Yaskawa MP930 - Manual (Page 204)

5.2 Parameter Settings
5 -19
Parameter
No.
Default Description Name
18 No. of digits
left of radix
point The minimum reference unit is determined by this parameter and Reference Unit Selec-
tion in the servo controller function selection flags (b0 to b3).
Table 5.1 shows the parameter settings.
3
19 Machine rota-
tion/reference
unit Sets the amount a load moves (reference units) per load axis rotation.
S Setting range: 1 to 2 31 − 1
10000
unit
Ball screw
Ball screw pitch = 10 mm
10
Ball screw pitch = 10 mm
Reference Unit Selection = mm
Number of digits left of t radix point = 3
↓
Set the amount of movement per ma-
chine 1 rotation to 10000.
Rotating table
One rotation = 360°
One table rotation = 360°
Reference Unit Selection = deg
Number of digits left of radix point = 3
↓
Amount of movement per machine 1
rotation to 360000
πD
D
One roller rotation = 360°
Reference Unit Selection = mm
Number of digits left of radix point = 3
↓
Set the amount of movement per ma-
chine 1 rotation to πD × 1000.
10000
Table 5.1 Parameter for Number of Digits Left of Radix Point
Parameter Setting Reference
Unit (pulse)
Reference
Unit (mm)
Reference
Unit (deg)
Reference
Unit (inch)
No. of digits left of radix
point = 0 1 pulse 1 mm 1° 1″
No. of digits left of radix
point = 1 1 pulse 0.1 mm 0.1° 0.1″
No. of digits left of radix
point = 2 1 pulse 0.01 mm 0.01° 0.01″
No. of digits left of radix
point = 3 1 pulse 0.001 mm 0.001° 0.001″
No. of digits left of radix
point = 4 1 pulse 0.0001 mm 0.0001° 0.0001″
No. of digits left of radix
point = 5 1 pulse 0.00001 mm 0.00001° 0.00001″
5