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App. - 17
APPENDIX
(b) Home position return operation
The home position return operation from the position board is basically the same as operation for using
a rotary servo motor.
However, when using the incremental linear scale, it is recommended to use the scale home position
signal detection method or the scale home position signal detection method 2. In this case, the home
position return is performed based on the home position signal (Z-phase). The reference home position
which is created based on the number of encoder pulses per revolution of the servo motor is not used.
<Control parameter>
Parameter
No.
Abbreviation
(Note 1)
Name
Initial
value
Unit
Setting
range
Function
0240 *OPZ1 Home position return
option 1
0000h 0000h to
112Dh
Home position return method (Note)
Set the method for home
position return.
0: Dog method
2: Data set method
3: Stopper method
4: Dog cradle method
5: Limit switch combined
method
6: Scale home position signal
detection method
7: Limit switch front end method
8: Dog front end method
C: Z-phase detection method
D: Scale home position signal
detection method 2
Note. Can be changed while system
is running. (Software
version A5 or later
)
0 0 0
Note 1. *: Setting will be valid at system startup.
The home position return using a Z-phase detection method cannot be used.
When using a home position return method other than the scale home position signal detection method
or the scale home position signal detection method 2, "1
" (Search again) must be set for the
parameter No.0240 (*OPZ1).
<Control parameter>
Parameter
No.
Abbreviation
(Note 1)
Name
Initial
value
Unit
Setting
range
Function
0240 *OPZ1 Home position return
option 1
0000h 0000h to
112Dh
Home position signal additional
search (Note)
Set "1" when using an incremental
encoder or incremental linear scale.
0: Do not search again
1: Search again
Note. Can be changed while system is
running. (Software version A5
or later
)
000
Note 1. *: Setting will be valid at system startup.
For other precautions, refer to the Servo Amplifier Instruction Manual for your servo amplifier.