SD20-G Series
169
Po125.A=2
Po120
Po121
Po119.D=
1
Po119.C=3
Speed
Position
(Second speed)
(First speed)
Input signal ORGP
Input signal SHOM
Fig 6.4.32Forward home searching at first speed
6.4.9Mechanical Origin Search Function
1
）
Introduction
Mechanical origin search is the function of location and stop action (clamping)through the absolute position
memorized by absolute encoder.
Instructions:
1. After installing machine, set the mechanical origin firstly before servo drive is enabled
；
2. Using this function when workpieces need to return to initial position(mechanical origin)
；
3. In the state that motor shaft is connected with machinery;
4. Make sure servo drive is enabled and the battery is installed in the drive;
Set “mechanical origin” as initial position, the “mechanical origin” can be found in any position of
forward/reverse motion range set by servo motor. AL-27 alarm will alerts if exceeding the setting motion range.
See details in chapter 6.1.4.
2
）
Setting
Mechanical origin means that the physical origin position of machinery, which is also called initial position.
(1) Setting mode
a. Set current position as mechanical origin: After setting to the initial position of machinery, set So-48=1,
So-41=1, then
Current position is mechanical origin, the data of current position inputs Po136, Po138 automatically.
b. Set arbitrary point as mechanical origin: Set single-turn, multi-turn positions of encoder by Po136, Po138,
confirm mechanical origin.
【
Note
】
If using the mode of setting arbitrary point as mechanical origin to reset alarm when AL-24 alarm alerts,
set Po136, Po138 firstly, then set So-48=1, So-41=1, the alarm can be reset.
Summary of Contents for SD20-G Series
Page 35: ...SD20 G Series 35 M3 structure Fig 3 1 5 Servo drive structure 3...
Page 36: ...SD20 G Series 36 ML3 structure 118 5 5 7 5 93 297 8 223 118 93 0 5 12 5 7 5 4 M4...
Page 38: ...SD20 G Series 38 M4 structure Approx mass 10 365 kg Fig 3 1 7 Servo drive structure 5...
Page 39: ...SD20 G Series 39 M5 structure Approx msaa 11 1Kg Fig 3 1 8 Servo drive structure 6...
Page 40: ...SD20 G Series 40 M6 structure Approx mass 17 4Kg Fig 3 1 9 Servo drive structure 7...
Page 182: ...SD20 G Series 182 Fig 6 4 44SD20E Cam internal frameworkdiagram...
