Yaskawa MP920 User's Manual Design - Manual (Page 403)

7 Parameters
7.2.1 Motion Fixed Parameters
7-8
21 Servomotor Gear
Ratio
(GEAR_MOTOR) 1 to 65535
(Default = 1) 1 = 1 rev (rotation) √ √ √ √
22 Machine Gear Ra-
tio
(GEAR_
MACHINE) 1 to 65535
(Default = 1) 1 = 1 rev (rotation) √ √ √ √
23 Infinite Length
Axis Reset Posi-
tion (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 rev (rotation) √ √ √
27 Positive Software
Limit (SLIMP)
-2 31 to 2 31 -1
(Default = 2 31 -1)
1 = 1 reference unit √ √ √ √
29 Negative Soft-
ware Limit
(SLIMN)
-2 31 to 2 31 -1
(Default = 2
31
-1)
1 = 1 reference unit √ √ √ √
31 Zero Point Return
Method
(ZRETSEL) 0 to 7
(Default = 0) 0: DEC1 + C-phase pulse √ √ √
1: ZERO √ √
2: DEC1 + ZERO √ √ √
3: C-phase pulse √ √ √
4: DEC2 + ZERO √ √
5: DEC1 + LMT + ZERO
√ √
6: DEC2 + C-phase pulse
√ √
7: DEC1 + LMT + C-phase pulse √ √
32 Backlash Com-
pensation
(BKLSH) 0 to 32767
(Default = 0) 1 = 1 reference unit √ √
33 Number of Feed-
back Pulses per
Rotation (For
Simulation)
1 to 2
31
-1
(Default = 200)
1 = 1 pulse Number of pulses per
stepping motor rotation √
35 Bias Speed
(BIASSPD) 0 to 32767
(Default = 0)
1 = 10 n reference units/min (n = Number of digits below
decimal point)
Pulse units: 1 = 1,000 pulses/min.
mm units: 1 = 1 mm/min
deg units: 1 = 1 deg/min
inch units: 1 = 1 inch/min
√
36 Bias Speed for the
Exponential Accel-
eration/Decelera-
tion Filter
(EXPBIAS) 0 to 32767
(Default = 0)
1 = 10
n
reference units/min (n: Number of digits below
decimal point)
Pulse units: 1 = 1,000 pulses/min
mm units: 1 = 1 mm/min
deg units: 1 = 1 deg/min
inch units: 1 = 1 inch/min
√ √ √
Table 7.2 Motion Fixed Parameters (cont’d)
No. Name Setting Range Meaning Remarks
SVA
-01A
SVA
-02A
SVB
-01
PO
-01