning.
When the Electronic Gear is Not Used:
Calculate the revolutions.
1 revolution is 6 mm. Therefore, 10 ÷ 6 = 10/6 revolutions.
When the Electronic Gear is Used:
Ball screw pitch: 6 mm
Workpiece
Encoder resolution (20 bit) 1048576
1
2
3
The section indicates the difference between using and not using an electronic gear when a
workpiece is moved 10 mm in the following configuration.
Calculate the required reference units.
1048576 reference units is 1 revolution. Therefore, 10/6 × 1048576 = 1747626.66 reference units.
Input 1747627 references as reference units.
Reference units must be calculated per reference. → complicated
The reference unit is 1 μm. Therefore, to move the workpiece 10 mm (10000 μm),
1 reference unit = 1 μm, so 10000 1 = 10000 reference units.
Input 10000 reference units.
Calculation of reference units per reference is not required. → simplified
Rotation
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