Yaskawa MP920 Motion Module - Manual (Page 128)

4 Parameters
4.2.1 Motion Fixed Parameters
4-8
18 Number of Digits
Below Decimal
Point
(DECNUM) 0 to 5
(Default = 3) Sets the number of digits right of
the decimal point in commands.
(Example)
With 3 digits right of the decimal
point
mm: 1 reference unit = 0.001
mm
deg: 1 reference unit = 0.001 deg
inch: 1 reference unit = 0.001
inch Minimum reference unit
is determined by this
parameter as well as by
the Reference Unit
Selection (see fixed
servo parameter no. 17.). √ √ √ √
19 Travel Distance
Per Machine
Rotation
(PITCH)
1 to 2 31 -1
(Default = 10000)
1 = 1 reference unit √ √ √ √
21 Servomotor Gear
Ratio
(GEAR_
MOTOR) 1 to 65535
(Default = 1) 1 = 1 rotation √ √ √ √
22 Machine Gear
Ratio
(GEAR_
MACHINE) 1 to 65535
(Default = 1) 1 = 1 rotation √ √ √ √
23 Infinite Length
Axis Reset
Position
(POSMAX)
1 to 2 31 -1
(Default =
360000)
1 = 1 reference unit √ √ √ √
25 Maximum Num-
ber of Absolute
Encoder Turns
(MAXTURN)
1 to 2 31 -1
(Default = 99999)
1 = 1 rotation √ √ √ −
27 Positive Software
Limit
(SLIMP)
-2 31 to 2 31 -1
(Default = 2 31 -1)
1 = 1 reference unit √ √ √ √
29 Negative Software
Limit
(SLIMN)
-2 31 to 2 31 -1
(Default = -2 31 )
1 = 1 reference unit √ √ √ √
31 Zero Point Return
Method
(ZRETSEL) 0 to 7
(Default = 0) 0: DEC1 + Phase-C pulse √ √ √ −
1: ZERO √ − √ −
2: DEC1 + ZERO √ √ √
3: Phase-C pulse √ √ √ −
4: DEC2 + ZERO √ − − √
5: DEC1 + LMT + ZERO √ − − √
6: DEC2 + Phase-C pulse √ √ − −
7: DEC1 + LMT + Phase-C pulse √ √ − −
32 Backlash
Compensation
(BKLSH) 0 to 32767
(Default = 0) 1 = 1 reference unit √ √ − −
Table 4.2 Motion Fixed Parameters (cont’d)
No. Name Setting Range/
Bit Name
Meaning Remarks SVA
-01A
SVA
-02 A
SVB
-01
PO-
01