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4 position control using motion commands, 1 overview of motion commands – Yaskawa MP920 User's Manual Design User Manual

Page 159

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4.4 Position Control Using Motion Commands

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4.4

Position Control Using Motion Commands

This section describes position control using motion commands.

4.4.1

Overview of Motion Commands

The following table lists the motion commands and gives an overview of each.

Command

Name

Description

1

Positioning (POSING)

Positions the axis at the specified position using the specified acceleration/decelera-
tion time constant and speed.

2

External Positioning
(EX_POSING)

Latches a counter when a latch signal (external positioning signal) is input during
positioning (POSING), and positions the axis at a position where it has traveled the
external positioning travel distance from that position.

(100%)

0

Speed

(%)

Rated speed

Rapid traverse
speed

Position
reference

Time (t)

Linear deceleration time constant

Linear acceleration time constant

Time (t)

Linear deceleration time constant

Linear acceleration time constant

Rapid traverse
speed

Rated speed

(100%)

0

Speed

(%)

External positioning
travel distance

Latch signal (external positioning signal)