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App. - 7
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, note the following.
1) When using the absolute position type linear scale, the scale home position signal detection method
or the scale home position signal detection method 2 cannot be used.
The other home position return methods are available and a home position return is performed to the
reference home position created based on stop interval settings for the home position return.
2) 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 stop interval settings for the home position return is not used.
<Control parameter>
Parameter
No.
(Note 1)
Abbreviation
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.
3) When using the incremental scale, the home position return using a Z-phase detection method
cannot be used.
4) With the incremental scale, 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).
In this case, the home position return is performed based on the home position return reference
position which is created based on stop interval settings for the home position return and the home
position signal (Z-phase).
<Control parameter>
Parameter
No.
(Note 1)
Abbreviation
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.