Speed reference – Yaskawa MP940 Reference Manual User Manual

Page 439

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Position Control

MotionSuite™ MP940 Machine Controller Reference Manual

11-42

Speed Reference

There are two methods for setting speed references (fast feed speed,
approach speed, and creep speed): setting in command units, and setting
as a percentage of the rated speed. The speed reference related parameters
are shown in the table below.

Parameter Type

Parameter

Number (Register

Number)

Name

Content

Motion Setting
Parameters

Bit 13 of
OWC001

Speed Reference
Selection

Designate the setting units for the fast
feed speed, approach speed, and creep
speed, as well as the register number
for the fast feed speed.
0: Designates the speed in command

units, and sets the fast feed speed
into OLC022.

1: Designates the fast feed speed as a

percentage of the rated speed, and
sets the fast feed speed into
OWC015.

OWC00A

Approach Speed
Setting

Sets the zero-point return (ZRET)
approach speed.
The units differ according to the speed
reference selection (bit 13 of OWC001)
setting.

OWC00B

Creep Speed Setting

Sets the zero-point return (ZRET) creep
speed.
The units differ according to the speed
reference selection (bit 13 of OWC001)
setting.

OWC015

Speed Reference
Setting

Enabled when the speed reference
selection (bit 13 of OWC001) is “1”. Sets
a percentage of the rated speed (1 =
0.01%) as the fast feed speed.

OLC022

Fast Feed Speed

Enabled when the speed reference
selection (bit 13 of OWC001) is “0”. Sets
the fast feed speed in command units.

OWC02C

Override

Allows the fast feed speed setting in the
servo amplifier to be overridden by the
system software.

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