APP - 90
APPENDICES
(5) Precautions during control
(a) Absolute position system (ABS)/Incremental system (INC).
Match the ABS/INC setting in each setting of VC
series and Motion CPU.
Otherwise, a minor error (error code: 902) occurs, and it is controlled by the
setting of VC
series side.
ABS/INC setting for the VPH series is set on the VPH series side.
1) Absolute position system (ABS)
When control units are degree axis and the stroke limit is valid, operation
may not be normal when the following positioning controls are started.
Do not use the following controls.
Operating system software
version
Positioning control
"00L" or later
• Absolute specification instructions in speed-switching
control (VSTART instruction)
"00K" or later
• Instructions for pass point absolute specifications in
constant-speed control (CPSTART instruction) (linear
interpolation, circular interpolation, helical interpolation)
• Position follow-up control (PFSTART instruction)
• Absolute specification instructions in speed-switching
control (VSTART instruction)
2) Incremental system (INC)
There are no restrictions.
(b) Home position return
1) Home position return operation types
The home position return methods that can be used in VC
series/VPH
series are shown below.
Home position return method Possible/Not possible
Proximity dog method
Proximity dog method 1
Proximity dog method 2
Count method
Count method 1
Count method 2
Count method 3
Data set method
Data set method 1
Data set method 2
(Note-1)
Dog cradle method
Stopper method
Stopper method 1
(Note-1)
Stopper method 2
(Note-1)
Limit switch combined method
Scale home position signal detection method
Dogless home position signal reference method
Driver home position return method
(Note-2)
: Possible, : Not possible
(Note-1): Minor error (error code: 133) occurs, and home position return is not performed.
(Note-2): Minor error (error code: 194) occurs, and home position return is not performed.
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