Yaskawa MP940 Reference Manual - Manual (Page 427)

Position Control MotionSuite™ MP940 Machine Controller Reference Manual
11-30
The following table shows the different conditions under which motion
commands (OWC020) are used or not used.
The meanings and usage of the terms in the above table are shown below.
Command Unit
The command units input to this module depend on the following fixed
motion parameter settings.
Command units can be in pulses, millimeters, degrees, or inches.
Designate the command unit in bits 0 ~ 3 of fixed motion parameter 17
“Motion Control Function Selection Flag”.
The minimum command unit that can be designated in this module is set
in the above unit setting, or in fixed motion parameter 18 “Number of
Digits Below Decimal Point”. Refer to the table below.
Pulse units are used if motion commands (OWC020) are not used.
Item
When Motion Command
(OWC020) Is Not Used
When Motion Command
(OWC020) Is Used
Command Unit Pulses Any of the following can be
selected: pulse/mm/inch/deg
Electronic Gearing Function Not possible Possible
Linear Position Control Possible Possible
Rotary positioning control in one direction
only without reset after one rotation Possible Possible
Rotary position control with resetting after
one rotation Not possible Possible
Position Reference Absolute Position Format Either Absolute Position
Form at Incremental Calcula-
tion Format can be selected
Position Buffer Not possible Possible
Position Monitor Pulse Unit Command Unit
Speed Reference % Command Either % Command/Com-
mand Unit can be selected