Yaskawa MP940 Reference Manual User Manual

Page 453

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Position Control by Motion Commands

MotionSuite™ MP940 Machine Controller Reference Manual

11-56

User Program Example (positioning)

Example of Running Desired Operation (Positioning Pattern)

Ladder Program Example (Positioning Program Example Dwg H03)

Although the examples in the above figures are extremely simplified, in
reality each of the register types can be freely controlled by the user
program.

The block diagram of the MP940 SVA position control mode appears on
the following page.

Position

Reference

Speed

%

(100%)

0

Time

(t)

Fast Feed

Speed

Linear Acceleration

Time Constant

Linear Deceleration

Time Constant

Rated Speed

IFON

H0104

RUNMOD
OWC000

0000010000

XREF
OLC012

RUN
OBC0010

SB000004

1

MCMDCODE
OWC020

IEND

DEND

Executing Positioning (POSING) as a
Motion Command

Position control begins when IB00304
turns ON. The axis then moves to the
absolute position 10000.
The absolute positioning completion
signal IBC000D goes ON upon
reaching absolute position 10000.

RUNPB
IB00304

Position Control Pulse (XREF)
(Absolute Position: 10000)

Position control mode ON

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